CN105333640A - Shell tube type adsorption bed with puncture membrane type adsorption mass tubes - Google Patents
Shell tube type adsorption bed with puncture membrane type adsorption mass tubes Download PDFInfo
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- CN105333640A CN105333640A CN201510750410.2A CN201510750410A CN105333640A CN 105333640 A CN105333640 A CN 105333640A CN 201510750410 A CN201510750410 A CN 201510750410A CN 105333640 A CN105333640 A CN 105333640A
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- pipe
- shell
- mass transfer
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- punching membrane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
A shell tube type adsorption bed with puncture membrane type adsorption mass tubes comprises a shell, and further comprises a metal mesh, activated carbon, heat conduction tubes and the puncture membrane type tubes, all of which are arranged in the shell. The shell is provided with a heat conduction liquid inlet and a heat conduction liquid outlet which are communicated with the two ends of each heat conduction tube respectively. The shell is provided with an air outlet hole, and the metal mesh is arranged on the inner side face of the shell. The diameter of holes in the metal mesh is smaller than the grain diameter of the activated carbon. The heat conduction tubes and the puncture membrane type tubes are arranged in parallel and alternately arranged. The activated carbon is arranged in gaps between the heat conduction tubes and the puncture membrane type tubes. The puncture membrane type tubes are made of membranes and comprise main mass transfer tubes and bypass branch tubes vertically arranged on the main mass transfer tubes. The main mass transfer tubes are provided with mass transfer holes, and the diameter of the mass transfer holes is smaller than the grain diameter of the activated carbon.
Description
Technical field
The present invention relates to solid adsorptive refrigerator, particularly relate to a kind of shell-tube type adsorbent bed with punching membrane chip adsorbate pipe.
Background technology
Solid adsorption refrigeration machine is often as the vacuum pre-cooling of fruits and vegetables or the low-temperature receiver of storage freezer, and adsorption refrigeration system does not adopt chloro-fluoro-carbon kind cold-producing medium CFC, HCFC, is a kind of environmentally friendly refrigeration modes.Adsorption refrigeration system effectively can utilize the drive energy of low grade heat energy as system of solar energy, industrial waste heat etc. more than 50 DEG C, has structure simple, easy and simple to handle; Movement-less part, resistance to shock are good; Run the advantages such as noiselessness, long service life and operating cost are low.
Solid adsorption refrigeration machine is primarily of parts compositions such as adsorbent bed, condenser, evaporimeter, reservoir, valve and control elements (one way stop peturn valve, choke valve etc.).
Namely solid adsorption refrigeration operation principle is separated sucking-off cold-producing medium by solid absorbent to refrigerant gas alternating sorbent, desorb and is realized kind of refrigeration cycle under system lower temperature under adsorption refrigerating agent, higher temperature.Its working cycles can be divided into desorption by heating and cooling two stages of absorption,
1. desorption by heating: after adsorption process terminates, solar thermal collector (or biomass boiler) heats adsorbent bed, cold-producing medium acquisition can overcome the attraction of adsorbent from its surface desorption out, pressure in system pipeline will raise, until when reaching condensing pressure, separate the refrigerant vapour of sucking-off to liquefy within the condenser condensation, final condensation water is flowed in evaporimeter by reservoir.
2. cooling absorption: after desorption process terminates, cooling system is to adsorbent bed cooling with the sensible heat taking away adsorbent, and adsorbent is adsorption system inner refrigerant steam again, and in system, pressure reduces, and causes the liquid refrigerant evaporation endothermic in evaporimeter, produces cold.
The heat and mass transfer performance quality of adsorbent bed is the key of Joint adsorption cooling cycle system, when designing and producing, need consider the optimization that adsorbent bed structure designs and runnability.As traditional absorption type refrigerating core component adsorbent bed, be usually made up of two concentric pipes (between pipe splendid attire granular active carbon, methyl alcohol), the desorption temperature of adsorbent bed can be improved in shorter irradiation time, but be unfavorable for the heat radiation cooling adsorption process.
Summary of the invention
For deficiency of the prior art, the invention provides a kind of shell-tube type adsorbent bed with punching membrane chip adsorbate pipe, compared with common adsorbent bed, when reaching identical adsorbance, this device shortens adsorption time, realizes the effect of heat and mass transfer enhancement.
Concrete technical scheme is: a kind of shell-tube type adsorbent bed with punching membrane chip adsorbate pipe, comprise housing and be arranged at the metal net mask in housing, active carbon, heat pipe and punching membrane chip pipe, housing is provided with the conductive fluid import that is communicated with heat pipe two ends respectively and conductive fluid exports, housing is provided with venthole, metal net mask is arranged at the medial surface of housing, on metal net mask, the aperture of eyelet is less than the particle diameter of active carbon, heat pipe is parallel with punching membrane chip pipe and be arranged alternately, active carbon is arranged in the gap between heat pipe and punching membrane chip pipe, punching membrane chip pipe is made up of diaphragm, punching membrane chip pipe comprises mass transfer main and is vertically installed in the collateral branch's pipe on mass transfer main, mass transfer main is provided with mass transfer hole, the aperture in mass transfer hole is less than the particle diameter of active carbon.
Described collateral branch pipe section is rectangle.
Described housing is made up of cylindrical tube and the hemispherical end cap being arranged at cylindrical tube two ends.
Described cylindrical tube and hemispherical end cap pass through Flange joint.
Described housing is made up of stainless steel, and its diameter is 214mm, and length is 1160mm.
Described heat pipe quantity is 37, and diameter is 10mm, and length is 960mm.
Described heat pipe is finned tube.
Described mass transfer main quantity is 12, and diameter is 6mm, and length is 960mm.
The quality of described active carbon is 20Kg.
Structure of the present invention is simple, cost is low, and in use, the adsorbate arranged in punching membrane chip pipe is methyl alcohol, collateral branch's pipe is deep in the active carbon of mass transfer main periphery, be conducive to the turnover of methanol steam in active carbon, when in heat pipe during variations in temperature, the pressure in punching membrane chip pipe changes thereupon, make mass transfer main and collateral branch's pipe generation deformation, extruding active carbon, strengthens adsorbate (methyl alcohol) flow disturbance and methanol steam flows to out, accelerates the effect of this device mass transfer diffusion.
Compared with common adsorbent bed, when reaching identical adsorbance, this device shortens adsorption time, enhances the effect of heat and mass.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 be in Fig. 1 A-A to sectional view;
Fig. 3 is punching membrane chip tubular construction schematic diagram of the present invention;
Fig. 4 is common adsorbent bed adsorption rate curve map in embodiment 1;
Fig. 5 is adsorption rate curve map of the present invention in embodiment 1.
Detailed description of the invention
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of shell-tube type adsorbent bed with punching membrane chip adsorbate pipe, the metal net mask 2 comprising housing 1 and be arranged in housing 1, active carbon 3, heat pipe 4 and punching membrane chip pipe 5, housing 1 is provided with the conductive fluid import 6 that is communicated with heat pipe 4 two ends respectively and conductive fluid exports 7, housing 1 is provided with venthole 8, metal net mask 2 is arranged at the medial surface of housing 1, on metal net mask 2, the aperture of eyelet is less than the particle diameter of active carbon 3, active carbon 3 is carried when preventing the adsorbate in punching membrane chip pipe 5 from evaporating, heat pipe 4 is parallel with punching membrane chip pipe 5 and be arranged alternately, active carbon 3 is arranged in the gap between heat pipe 4 and punching membrane chip pipe 5, punching membrane chip pipe 5 is made up of diaphragm, diaphragm is current material, collateral branch's pipe 10 that punching membrane chip pipe 5 comprises mass transfer main 9 and is vertically installed on mass transfer main 9, mass transfer main 9 is provided with mass transfer hole 11, the aperture in mass transfer hole 11 is less than the particle diameter of active carbon 3, prevent active carbon 3 from entering in mass transfer main 9.
Collateral branch's pipe 10 section is rectangle, and housing 1 is made up of cylindrical tube 12 and the hemispherical end cap 13 being arranged at cylindrical tube 12 two ends, and cylindrical tube 12 and hemispherical end cap 13 pass through Flange joint; Housing 1 is made up of stainless steel, and its diameter is 214mm, and length is 1160mm; Heat pipe 4 quantity is 37, and diameter is 10mm, and length is 960mm; Heat pipe 4 is finned tube, is conducive to temperature transmission; Mass transfer main 9 quantity is 12, and diameter is 6mm, and length is 960mm; The quality of active carbon 3 is 20Kg.
Structure of the present invention is simple, cost is low, in use, the adsorbate arranged in punching membrane chip pipe 5 is methyl alcohol, conductive fluid import 6 is connected with the heat collector of solid adsorption refrigeration machine respectively with conductive fluid outlet 7, and the conductive fluid of heat collector flows in heat pipe 4, venthole 8 is connected with the condenser of solid adsorption refrigeration machine, collateral branch's pipe 10 is deep in the active carbon 3 of mass transfer main 9 periphery, be conducive to the turnover of methanol steam in active carbon 3, when in heat pipe 4 during variations in temperature, pressure in punching membrane chip pipe 5 changes thereupon, make mass transfer main 9 and collateral branch's pipe 10 that deformation occur, extruding active carbon 3, strengthen the turnover of adsorbate (methyl alcohol) flow disturbance and methanol steam stream, accelerate the effect of this device mass transfer diffusion.
Compared with common adsorbent bed, when reaching identical adsorbance, this device shortens adsorption time, enhances the effect of heat and mass.
Embodiment 1
Build absorbing refrigeration system performance simulation experimental rig, the adsorption capacity of the granular active carbon 3 pairs of methyl alcohol adopting gravimetric method test to prepare with sample charcoal material.
Absorption is actually a mass transport process, and first adsorbate contacts with adsorbent surface, then reaches adsorption equilibrium state gradually to absorbent interior diffusion.The factors such as the character of system balancing adsorbance and adsorption temp, pressure and adsorbent, adsorbate are relevant.The size of adsorbent ability, adsorbance when normally reaching poised state with reactive adsorption
represent.The granular active carbon 3 that this test is prepared using sample charcoal material is as adsorbent, contact with adsorbate (methyl alcohol) steam at a certain temperature and adsorption reaction occurs, adsorption rate reduces gradually, until when reaching the poised state of absorption, the adsorbance of carrying out system is measured.Fig. 4,5 represents sample charcoal material of the same race, in two kinds of adsorbent beds, is in the adsorption rate curve under various heat exchange condition respectively.This curve is with adsorption time
for abscissa, adsorbance
for ordinate.Result of the test can be found out, under same adsorption temp, the absorption property of this device is obviously better than common adsorbent bed, and when reaching adsorbance 0.203g/g, this device is advanced by 4 minutes, completes 80.56% of equilibrium adsorption capacity.From figure line, in common adsorbent bed, the adsorption rate of granular active carbon 3 is comparatively slow, and whole adsorption process is in rising trend.The adsorption rate of granular active carbon 3 in this device, early stage, change was very fast, and mid-term is slack-off gradually, and the later stage tends to be steady.Reason is Process of Adsorption, system pressure reduces (saturation pressure corresponding at being stabilized in evaporating temperature 4 DEG C gradually), impels punching membrane chip pipe 5 stress deformation in this device, extruding active carbon 3, strengthen the disturbance of methanol steam body, improve the heat transfer property of this device.In addition, the adsorption temp of setting is lower, and the absorption methanol steam ability of active carbon 3 is stronger, and adsorbance is also larger.Along with the continuation of adsorption temp raises, the suction-operated of granular active carbon 3 weakens gradually.(refer to be produced by the molecular attraction between adsorbent and adsorbate adsorb, temperature influence is little for this and physical absorption feature.) match.
Claims (9)
1. the shell-tube type adsorbent bed with punching membrane chip adsorbate pipe, it is characterized in that: comprise housing and be arranged at the metal net mask in housing, active carbon, heat pipe and punching membrane chip pipe, housing is provided with the conductive fluid import that is communicated with heat pipe two ends respectively and conductive fluid exports, housing is provided with venthole, metal net mask is arranged at the medial surface of housing, on metal net mask, the aperture of eyelet is less than the particle diameter of active carbon, heat pipe is parallel with punching membrane chip pipe and be arranged alternately, active carbon is arranged in the gap between heat pipe and punching membrane chip pipe, punching membrane chip pipe is made up of diaphragm, punching membrane chip pipe comprises mass transfer main and is vertically installed in the collateral branch's pipe on mass transfer main, mass transfer main one end is communicated with venthole, mass transfer main is provided with mass transfer hole, the aperture in mass transfer hole is less than the particle diameter of active carbon.
2. a kind of shell-tube type adsorbent bed with punching membrane chip adsorbate pipe as claimed in claim 1, is characterized in that: described collateral branch pipe section is rectangle.
3. a kind of shell-tube type adsorbent bed with punching membrane chip adsorbate pipe as claimed in claim 1, is characterized in that: described housing is made up of cylindrical tube and the hemispherical end cap that is arranged at cylindrical tube two ends.
4. a kind of shell-tube type adsorbent bed with punching membrane chip adsorbate pipe as claimed in claim 3, is characterized in that: described cylindrical tube and hemispherical end cap pass through Flange joint.
5. a kind of shell-tube type adsorbent bed with punching membrane chip adsorbate pipe as described in claim 1 or 3, it is characterized in that: described housing is made up of stainless steel, its diameter is 214mm, and length is 1160mm.
6. a kind of shell-tube type adsorbent bed with punching membrane chip adsorbate pipe as claimed in claim 1, it is characterized in that: described heat pipe quantity is 37, diameter is 10mm, and length is 960mm.
7. a kind of shell-tube type adsorbent bed with punching membrane chip adsorbate pipe as described in claim 1 or 6, is characterized in that: described heat pipe is finned tube.
8. a kind of shell-tube type adsorbent bed with punching membrane chip adsorbate pipe as claimed in claim 1, is characterized in that: described mass transfer main quantity is 12, and diameter is 6mm, and length is 960mm.
9. a kind of shell-tube type adsorbent bed with punching membrane chip adsorbate pipe as claimed in claim 1, is characterized in that: the quality of described active carbon is 20Kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510750410.2A CN105333640B (en) | 2015-06-29 | 2015-11-06 | A kind of shell-tube type adsorbent bed with acanthopore diaphragm type adsorbate pipe |
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| CN2015103660120 | 2015-06-29 | ||
| CN201510366012 | 2015-06-29 | ||
| CN201510750410.2A CN105333640B (en) | 2015-06-29 | 2015-11-06 | A kind of shell-tube type adsorbent bed with acanthopore diaphragm type adsorbate pipe |
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| CN105333640A true CN105333640A (en) | 2016-02-17 |
| CN105333640B CN105333640B (en) | 2017-09-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556312A (en) * | 2018-10-09 | 2019-04-02 | 宁波工程学院 | Multi-stage absorption refrigerating method |
| CN109556314A (en) * | 2018-10-09 | 2019-04-02 | 宁波工程学院 | Multi-stage absorption refrigerating method |
| CN109556313A (en) * | 2018-10-09 | 2019-04-02 | 宁波工程学院 | Multi-stage absorption refrigerating method |
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| JPH03151026A (en) * | 1990-10-16 | 1991-06-27 | Toshiba Corp | Deodorizer for refrigerator or the like |
| JPH05196317A (en) * | 1991-07-13 | 1993-08-06 | Boc Group Plc:The | Improvement in cooling device |
| CN1664478A (en) * | 2005-03-25 | 2005-09-07 | 北京工业大学 | Rotating wheel solid adsorption refrigerating plant |
| WO2009101367A2 (en) * | 2008-02-14 | 2009-08-20 | L'air Liquide, Société Anonyme pour l'Étude et l'Exploitation des Procédés Georges Claude | Method for destroying no2 by microwave plasma at atmospheric pressure |
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2015
- 2015-11-06 CN CN201510750410.2A patent/CN105333640B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03151026A (en) * | 1990-10-16 | 1991-06-27 | Toshiba Corp | Deodorizer for refrigerator or the like |
| JPH05196317A (en) * | 1991-07-13 | 1993-08-06 | Boc Group Plc:The | Improvement in cooling device |
| CN1664478A (en) * | 2005-03-25 | 2005-09-07 | 北京工业大学 | Rotating wheel solid adsorption refrigerating plant |
| WO2009101367A2 (en) * | 2008-02-14 | 2009-08-20 | L'air Liquide, Société Anonyme pour l'Étude et l'Exploitation des Procédés Georges Claude | Method for destroying no2 by microwave plasma at atmospheric pressure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556312A (en) * | 2018-10-09 | 2019-04-02 | 宁波工程学院 | Multi-stage absorption refrigerating method |
| CN109556314A (en) * | 2018-10-09 | 2019-04-02 | 宁波工程学院 | Multi-stage absorption refrigerating method |
| CN109556313A (en) * | 2018-10-09 | 2019-04-02 | 宁波工程学院 | Multi-stage absorption refrigerating method |
| CN109556314B (en) * | 2018-10-09 | 2021-03-30 | 宁波工程学院 | Multi-stage adsorption refrigeration method |
| CN109556312B (en) * | 2018-10-09 | 2021-03-30 | 宁波工程学院 | Multi-stage adsorption refrigeration method |
| CN109556313B (en) * | 2018-10-09 | 2021-03-30 | 宁波工程学院 | Multi-stage adsorption refrigeration method |
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| CN105333640B (en) | 2017-09-22 |
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Granted publication date: 20170922 Termination date: 20181106 |