CN207113319U - Separator for incoagulable gas in the ammonia absorption type refrigeration circulatory system - Google Patents
Separator for incoagulable gas in the ammonia absorption type refrigeration circulatory system Download PDFInfo
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- CN207113319U CN207113319U CN201720406822.9U CN201720406822U CN207113319U CN 207113319 U CN207113319 U CN 207113319U CN 201720406822 U CN201720406822 U CN 201720406822U CN 207113319 U CN207113319 U CN 207113319U
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Abstract
A kind of gas fractionation unit is the utility model is related to, in particular for the separator of incoagulable gas in the ammonia absorption type refrigeration circulatory system.Including second generator, rectifier II, spray-absorption room, magnetic force gas separator and compressor, the spray-absorption room is provided with the gas feed of spray-absorption room, the ammoniacal liquor outlet of spray-absorption room, the weak aqua ammonia import of spray-absorption room and spray-absorption room gas vent, the gas feed of spray-absorption room connects with the gas vent of absorber, the import of absorption chamber weak aqua ammonia connects with the liquid outlet of rectifier II, two nozzles are provided with spray-absorption room, one of nozzle connects with the gas feed of spray-absorption room, another nozzle and spray-absorption room weak aqua ammonia inlet communication, and the nozzle connected with the gas feed of spray-absorption room is positioned at the lower section with the nozzle of spray-absorption room weak aqua ammonia inlet communication.The ammonia that can be mixed in gas recovery, and the incoagulable gas in absorber is efficiently separated, so as to ensure circulatory system safe operation.
Description
Technical field
A kind of gas fractionation unit is the utility model is related to, incoagulability gas in being circulated in particular for ammonia absorption type refrigeration
The separator of body.
Background technology
Refrigerating plant is mixed with system condensing pressure and condensation temperature in the process of running, in system can not liquefied gas
Body, referred to as incoagulable gas, the composition of incoagulable gas is mainly air, and its source is：
(1) after installing or overhauling refrigeration plant, before charging refrigerant, system pump down is not thorough, and air is left in inside.
(2) when supplementing refrigerator oil, refrigerant or changing drier, cleaning filter, air is mixed into system.
(3) when evaporating pressure subatmospheric power, air is at imprecision in infiltration system.
(4) refrigerant and refrigerator oil decompose caused incoagulable gas at high temperature.
(5) metal material, which is corroded, produces incoagulable gas.
Incoagulable gas can produce following influence to the normal operation of refrigeration system：
(1) ammonia refrigeration is the circularly cooling process of a closing, and the presence of fixed gas can make the cooling liquid effect of gas ammonia
Reduce；Fixed gas can tie up the heat transfer space of heat exchanger in heat exchange, so as to reduce the heat exchange efficiency of heat exchanger, increase cooling
Water, decline the refrigerating capacity of whole refrigeration system；
(2) presence of fixed gas not only occupies effective partial pressure of ammonia, and does not discharge latent heat in heat exchange condenses, no
Condensation liquefaction, so the work done during compression that compressor is done to fixed gas is idle work, it is a kind of inefficient operation；
(3) thermal resistance of fixed gas is very high, hinders the progress of heat transfer, makes the heat exchange efficiency of heat exchanger reduce, and causes to exchange heat
Area deficiency, mechanically make the abrasion aggravation of motor bearing, the lost of life.
In summary, into system and the air concentrated in absorber and other incoagulable gas, absorption will be caused to press
Power raises, and refrigerating capacity reduces, and economy reduces.After especially ammonia system, ammonia and air mixing, there is the danger of blast under high temperature,
Therefore the incoagulable gas in refrigeration system must often be excluded.And in absorber, air and other incoagulable gas are same
What refrigerant vapour mixed, some refrigerants will be inevitably bled off when excluding these gases, so as to cause to damage
Lose.In order to reduce loss, in, large-scale refrigerating plant, generally using gas separator incoagulable gas is discharged, it can be with
The refrigerant vapour discharged in gas is condensed out and reclaimed.
Utility model content
The purpose of this utility model is in the incoagulability gas in absorber in separating and discharge ammonia absorption type refrigeration and circulating
Body, proposes a kind of absorber incoagulable gas separator for ammonia absorption type refrigeration circulation, and the separator can return
The ammonia mixed in getter body, and the incoagulable gas in absorber is efficiently separated, so as to ensure circulatory system safe operation.
The technical solution of the utility model is：A kind of point for being used for incoagulable gas in the ammonia absorption type refrigeration circulatory system
From device, wherein, including second generator, rectifier II, spray-absorption room, magnetic force gas separator and compressor, separation dress
Put and connected with the ammonia absorption type refrigeration circulatory system, the ammonia absorption type refrigeration circulatory system includes generator, rectifier I, cooling
Device, choke valve I, evaporator, absorber and solution heat exchanger；
The spray-absorption room is provided with the gas feed of spray-absorption room, the outlet of spray-absorption room ammoniacal liquor, spray-absorption room
Weak aqua ammonia import and spray-absorption room gas vent, the gas feed of spray-absorption room connect with the gas vent of absorber, absorb
Room weak aqua ammonia import is connected with the liquid outlet of rectifier II, and two nozzles, one of nozzle and spray are provided with spray-absorption room
Drench absorption chamber gas feed connection, another nozzle and spray-absorption room weak aqua ammonia inlet communication, and with spray-absorption room gas
The nozzle of inlet communication positioned at lower section with the nozzle of spray-absorption room weak aqua ammonia inlet communication, the outlet of spray-absorption room ammoniacal liquor with
The ammonia spirit inlet communication of absorber, spray-absorption room gas vent connect with magnetic force gas separator；
The inlet of the second generator connects with the liquid outlet of rectifier I, the gas outlet of second generator and rectifying
The air inlet connection of device II, the gas outlet of rectifier II connect with the air inlet of cooler, the liquid outlet and spray of rectifier II
The absorption chamber weak aqua ammonia inlet communication of absorption chamber.
The magnetic force gas separator include separator gas import, diamagnetism gas valve, diamagnetism gas outlet,
Magnetic system, demagnetizer and paramagnetic gas gas outlet, spray-absorption room gas vent and separator gas inlet communication, diamagnetism
Gas outlet connects with the air inlet of cooler, and dissolved gas does not enter gas threeway through separator gas import, inverse
Magnetic gas passes through diamagnetism gas valve, and into diamagnetism gas holder, cooler is flowed to by diamagnetism gas outlet, inverse magnetic
Compressor is provided between property gas outlet and the air inlet of cooler；Paramagnetic gas goes out by demagnetizer and paramagnetic gas
Gas port enters paramagnetic gas holder.
The generator and rectifier I, cooler, choke valve I, evaporator, absorber, solution heat exchanger are sequentially connected.
The gas outlet of generator connects with the air inlet of rectifier I, and the gas outlet of rectifier I connects with the air inlet of cooler, rectifying
The liquid outlet of device I passes sequentially through the ammonia spirit inlet communication of solution heat exchanger and choke valve II and absorber, and cooler goes out
Liquid mouth connects with the inlet of choke valve I, and the liquid outlet of choke valve I connects with the inlet of evaporator, the gas outlet of evaporator
Connected with the gas feed of absorber, the liquid outlet of evaporator connects with the inlet of low-temperature cold store, the air inlet of evaporator with
The gas outlet connection of low-temperature cold store, the ammonia spirit outlet of absorber connect with the inlet of solution pump, the liquid outlet of solution pump
Connected by solution heat exchanger with the inlet of generator, while coolant outlet and cooling water inlet are additionally provided with absorber.
The beneficial effects of the utility model：
(1) ammonia is absorbed using spray-absorption chamber device, not only reclaims part ammonia in incoagulable gas, and improve
Circulatory system refrigerating capacity：Dilute ammonia solution occurs using second generator and obtains the lower dilute ammonia solution of solubility, then spirt
Spray-absorption room, dilute ammonia solution and incoagulable gas use relative injection, go to absorb the portion drawn out of absorber in gas
Divide ammonia, improve ammonia absorptivity.The ammonia isolated by second generator and rectifier II, into cooler and evaporation
Device, the refrigerating capacity of the circulatory system can be improved.
(2) equipment for magnetic separation of unique structure is employed：Using the paramagnetic and diamagnetic of gas molecule, magnetic force is taken
The flow direction for changing gas is gone to isolate the ammonia in incoagulable gas.
(3) ammonia in incoagulable gas is separated by two kinds of means of spray-absorption and magnetic separation, and is reclaimed, energy
Kind of refrigeration cycle safe operation is enough ensured, and reduces the loss of refrigerant.
Brief description of the drawings
Fig. 1 be incoagulable gas separator in ammonia absorption type refrigeration loop structure position view；
Fig. 2 is the structural representation of separator；
Fig. 3 is the schematic diagram of spray-absorption room；
Fig. 4 is the structural representation of magnetic force gas separator.
Fig. 5 is the structural representation of absorber.
In figure：1 generator；2 rectifier I；3 coolers, 4 choke valve I；5 evaporators；6 absorbers；7 solution pumps；8 solution
Heat exchanger；9 choke valve II；10 second generators；11 rectifier II；12 spray-absorption rooms；13 magnetic force gas separators；14 compressions
Machine；15 low-temperature cold stores；16 spray-absorption room gas feeds；17 nozzles；18 spray-absorption rooms ammoniacal liquor outlet；19 spray-absorption rooms
Weak aqua ammonia import；20 spray-absorption room gas vents；21 magnetic force gas separator gas feeds；22 flowmeters；23 valve Is；24
Gas threeway；25 diamagnetism gas valves；26 flowmeters；27 valves III；28 diamagnetism gas gas holders；29 diamagnetism gas outlets
Mouthful；30 additional magnetic systems；31 demagnetizers；32 valves IV；33 flowmeters；34 valves V；35 paramagnetic gas gas holders；36 paramagnetics
Property gas outlet；37 coolant outlets；38 cooling water inlets；39 ammonia spirits export；40 ammonia spirit imports；41 gases enter
Mouthful；42 gas vents.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, the separator system of incoagulable gas includes two in being circulated for ammonia absorption type refrigeration
Secondary generator 10, rectifier 11, spray-absorption room 12, magnetic force gas separator 13 and compressor 14, separator system and ammonia
Water absorption type cooling cycle system connects, and wherein the ammonia absorption type refrigeration circulatory system includes generator 1, rectifier I 2, cooling
Device 3, choke valve I 4, evaporator 5, absorber 6 and solution heat exchanger 8.In the ammonia absorption type refrigeration circulatory system, generator 1
It is sequentially connected with rectifier I 2, cooler 3, choke valve I 4, evaporator 5, absorber 6, solution heat exchanger 8.Generator 1 goes out
Gas port connects with the air inlet of rectifier I 2, and the gas outlet of rectifier I 2 connects with the air inlet of cooler 3, and rectifier I 2 goes out
Liquid mouth passes sequentially through solution heat exchanger 8 and choke valve II 9 and connected with the ammonia spirit import 40 of absorber 6.Cooler 3 goes out liquid
Mouth connects with the inlet of choke valve I 4, and the liquid outlet of choke valve I 4 connects with the inlet of evaporator 5, the outlet of evaporator 5
Mouth connects with the gas feed 41 of absorber 6.Meanwhile the liquid outlet of evaporator 5 connects with the inlet of low-temperature cold store 15, steam
The air inlet of hair device 5 connects with the gas outlet of low-temperature cold store 15.The ammonia spirit outlet 39 of absorber 6 and the feed liquor of solution pump 7
Mouth connection, the liquid outlet of solution pump 7 are connected by solution heat exchanger 8 with the inlet of generator 1.Also set on absorber 6 simultaneously
There are coolant outlet 37 and cooling water inlet 38, it is molten to the ammoniacal liquor in absorber 6 by circulation of the cooling water in absorber 6
Liquid is cooled down.
By the heating of generator 1, the ammonia of HTHP is generated, ammonia is after the rectifying of rectifier I 2, pure height
Warm high pressure ammonia enters in cooler 3, and unevaporated dilute ammonia solution and the incoagulable gas that is not dissolved are from rectifier I 2
Liquid outlet outflow, the ammonia of HTHP is cooled to the ammonia spirit of cryogenic high pressure through cooler 3, and is depressured through choke valve I 4
Afterwards, the ammonia spirit of low-temp low-pressure is turned into, the ammonia spirit of low-temp low-pressure turns into the gas of low-voltage high-temperature after evaporator 5, entered
Enter in absorber 6.In addition, through the remaining solution of generating process, such as a small amount of unevaporated ammonia solution, through solution in generator 1
Enter after heat exchanger 8 and choke valve II9 decrease temperature and pressures in absorber 6, the low-pressure refrigerant vapor with being come out from evaporator 6 is mutually mixed
Close, and absorb low-pressure refrigerant vapor and return to original concentration.The ammonia spirit of low-temp low-pressure is evacuated to solution through solution pump 7
Heated, and flow in generator 1 in heat exchanger 8, be consequently formed regular absorbent formula kind of refrigeration cycle.
As shown in figure 3, spray-absorption room 12 is provided with spray-absorption room gas feed 16, spray-absorption room ammoniacal liquor exports
18th, spray-absorption room weak aqua ammonia import 19 and spray-absorption room gas vent 20, wherein, spray-absorption room gas feed 16 is with inhaling
The gas vent 42 for receiving device 6 is connected, and incoagulable gas is entered in spray-absorption room 12 by gas vent 42, absorption chamber weak aqua ammonia
Import 19 connects with rectifier II11 liquid outlet, and dilute ammonia solution enters spray-absorption room by absorption chamber weak aqua ammonia import 19
In 12.Two nozzles 17 are provided with spray-absorption room 12, one of nozzle connects with spray-absorption room gas feed 16, another
Individual nozzle connects with spray-absorption room weak aqua ammonia import 19, and the nozzle connected with spray-absorption room gas feed 16 is located at and spray
Drench the lower section of the nozzle of the connection of absorption chamber weak aqua ammonia import 19.
The inlet of second generator 10 connects with the liquid outlet of rectifier I 2, the gas outlet of second generator 10 and cooling
The inlet connection of device 3, rectifier II11 liquid outlet connect with the absorption chamber weak aqua ammonia import 19 of spray-absorption room 12.Spray
Drench spray-absorption room ammoniacal liquor outlet 18 and the ammonia spirit inlet communication of absorber 6 of absorption chamber 12, the spray of spray-absorption room 12
Leaching absorption chamber gas vent 20 connects with magnetic force gas separator 13.Into the dilute ammonia solution and incoagulability of spray-absorption room 12
Gas feed is mixed by the form of spray so that the ammonia adulterated in incoagulable gas is partly absorbed, the liquid after absorption
Part enters absorber 6, and gas part enters magnetic force gas separator 13.
As shown in figure 4, magnetic force gas separator 13 includes separator gas import 21, diamagnetism gas valve 25, inverse magnetic
Property gas outlet 29 and paramagnetic gas gas outlet 36, spray-absorption room gas vent 20 connect with separator gas import 21
Logical, diamagnetism gas outlet 29 is connected by compressor 14 with the air inlet of cooler.Dissolved gas is not through separator
Enter gas threeway after gas feed 21, gas flowmeter 22 and valve 23 I；Diamagnetism gas be the flow direction of ammonia not
Become, by diamagnetism gas valve 25, flowmeter 26 and valve III 27, into diamagnetism gas holder, then pass through diamagnetism gas
Gas outlet 29 flows to cooler 3, and compressor 14 is provided between diamagnetism gas outlet 29 and the air inlet of cooler 3.Paramagnetic
Property gas by the magnetic force of magnetic system 30 attract, deviate former traffic direction, by demagnetizer 31, by valve IV 32, flowmeter 33
With valve V 34, the circulatory system is discharged subsequently into paramagnetic gas holder 35, and by paramagnetic gas gas outlet 36, is not coagulated from completion
The separation of property gas.Magnetic force gas separator 13 by using gas molecule diamagnetism and paramagnetism, by incoagulable gas with
Ammonia is separated, and the diamagnetism ammonia separated enters cooler 3；Paramagnetic gas then discharges the circulatory system, from completion
The separation of incoagulable gas.
The course of work of the separator is as described below：On the basis of regular absorbent formula kind of refrigeration cycle, go out from rectifier I 2
The weak aqua ammonia of mouth by-passing part is connected after second generator 10 with rectifier II 11, the gas after the separation of rectifier II 11
Body is flowed into cooler 3, and the dilute ammonia solution after separation enters in spray-absorption room 12, while the incoagulability gas in absorber 6
Body is also flowed into spray-absorption room 12, and the dilute ammonia solution in spray-absorption room 12 is mixed with incoagulable gas by the form of spray
Close so that the ammonia adulterated in incoagulable gas is partly absorbed, and the liquid portion after absorption is again flowed into absorber 6, gas
Body portion enters magnetic force gas separator 13.Magnetic force gas separator 13 by using gas molecule diamagnetism and paramagnetism,
Gas in incoagulable gas is separated, the diamagnetism ammonia separated enters cooler 3, and paramagnetic gas is then discharged and followed
Loop system, from the separation for completing incoagulable gas.
Claims (3)
- A kind of 1. separator for being used for incoagulable gas in the ammonia absorption type refrigeration circulatory system, it is characterised in that：Including two Secondary generator (10), rectifier II (11), spray-absorption room (12), magnetic force gas separator (13) and compressor (14), separation Device connects with the ammonia absorption type refrigeration circulatory system, and the ammonia absorption type refrigeration circulatory system includes generator (1), rectifier I (2), cooler (3), choke valve I (4), evaporator (5), absorber (6) and solution heat exchanger (8)；The spray-absorption room (12) is provided with spray-absorption room gas feed (16), spray-absorption room ammoniacal liquor outlet (18), spray Drench absorption chamber weak aqua ammonia import (19) and spray-absorption room gas vent (20), spray-absorption room gas feed (16) and absorber (6) gas vent (42) connection, absorption chamber weak aqua ammonia import (19) connect with the liquid outlet of rectifier II (11), spray-absorption Two nozzles (17) are provided with room (12), one of nozzle connects with spray-absorption room gas feed (16), another nozzle Connected with spray-absorption room weak aqua ammonia import (19), and the nozzle connected with spray-absorption room gas feed (16) is located at and spray The lower section of the nozzle of absorption chamber weak aqua ammonia import (19) connection, spray-absorption room ammoniacal liquor outlet (18) and the ammoniacal liquor of absorber (6) Solution inlet port connects, and spray-absorption room gas vent (20) connects with magnetic force gas separator (13)；The inlet of the second generator (10) connects with the liquid outlet of rectifier I (2), the gas outlet of second generator (10) Connected with the air inlet of rectifier II (11), the gas outlet of rectifier II (11) connects with the air inlet of cooler (3), rectifier The liquid outlet of II (11) connects with the absorption chamber weak aqua ammonia import (19) of spray-absorption room (12).
- 2. the separator according to claim 1 for being used for incoagulable gas in the ammonia absorption type refrigeration circulatory system, its It is characterised by：The magnetic force gas separator (13) includes separator gas import (21), diamagnetism gas valve (25), inverse magnetic Property gas outlet (29), magnetic system (30), demagnetizer (31) and paramagnetic gas gas outlet (36), spray-absorption room gas go out Mouth (20) connects with separator gas import (21), and diamagnetism gas outlet (29) connects with the air inlet of cooler (3), not Dissolved gas enters gas threeway through separator gas import (21), and diamagnetism gas passes through diamagnetism gas valve (25), into diamagnetism gas holder, cooler (3), diamagnetism gas outlet are flowed to by diamagnetism gas outlet (29) (29) compressor (14) is provided between the air inlet of cooler (3)；Paramagnetic gas passes through demagnetizer (31) and paramagnetism gas Body gas outlet (36) enters paramagnetic gas holder (35).
- 3. the separator according to claim 1 for being used for incoagulable gas in the ammonia absorption type refrigeration circulatory system, its It is characterised by：The generator (1) and rectifier I (2), cooler (3), choke valve I (4), evaporator (5), absorber (6), Solution heat exchanger (8) is sequentially connected, and the gas outlet of generator (1) connects with the air inlet of rectifier I (2), rectifier I (2) Gas outlet connects with the air inlet of cooler (3), and the liquid outlet of rectifier I (2) passes sequentially through solution heat exchanger (8) and choke valve II (9) connect with the ammonia spirit import (40) of absorber (6), the liquid outlet of cooler (3) and the inlet of choke valve I (4) Connection, the liquid outlet of choke valve I (4) connect with the inlet of evaporator (5), gas outlet and the absorber (6) of evaporator (5) Gas feed (41) connects, and the liquid outlet of evaporator (5) connects with the inlet of low-temperature cold store (15), the air inlet of evaporator (5) Mouth connects with the gas outlet of low-temperature cold store (15), and the ammonia spirit outlet (39) of absorber (6) connects with the inlet of solution pump (7) Logical, the liquid outlet of solution pump (7) is connected by solution heat exchanger (8) with the inlet of generator (1), and absorber is also set on (6) There are coolant outlet (37) and cooling water inlet (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720406822.9U CN207113319U (en) | 2017-04-18 | 2017-04-18 | Separator for incoagulable gas in the ammonia absorption type refrigeration circulatory system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720406822.9U CN207113319U (en) | 2017-04-18 | 2017-04-18 | Separator for incoagulable gas in the ammonia absorption type refrigeration circulatory system |
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| Publication Number | Publication Date |
|---|---|
| CN207113319U true CN207113319U (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720406822.9U Active CN207113319U (en) | 2017-04-18 | 2017-04-18 | Separator for incoagulable gas in the ammonia absorption type refrigeration circulatory system |
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| CN (1) | CN207113319U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895617A (en) * | 2017-04-18 | 2017-06-27 | 中国海洋大学 | For the separator of incoagulable gas in the ammonia absorption type refrigeration circulatory system |
| CN108413665A (en) * | 2018-04-26 | 2018-08-17 | 东南大学 | The separator of incoagulable gas and ammonia in ammonia absorption type refrigeration system |
-
2017
- 2017-04-18 CN CN201720406822.9U patent/CN207113319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895617A (en) * | 2017-04-18 | 2017-06-27 | 中国海洋大学 | For the separator of incoagulable gas in the ammonia absorption type refrigeration circulatory system |
| CN108413665A (en) * | 2018-04-26 | 2018-08-17 | 东南大学 | The separator of incoagulable gas and ammonia in ammonia absorption type refrigeration system |
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