CN203478675U - High-pressure refrigeration and air storage device - Google Patents

High-pressure refrigeration and air storage device Download PDF

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Publication number
CN203478675U
CN203478675U CN201320421554.XU CN201320421554U CN203478675U CN 203478675 U CN203478675 U CN 203478675U CN 201320421554 U CN201320421554 U CN 201320421554U CN 203478675 U CN203478675 U CN 203478675U
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China
Prior art keywords
pressure
refrigeration
caisson
flange
air accumulator
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Expired - Fee Related
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CN201320421554.XU
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Chinese (zh)
Inventor
周登荣
周剑
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XIANGTIAN HOLDING (GROUP) CO Ltd
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XIANGTIAN HOLDING (GROUP) CO Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems

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Abstract

The utility model relates to a refrigeration device, in particular to a high-pressure refrigeration and air storage device. The high-pressure refrigeration and air storage device comprises an air storage tank (10) and a refrigeration system (20), wherein the air storage tank (10) comprises a sealing head (2) and a housing (4); the refrigeration system (20) is an absorption type circulating refrigeration unit and adopts cheap ammonia water as a refrigerant; the air storage tank (10) is made of Q345R pressure container material, the working pressure is 25 MPa, and low temperature below zero DEG C can be obtained, so that the storage density of compressed air is increased. In addition, the air storage tank (10) is sealed in a concave-convex-face manner, and the sealing performance of each connecting pipe is high. The high-pressure refrigeration and air storage device can realize circulating refrigeration so as to reduce the production cost.

Description

High-pressure refrigeration caisson
Technical field
The utility model relates to a kind of refrigerating plant, relates in particular to a kind of high-pressure refrigeration caisson.
Background technology
Gas and water, under lower temperature and higher pressure (changing with gaseous species), can form gas hydrate, can hold the gas of the normal volume of approximately 200 times in the water of one cubic metre.When the temperature of hydrate returns to over its Phase Equilibrium Temperature, gas hydrate can decompose, and discharges gas.When hydrate is placed in to airtight container, container inner pressure can raise gradually along with the release of gas.Because the phase equilibrium line of the hydrate of most of gas has a turning point more than zero degrees celsius, the vapor pressure sharp increase of hydrate during higher than this temperature, therefore can below transition temperature, with lower pressure, facilitate hydrate synthetic, then in its decomposition of ordering higher than the temperature of this turning point, can obtain higher gas pressure.Particularly when normal temperature state, hydrate phase balance pressure is very large, and hydrate almost cannot exist, and therefore can obtain high high pressure.
In refrigeration system, conventionally use at present mechanical commprssor to provide refrigeration system needed pressure differential.When compressor pressure ratio is higher or compression end of a period pressure is higher, can cause that machine efficiency is low, complex structure, cost rising etc.Current research mainly concentrates in the development of compressor itself.
The Chinese utility model patent that for example application number is 201110351053.4, it discloses a kind of air-conditioning refrigeration system, comprise hydrate maker, low temperature cold source, thermal source, expansion valve, evaporimeter, low pressure gasholder, high pressure tank and several check valves, the low-pressure gas air inlet of described hydrate maker is connected respectively low pressure gasholder and high pressure tank with gases at high pressure exhaust outlet, between low pressure gasholder and high pressure tank, by evaporimeter, expander and check valve, is connected; Hydrate maker is a high pressure sealing container, inside is filled with water, outside is provided with the low temperature cold source of coolant water temperature or the thermal source of heating water temperature, the advantage of this system is to have avoided use high pressure compressor, thereby efficiency, the reliability of system have been improved, provide cost savings, be specially adapted to various low temperature overlappings, multistage refrigerating plant.But the low-temperature receiver in this cooling system is the cold water of cooling water compound, and cooling effect is not good, and manufacturing cost is higher.
For example the application's utility model people is 201120387128.X(application of the same clan at application number again) in a kind of piece-rate system of pressure-air is disclosed, it comprises air compression system, pressure-air gas storage and nine desk centrifuges.Air compression system is connected with pressure-air gas storage, nine desk centrifuges are cascaded by two parallel pipelines, and respectively by nine its runnings of driven by motor, wherein a desk centrifuge is connected with pressure-air gas storage by pipeline, and then the air of introducing is carried out to separation, and be stored in coupled air accumulator, described air accumulator is connected with gas purification apparatus to be dried, purification separation gas out, in this piece-rate system simple in structure, cost is low, the gas purity of separating is high.But the compressed-air actuated compression in this piece-rate system adopts compressor, and it is high that it has cost; Wherein isolated neon very easily burns as cooling agent, has certain potential safety hazard.
Utility model content
The above-mentioned technological deficiency existing in order to solve prior art, the purpose of this utility model is to provide a kind of high-pressure refrigeration caisson, and each takes over favorable sealing property.This high-pressure refrigeration caisson can circularly cooling, thereby has reduced production cost.
In order to realize above-mentioned purpose of design, the scheme that the utility model adopts is as follows:
A high-pressure refrigeration caisson, comprises air accumulator and refrigeration system, and described air accumulator comprises end socket and housing, and described refrigeration system is absorption circularly cooling unit, adopts ammoniacal liquor as cold-producing medium.
The course of work of this high-pressure refrigeration caisson is: compressed air enters into after air accumulator cooling in air accumulator by air inlet flange.Ammoniacal liquor in U-shaped pipeline is transported in generator by pressure piping through ammoniacal liquor pipe flange, and the ammoniacal liquor that enters into generator mixes mutually with the ammonia spirit in generator; Next in generator, be heated, obtain refrigerant vapour after separation, enter into subsequently condenser cooling at condenser, condense into liquid state; Then through choke valve reducing pressure by regulating flow, enter evaporimeter, the liquid air that enters into evaporimeter is absorbed heat at evaporimeter, evaporation, produces cold effect, from liquid state, becomes gaseous state; A gaseous state ammoniacal liquor part in evaporimeter enters water tank as gaseous state cryogen, the mixing weak solution of condensation ammonification and water, the U-shaped pipeline in solution is pumped in air accumulator; Another part enters in absorber as gaseous state cryogen, a solution part in absorber is the weak solution that flows out from generator through heat exchanger and choke valve throttling, step-down, another part is the refrigerant vapour that absorbs flash-pot, the concentrated solution that absorption process produces is pressurizeed by solution pump, through heat exchanger heat absorption, heat up and reenter generator, so circulation.
Preferably, air accumulator adopts Q345R pressure vessel material to make, and operating pressure is 25MPa.
In above-mentioned arbitrary scheme, preferably, described air accumulator is supported by saddle.Described saddle is that top is the arc that diameter is identical with the diameter of the housing of air accumulator, and bottom is the supporter forming with the gripper shoe of arc vertical welding.
In above-mentioned arbitrary scheme, preferably, described air accumulator is provided with pressure-reduction outlet flange, manhole flange, air inlet flange, gauge port flange, ammoniacal liquor pipe flange, relief valve port flange, gas outlet flange and sewage draining exit flange.
In above-mentioned arbitrary scheme, preferably, described built in gas tank has U-shaped pipeline.
In above-mentioned arbitrary scheme, preferably, in described U-shaped pipeline, ammoniacal liquor cold-producing medium is housed.
In above-mentioned arbitrary scheme, preferably, the outer wall of described U-shaped pipeline is uniform-distribution with several heat absorption fins.
In above-mentioned arbitrary scheme, preferably, the material of described heat absorption fin is aluminium strip black coating chromium plate.
In above-mentioned arbitrary scheme, preferably, described U-shaped device for cleaning pipeline is crossed pulling-on piece and is supported in air accumulator.
In above-mentioned arbitrary scheme, preferably, described pulling-on piece is an annular slab, is evenly opening a plurality of circular holes on its ring surface.
In above-mentioned arbitrary scheme, preferably, described refrigeration system comprises generator, condenser, evaporimeter, water tank and absorber.
In above-mentioned arbitrary scheme, preferably, between described generator and condenser, condenser and evaporimeter, evaporimeter and water tank, evaporimeter and absorber, absorber and generator, all by pressure piping, be connected.
In above-mentioned arbitrary scheme, preferably, between described generator and absorber, be provided with heat exchanger, choke valve and solution pump.
In above-mentioned arbitrary scheme, preferably, between described condenser and evaporimeter, be provided with choke valve.
In above-mentioned arbitrary scheme, preferably, one end of described U-shaped pipeline is connected with generator through ammoniacal liquor pipe flange, and the other end is connected with solution pump through ammoniacal liquor pipe flange.
Accompanying drawing explanation
Fig. 1 is according to the structural representation of high-pressure refrigeration caisson of the present utility model.
Fig. 2 is according to the cutaway view of a preferred embodiment of the pulling-on piece shown in Fig. 1 of the present utility model.
Attached number in the figure:
Pressure-reduction outlet flange 1, end socket 2, manhole flange 3, housing 4, air inlet flange 5, U-shaped pipeline 6, heat absorption fin 7, pulling-on piece 8, gauge port flange 9, air accumulator 10, ammoniacal liquor pipe flange 11, relief valve port flange 12, gas outlet flange 13, sewage draining exit flange 14, saddle 15, generator 16, condenser 17, evaporimeter 18, water tank 19, refrigeration system 20, heat exchanger 21, choke valve 22, solution pump 23, absorber 24.
The specific embodiment
The following description is only exemplary and be not in order to limit the disclosure, application or purposes in essence.Below in conjunction with Figure of description, the specific embodiment of high-pressure refrigeration caisson of the present utility model is further described.
As shown in Figure 1, high-pressure refrigeration caisson of the present utility model, comprises air accumulator 10 and refrigeration system 20, and described air accumulator 10 comprises end socket 2 and housing 4, it is characterized in that: described refrigeration system 20 is absorption circularly cooling unit, adopt ammoniacal liquor as cold-producing medium.
In the present embodiment, described refrigeration system 20 comprises generator 16, condenser 17, evaporimeter 18, water tank 19 and absorber 24.
In the present embodiment, between described generator 16 and condenser 17, condenser 17 and evaporimeter 18, evaporimeter 18 and water tank 19, evaporimeter 18 and absorber 24, absorber 24 and generator 16, all by pressure piping, be connected.
In the present embodiment, between described generator 16 and absorber 24, be provided with heat exchanger 21, choke valve 22 and solution pump 23.
In the present embodiment, between described condenser 17 and evaporimeter 18, be provided with choke valve 22.
In the present embodiment, one end of described U-shaped pipeline 6 is connected with generator 16 through ammoniacal liquor pipe flange 11, and the other end is connected with solution pump 23 through ammoniacal liquor pipe flange 11.
The course of work of high-pressure refrigeration caisson of the present utility model is: compressed air by air inlet flange 5 enter into carry out after air accumulator 10 cooling.Ammoniacal liquor in U-shaped pipeline 6 is transported in generator 16 by pressure piping through ammoniacal liquor pipe flange 11, and the ammoniacal liquor that enters into generator 16 mixes mutually with the ammonia spirit in generator 16; Next in generator 16, be heated, obtain refrigerant vapour after separation, enter into subsequently condenser 17 cooling at condenser 17, condense into liquid state; Then through choke valve 22 reducing pressure by regulating flows, enter evaporimeter 18, the liquid air that enters into evaporimeter 18 is absorbed heat at evaporimeter 18, evaporation, produces cold effect, from liquid state, becomes gaseous state; A gaseous state ammoniacal liquor part in evaporimeter 18 enters water tank 19 as gaseous state cryogen, the mixing weak solution of condensation ammonification and water, through solution pump 23 be pressed in air accumulator 10, carry out cooling; Another part enters in absorber 24 as gaseous state cryogen, a solution part in absorber 24 is the weak solution that flows out from generator 16 through heat exchanger 21 and choke valve 22 throttlings, step-down, another part is the refrigerant vapour that absorbs flash-pot 18, the concentrated solution that absorption process produces is by 23 pressurizations of solution pump, through heat exchanger 21 heat absorptions, heat up and reenter generator 16, so circularly cooling.
In the present embodiment, described air accumulator 10 adopts Q345R pressure vessel material to make, and operating pressure is 25MPa.Q345R steel plate is that yield strength is the pressure vessel personality board of 265-345MPa level, has good comprehensive mechanical property and processing performance.
In the present embodiment, described air accumulator 10 is supported by saddle 15.Described saddle 15 is that top is the arc that diameter is identical with the diameter of the housing of air accumulator 10, and bottom is the supporter forming with the gripper shoe of arc vertical welding.Saddle 15 in the present embodiment is 2, lays respectively at the two ends of air accumulator 10, certainly when air accumulator Length Ratio is larger, can increase as required the number of saddle 15, such as 3,4,5 etc.
In the present embodiment, described air accumulator 10 is provided with pressure-reduction outlet flange 1, manhole flange 3, air inlet flange 5, gauge port flange 9, ammoniacal liquor pipe flange 11, relief valve port flange 12, gas outlet flange 13 and sewage draining exit flange 14.Pressure-reduction outlet flange 1 is provided with pressure-reducing valve; On gauge port flange 9, Pressure gauge is housed; On relief valve port flange 12, safety valve is housed.When the pressure in air accumulator 10 is greater than the pressure of gauge port flange 9 pressure gauge defineds, the safety valve on relief valve port flange 12 can send to report to the police and be reduced pressure and guaranteed safety by pressure-reduction outlet flange 1.
In the present embodiment, one end of air accumulator 10 also has manhole flange 3, when occur leaking in air accumulator 10 use procedures or stopping up, inner compressed air is shifted completely after the maintainer inside that can enter into air accumulator 10 through manhole flange 3 overhaul.
In the present embodiment, the two ends of air accumulator 10 are equipped with sewage draining exit flange 14, foreign material that have in the air accumulator 10 and end cap of sewage draining exit flange 14 can be opened while having influence on normal use of air accumulator 10 inner foreign material are discharged.
In the present embodiment, air accumulator 10 is provided with gas outlet flange 13, during compressed air in using air accumulator 10, only gas outlet flange 13 need be opened by pressure piping compressed air is exported.
In the present embodiment, in described air accumulator 10, be provided with U-shaped pipeline 6.
In the present embodiment, in described U-shaped pipeline 6, ammoniacal liquor cold-producing medium is housed.Caisson of the present utility model can carry out circulating cooling to compressed air, therefore this cooling pipe is designed to U-shaped pipeline 6.In addition, because the physical property of ammonia is similar to alcohol, hydrocarbon, and so on organic matter, it at normal temperatures (20 about degree) be gaseous state, pressurized liquefied heat release, decompression gasification heat absorption, so can be used as that cold-producing medium substitutes and use, and other cold-producing medium of the cost ratio of ammoniacal liquor wants cheap therefore the utility model be selected cheap ammoniacal liquor cold-producing medium.
In the present embodiment, the interior use ammoniacal liquor of U-shaped pipeline 6 in air accumulator 10, as cold-producing medium, because ammoniacal liquor is toxic liquid, has harm to human body, therefore be provided with relief valve port flange 12 at ammoniacal liquor pipe flange 11 places.
In the present embodiment, the outer wall of described U-shaped pipeline 6 distributing equably several heat absorption fins 7.Centered by described heat absorption fin 7, open round-meshed annular slab, its thickness is 5 millimeters, certainly can select as required 3 millimeters, 4 millimeters, 6 millimeters, 7 millimeters etc.This heat absorption fin 7 is distributed in the refrigeration area that can add large U type pipeline 6 on the outer wall of U-shaped pipeline 6, has improved the efficiency of refrigeration.
In the present embodiment, the material of described heat absorption fin 7 is aluminium strip black coating chromium plate.Black chrome coating has good spectral selection, and heat endurance and high temperature resistant property also fine, be applicable to hot conditions, 300 ℃ of energy long-term stable operation, in addition, black chrome coating also has good weatherability and corrosion resistance.
In the present embodiment, described U-shaped pipeline 6 is supported in air accumulator 10 by pulling-on piece 8.
As shown in Figure 2, the pulling-on piece 8 in the utility model is an annular slab, is evenly opening a plurality of circular holes 81 on its ring surface.Pulling-on piece 8 plays the effect of supporting U-shaped pipeline 6 in air accumulator 10, and the pressure that the effect of circular hole 81 starting ventilations is above born air accumulator 10 inside is in addition identical.
In the present embodiment, described circular hole 81 is 6, and take the center of centre bore of pulling-on piece 8 and evenly distinguish as the center of circle, certainly can increase as required the quantity of rear minimizing circular hole 81.
In sum, in high-pressure refrigeration caisson of the present utility model, refrigeration system 20 is absorption circularly cooling unit, adopts cheap ammoniacal liquor as cold-producing medium; Air accumulator 10 adopts Q345R pressure vessel material to make, and operating pressure is 25MPa, can produce the compressed air of 0 degree Celsius of following low temperature, thereby strengthen compressed-air actuated storage density.In addition, this air accumulator 10 adopts the sealing of male and fomale(M&F) seal form, and each takes over favorable sealing property.This high-pressure refrigeration caisson can circularly cooling, thereby has reduced production cost.
It will be apparent to those skilled in the art that high-pressure refrigeration caisson of the present utility model comprises any combination of each several part in this description.As space is limited and in order to make description simple and clear, at this, these combinations not to be introduced one by one in detail, but seen after this description, the scope of the present utility model that any combination of the each several part consisting of this description forms is self-evident.

Claims (12)

1. a high-pressure refrigeration caisson, comprise air accumulator (10) and refrigeration system (20), described air accumulator (10) comprises end socket (2) and housing (4), it is characterized in that: in air accumulator (10), be provided with U-shaped pipeline (6), U-shaped pipeline is equipped with ammoniacal liquor cold-producing medium in (6); One end of U-shaped pipeline (6) is connected with generator (16) through ammoniacal liquor pipe flange (11), and the other end is connected with solution pump (23) through ammoniacal liquor pipe flange (11); Described refrigeration system (20) is absorption circularly cooling unit, adopts ammoniacal liquor as cold-producing medium.
2. high-pressure refrigeration caisson as claimed in claim 1, is characterized in that: described air accumulator (10) adopts Q345R pressure vessel material to make, and operating pressure is 25MPa.
3. high-pressure refrigeration caisson as claimed in claim 1 or 2, is characterized in that: described air accumulator (10) is supported by saddle (15).
4. high-pressure refrigeration caisson as claimed in claim 1 or 2, is characterized in that: described air accumulator (10) is provided with pressure-reduction outlet flange (1), manhole flange (3), air inlet flange (5), gauge port flange (9), ammoniacal liquor pipe flange (11), relief valve port flange (12), gas outlet flange (13) and sewage draining exit flange (14).
5. high-pressure refrigeration caisson as claimed in claim 1, is characterized in that: the outer wall of described U-shaped pipeline (6) is uniform-distribution with several heat absorption fins (7).
6. high-pressure refrigeration caisson as claimed in claim 5, is characterized in that: the material of described heat absorption fin (7) is aluminium strip black coating chromium plate.
7. high-pressure refrigeration caisson as claimed in claim 1, is characterized in that: described U-shaped pipeline (6) is supported in air accumulator (10) by pulling-on piece (8).
8. high-pressure refrigeration caisson as claimed in claim 7, is characterized in that: described pulling-on piece (8) is an annular slab, is evenly opening a plurality of circular holes (81) on its ring surface.
9. high-pressure refrigeration caisson as claimed in claim 1, is characterized in that: described refrigeration system (20) comprises generator (16), condenser (17), evaporimeter (18), water tank (19) and absorber (24).
10. high-pressure refrigeration caisson as claimed in claim 9, is characterized in that: between described generator (16) and condenser (17), condenser (17) and evaporimeter (18), evaporimeter (18) and water tank (19), evaporimeter (18) and absorber (24), absorber (24) and generator (16), all by pressure piping, be connected.
11. high-pressure refrigeration caissons as described in claim 9 or 10, is characterized in that: between described generator (16) and absorber (24), be provided with heat exchanger (21), choke valve (22) and solution pump (23).
12. high-pressure refrigeration caissons as described in claim 9 or 10, is characterized in that: between described condenser (17) and evaporimeter (18), be provided with choke valve (22).
CN201320421554.XU 2013-07-16 2013-07-16 High-pressure refrigeration and air storage device Expired - Fee Related CN203478675U (en)

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CN201320421554.XU CN203478675U (en) 2013-07-16 2013-07-16 High-pressure refrigeration and air storage device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105276848A (en) * 2014-06-26 2016-01-27 舟山金瀛制冷科技有限公司 Refrigerating system and refrigerating technique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105276848A (en) * 2014-06-26 2016-01-27 舟山金瀛制冷科技有限公司 Refrigerating system and refrigerating technique

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