CN100424404C - Refrigerant tank with volume below 1000ml - Google Patents
Refrigerant tank with volume below 1000ml Download PDFInfo
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- CN100424404C CN100424404C CNB2006100968573A CN200610096857A CN100424404C CN 100424404 C CN100424404 C CN 100424404C CN B2006100968573 A CNB2006100968573 A CN B2006100968573A CN 200610096857 A CN200610096857 A CN 200610096857A CN 100424404 C CN100424404 C CN 100424404C
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- screw thread
- refrigerant
- push rod
- refrigerant tank
- tank
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Abstract
The invention relates to a refrigerant tank with less than 1000ml. the procedure for the loading and discharging method of refrigerant is that a) inhalator valve with inch screw thread is set on the upper sealing cover of refrigerant tank; b) sealing cover is pressed to the tank, in which it is vacuum; c) refrigerant is loaded into the tank by the inhalator valve with inch screw thread on the sealing cover; d) residual air on the top of tank is discharged and product refrigerant tank is produced; e) refrigerant is discharged by inhalator valve with inch screw thread opened by the key. The sealing cover of refrigerant tank is that inhalator valve with inch screw thread is set in the cylinder convex platform at the center of cover, circular hole is set on the top of convex platform, sealing gasket is under the circular hole, the upper end face of inhalator valve with inch screw head is connected with sealing gasket hermetically. The merit is that it can be loaded under the ordinary temperature and pressure, investing cost is saved; refrigerant with water has less oxygen; residual refrigerant can be sealed in the tank; refrigerant tank can be loaded time after time, resource is saved and circumstance pollution is avoided by refrigerant.
Description
Technical field
The present invention relates to refrigerant tank, relate in particular to can and the discharge method and the refrigerant tank capping of refrigerant tank below 1000 milliliters.
Background technique
For many years, the can of inner wrapping refrigerant tank below 1000 milliliters is adopted is method in the disposable galvanized iron capping 3 of tank body embedding with refrigerant rear pressing cover (accompanying drawing 6).In the time of need using wherein refrigeration agent, the capping upper end is exposed, refrigeration agent is flowed out with the tip on the special-purpose corkscrew 2.
After the capping of above-mentioned this refrigerant tank was stabbed and worn, refrigeration agent must all charge in the air-conditioning system, if system is full of, unnecessary refrigeration agent just has to be discharged in the atmosphere go, and jar can not be used again.The refrigerant tank of exposing in actual use often all has surplus after once using, but the capping of this kind galvanized iron can not be closed once more, and unnecessary refrigeration agent has only to atmosphere and discharges in a large number in jar, not only causes very big waste but also environment is produced bigger pollution.R12 (dichlorodifluoromethane), R22 (monochlorodifluoromethane), R134a refrigeration agents such as (HFC-134a) contain fluorine, chlorine mostly, they have destruction to atmospheric ozone layer, therefore, a large amount of uses of existing inner wrapping refrigerant tank have the negative effect of aggravation greenhouse effect.
On the other hand, using disposable galvanized iron capping in the can of existing refrigeration agent is produced, is to be difficult to moisture and oxygen content in the control refrigeration agent.Because refrigeration agent is gaseous state at normal temperatures and pressures, when the production can, must adopt freezing can method, refrigerant cools to-37～39 ℃, is made its liquefaction, pour in the uncovered can.So just have a large amount of air setting water and refrigerant of low temperature to enter simultaneously, seal up disposable galvanized iron capping then, this just makes the water content in the refrigeration agent exceed standard, and moisture exceeding standard can have a strong impact on the refrigeration of chiller plant in the refrigeration agent.So air-conditioning system is very strict to the requirement of the water content of refrigeration agent, generally must not be greater than 10ppm.If do not have specialized apparatus and technological means be difficult to guarantee that the refrigeration agent moisture content in the inner wrapping refrigerant tank is up to standard, most moisture reasons that exceed standard of inner wrapping refrigeration agent on the market why that Here it is.The existing method that solves is to adopt filling apparatus under the expensive lid, but because the cost height, a lot of enterprises are reluctant to use.Even use,, exist the problem of environmental pollution because this equipment leakage rate when the can refrigeration agent is bigger.
Summary of the invention
Main purpose of the present invention is to overcome the deficiency of above-mentioned existing technology, designs a kind of like this refrigerant tank below 1000 milliliters: can at normal temperatures and pressures, and jar interior several no air and moisture and can are convenient after the can; Remaining part can be enclosed in and treat in the jar to use next time after the part refrigeration agent was discharged in the refrigerant tank; Can repeatedly after the jar inner refrigerant uses up.Comprise can and the discharge method and the refrigerant tank capping of refrigeration agent in the technological scheme of its realization.
It can and discharge method comprise the following steps:
A) settle screw thread aerosol valve for the moment, settling for the moment on the closure body of described refrigerant tank upper end, the screw thread aerosol valve forms capping;
B) gland capping to tank body, vacuumizes the capping gland in the gland process to tank body;
C) can refrigeration agent is by screw thread aerosol valve in a period of time can refrigeration agent in refrigerant tank of capping upper body;
D) discharge air pocket, after can was finished, backed down spool downwards 0.5～1 second in the screw thread aerosol valve a period of time that special-purpose push rod is inserted the refrigerant tank upper end, and the air pocket of top in the jar is discharged becomes a finished product refrigerant tank.
E) refrigeration agent is discharged, need be when chiller plant adds refrigeration agent, the inlet, outlet of gas circuit pipe on the uncork spoon is connected with corresponding suction port on the chiller plant with the boss of described finished product refrigerant tank upper end respectively, push rod on the turn uncork spoon, screw thread aerosol valve in a period of time on the described finished product refrigerant tank is opened, the jar inner refrigerant is filled in the chiller plant by the gas circuit pipe on the uncork spoon, after can is a certain amount of, the reverse described push rod of turn, the screw thread aerosol valve is closed for the moment, stop can, remaining refrigeration agent sealing is retained in the jar.
Described uncork spoon comprises push rod, gas circuit pipe and end cap, described push rod is screwed in the air flue of gas circuit pipe inboard, and by on it the interlocking seal ring and air flue corresponding part be tightly connected, the end cap cross-under on push rod top and the upper end that is screwed in the gas circuit pipe by screw thread to the push rod axial limiting, the push rod lower end is plugged in the spool of screw thread aerosol valve in described a period of time, when the screw thread aerosol valve was opened for the moment, pressed on the corresponding flat that touches in spool on the plane of push rod lower end.
Its refrigerant tank capping is that cylindrical boss at the closure body center is built-in with screw thread aerosol valve for the moment, and the top of boss is provided with circular hole, and the circular hole downside is equipped with seal washer, for the moment the upper end of screw thread aerosol valve and being tightly connected with seal washer.
Described a period of time, the screw thread aerosol valve comprised valve seat, spool and stage clip, and stage clip places the endoporus of valve seat, and spool is connected the free end of stage clip, axially moved in the endoporus of valve seat with stretching of stage clip.
The present invention main by on the closure body of refrigerant tank, settle for the moment the screw thread aerosol valve make its produced below a series of remarkable beneficial effects: 1) refrigeration agent by a period of time the screw thread aerosol valve be filled in the refrigerant tank, canned can the carrying out at normal temperatures and pressures that makes, do not need freezing and lid can down, save a large amount of special devices, saved investment of production equipment greatly; 2) refrigeration agent by a period of time the screw thread aerosol valve flow into refrigerant tank and avoided refrigeration agent to contact with atmosphere, solved the problem moisture in the refrigeration agent for a long time, that oxygen content is difficult to reduce; 3) discharge of jar inner refrigerant can be controlled according to the time that the needs of chiller plant are opened valve by control, how many refrigeration systems needs just what fill like this, remaining part is enclosed in the jar, wait until and continue to use, not waste, can be canned repeatedly after the jar inner refrigerant uses, refrigerant tank is recycled, and economizes on resources; 4) the present invention does not have leakage in refrigeration agent is filled to jar or with the process that the refrigeration agent in the jar drains into chiller plant, the screw thread aerosol valve in a period of time that is adopted is a kind of female valve, unless use special-purpose uncork spoon, the general state lower valve is airtight, safety is not leaked, so, the present invention very well solved inner wrapping refrigerant tank in the prior art from canned discharge all will produce to refrigeration agent leak even the problem of a large amount of dischargings.
Description of drawings
Fig. 1 is the structural representation of refrigerant tank among the present invention.
Fig. 2 is the E portion enlarged view among Fig. 1
Schematic representation when Fig. 3 is the can refrigeration agent.
The special-purpose push rod structure schematic representation of Fig. 4.
Fig. 5 is a uncork spoon among the present invention.
Fig. 6 is a closure construction schematic representation of the prior art.
Among the figure, the 1st, finished product refrigerant tank, the 2nd, the tip of corkscrew in the prior art, the 3rd, capping of the prior art, the 10th, closure body, the 11st, cylindrical boss, the 14th, packing ring, the 15th, circular hole, the 20th, screw thread aerosol valve for the moment, 21 valve seats, the 22nd, spool, the 23rd, stage clip, the 25th, endoporus, the 30th, uncork spoon, the 31st, push rod, the 32nd, gas circuit pipe, the 33rd, end cap, 34 seal rings, the 35th, air flue, the 36th, suction port, the 37th, relief opening, the 38th, push rod lower plane, the 40th, tank body, the 50th, special-purpose fill head, the 51st, special-purpose push rod.
Embodiment
Embodiment 1
Present embodiment restrains carbon-hydrogen refrigerants with 600 milliliters of refrigerant tank cans 330.Its step is as follows:
A) settle screw thread aerosol valve for the moment
Settle packing ring 14 in the cylindrical boss 11 of closure body shown in Figure 1 10 centers, the screw thread aerosol valve is pressed in the boss 11 for the moment.This for the moment the screw thread aerosol valve forms by valve seat 21, spool 22 and stage clip 23, stage clip 23 places the endoporus 25 of valve seat, spool 22 is connected on the free end of stage clip 23 upsides, can be axially mobile in the endoporus 25 of valve seat with stretching of stage clip 23.The top circular hole 15 of spool 22 and boss 11 is corresponding and be communicated with, and the upper-end surface of valve seat 21 and spool 22 is pressed on the packing ring 14 and is tightly connected with it.
B) gland capping
Above-mentioned closure body 10 glands that are mounted with screw thread aerosol valve for the moment to tank body 40, and are vacuumized tank body in the gland process.The limit, upper end of tank body 41 is tightly connected with capping by the seal ring 13 in all side flangings of capping and is integral, thereby forms a refrigerant tank 40.
C) can refrigeration agent
Adopt existing filling apparatus and special-purpose fill head 50, during can special-purpose fill head 50 is placed cryogen jar 40 upper ends, see also Fig. 3, spool 22 is in filling apparatus under the effect than atmospheric pressure (general 4MPa) and can push rod 51, backed down downwards, the inner side edge of the seal ring 13 of spool upside is in the (see figure 3) of overturning downwards than the air flow effect, and a certain amount of carbon-hydrogen refrigerant flows in the jar.After can finishes, the push rod withdrawal, spool 22 touches on packing ring 14 tight pressure the under the effect of stage clip 23, makes refrigerant tank keep air-tight state.
D) emptying gas
Vertically place also the refrigerant tank of can refrigeration agent, remaining air can rise to a jar interior top in it, with special-purpose push rod insert the refrigerant tank upper end a period of time the screw thread aerosol valve spool in, and back down spool downwards, listen " sneering " one, mention push rod immediately, at this moment, about 0.5～1 second of valve open, screw thread aerosol valve closure for the moment.The air pocket of top is discharged in jar, almost no longer contains air in jar, does not more have the moisture of carrying secretly because of air, and the refrigerant tank of this moment is a finished product refrigerant tank.
General each batch finished product refrigerant tank is equipped with an amount of uncork spoon.The structure of uncork spoon such as Fig. 5, it is made up of push rod 31, gas circuit 32 pipes and end cap 33.Interlocking two seals circle 34 on the middle part periphery of push rod 31, some is provided with outside thread its underpart, be provided with corresponding internal thread in the air flue 35 of gas circuit pipe 32, push rod 3 is plugged in the air flue, and be screwed in the air flue 35 by its described internal and external screw thread, the seal ring 34 on the push rod 3 makes the following air flue 35 of seal ring airtight.End cap 33 cross-under are on push rod top, and the inboard of end cap 33 is provided with screw thread, and it is screwed in gas circuit pipe upper end.33 pairs of push rods of end cap play position-limiting action, even the screw part of corresponding internal thread in the external thread rotary air outlet channel 35 on the push rod, the push rod road pipe 32 that also can not outgas keeps one.
E) discharging refrigerant
,, when adding refrigeration agent such as automotive air-conditioning system the suction port 36 of gas circuit pipe on the uncork spoon is screwed on the cylindrical boss 11 of finished product refrigerant tank upper end by screw thread to chiller plant at needs, air outlet 37 is connected with corresponding suction port in the automotive air-conditioning system.Push rod 31 in the turn uncork spoon moves down it, and push rod lower plane 38 is compressed on the spool 22, and spool is moved down, and the screw thread aerosol valve is opened for the moment, and a jar inner refrigerant is filled in the cool equipment by the gas circuit pipe 32 on the uncork spoon, after can was a certain amount of, oppositely turn uncork spoon moved on the push rod 31, no longer suppress spool, the screw thread aerosol valve is closed for the moment, stops can, remaining refrigeration agent sealing is retained in the jar, can wait until next time and use, all discharge then slack tank can once more as the jar inner refrigerant.
In the present embodiment, the used packing ring of cryogen jar 14 and for the moment the seal ring 13 in the screw thread aerosol valve all adopt oil resistant rubber.
Present embodiment is with 400 milliliters of refrigerant tank can R134a.The concrete steps of the structure of its capping and uncork spoon and the can of refrigeration agent and discharge method are identical with embodiment 1.Wherein, used packing ring 14 of cryogen jar and seal ring 13 all adopt the rubber of anti-the solvent.
Present embodiment is with 300 milliliters of refrigerant tank can R12.The concrete steps of the structure of its capping and uncork spoon and the can of refrigeration agent and discharge method are identical with embodiment 1.Wherein, used packing ring 14 of cryogen jar and seal ring 13 all adopt the rubber of anti-the solvent.
Claims (2)
1. the can of refrigerant tank and discharge method below 1000 milliliters is characterized in that comprising the following steps:
A) settle screw thread aerosol valve for the moment, settling for the moment on the closure body of described refrigerant tank upper end, the screw thread aerosol valve forms capping;
B) gland capping to tank body, vacuumizes the capping gland in the gland process to tank body;
C) can refrigeration agent is by screw thread aerosol valve in a period of time can refrigeration agent in refrigerant tank in the capping;
D) discharge air pocket, after can was finished, backed down spool downwards 0.5～1 second in the screw thread aerosol valve a period of time that special-purpose push rod is inserted the refrigerant tank upper end, and the air pocket of top in the jar is discharged becomes a finished product refrigerant tank;
E) refrigeration agent is discharged, need be when chiller plant adds refrigeration agent, the inlet, outlet of gas circuit pipe on the uncork spoon is connected with corresponding suction port on the chiller plant with the boss of described finished product refrigerant tank upper end respectively, push rod on the turn uncork spoon, screw thread aerosol valve in a period of time on the described finished product refrigerant tank is opened, the jar inner refrigerant is filled in the chiller plant by the gas circuit pipe on the uncork spoon, after can is a certain amount of, the reverse described push rod of turn, the screw thread aerosol valve is closed for the moment, stop can, remaining refrigeration agent sealing is retained in the jar.
2. the can and the discharge method of refrigerant tank below 1000 milliliters according to claim 1, it is characterized in that described uncork spoon comprises push rod, gas circuit pipe and end cap, described push rod is screwed in the air flue of gas circuit pipe inboard, and by on it the interlocking seal ring and air flue corresponding part be tightly connected, the end cap cross-under on push rod top and the upper end that is screwed in the gas circuit pipe by screw thread to the push rod axial limiting, the push rod lower end is plugged in the spool of screw thread aerosol valve in described a period of time, when the screw thread aerosol valve was opened for the moment, pressed on the corresponding flat that touches in spool on the plane of push rod lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100968573A CN100424404C (en) | 2006-10-20 | 2006-10-20 | Refrigerant tank with volume below 1000ml |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100968573A CN100424404C (en) | 2006-10-20 | 2006-10-20 | Refrigerant tank with volume below 1000ml |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1952467A CN1952467A (en) | 2007-04-25 |
| CN100424404C true CN100424404C (en) | 2008-10-08 |
Family
ID=38058931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100968573A Expired - Fee Related CN100424404C (en) | 2006-10-20 | 2006-10-20 | Refrigerant tank with volume below 1000ml |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100424404C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533949B (en) * | 2018-04-08 | 2023-07-25 | 浙江弗莱制冷剂有限公司 | Refrigerant filling equipment |
| CN114379845B (en) * | 2020-10-20 | 2023-05-23 | 鸿蒙科技(浙江)有限公司 | Refrigerant sub-packaging method for aerosol can |
| CN112556250B (en) * | 2020-12-03 | 2022-02-18 | 衢州市蓝德物资贸易有限公司 | Refrigerant flow dividing device and using method |
| CN113090942B (en) * | 2021-04-30 | 2022-06-28 | 浙江金象科技有限公司 | Non-refillable pressure bottle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3651997A (en) * | 1970-03-23 | 1972-03-28 | Risdon Mfg Co | Combined pressure filling and dispensing control valve for aerosol containers |
| US4644982A (en) * | 1985-09-23 | 1987-02-24 | Hatch Jimmie K | Refrigerant material transfer adapter |
| CN1032319A (en) * | 1987-09-29 | 1989-04-12 | 喷雾科技企业公司 | The dispenser head that product semiliquid, viscous or pasty state is used |
| US4915262A (en) * | 1987-03-25 | 1990-04-10 | Societe De Promotion Recherche Et Innovation Technologique | Head for dispensing regulated amounts of material for use with a pressurized container with a continuous valve |
| US5428942A (en) * | 1992-04-28 | 1995-07-04 | Belgium Spray Accessory Factory, Afgekort B.S.A.F. Naamloze Vennootschap | Method and device for filling a pressure capsule for spray cans, and a pressure capsule which can be filled according to this method |
| JPH08217166A (en) * | 1995-02-10 | 1996-08-27 | Seiichi Kitabayashi | Aerosol valve, and automatic ejection method of residual gas of aerosol bomb provided with the aerosol valve |
| US6880733B2 (en) * | 2001-04-11 | 2005-04-19 | Jin-Ha Park | Aerosol valve assembly and aerosol vessel |
| CN1839068A (en) * | 2003-07-10 | 2006-09-27 | 精密阀门公司 | Means and method for filling bag-on-valve aerosol barrier packs |
-
2006
- 2006-10-20 CN CNB2006100968573A patent/CN100424404C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3651997A (en) * | 1970-03-23 | 1972-03-28 | Risdon Mfg Co | Combined pressure filling and dispensing control valve for aerosol containers |
| US4644982A (en) * | 1985-09-23 | 1987-02-24 | Hatch Jimmie K | Refrigerant material transfer adapter |
| US4915262A (en) * | 1987-03-25 | 1990-04-10 | Societe De Promotion Recherche Et Innovation Technologique | Head for dispensing regulated amounts of material for use with a pressurized container with a continuous valve |
| CN1032319A (en) * | 1987-09-29 | 1989-04-12 | 喷雾科技企业公司 | The dispenser head that product semiliquid, viscous or pasty state is used |
| US5428942A (en) * | 1992-04-28 | 1995-07-04 | Belgium Spray Accessory Factory, Afgekort B.S.A.F. Naamloze Vennootschap | Method and device for filling a pressure capsule for spray cans, and a pressure capsule which can be filled according to this method |
| JPH08217166A (en) * | 1995-02-10 | 1996-08-27 | Seiichi Kitabayashi | Aerosol valve, and automatic ejection method of residual gas of aerosol bomb provided with the aerosol valve |
| US6880733B2 (en) * | 2001-04-11 | 2005-04-19 | Jin-Ha Park | Aerosol valve assembly and aerosol vessel |
| CN1839068A (en) * | 2003-07-10 | 2006-09-27 | 精密阀门公司 | Means and method for filling bag-on-valve aerosol barrier packs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1952467A (en) | 2007-04-25 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20111020 |