CN201827648U - Device for reducing residues of liquid chlorine cylinder - Google Patents
Device for reducing residues of liquid chlorine cylinder Download PDFInfo
- Publication number
- CN201827648U CN201827648U CN2010205398629U CN201020539862U CN201827648U CN 201827648 U CN201827648 U CN 201827648U CN 2010205398629 U CN2010205398629 U CN 2010205398629U CN 201020539862 U CN201020539862 U CN 201020539862U CN 201827648 U CN201827648 U CN 201827648U
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- China
- Prior art keywords
- liquid chlorine
- chlorine cylinder
- cylinder
- blowdown line
- compressor
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- Expired - Fee Related
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Abstract
The utility model belongs to the field of epoxypropane production equipment and particularly relates to a device for reducing residues of a liquid chlorine cylinder, including a liquid chlorine cylinder, a vaporizer, a buffer tank and a compressor which are connected by steel pipes in sequence. The device for reducing residues of the liquid chlorine cylinder is characterized in that a vacuum relief pipeline is connected with the liquid chlorine cylinder; a control valve and a pressure gauge are arranged on the vacuum relief pipeline; and the vacuum relief pipeline is connected with the compressor. With the device for reducing residues of the liquid chlorine cylinder, the liquid chlorine cylinder can be reduced under the premise of guaranteeing the safety, the waste of liquid chlorine is reduced, and the production cost is greatly lowered.
Description
Technical field
The utility model relates to a kind of device that reduces the liquid chlorine cylinder residual volume, belongs to the production of propylene oxide apparatus field.
Background technique
In the production of propylene oxide, the chlorine consumption is big, therefore the liquid chlorine cylinder amount of using is many, usually all be that liquid chlorine cylinder, vaporizer, knock out drum and compressor are connected in turn by steel pipe, feed hot steam in elder generation's vaporizer, make liquid chlorine enter the chlorine liquid carburetor vaporization, chlorine arrives compressor through knock out drum then, after the compressed pressurization, enter reaction device.For reaching safety requirement, liquid chlorine cylinder should keep the surplus of 5-10kg after use, if residual volume is very few, cause unnecessary trouble will for the unit of filling, potential safety hazard is arranged, if but residual volume is too much in the steel cylinder, to cause sizable waste, unit consumption rises, and cost of production rises.Confirm that by experiment ambient temperature is low, pressure of the inside of a bottle is high, the inspector is careless and inadvertent, copper pipe damage deformation resistance is big, tear to be liquid chlorine cylinder residual volume major reason how a bottle morning open.
Summary of the invention
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of and can cut the waste, reduce production costs, at the device that guarantees to reduce under the safe prerequisite liquid chlorine cylinder residual volume.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of device that reduces the liquid chlorine cylinder residual volume, comprise liquid chlorine cylinder, vaporizer, knock out drum and compressor, four connect in turn by steel pipe, it is characterized in that: connect the vacuum blowdown line on the liquid chlorine cylinder, installation and control valve and pressure gauge on the vacuum blowdown line, the vacuum blowdown line connects compressor.
Described vacuum blowdown line outside adds sleeve pipe, when taking out bottle pressure release by compressor, owing to have the residual liquid chlorosity easily to enter in the vacuum blowdown line in the part liquid chlorine cylinder, cause the frosting of vacuum blowdown line serious, influence safety in production therefore by adding sleeve pipe, and feeds the hot water of suitable temperature in sleeve pipe, heating impels vaporization, guarantees safety.
Usually, chemical workshop can be connected to a plurality of liquid chlorine cylinders on the steel pipe, earlier hot steam will be fed in the vaporizer, after making liquid chlorine enter the chlorine liquid carburetor vaporization, arrive compressor through knock out drum again, after the compression pressurization, enter reaction device, be to guarantee safety, the hot steam temperature of vaporizer be controlled at about 70 ℃ that winter temperature can suitably improve.After liquid chlorine discharge capacity in the liquid chlorine cylinder reduces, further check residual volume in the estimation liquid chlorine cylinder by method such as weigh, what determine which bottle can pressure release according to residual volume, close the corresponding valve on the former steel pipe this moment, and open control valve on the vacuum blowdown line, rely on suction port of compressor suction, give the pressure release of liquid chlorine steel cylinder, be pumped into negative pressure, fill again and influence manufacturer for preventing pressure of the inside of a bottle, setting pressure table on the vacuum blowdown line, when pressure gauge shows that pressure is reduced to 0.4904～0.9807MPa, promptly stop pressure release, pull down liquid chlorine cylinder this moment, promptly well reduced the liquid chlorine cylinder residual volume, reduced cost of production by vacuumizing method.
In using process of the present utility model, should be noted that:
(1) when taking out bottle, because the big suction of compressor capacity is stronger, bottle is pressed be pumped into negative pressure, give once more that bottling causes trouble, and dangerous.Therefore in taking out bottle process, should note vacuum blowdown line internal pressure, when pressure drops to 0.4904～0.9807MPa, promptly removable bottle.
(2) when taking out bottle, owing to have the residual liquid chlorosity easily to enter in the vacuum blowdown line in the part liquid chlorine cylinder, cause the frosting of vacuum blowdown line serious, the influence safety in production.Therefore can on the vacuum blowdown line, add sleeve pipe, in sleeve pipe, feed the hot water heating, impel vaporization, guarantee safety.
(3) in the winter time the time, because temperature is lower, remaining quantity is easier in the liquid chlorine cylinder, uses at this moment should for the heating of liquid chlorine steel cylinder, allow liquid chlorine discharge by self pressure as far as possible, prevents remaining hypervolia, compresses into the vacuum blowdown line and causes unsafe factor through taking out.
The beneficial effect that the utility model had is: a kind of device that reduces the liquid chlorine cylinder residual volume is provided, can reduces the residual volume of liquid chlorine cylinder under the premise that security is guaranteed, reduced the liquid chlorine waste, greatly reduce cost of production.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1, liquid chlorine cylinder; 2, control valve; 3, vacuum blowdown line; 4, pressure gauge; 5, steel pipe; 6, valve; 7, vaporizer; 8, knock out drum; 9, compressor
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
As shown in Figure 1, the device that reduces the liquid chlorine cylinder residual volume comprises liquid chlorine cylinder 1, vaporizer 7, knock out drum 8 and compressor 9, four pass through steel pipe 5 connects in turn, connect vacuum blowdown line 3 on the liquid chlorine cylinder 1, installation and control valve 2 and pressure gauge 4 on the vacuum blowdown line 3, vacuum blowdown line 3 connects compressor 9.
Described vacuum blowdown line 3 outsides add sleeve pipe, when taking out bottle pressure release by compressor 9, owing to have the residual liquid chlorosity easily to enter in the vacuum blowdown line 3 in the part liquid chlorine cylinder 1, cause 3 frostings of vacuum blowdown line serious, influence safety in production therefore by adding sleeve pipe, and feeds the hot water of suitable temperature in sleeve pipe, heating impels vaporization, guarantees safety.
Usually, chemical workshop can be connected to a plurality of liquid chlorine cylinders 1 on the steel pipe 5, earlier will feed hot steam in the vaporizer 7, after making liquid chlorine enter chlorine liquid carburetor 7 vaporizations, arrive compressor 9 through knock out drum 8 again, after the compression pressurization, enter reaction device, be to guarantee safety, the hot steam temperature of vaporizer 7 be controlled at about 70 ℃ that winter temperature can suitably improve.After liquid chlorine discharge capacity in the liquid chlorine cylinder 1 reduces, further check residual volume in the estimation liquid chlorine cylinder 1 by method such as weigh, what determine which bottle can pressure release according to residual volume, close the corresponding valve 6 on the former steel pipe 5 this moment, and open control valve 2 on the vacuum blowdown line 3, rely on compressor 9 inlet suction, give 1 pressure release of liquid chlorine steel cylinder, be pumped into negative pressure for preventing pressure of the inside of a bottle, fill again and influence manufacturer, setting pressure table 4 on vacuum blowdown line 3, when pressure gauge 4 shows that pressure is reduced to 0.4904～0.9807MPa, promptly stop pressure release, pull down liquid chlorine cylinder 1 this moment, promptly well reduced liquid chlorine cylinder 1 residual volume, reduced cost of production by vacuumizing method.
In using process of the present utility model, should be noted that:
(1) when taking out bottle, because the big suction of compressor 9 abilities is stronger, bottle is pressed be pumped into negative pressure, give once more that bottling causes trouble, and dangerous.Therefore in taking out bottle process, should note vacuum blowdown line 3 internal pressures, when pressure drops to 0.4904～0.9807MPa, promptly removable bottle.
(2) when taking out bottle, owing to have the residual liquid chlorosity easily to enter in the vacuum blowdown line 3 in the part liquid chlorine cylinder 1, cause 3 frostings of vacuum blowdown line serious, the influence safety in production.Therefore can on vacuum blowdown line 3, add sleeve pipe, in sleeve pipe, feed the hot water heating, impel vaporization, guarantee safety.
(3) in the winter time the time, because temperature is lower, remaining quantity is easier in the liquid chlorine cylinder 1, use at this moment should for 1 heating of liquid chlorine steel cylinder, allow liquid chlorine discharge by self pressure as far as possible, prevent remaining hypervolia, compress into vacuum blowdown line 3 and cause unsafe factor through taking out.
Claims (2)
1. device that reduces the liquid chlorine cylinder residual volume, comprise liquid chlorine cylinder, vaporizer, knock out drum and compressor, four connect in turn by steel pipe, it is characterized in that: connect the vacuum blowdown line on the liquid chlorine cylinder, installation and control valve and pressure gauge on the vacuum blowdown line, the vacuum blowdown line connects compressor.
2. the device of reduction liquid chlorine cylinder residual volume according to claim 1 is characterized in that: described vacuum blowdown line outside adds sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205398629U CN201827648U (en) | 2010-09-25 | 2010-09-25 | Device for reducing residues of liquid chlorine cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205398629U CN201827648U (en) | 2010-09-25 | 2010-09-25 | Device for reducing residues of liquid chlorine cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201827648U true CN201827648U (en) | 2011-05-11 |
Family
ID=43966181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205398629U Expired - Fee Related CN201827648U (en) | 2010-09-25 | 2010-09-25 | Device for reducing residues of liquid chlorine cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201827648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672395A (en) * | 2013-11-15 | 2014-03-26 | 苏州金宏气体股份有限公司 | Method for recycling emptying residual gas of high purity gas transportation and storage tank |
-
2010
- 2010-09-25 CN CN2010205398629U patent/CN201827648U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672395A (en) * | 2013-11-15 | 2014-03-26 | 苏州金宏气体股份有限公司 | Method for recycling emptying residual gas of high purity gas transportation and storage tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20150925 |
|
| EXPY | Termination of patent right or utility model |