CN203413919U - System for liquefying chlorine by frozen expansion method - Google Patents
System for liquefying chlorine by frozen expansion method Download PDFInfo
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- CN203413919U CN203413919U CN201320446851.XU CN201320446851U CN203413919U CN 203413919 U CN203413919 U CN 203413919U CN 201320446851 U CN201320446851 U CN 201320446851U CN 203413919 U CN203413919 U CN 203413919U
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- chlorine
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- liquid separator
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Abstract
The utility model discloses a system for liquefying chlorine by a frozen expansion method. An existing chlorine liquefying device is easy to explode or can easily pollute the environment. The output end of a turbine type chlorine compressor unit is connected with the input end of a boosting braking fan; the output end of the boosting braking fan is connected with the input end of a precooler through a first cooling pipe; the output end of the precooler is connected with the input end of a main gas-liquid separator through a main chlorine liquefier; one output end of the main gas-liquid separator is connected with a liquid chlorine storage tank, and the other output end of the main gas-liquid separator is connected with the input end of an auxiliary gas-liquid separator through an auxiliary chlorine liquefier; one output end of the auxiliary gas-liquid separator is connected with the liquid chlorine storage tank, and the other output end of the auxiliary gas-liquid separator is connected with the input end of an expander; the output end of the expander is connected with the input end of a tail chlorine distribution table through a second cooling pipe and a third cooling pipe; a plurality of user access terminals are arranged on the tail chlorine distribution table. The system is safe, energy-saving and environment-friendly.
Description
Technical field
The utility model belongs to chemical field, is specifically related to the system that a kind of freezing plavini carries out chlorine gas liquefaction.
Background technology
In industrial production, produce at present liquid chlorine conventional have three kinds of methods: i.e. low-temp low-pressure method, medium temperature and medium pressure method and high temperature and high pressure method.The safe coefficient of producing liquid chlorine in production raises and reduces with pressure, but the corresponding reduction of energy consumption.First two method institute chilling requirement provides by refrigerator, and its refrigerant has two kinds of liquefied ammonia and freon.The former is indirectly cooling with calcium chloride brine, but enters after system when A leak of liquefied ammonia, can produce agene and gather while reaching certain content, easily decomposition explosion.The latter is direct-cooling type, comparatively energy-conservation, but freon whole world after the several years will forbid, limit production at present, and reason is that freon can damage the ozone layer, and earth habitable environment is worked the mischief.Latter two method pressuring method adopts sulfuric acid liquid rotary compressor more, and product is easily subject to sulfate pollution, and liquid rotary compressor efficiency is only 30%--40%, has reduced energy-saving effect.
Summary of the invention
The utility model, for the deficiencies in the prior art, proposes the system that a kind of freezing plavini carries out chlorine gas liquefaction, adopts this system to prepare liquid chlorine, energy-saving and environmental protection successful, and safe and reliable.
The utility model comprises turbine type chlorine gas compressor group, booster-type expansion unit, the first cooling tube, braking cooler, forecooler, main chlorine liquefier, main gas-liquid separator, liquid chlorine storage tank, auxiliary chlorine liquefier, auxiliary gas-liquid separator, the second cooling tube, the 3rd cooling tube, tail chlorine dispense station, the 4th cooling tube and freezing unit.
Described booster-type expansion unit comprises booster brake blower fan, decompressor and power transmission shaft, between booster brake blower fan and decompressor, by power transmission shaft, connects.
The open setting of input of described turbine type chlorine gas compressor group, output is connected with the input of booster brake blower fan; Turbine type chlorine gas compressor group is provided with compressor cooling water import and compressor cooling water outlet; The output of booster brake blower fan is connected with one end of the first cooling tube; The first cooling tube whole installation is inner at braking cooler, and the other end is connected with the input of forecooler; Braking cooler is provided with cooler cooling water inlet and cooler coolant outlet; The output of forecooler is connected with the input of main chlorine liquefier, and the output of main chlorine liquefier is connected with the input of main gas-liquid separator; An output of main gas-liquid separator is connected with an input of liquid chlorine storage tank, and another output is connected with the input of auxiliary chlorine liquefier; The output of auxiliary chlorine liquefier is connected with the input of auxiliary gas-liquid separator, and an output of auxiliary gas-liquid separator is connected with another input of liquid chlorine storage tank; Another output of auxiliary gas-liquid separator is connected with the input of the decompressor of booster-type expansion unit, and the output of decompressor is connected with one end of the second cooling tube; The second cooling tube whole installation is inner at auxiliary chlorine liquefier, and the other end is connected with one end of the 3rd cooling tube; The 3rd cooling tube whole installation is inner at forecooler, and the other end is connected with the input of tail chlorine dispense station; Tail chlorine dispense station is provided with a plurality of user's incoming ends.
The 4th described cooling tube whole installation is inner at main chlorine liquefier, and one end is connected with the input of freezing unit, and the other end is connected with the output of freezing unit.
The beneficial effects of the utility model:
1, the utility model adopts turbine type chlorine gas compressor group to pressurize to chlorine, and its efficiency can reach 60%--80%, be 2 times of sulfuric acid liquid rotary pump, thereby energy-saving effect is remarkable, and saves sulfuric acid, avoids sulfate pollution product.
2, the utility model is got liquid chlorine with low-temp low-pressure legal system and is compared, chlorine is because pressure raises, and its critical condensing temperature rises to-15 ℃ by-25 ℃, thereby makes the refrigerator of same specification rise to air conditioning condition by worst cold case, its ability is enhanced about more than once, and energy-saving effect is very remarkable.
3, the tail chlorine swell refrigeration after the utility model adopts decompressor to liquefaction, makes can be recovered and do the energy in the chlorine of 0.1～0.5MPa, thereby realizes further energy-conservation.
4, the utility model is due to the recovery of energy in the raising of compressor efficiency, the raising of refrigerator efficiency and tail chlorine; the consumption of refrigerator refrigerant is reduced; thereby reduce A leak of liquefied ammonia and produce the danger that agene causes blast; or the destruction of minimizing freon to atmospheric ozone layer, the biological living environment of preserving our planet.
5, the utility model provides a kind of new method for the reducing energy consumption of existing low-temp low-pressure method or medium temperature and medium pressure legal system liquid chlorine device.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the system that a kind of freezing plavini carries out chlorine gas liquefaction comprises turbine type chlorine gas compressor group 1, booster-type expansion unit 2, the first cooling tube 3, braking cooler 4, forecooler 5, main chlorine liquefier 6, main gas-liquid separator 7, liquid chlorine storage tank 8, auxiliary chlorine liquefier 9, auxiliary gas-liquid separator 10, the second cooling tube 11, the 3rd cooling tube 12, tail chlorine dispense station 13, the 4th cooling tube 14 and freezing unit 15.
Booster-type expansion unit 2 comprises booster brake blower fan 2-1, decompressor 2-2 and power transmission shaft 2-3, between booster brake blower fan 2-1 and decompressor 2-2, by power transmission shaft 2-3, connects.
The open setting of input of turbine type chlorine gas compressor group 1, output is connected with the input of booster brake blower fan 2-1; Turbine type chlorine gas compressor group 1 is provided with compressor cooling water import a and compressor cooling water outlet b; The output of booster brake blower fan 2-1 is connected with one end of the first cooling tube 3; The first cooling tube whole installation is in braking cooler 4 inside, and the other end is connected with the input of forecooler 5; Braking cooler 4 is provided with cooler cooling water inlet c and cooler coolant outlet d; The output of forecooler 5 is connected with the input of main chlorine liquefier 6, and the output of main chlorine liquefier 6 is connected with the input of main gas-liquid separator 7; An output of main gas-liquid separator 7 is connected with an input of liquid chlorine storage tank 8, and another output is connected with the input of auxiliary chlorine liquefier 9; The output of auxiliary chlorine liquefier 9 is connected with the input of auxiliary gas-liquid separator 10, and an output of auxiliary gas-liquid separator is connected with another input of liquid chlorine storage tank 8; Another output of auxiliary gas-liquid separator 10 is connected with the input of the decompressor 2-2 of booster-type expansion unit, and the output of decompressor 2-2 is connected with one end of the second cooling tube 11; The second cooling tube 11 whole installations are in auxiliary chlorine liquefier 9 inside, and the other end is connected with one end of the 3rd cooling tube 12; The 3rd cooling tube 12 whole installations are in forecooler 5 inside, and the other end is connected with the input of tail chlorine dispense station 13; Tail chlorine dispense station 13 is provided with three user's incoming ends.
The 4th cooling tube 14 whole installations are in main chlorine liquefier 6 inside, and one end is connected with the input of freezing unit 15, and the other end is connected with the output of freezing unit 15.
This freezing plavini carries out the System Working Principle of chlorine gas liquefaction:
The raw material chlorine of 0.15～0.2MPa pressurizes and is cooled to the normal temperature chlorine of 0.5MPa through turbine type chlorine gas compressor group 1, then the booster brake blower fan 2-1 that enters booster-type expansion unit pressurizes again, and enter the cooling chlorine that makes of the first cooling tube 3 that is arranged on braking cooler 4 inside and recover normal temperature, but pressure further raises.Through forecooler 5, enter main chlorine liquefier 6 afterwards, the refrigerant of lowering the temperature through throttling isenthalpic expansion providing with freezing unit 15 carries out indirect heat exchange by the 4th cooling tube 14, the gas-liquid mixture of its generation is through main gas-liquid separator 7 separation, liquid chlorine enters liquid chlorine storage tank 8 and packs for liquid chlorine, the gas-liquid mixture that chlorine produces again through auxiliary chlorine liquefier 9 is through auxiliary gas-liquid separator 10 separation, liquid chlorine enters liquid chlorine storage tank 8 and packs for liquid chlorine, the decompressor 2-2 that chlorine enters booster-type expansion unit carries out constant entropy expansion, the interior energy discharging pass to the booster brake blower fan 2-1 of booster-type expansion unit through power transmission shaft 2-3.The cold producing that expands is carried and is entered the second cooling tube 11 by chlorine itself, carry out heat exchange with the chlorine through auxiliary chlorine liquefier 9, then enter the 3rd cooling tube 12, with through the chlorine of forecooler 5, carry out heat exchange, tail chlorine is risen again and to entering tail chlorine dispense station 13 after normal temperature, distributes to tail chlorine user.
Claims (1)
1. a freezing plavini carries out the system of chlorine gas liquefaction, comprise turbine type chlorine gas compressor group, booster-type expansion unit, the first cooling tube, braking cooler, forecooler, main chlorine liquefier, main gas-liquid separator, liquid chlorine storage tank, auxiliary chlorine liquefier, auxiliary gas-liquid separator, the second cooling tube, the 3rd cooling tube, tail chlorine dispense station, the 4th cooling tube and freezing unit, it is characterized in that:
Described booster-type expansion unit comprises booster brake blower fan, decompressor and power transmission shaft, between booster brake blower fan and decompressor, by power transmission shaft, connects;
The open setting of input of described turbine type chlorine gas compressor group, output is connected with the input of booster brake blower fan; Turbine type chlorine gas compressor group is provided with compressor cooling water import and compressor cooling water outlet; The output of booster brake blower fan is connected with one end of the first cooling tube; The first cooling tube whole installation is inner at braking cooler, and the other end is connected with the input of forecooler; Braking cooler is provided with cooler cooling water inlet and cooler coolant outlet; The output of forecooler is connected with the input of main chlorine liquefier, and the output of main chlorine liquefier is connected with the input of main gas-liquid separator; An output of main gas-liquid separator is connected with an input of liquid chlorine storage tank, and another output is connected with the input of auxiliary chlorine liquefier; The output of auxiliary chlorine liquefier is connected with the input of auxiliary gas-liquid separator, and an output of auxiliary gas-liquid separator is connected with another input of liquid chlorine storage tank; Another output of auxiliary gas-liquid separator is connected with the input of the decompressor of booster-type expansion unit, and the output of decompressor is connected with one end of the second cooling tube; The second cooling tube whole installation is inner at auxiliary chlorine liquefier, and the other end is connected with one end of the 3rd cooling tube; The 3rd cooling tube whole installation is inner at forecooler, and the other end is connected with the input of tail chlorine dispense station; Tail chlorine dispense station is provided with a plurality of user's incoming ends;
The 4th described cooling tube whole installation is inner at main chlorine liquefier, and one end is connected with the input of freezing unit, and the other end is connected with the output of freezing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320446851.XU CN203413919U (en) | 2013-07-25 | 2013-07-25 | System for liquefying chlorine by frozen expansion method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320446851.XU CN203413919U (en) | 2013-07-25 | 2013-07-25 | System for liquefying chlorine by frozen expansion method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413919U true CN203413919U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320446851.XU Expired - Lifetime CN203413919U (en) | 2013-07-25 | 2013-07-25 | System for liquefying chlorine by frozen expansion method |
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| Country | Link |
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| CN (1) | CN203413919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564621A (en) * | 2021-06-15 | 2021-10-29 | 洛阳双瑞万基钛业有限公司 | Tail chlorine treatment device and treatment method for titanium sponge full-flow production |
-
2013
- 2013-07-25 CN CN201320446851.XU patent/CN203413919U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564621A (en) * | 2021-06-15 | 2021-10-29 | 洛阳双瑞万基钛业有限公司 | Tail chlorine treatment device and treatment method for titanium sponge full-flow production |
| CN113564621B (en) * | 2021-06-15 | 2023-12-15 | 洛阳双瑞万基钛业有限公司 | Tail chlorine treatment device and method for whole-flow production of titanium sponge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of freezing plavini carries out the system of chlorine gas liquefaction Effective date of registration: 20140822 Granted publication date: 20140129 Pledgee: Zhang Jie Pledgor: Hangzhou Qiushi Turbine Manufacturing Co. Ltd., Zhou Guoqiang, Zhou Yin Registration number: 2014330000027 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20171207 Granted publication date: 20140129 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20191207 Granted publication date: 20140129 |