CN203572142U - Argon recycling device - Google Patents
Argon recycling device Download PDFInfo
- Publication number
- CN203572142U CN203572142U CN201320775849.7U CN201320775849U CN203572142U CN 203572142 U CN203572142 U CN 203572142U CN 201320775849 U CN201320775849 U CN 201320775849U CN 203572142 U CN203572142 U CN 203572142U
- Authority
- CN
- China
- Prior art keywords
- dividing plate
- argon
- heat exchange
- working space
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Separation By Low-Temperature Treatments (AREA)
Abstract
The utility model relates to an argon recycling device which is used for an air separation equipment system. According to the argon recycling device, a separation plate is fixedly arranged in a shell; the separation plate is divided into an upper-layer separation plate and a lower-layer separation plate, wherein the upper-layer separation plate and the lower-layer separation plate are arranged up and down; one end of a heat exchange unit is fixedly arranged on the upper-layer separation plate and the other end of the heat exchange unit is fixedly arranged on the lower-layer separation plate; a first working space is defined by the inner wall of the shell, an upper plate surface of the upper-layer separation plate, a lower plate surface of the lower-layer separation plate and the inner wall of a heat exchange channel of the heat exchange unit; a second working space is defined by the inner wall of the shell, the lower plate surface of the upper-layer separation plate, the upper plate surface of the lower-layer separation plate and the outer wall of the heat exchange channel of the heat exchange unit; an argon inlet pipe is communicated with the upper part of the first working space; a liquid argon outlet pipe is communicated with the lower part of the first working space; a nitrogen outlet pipe and a liquid nitrogen inlet pipe are communicated with the second working space. According to the argon recycling device, gasified argon from the storage groove can be condensed and liquefied by the liquid nitrogen of the device; the liquid nitrogen can be returned to the storage groove and the recycling efficiency is high.
Description
Technical field
The utility model relates to a kind of argon gas recover, in the middle of air separation plant system.
Background technology
Argon gas can extract from air and synthetic ammonia tailgas.In air separation unit, extract argon gas, had more than 80 year history, after the sixties in last century, along with the foundation of large-scale full low pressure air separation unit, the development of producing for argon gas provides the foundation.At present, from air separation unit, by-product argon gas has become the main method of producing argon gas.But along with the maximization of ammonia synthesizing industry, utilize synthetic ammonia tailgas to carry argon also at increase year after year, technical-economic index is also in continuous improvement.From the tail gas of 1000-1500t/d synthetic ammonia installation, carry the cost of argon not higher than carry argon from air separation unit.Therefore, from synthetic ammonia tailgas, carry argon and day by day come into one's own, also will become the main path that extracts argon gas.In addition,, in adopting the production of scrubbing with liquid nitrogen method decontaminating syngas, also can from carbon monoxide-nitrogen cut of nitrogen cleaning device, extract argon gas.
Along with the maximization of air separation unit scale, the full rectifying argon producing system of the general equal select tape of user maximizes the returns of investment of air separation plant.Although there is fluctuation in the market of argon gas product, but steadily increasing, argon producing system is the system of the outbalance outside deoxygenation nitrogen major product in air separation unit and more and more coming into one's own.
Because the evaporation rate of its liquid of heat exchange of cryogenic tank and natural environment is every day 0.3%, if these low temperature argon gas are all discharged, can cause very large economic loss.
Development along with China's modern industry and society, produce and live the demand of argon gas is increased day by day, no matter while argon gas is personal still as international sale as producing, there is good price advantage, this makes gas generation producer more and more pay attention to the potentiality of excavating equipment, improve to greatest extent Argon recovery rate, reclaim and liquid argon of this part of vaporization of liquefying and then realize its using value, there is economy and feasibility.
Domestic and international many air separation unit suppliers have started to pay close attention to the waste gas recovery of liquid argon storage tank at present, and low-temperature receiver is generally selected liquid nitrogen, and the source of liquid nitrogen generally has two kinds, adopts self liquid nitrogen or outsourcing liquid nitrogen.In general mainly contain two kinds of techniques, a kind of is that ice chest is arranged outward, and insulation arranges separately, adopts liquid nitrogen liquefaction argon gas; A kind of is to adopt to be placed in empty minute ice chest, then adopts self liquid nitrogen liquefaction argon gas, and low temperature nitrogen reclaims.Compare the first technique, the second is more energy-conservation, applies also comparatively extensive.Therefore reclaim the interior argon gas of storage tank the recycling that liquefied and compare the direct emptying of gaseous state, there is better economy.
Argon gas recover is one of supporting visual plant of large-scale space division device, and it is to adopt the liquid nitrogen of device self to carry out condensation liquefaction the argon gas of the vaporization from storage tank, and then gets back to storage tank.Its carrier is aluminum plate-fin type heat exchange unit.The argon gas organic efficiency of the argon gas recover of prior art still has much room for improvement.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and a kind of reasonable in design, argon gas recover that organic efficiency is high are provided.
The technical scheme in the invention for solving the above technical problem is: a kind of argon gas recover, comprises cylindrical shell, heat exchange unit, top end socket, bottom head; Cylindrical shell, top end socket, bottom head form housing, and top end socket is fixed on cylindrical shell top, and by cylindrical shell top seal, bottom head is fixed on cylinder body bottom, and cylinder body bottom is sealed; Heat exchange unit is arranged in the sealed cavity of housing; On housing, be connected with that argon gas inlet pipe, liquid argon go out pipe, nitrogen goes out pipe and liquid nitrogen inlet pipe; It is characterized in that: also comprise that dividing plate, dividing plate are fixed in housing, dividing plate is divided into upper strata dividing plate and lower floor's dividing plate, and upper strata dividing plate and lower floor's dividing plate are setting up and down; Heat exchange unit one end is fixed on the dividing plate of upper strata, and the other end is fixed on lower floor's dividing plate; The heat exchanger channels inwall of inner walls, upper strata dividing plate upper face, lower floor's dividing plate lower face, heat exchange unit surrounds the first working space; The heat exchanger channels outer wall of inner walls, upper strata dividing plate lower face, lower floor's dividing plate upper face, heat exchange unit surrounds the second working space; Described argon gas inlet pipe communicates with the top of the first working space; Described liquid argon goes out pipe and communicates with the bottom of the first working space; Described nitrogen goes out pipe and liquid nitrogen inlet pipe communicates with the second working space.
The utility model connects described argon gas inlet pipe on the end socket of top, connects described liquid argon and go out pipe on bottom head, connects described nitrogen and go out pipe and liquid nitrogen inlet pipe on cylindrical shell.
The utility model goes out on pipe, nitrogen to be installed and control valve at described nitrogen, on described liquid nitrogen inlet pipe, liquid nitrogen is installed and enters control valve, on the second described working space, be connected with safety valve, at described liquid argon, go out on pipe, liquid argon product to be installed and control valve.
The utility model is provided with liquid level gauge and pressure gauge on the second described working space, in the bottom of the first described working space, is provided with liquid level gauge No. two.
Heat exchange unit described in the utility model is aluminum plate-fin type heat exchange unit.
The utility model compared with prior art, has the following advantages and effect: can adopt the liquid nitrogen of device self to carry out condensation liquefaction the argon gas of the vaporization from storage tank, liquid argon can return storage tank, and organic efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Referring to Fig. 1, the utility model embodiment comprises cylindrical shell 1, dividing plate, heat exchange unit 3, top end socket 4, bottom head 5.
Cylindrical shell 1, top end socket 4, bottom head 5 form housing, and housing plays the effect that medium evaporation or condensation space are provided.Top end socket 4 is fixed on cylindrical shell 1 top, by cylindrical shell 1 top seal.Bottom head 5 is fixed on cylindrical shell 1 bottom, by cylindrical shell 1 sealed bottom.
Dividing plate is fixed in housing.Dividing plate is divided into upper strata dividing plate 21He lower floor dividing plate 22, and upper strata dividing plate 21He lower floor dividing plate 22 is setting up and down.
Heat exchange unit 3 is arranged in the sealed cavity of housing, and one end is fixed on upper strata dividing plate 21, and the other end is fixed on lower floor's dividing plate 22.Membrane support heat exchange unit 3.Heat exchange unit 3 is aluminum plate-fin type heat exchange unit.Heat exchange unit 3 is the carrier of argon gas liquefaction, liquid nitrogen vaporization.
The heat exchanger channels inwall of inner walls, upper strata dividing plate 21 upper faces, lower floor's dividing plate 22 lower faces, heat exchange unit 3 surrounds the first working space 6, the first working spaces 6 for the space of argon gas liquefaction.
The heat exchanger channels outer wall of inner walls, upper strata dividing plate 21 lower faces, lower floor's dividing plate 22 upper faces, heat exchange unit 3 surrounds the space that the second working space 7, the second working spaces 7 are liquid nitrogen vaporization.
On top end socket 4, be connected with argon gas inlet pipe 8, argon gas inlet pipe 8 communicates with the top of the first working space 6.On bottom head 5, be connected with liquid argon and go out pipe 9, liquid argon goes out pipe 9 and communicates with the bottom of the first working space 6.On cylindrical shell 1, be connected with nitrogen and go out pipe 10 and liquid nitrogen inlet pipe 11, nitrogen goes out pipe 10 and liquid nitrogen inlet pipe 11 communicates with the second working space 7.
At nitrogen, go out on pipe 10, nitrogen to be installed and control valve V1.Liquid nitrogen is installed on liquid nitrogen inlet pipe 11 and enters control valve V2.On the second working space 7, be connected with safety valve V3.At liquid argon, go out on pipe 9, liquid argon product to be installed and control valve V4.
On the second working space 7, be provided with liquid level gauge LIC001 and pressure gauge PIC001.In the bottom of the first working space 6, be provided with No. two liquid level gauge LIC002.
Medium work loop:
(1) the argon gas liquefaction course of work: argon gas is from liquid argon storage tank, in saturated mode or the little argon gas of the degree of superheat, by argon gas inlet pipe 8, enter case top, enter the first working space 6, be full of the ar gas passage side of heat exchange unit 3, because liquid nitrogen side temperature is lower, the temperature difference of evaporation side and condensation side is larger, so argon gas starts condensation in heat exchange unit 3 argon gas sides, drop collects in housing bottom gradually, becomes liquid argon, and liquid argon can go out pipe 9 by liquid argon and discharge.
(2) the liquid nitrogen vaporization course of work: liquid nitrogen is from lower top of tower, through choke valve throttling to lower pressure, by liquid nitrogen inlet pipe 11, enter the second working space 7, liquid nitrogen enters heat exchange unit 3 by the flow deflector of bottom, carry out heat exchange with argon gas, after evaporation, nitrogen goes out from top flow deflector, enters the first working space 6.
Loop control logic:
(I) liquid nitrogen enters control valve V2 by the aperture of the indicated fluid level control valve door of liquid level gauge LIC001, and when liquid level is low, liquid nitrogen enters control valve V2 aperture and opens greatly; When liquid level is high, liquid nitrogen enters control valve V2 aperture and turns down.
(II) nitrogen goes out control valve V1 by the aperture of the indicated pressure control valve of pressure gauge PIC001, when pressure is high, opens large nitrogen and goes out control valve V1, when pressure is low, turns down nitrogen and goes out control valve V1.
(III) safety valve V3 set-pressure is 1.8barA, as the safeguard protection of nitrogen side.
(IV) liquid argon product goes out control valve V4 to be controlled it by No. two liquid level gauge LIC002, when liquid level is high, opens large liquid argon product and goes out control valve V4, when liquid level is low, turns down liquid argon product and goes out control valve V4.Housing bottom is arranged to residual liquid discharge simultaneously.
The gentle argon side of (V) heat exchange unit 3 liquid nitrogen side is equipped with thermometer, and both differences are heat exchange unit 3 heat transfer temperature differences.
In addition, it should be noted that, the specific embodiment described in this description, the shape of its parts and components, institute's title of being named etc. can be different, and the above content described in this description is only to the explanation of the utility model structure example.
Claims (5)
1. an argon gas recover, comprises cylindrical shell, heat exchange unit, top end socket, bottom head; Cylindrical shell, top end socket, bottom head form housing, and top end socket is fixed on cylindrical shell top, and by cylindrical shell top seal, bottom head is fixed on cylinder body bottom, and cylinder body bottom is sealed; Heat exchange unit is arranged in the sealed cavity of housing; On housing, be connected with that argon gas inlet pipe, liquid argon go out pipe, nitrogen goes out pipe and liquid nitrogen inlet pipe; It is characterized in that: also comprise that dividing plate, dividing plate are fixed in housing, dividing plate is divided into upper strata dividing plate and lower floor's dividing plate, and upper strata dividing plate and lower floor's dividing plate are setting up and down; Heat exchange unit one end is fixed on the dividing plate of upper strata, and the other end is fixed on lower floor's dividing plate; The heat exchanger channels inwall of inner walls, upper strata dividing plate upper face, lower floor's dividing plate lower face, heat exchange unit surrounds the first working space; The heat exchanger channels outer wall of inner walls, upper strata dividing plate lower face, lower floor's dividing plate upper face, heat exchange unit surrounds the second working space; Described argon gas inlet pipe communicates with the top of the first working space; Described liquid argon goes out pipe and communicates with the bottom of the first working space; Described nitrogen goes out pipe and liquid nitrogen inlet pipe communicates with the second working space.
2. argon gas recover according to claim 1, is characterized in that: on the end socket of top, connect described argon gas inlet pipe, connect described liquid argon and go out pipe on bottom head, connect described nitrogen and go out pipe and liquid nitrogen inlet pipe on cylindrical shell.
3. argon gas recover according to claim 1, it is characterized in that: at described nitrogen, go out on pipe, nitrogen to be installed and control valve, on described liquid nitrogen inlet pipe, liquid nitrogen is installed and enters control valve, on the second described working space, be connected with safety valve, at described liquid argon, go out on pipe, liquid argon product to be installed and control valve.
4. argon gas recover according to claim 1, is characterized in that: on the second described working space, be provided with liquid level gauge and pressure gauge, in the bottom of the first described working space, be provided with liquid level gauge No. two.
5. argon gas recover according to claim 1, is characterized in that: described heat exchange unit is aluminum plate-fin type heat exchange unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775849.7U CN203572142U (en) | 2013-12-02 | 2013-12-02 | Argon recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775849.7U CN203572142U (en) | 2013-12-02 | 2013-12-02 | Argon recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203572142U true CN203572142U (en) | 2014-04-30 |
Family
ID=50539870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775849.7U Expired - Fee Related CN203572142U (en) | 2013-12-02 | 2013-12-02 | Argon recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203572142U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142044A (en) * | 2014-08-06 | 2014-11-12 | 杭州杭氧股份有限公司 | Modular argon recovery liquefier and argon recovery method |
| CN109425197A (en) * | 2017-08-26 | 2019-03-05 | 镇江严彦气体有限公司 | A kind of argon gas recover device |
-
2013
- 2013-12-02 CN CN201320775849.7U patent/CN203572142U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142044A (en) * | 2014-08-06 | 2014-11-12 | 杭州杭氧股份有限公司 | Modular argon recovery liquefier and argon recovery method |
| CN109425197A (en) * | 2017-08-26 | 2019-03-05 | 镇江严彦气体有限公司 | A kind of argon gas recover device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104061757B (en) | A kind of liquid oxygen and liquid nitrogen device for making and method | |
| CN202254637U (en) | Gas deep-cooling separated liquefying device for methanated coal gas | |
| CN102374754B (en) | The Apparatus and method for of liquified natural gas and carbon monoxide is produced from coke-stove gas | |
| CN104154416B (en) | A kind of ice-reserving method and device of utilizing cold energy of liquefied natural gas with atmospheric tower | |
| CN202675796U (en) | Device utilizing liquefied Natural Gas (LNG) cold energy to produce liquid air separation products | |
| CN203572142U (en) | Argon recycling device | |
| CN204006965U (en) | A kind of liquid oxygen and liquid nitrogen device for making | |
| CN203534058U (en) | Liquid argon storage groove gasified argon recovery device | |
| CN103697661B (en) | The device and method of liquefied natural gas and rich hydrogen production is produced from coke-stove gas | |
| CN104986734A (en) | Synthesis ammonia and synthesis gas self-circulation cryogenic separation purifying device and purifying method thereof | |
| CN108952861A (en) | The device and method of hydrogen boosting bed recovery waste heat power generation in the working medium that liquefies | |
| CN104251600A (en) | Liquid nitrogen washing device | |
| CN202382518U (en) | Device for washing and purifying synthesis gas with liquid nitrogen and cryogenically separating and recovering LNG (liquefied natural gas) | |
| CN201692683U (en) | Device for recovering gaseous methane from membrane hydrogen extraction tail gas | |
| CN108224900A (en) | A kind of oxygen nitrogen and argon piece-rate system using cold energy of liquefied natural gas | |
| CN102653692A (en) | Method for preparing liquefied natural gas from coke oven gas | |
| CN103773529B (en) | Pry-mounted associated gas liquefaction system | |
| CN103925771A (en) | Process for manufacturing methane | |
| CN204387683U (en) | A kind of LNG stores supplier | |
| CN103288085A (en) | Dry ice generator using cold energy produced in vaporization of cryogenic liquid | |
| CN203487118U (en) | Device for recovering tail gas to prepare liquefied natural gas | |
| CN201387202Y (en) | Air separation system capable of efficiently utilizing cold energy of liquefied natural gas | |
| CN103754894A (en) | Novel method for recycling ammonia synthesis cold energy in synthetic ammonia system | |
| CN202648306U (en) | Air separating device | |
| CN212269471U (en) | Synthetic ammonia separation tower unit for liquefied natural gas production system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 312400, Shaoxing, Zhejiang, Shengzhou Pukou street, 288 South Avenue, west two floor Patentee after: Zoko Energy Equipment Co., Ltd. Address before: 310051, room 1509, No. 2401 bin Sheng Road, Hangzhou, Zhejiang, Binjiang District Patentee before: Zoko Energy Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20171202 |