CN104729950B - A kind of ammoniacal liquor apparatus for measuring concentration - Google Patents
A kind of ammoniacal liquor apparatus for measuring concentration Download PDFInfo
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- CN104729950B CN104729950B CN201510089748.8A CN201510089748A CN104729950B CN 104729950 B CN104729950 B CN 104729950B CN 201510089748 A CN201510089748 A CN 201510089748A CN 104729950 B CN104729950 B CN 104729950B
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- ammoniacal liquor
- senke
- heating tank
- receivers
- tank
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Abstract
A kind of ammoniacal liquor apparatus for measuring concentration, including fixed clamp system, Li Senke receivers, heating circulation system, depressurizing system and controller, wherein fixed clamp system is used to be fixed on Li Senke receivers in heating circulation system, depressurizing system is connected with Li Senke receivers, and controller is connected with the resistance heater in heating circulation system and depressurizing system, water circulating pump, temperature sensor, pressure sensor and vavuum pump by circuit respectively.Apparatus of the present invention can on-site rapid measurement ammoniacal liquor concentration, measurement not receive environment temperature, seasonal effect, ammoniacal liquor concentration value can be measured within time rating.
Description
Technical field
The invention belongs to ammonia density inspection field of measuring technique, and in particular to a kind of ammoniacal liquor apparatus for measuring concentration.
Background technology
Liquefied ammonia excellent refrigerant as a kind of economy of freezer, is used by most of freezers.Ammonia has well
Water imbibition, even if water will not also be separated out and freezed from ammoniacal liquor at low temperature, therefore will not occur " ice berg " phenomenon in system.Ammoniacal liquor
In containing after moisture, have corrosiveness to copper and copper alloy, and evaporating temperature is slightly improved.Therefore, in ammonia refrigerating installation not
0.2% can be not to be exceeded using water content in copper and Cu alloy material, and regulation ammonia, liquefied ammonia of the water content more than 0.2% is to certain
A little steel can produce stress corrosion, have a strong impact on the service life of steel systeming equipment.Liquefied ammonia concentration is the equipment for influenceing bed rearrangement freezer
One heavy factor of safe operation, national special safety equipment specification TSG R7001-2013《Pressure vessel periodic inspection rule》Rule
The liquefied ammonia concentration for determining freezer must be detected once every year.
At present, ammoniacal liquor measurement of concetration is essentially according to standard GB/T/T8570-2010《Assay method of the liquid without ammonia》Enter
Row test, the method, when ammoniacal liquor evaporating completely is complete, then determines remaining raffinate using the principle of ammoniacal liquor natural evaporation under normal temperature
Weight calculates ammoniacal liquor concentration.The method is easily influenced by ambient temperature, and when in winter low-temperature environment, testing efficiency is extremely low.
The content of the invention
In order to overcome existing ammoniacal liquor concentration measurement equipment measuring speed slow, by the big problem of environment, seasonal effect, this hair
It is bright there is provided a kind of simple structure, design and low cost of manufacture, can quickly measure the device of ammoniacal liquor concentration.
The present invention is realized especially by following technical scheme：
A kind of ammoniacal liquor apparatus for measuring concentration, including fixed clamp system, Li Senke receivers, heating circulation system, step-down
System and controller, wherein described fixed clamp system includes support and cantilever, described heating circulation system includes heating
Tank, water circulating pump, resistance heater, temperature sensor, the Li Senke receivers are fixed on heating tank vertically by cantilever
Interior center, described heating tank, water circulating pump and resistance heater are fixed on by placed in series, described temperature sensor
Near heating tank top end；Described depressurizing system includes vacuum tank, vavuum pump, pressure sensor, and described vacuum tank passes through
Pipeline is connected with Li Senke receivers, and described pressure sensor and vavuum pump is connected at the tank mouth of vacuum tank；Described control
Device processed is connected with resistance heater, water circulating pump, temperature sensor, pressure sensor and vavuum pump by circuit respectively.
Support in described fixed clamp system is fixed on heating upper end by screw, and cantilever is provided with fixture, uses
In fixed Li Senke receivers.
Described heating tank is provided with water inlet and delivery port, and water inlet is located at heating pot bottom, and delivery port is located at heating tank
Top.
Described heating tank is completely covered built with water, and temperature sensor by water.
Absolute pressure scope is 10000-30000Pa in described vacuum tank.
The operation principle of apparatus of the present invention is：Solubility of the ammonia in water is very sensitive to temperature and air pressure, the dissolving of ammonia
Degree is quickly reduced with the rising of temperature and the reduction of air pressure；The present invention using artificial heating ammoniacal liquor and reduces ammoniacal liquor air pressure
Method, accelerates ammonia and water separating rate, quickly measures the concentration of ammonia.
Beneficial effects of the present invention are：1) can on-site rapid measurement ammoniacal liquor concentration；2) environment temperature, season shadow are not received in measurement
Ring, ammoniacal liquor concentration value can be measured within time rating；3) for freezer enterprise control liquefied ammonia concentration carries out monitoring, A leak of liquefied ammonia is reduced
Accident, extension freezer service life.
Brief description of the drawings
Fig. 1 is the structural representation of apparatus of the present invention；
Explanation is indicated in accompanying drawing：1 resistance heater, 2 water circulating pumps, 3 heating tanks, 4 temperature sensors, 5 supports, 6 hang
Arm, 7 Li Senke receivers, 8 vacuum tanks, 9 pressure sensors, 10 vavuum pumps, 11 controllers.
Specific embodiment
Ammoniacal liquor apparatus for measuring concentration of the present invention is made further explanation and description with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of ammoniacal liquor apparatus for measuring concentration, including fixed clamp system, Li Senke receivers 7, heating are followed
Loop systems, depressurizing system and controller 11.
Wherein fixed clamp system includes support 5 and cantilever 6, and heating circulation system includes resistance heater 1, recirculated water
Pump 2, heating tank 3, temperature sensor 4, support 5 are fixed on the top of heating tank 3 by screw, and cantilever 6 is provided with fixture, Li Senke
Receiver 7 is fixed on cross section center, resistance heater 1, water circulating pump 2 in heating tank 3 vertically by the fixture on cantilever 6
Contacted by pipeline with heating tank 3, temperature sensor 4 is fixed near the top end of heating tank 3, and heating tank 3 is built with water, and temperature
Degree sensor 4 is completely covered by water, and heating tank 3 is provided with water inlet and delivery port, and water inlet is located at the bottom of heating tank 3, delivery port
Positioned at the top of heating tank 3.
Depressurizing system includes vacuum tank 8, pressure sensor 9, vavuum pump 10, and vacuum tank 8 is born by pipeline with Li Senke
Device 7 is connected, and absolute pressure scope is 10000-30000Pa in vacuum tank 8, and pressure sensor 9 and vavuum pump 10 are connected to vacuum
At the tank mouth of tank 8.
Controller 11 respectively with resistance heater 1, water circulating pump 2, temperature sensor 4, pressure sensor 9 and vavuum pump
10 are connected by circuit.
The specific application method of apparatus of the present invention is：
1) operating personnel wear protective device, and ammoniacal liquor is taken out from ammoniacal liquor holding vessel, are put into Li Senke receivers, and write down
Total measurement (volume) L1, L1 × density p=quality G1；
2) Li Senke receivers are loaded into fixed clamp system, Li Senke receivers mouth connects vacuum pipe, and open with
Connected vacuum tank valve；
3) vavuum pump is opened, the vacuum of Li Senke receivers is remained 20000 ± 50
Pa；
4) opening resistor silk heater, begins to warm up；
5) hot water circulating pump is opened, the temperature of Li Senke receivers is remained 40 ± 2 DEG C；
6) ammoniacal liquor evaporates in Li Senke receivers, closes down resistance heater, closes down hot water circulating pump；
7) Li Senke receiver scales are observed, raffinate volume L2 is write down, claims to obtain quality G2；
8) ammoniacal liquor concentration (η=(G1-G2)/G1) is calculated.
The principle of the present apparatus is that solubility of the ammonia in water is very sensitive to temperature, and the rising of the solubility with temperature of ammonia is fast
Prompt drop is low, using the method for artificial heating ammoniacal liquor, accelerates ammonia and water separating rate, quickly measures the concentration of ammonia；Ammonia is in water
Solubility is very sensitive to air pressure, and the solubility of ammonia is reduced rapidly with the reduction of air pressure, using the artificial side for reducing ammoniacal liquor air pressure
Method, accelerates ammonia and water separating rate, quickly measures the concentration of ammonia.
Embodiment described above is further illustrated to of the invention, and the limitation of other forms is not done to the present invention,
The present invention can also have other various embodiments, in the case of without departing substantially from spirit of the invention and its essence, be familiar with the skill of this area
Art personnel can make various corresponding changes and deformation according to the present invention, but these corresponding changes and deformation should all belong to this hair
Bright scope of the claims.
Claims (5)
1. a kind of ammoniacal liquor apparatus for measuring concentration, including fixed clamp system, Li Senke receivers (7), heating circulation system, step-down
System and controller (11), it is characterised in that：
Described fixed clamp system includes support (5) and cantilever (6), and described heating circulation system includes resistance heater
(1), water circulating pump (2), heating tank (3), temperature sensor (4), the Li Senke receivers (7) are solid vertically by cantilever (6)
Central, described resistance heater (1), water circulating pump (2) and heating tank (3) is scheduled in heating tank (3) to be contacted by pipeline,
Described temperature sensor (4) is fixed near heating tank (3) top end；
Described depressurizing system includes vacuum tank (8), pressure sensor (9), vavuum pump (10), and described vacuum tank (8) passes through
Pipeline is connected with Li Senke receivers (7), and described pressure sensor (9) and vavuum pump (10) is connected to the tank of vacuum tank (8)
At mouthful；
Described controller (11) respectively with resistance heater (1), water circulating pump (2), temperature sensor (4), pressure sensing
Device (9) and vavuum pump (10) are connected by circuit.
2. a kind of ammoniacal liquor apparatus for measuring concentration according to claim 1, it is characterised in that：Described support (5) is by spiral shell
Nail is fixed on heating tank (3) top, and cantilever (6) is provided with fixture, for fixing Li Senke receivers (7).
3. a kind of ammoniacal liquor apparatus for measuring concentration according to claim 1, it is characterised in that：Described heating tank (3) is provided with
Water inlet and delivery port, water inlet are located at heating tank (3) bottom, and delivery port is located at heating tank (3) top.
4. a kind of ammoniacal liquor apparatus for measuring concentration according to claim 3, it is characterised in that：Described heating tank (3) is built-in
There is water, and temperature sensor (4) is completely covered by water.
5. a kind of ammoniacal liquor apparatus for measuring concentration according to claim 1, it is characterised in that：In described vacuum tank (8) absolutely
It is 10000-30000Pa to pressure limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510089748.8A CN104729950B (en) | 2015-02-27 | 2015-02-27 | A kind of ammoniacal liquor apparatus for measuring concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510089748.8A CN104729950B (en) | 2015-02-27 | 2015-02-27 | A kind of ammoniacal liquor apparatus for measuring concentration |
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| Publication Number | Publication Date |
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| CN104729950A CN104729950A (en) | 2015-06-24 |
| CN104729950B true CN104729950B (en) | 2017-06-23 |
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| CN201510089748.8A Expired - Fee Related CN104729950B (en) | 2015-02-27 | 2015-02-27 | A kind of ammoniacal liquor apparatus for measuring concentration |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443708B (en) * | 2018-03-16 | 2020-05-05 | 石河子天域新实化工有限公司 | Liquid ammonia security control method |
| CN110680286A (en) * | 2019-10-29 | 2020-01-14 | 上海交通大学 | Portable uterine contraction monitor and auxiliary analysis and diagnosis method thereof |
| CN111398086A (en) * | 2020-04-02 | 2020-07-10 | 台州龙江化工机械科技有限公司 | Liquid ammonia water content measuring device and measuring method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2583661Y (en) * | 2002-06-18 | 2003-10-29 | 王昕� | Fast determination apparatus for dry matter content of liquid milk |
| CN101477015A (en) * | 2008-11-18 | 2009-07-08 | 扬州市邗江神珠电子器材厂 | Method and apparatus for rapidly measuring mercury quantity in amalgam |
| CN102507911A (en) * | 2011-12-14 | 2012-06-20 | 南京信息工程大学 | Method and device for detecting content of liquid ammonia in rubber latex |
| CN103033438A (en) * | 2012-11-21 | 2013-04-10 | 苏州金宏气体股份有限公司 | Method for detecting content of total nonvolatile matters in high-purity and ultra-pure ammonia |
| CN103558116A (en) * | 2013-11-21 | 2014-02-05 | 李耀文 | Method for determining concentration of ammonium chloride liquid ammonia solution |
| CN204514746U (en) * | 2015-02-27 | 2015-07-29 | 杭州市特种设备检测研究院 | A kind of ammoniacal liquor apparatus for measuring concentration |
-
2015
- 2015-02-27 CN CN201510089748.8A patent/CN104729950B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2583661Y (en) * | 2002-06-18 | 2003-10-29 | 王昕� | Fast determination apparatus for dry matter content of liquid milk |
| CN101477015A (en) * | 2008-11-18 | 2009-07-08 | 扬州市邗江神珠电子器材厂 | Method and apparatus for rapidly measuring mercury quantity in amalgam |
| CN102507911A (en) * | 2011-12-14 | 2012-06-20 | 南京信息工程大学 | Method and device for detecting content of liquid ammonia in rubber latex |
| CN103033438A (en) * | 2012-11-21 | 2013-04-10 | 苏州金宏气体股份有限公司 | Method for detecting content of total nonvolatile matters in high-purity and ultra-pure ammonia |
| CN103558116A (en) * | 2013-11-21 | 2014-02-05 | 李耀文 | Method for determining concentration of ammonium chloride liquid ammonia solution |
| CN204514746U (en) * | 2015-02-27 | 2015-07-29 | 杭州市特种设备检测研究院 | A kind of ammoniacal liquor apparatus for measuring concentration |
Non-Patent Citations (3)
| Title |
|---|
| 一种简便的液体无水氨中水分的测定方法—气相色谱法;单晓萍等;《低温与特气》;20141231;第32卷(第6期);第43-44页 * |
| 关于GB/T 8570.4-2010液体无水氨残留物含量测定的改进;林育红等;《中国石油和化工标准与质量》;20110601(第6期);第21,28页 * |
| 液氨分析采样器的设计与应用;王晓丹等;《化肥工业》;20120430;第39卷(第4期);第40-42页 * |
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