CN105445410A - Kjeldahl apparatus condensation device - Google Patents
Kjeldahl apparatus condensation device Download PDFInfo
- Publication number
- CN105445410A CN105445410A CN201510939775.XA CN201510939775A CN105445410A CN 105445410 A CN105445410 A CN 105445410A CN 201510939775 A CN201510939775 A CN 201510939775A CN 105445410 A CN105445410 A CN 105445410A
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- Prior art keywords
- container
- heat
- exchange tube
- cooling water
- heat exchanger
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/002—Determining nitrogen by transformation into ammonia, e.g. KJELDAHL method
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a Kjeldahl apparatus condensation device, and belongs to the technical field of heat treatment. The condensation device comprises a first heat exchanger, the first heat exchanger comprises a first container and a first heat exchange tube arranged in the first container, the first heat exchange tube is provided with a gas inlet and a liquid outlet, the first container is connected with a cooling water circulation branch, the condensation device also comprises a controller, the liquid outlet of the first heat exchange tube is provided with a temperature sensor, a first solenoid valve and a flow sensor are arranged in the cooling water circulation branch, the temperature sensor is used for measuring the temperature of a discharged liquid and providing the temperature information for the controller, the flow sensor is used for measuring the flow amount of cooling water and providing the flow amount information for the controller, and the controller controls the rotating amount of the first solenoid valve according to the temperature information and the flow amount information. The condensation device provided by the invention can recycle cooling water, so the water resource and energy are saved.
Description
Technical field
The present invention relates to a kind of kjeldahl apparatus condensing unit, particularly relate to a kind of condensation time and extend, cooling velocity is fast, and the device of good cooling results, belongs to nitrogen and protein content detection technique field.
Background technology
The most frequently used method of protein determination is Kjeldahl's method, it be measure total organic nitrogen the most accurately and one of the easiest method of operation, application is general.Its principle is that make breaks down proteins, the ammonia of decomposition is combined with sulfuric acid and generates ammonium sulfate by sample and sulfuric acid and catalyzer together hot digestion.Then distillation of alkalizing makes ammonia dissociate, and again with sulfuric acid or hydrochloric acid standard solution titration after absorbing, is multiplied by reduction coefficient calculates protein content according to the consumption of acid with boric acid.Condensing unit is the requisite part of kjeldahl apparatus, and its condensation effect directly affects the quality of azotometer.Fig. 1 is existing azotometer condensing unit, it comprises glass shell 1, the heat exchanger 2 be arranged in glass shell 1, wherein, comprise glass shell 1 and be provided with condensate water water inlet 6 and condensate water water delivering orifice 5, heat exchanger 2 is provided with ammonia air intake opening 3 and ammoniacal liquor liquid outlet 4.The azotometer condensing unit that prior art provides, be glass shell due to what adopt, it is frangible; And employ a large amount of condensate waters, the temperature of ammoniacal liquor is dropped to lower, causes the waste of water resource and energy.
Summary of the invention
For overcoming the defect existed in prior art, goal of the invention of the present invention is to provide a kind of kjeldahl apparatus condensing unit, and it can recycle cooling water, saves water resource and energy.
For realizing described goal of the invention, the invention provides a kind of condensing unit, it comprises the first heat exchanger, first heat exchanger comprises the first container and is arranged on the first heat-exchange tube in the first container, first heat-exchange tube is provided with air intake opening and leakage fluid dram, described first container is communicated with cooling water circulation branch road, it is characterized in that, described condensing unit also comprises controller, the leakage fluid dram place of described first heat-exchange tube is provided with temperature sensor, the first solenoid valve and flow sensor is provided with in cooling water circulation branch road, temperature sensor is for measuring the temperature of discharged liquid, and temperature information is supplied to controller, flow sensor is for measuring the flow of chilled water, and flow information is supplied to controller, controller controls the rotation amount of the first solenoid valve according to temperature information and flow information.
Preferably, cooling water circulation branch road is also provided with the first ebullator.
Preferably, cooling water circulation branch road is also provided with the second heat exchanger, and the second heat exchanger comprises second container and is arranged on the second heat-exchange tube in second container, and the second heat-exchange tube is used for carrying out heat interchange to chilled water; Second container is communicated with heat abstractor.
Preferably, described heat abstractor comprises pond, sparge pipe and the second ebullator, second ebullator is used for the water in sprinkling basin to be pumped in second container, one end of sparge pipe is connected with second container, and the other end stretches out from bottom to top from pond, and is sprayed by water.
Compared with prior art, condensing unit provided by the invention can recycle cooling water, saves water resource and energy.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the kjeldahl apparatus condensing unit provided in prior art;
Fig. 2 is the schematic diagram of the kjeldahl apparatus condensing unit that first embodiment of the invention provides;
Fig. 3 is the schematic diagram of the kjeldahl apparatus condensing unit that second embodiment of the invention provides;
Fig. 4 is the schematic diagram of the kjeldahl apparatus condensing unit that third embodiment of the invention provides.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
first embodiment
Fig. 2 is the schematic diagram of the kjeldahl apparatus condensing unit that first embodiment of the invention provides.As shown in Figure 1, the kjeldahl apparatus condensing unit that first embodiment of the invention provides comprises the first heat exchanger, the first heat-exchange tube 12 that first heat exchanger comprises the first container 11 and is arranged in the first container, first heat-exchange tube 12 is provided with the air intake opening 13 for inputting ammonia and the leakage fluid dram 14 for discharging ammoniacal liquor, leakage fluid dram 14 place is provided with temperature sensor 38, temperature information for measuring the temperature of ammoniacal liquor, and is supplied to controller by temperature sensor; Described first container 11 is communicated with cooling water circulation branch road.First container 11 is provided with water inlet 16 and water delivering orifice 15.Cooling water circulation branch road comprises the second heat exchanger, the second heat-exchange tube 25 that second heat exchanger comprises second container 24 and is arranged in second container, second heat-exchange tube 25 is provided with inlet 26 and leakage fluid dram 27, and second container is provided with water inlet 28 and water delivering orifice 34.Flow sensor 37, stop valve 23, solenoid valve 22 and stop valve 21 is disposed with between the water delivering orifice 15 of the first heat exchanger and the inlet 26 of the second heat exchanger, flow information for measuring the flow of chilled water in chilled water branch road, and is supplied to controller by flow sensor 37; Stop valve 23 for the feed flow situation of controlled cooling model branch road, simultaneously when overhauling also for cutting off solvent path; Solenoid valve 22 is for regulating the flow of chilled water; Stop valve 21, for controlling the situation of Cooling Water, cuts off cooling water path when overhauling simultaneously.Set gradually temperature sensor 24, stop valve 20, retaining valve 19, ebullator 18, stop valve 17 and water tank 35 between the water inlet 16 of the first heat exchanger and the leakage fluid dram 27 of the second heat exchanger, temperature sensor 24 is for measuring the temperature of chilled water and temperature information being supplied to controller; Stop valve 20 for the feed flow situation of controlled cooling model branch road, simultaneously when overhauling also for cutting off cooling water path; Retaining valve 19 is for regulating the flow direction of chilled water; Stop valve 17, for controlling the situation of Cooling Water, cuts off cooling water path when overhauling simultaneously; Ebullator 18 is for providing power to chilled water; Water tank 35 is for holding chilled water, and it comprises water inlet, water delivering orifice and the/medicine mouth 36 that adds water, add water/medicine mouth 36 is for moisturizing and medicine.
The second container of the second heat exchanger is connected with heat abstractor, described heat abstractor comprises pond 32, sparge pipe 33 and the second ebullator 29, second ebullator is used for the water in sprinkling basin to be pumped in second container, its water inlet is communicated in pond by pipeline 30, and water delivering orifice is communicated in the water inlet of second container by pipeline 31.One end of sparge pipe 33 is connected with the freeing port 34 of second container, and the other end stretches out from bottom to top from pond 32, and is sprayed by water, thus reaches object water temperature reduced.
Described condensing unit also comprises controller, and controller is according to the rotation amount of the temperature of ammoniacal liquor and cooling water flow Controlling solenoid valve 22.Controller is according to the duty of the temperature control cycles pump 29 of chilled water.Ebullator 29 is also controlled by controller, as long as usually need condensation ammonia, just makes ebullator work.
second embodiment
Fig. 3 is the schematic diagram of the kjeldahl apparatus condensing unit that second embodiment of the invention provides.As shown in Figure 3, the kjeldahl apparatus condensing unit difference that the kjeldahl apparatus condensing unit that second embodiment of the invention provides and the first embodiment provide only, is provided with flow sensor 37 between the water delivering orifice 15 of the first heat exchanger and the inlet 26 of the second heat exchanger; Temperature sensor 24, stop valve 20, retaining valve 19, solenoid valve 22, ebullator 18, stop valve 17 and water tank 35 is set gradually between the water inlet 16 of the first heat exchanger and the leakage fluid dram 27 of the second heat exchanger, other structure is identical, so can save two stop valves.
3rd embodiment
Fig. 4 is the schematic diagram of the kjeldahl apparatus condensing unit that third embodiment of the invention provides.As shown in Figure 4, the kjeldahl apparatus condensing unit difference that the kjeldahl apparatus condensing unit that third embodiment of the invention provides and the second embodiment provide is only, the second container of the second heat exchanger is connected with heat abstractor, described heat abstractor comprises molten Ji bottle 39, water pipe 33 and the second ebullator 29, second ebullator is used for the solvent of molten Ji bottle 39 to be pumped in second container, its inlet is communicated in molten Ji bottle 39 by pipeline 30, and liquid outlet is communicated in the inlet of second container by pipeline 31.One end of water pipe 33 is connected with the leakage fluid dram 34 of second container, and the other end extend into molten Ji bottle 39, so, utilizes the molten Ji of the heating temperatures of ammonia, accelerates chemical reaction velocity, save energy.
Container in heat exchanger of the present invention adopts engineering plastics, not easily broken.
The above is only that embodiments of the present invention have done detailed description; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improvement and modification also should be considered as the protection domain invented.
Claims (4)
1. a condensing unit, it comprises the first heat exchanger, first heat exchanger comprises the first container and is arranged on the first heat-exchange tube in the first container, first heat-exchange tube is provided with air intake opening and leakage fluid dram, described first container is communicated with cooling water circulation branch road, it is characterized in that, described condensing unit also comprises controller, the leakage fluid dram place of described first heat-exchange tube is provided with temperature sensor, the first solenoid valve and flow sensor is provided with in cooling water circulation branch road, temperature sensor is for measuring the temperature of discharged liquid, and temperature information is supplied to controller, flow sensor is for measuring the flow of chilled water, and flow information is supplied to controller, controller controls the rotation amount of the first solenoid valve according to temperature information and flow information.
2. condensing unit according to claim 1, is characterized in that, cooling water circulation branch road is also provided with the first ebullator.
3. condensing unit according to claim 2, it is characterized in that, cooling water circulation branch road is also provided with the second heat exchanger, and the second heat exchanger comprises second container and is arranged on the second heat-exchange tube in second container, and the second heat-exchange tube is used for carrying out heat interchange to chilled water; Second container is communicated with heat abstractor.
4. condensing unit according to claim 3, it is characterized in that, described heat abstractor comprises pond, sparge pipe and the second ebullator, second ebullator is used for the water in sprinkling basin to be pumped in second container, one end of sparge pipe is connected with second container, and the other end stretches out from bottom to top from pond, and is sprayed by water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510939775.XA CN105445410A (en) | 2015-12-16 | 2015-12-16 | Kjeldahl apparatus condensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510939775.XA CN105445410A (en) | 2015-12-16 | 2015-12-16 | Kjeldahl apparatus condensation device |
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| Publication Number | Publication Date |
|---|---|
| CN105445410A true CN105445410A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510939775.XA Pending CN105445410A (en) | 2015-12-16 | 2015-12-16 | Kjeldahl apparatus condensation device |
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| Country | Link |
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| CN (1) | CN105445410A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413453A (en) * | 2020-05-25 | 2020-07-14 | 福建春达化工有限公司 | Plasticizer production wastewater total nitrogen test method |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090557A (en) * | 1976-06-23 | 1978-05-23 | Edward Thomas Currier | Steam heating system and condenser therefor |
| CN2506342Y (en) * | 2001-08-22 | 2002-08-21 | 于中生 | Circular cooling device |
| JP2005188758A (en) * | 2003-05-06 | 2005-07-14 | Yasutaka Shiraishi | Water level difference operation circulation type heat exchanger |
| CN2739635Y (en) * | 2004-10-10 | 2005-11-09 | 季克和 | Automatic nitrogen-fixing instrument |
| CN201940241U (en) * | 2010-11-25 | 2011-08-24 | 杨水彬 | Circulating and cooling device for laboratory |
| JP4889340B2 (en) * | 2006-03-29 | 2012-03-07 | 中国電力株式会社 | Cooling water circulation device |
| CN202361826U (en) * | 2011-11-25 | 2012-08-01 | 浙江中辉皮草有限公司 | Waste heat recovery heat-exchange system |
| CN202581503U (en) * | 2012-03-09 | 2012-12-05 | 上海理工大学 | Steam condensate water waste heat recovery device |
| CN202793894U (en) * | 2012-08-15 | 2013-03-13 | 彭玉鑫 | Condensing tube for azotometer |
| CN202876849U (en) * | 2012-10-02 | 2013-04-17 | 郭达 | Water-saving condensing device |
| CN203209075U (en) * | 2013-04-18 | 2013-09-25 | 申联生物医药（上海）有限公司 | Condenser of rotary evaporator |
| CN203586854U (en) * | 2013-09-29 | 2014-05-07 | 河南新大新材料股份有限公司 | Steam waste heat recycling system |
| CN104197739A (en) * | 2014-09-18 | 2014-12-10 | 合肥波林新材料有限公司 | Self-circulation cooling device |
| CN204227936U (en) * | 2014-10-20 | 2015-03-25 | 山东海能科学仪器有限公司 | Based on the azotometer rapid condensation system of transition metal |
| CN204268771U (en) * | 2014-11-13 | 2015-04-15 | 黄山中皇制药有限公司 | Energy-saving circulating cooling water system |
| CN204735237U (en) * | 2015-06-26 | 2015-11-04 | 盐城卫生职业技术学院 | Practical comdenstion water festival water circle device |
| CN205353033U (en) * | 2015-12-16 | 2016-06-29 | 山东海能科学仪器有限公司 | Kai shi azotometer condensing equipment |
-
2015
- 2015-12-16 CN CN201510939775.XA patent/CN105445410A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090557A (en) * | 1976-06-23 | 1978-05-23 | Edward Thomas Currier | Steam heating system and condenser therefor |
| CN2506342Y (en) * | 2001-08-22 | 2002-08-21 | 于中生 | Circular cooling device |
| JP2005188758A (en) * | 2003-05-06 | 2005-07-14 | Yasutaka Shiraishi | Water level difference operation circulation type heat exchanger |
| CN2739635Y (en) * | 2004-10-10 | 2005-11-09 | 季克和 | Automatic nitrogen-fixing instrument |
| JP4889340B2 (en) * | 2006-03-29 | 2012-03-07 | 中国電力株式会社 | Cooling water circulation device |
| CN201940241U (en) * | 2010-11-25 | 2011-08-24 | 杨水彬 | Circulating and cooling device for laboratory |
| CN202361826U (en) * | 2011-11-25 | 2012-08-01 | 浙江中辉皮草有限公司 | Waste heat recovery heat-exchange system |
| CN202581503U (en) * | 2012-03-09 | 2012-12-05 | 上海理工大学 | Steam condensate water waste heat recovery device |
| CN202793894U (en) * | 2012-08-15 | 2013-03-13 | 彭玉鑫 | Condensing tube for azotometer |
| CN202876849U (en) * | 2012-10-02 | 2013-04-17 | 郭达 | Water-saving condensing device |
| CN203209075U (en) * | 2013-04-18 | 2013-09-25 | 申联生物医药（上海）有限公司 | Condenser of rotary evaporator |
| CN203586854U (en) * | 2013-09-29 | 2014-05-07 | 河南新大新材料股份有限公司 | Steam waste heat recycling system |
| CN104197739A (en) * | 2014-09-18 | 2014-12-10 | 合肥波林新材料有限公司 | Self-circulation cooling device |
| CN204227936U (en) * | 2014-10-20 | 2015-03-25 | 山东海能科学仪器有限公司 | Based on the azotometer rapid condensation system of transition metal |
| CN204268771U (en) * | 2014-11-13 | 2015-04-15 | 黄山中皇制药有限公司 | Energy-saving circulating cooling water system |
| CN204735237U (en) * | 2015-06-26 | 2015-11-04 | 盐城卫生职业技术学院 | Practical comdenstion water festival water circle device |
| CN205353033U (en) * | 2015-12-16 | 2016-06-29 | 山东海能科学仪器有限公司 | Kai shi azotometer condensing equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413453A (en) * | 2020-05-25 | 2020-07-14 | 福建春达化工有限公司 | Plasticizer production wastewater total nitrogen test method |
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Application publication date: 20160330 |