CN218766279U

CN218766279U - Ammonium generating and collecting device

Info

Publication number: CN218766279U
Application number: CN202121437402.XU
Authority: CN
Inventors: 李艳荣; 朱立忠; 李敏
Original assignee: China Petroleum and Chemical Corp; Research Institute of Sinopec Nanjing Chemical Industry Co Ltd
Current assignee: China Petroleum and Chemical Corp; Research Institute of Sinopec Nanjing Chemical Industry Co Ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2023-03-28
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses an ammonium generating and collecting device, which comprises a water vapor generator, wherein the water vapor generator is heated by a heating source; the piston at the outlet of the water vapor generator is provided with two through holes; one of the through holes is used for refluxing steam through the condensing pipe; the other through hole is sealed and penetrates through the connector with the splash-proof ball through a steam leading-in pipeline until the other through hole is below the liquid surface in the sample distillation bottle; wherein the connector with the splash-proof bulb tube is hermetically arranged at the inlet of the sample distillation bottle; the separating funnel is inserted into the connector with the splash-proof bulb tube and the cavity of the sample distillation bottle through a piston through hole of the connector inlet with the splash-proof bulb tube; the ammonium-containing steam is connected to the condensing tube with the tray through a glass conduit or a flexible pipeline by the splash-proof ball; and the ammonium-containing steam is condensed and finally collected into an absorption bottle through an output port of a condensing tube with a tray. The utility model discloses a steam heating makes liquid be heated more evenly, and it is more stable to contain the ammonium liquid to distill off, and the testing process changes control, and the result is more accurate.

Description

Ammonium generating and collecting device

Technical Field

The utility model relates to a battery sulphuric acid, salt solution, discharge water technical field, concretely relates to ammonium takes place and collection device.

Background

Ammonium and ammonia nitrogen, one of the most important nutritive salts, occupy a significant position in the biogeochemical cycle of nitrogen in water. But ammonium has certain toxicity in an aquatic ecosystem and is an important water quality monitoring index; meanwhile, ammonium is an important monitoring index in various chemical products. In the prior art, most of the methods are directly heating liquid, so that ammonium in the liquid is distilled off along with steam in an alkaline state, but for high boiling point, strong corrosivity and high salt content liquid such as sulfuric acid and the like, the direct heating can cause danger due to uneven heating and splashing, and further influences the accuracy of the result.

SUMMERY OF THE UTILITY MODEL

1. The technical problem to be solved is as follows:

to the technical problem, the utility model provides an ammonium takes place and collection device, to the measuring in the liquid ammonium must heat under the alkali state just can distill off, when detecting the ammonium mass fraction in high boiling point, the strong corrosion or the high liquid of some salt content, thereby it splashes the phenomenon that makes the testing result appear the deviation very easily to be heated unevenly. The invention heats the liquid more uniformly by steam, the ammonium-containing liquid is distilled more stably, the detection process is easier to control, and the result is more accurate.

2. The technical scheme is as follows:

an ammonium generating and collecting device comprises a water vapor generator, a condenser pipe, a heating source, a steam leading-in pipeline, a separating funnel, a connector with a splash-proof ball tube, a sample distillation flask, a condenser pipe with a tray and an absorption bottle; the water vapor generator is a heatable bottle body and is heated by a heating source; a piston at the outlet of the water vapor generator is provided with two through holes; one of the through holes is used for refluxing steam through the condensing pipe; the other through hole is sealed and penetrates through the connector with the splash-proof ball through a steam leading-in pipeline until the other through hole is below the liquid surface in the sample distillation bottle; wherein the connector with the splash-proof bulb tube is hermetically arranged at the inlet of the sample distillation bottle; the separating funnel is inserted into the connector with the splash-proof bulb tube and the cavity of the sample distillation bottle through a piston through hole of the connector inlet with the splash-proof bulb tube; the ammonium-containing steam is connected to the condensing tube with the tray through a glass conduit or a flexible pipeline by the splash-proof ball; the ammonium-containing steam is condensed and finally collected into an absorption bottle through an output port of a condensing tube with a tray.

Further, the device also comprises a buffer bottle; the buffer bottle is connected in series in the middle of the steam leading-in pipeline in a sealing mode and divides the steam leading-in pipeline into two parts.

Further, the condenser pipe is a straight pipe or a snakelike condenser pipe; the condenser pipe with the tray condenser pipe is a straight pipe or a snakelike condenser pipe.

Further, a controllable piston used for discharging condensed liquid is arranged at the bottom of the buffer bottle.

Further, the separatory funnel has a piston with polytetrafluoroethylene.

Further, the absorption bottle is a glass or ceramic vessel.

3. Has the advantages that:

(1) In this application, steam generator is the heatable bottle, and the exit is equipped with the piston of air vent. The piston at the outlet has two holes, one hole leading out steam and the other hole connected to the reflux steam of the condensing pipe. A buffer bottle is arranged before the steam enters the ammonium-containing liquid, and the upper part of the buffer bottle is connected with the front and rear devices through a piston; a controllable piston is arranged below the buffer bottle and can be discharged from the piston when liquid is condensed. The sample distillation bottle and the separating funnel are connected through a connecting device with a splash-proof ball tube, and pistons and ground openings are arranged above and below the connecting device, so that the sample distillation bottle and the separating funnel can be connected in a sealing mode. Because sodium hydroxide is added into the separating funnel during the experiment to further adjust the pH value of the sample, the separating funnel is provided with a piston with polytetrafluoroethylene so as to resist the corrosion of strong alkali.

(2) The condensing device above the sample absorption bottle is a straight pipe or a snakelike condenser pipe, and the bottom conduit is connected into the absorption bottle. In order to prevent the condensate outside the tube from flowing into the absorption bottle, a tray is arranged below the condensing device. The absorption bottle is a glass or ceramic vessel which does not react with the distillate and the absorption liquid.

The invention heats the liquid more uniformly by steam, the ammonium-containing liquid is more stably distilled, the detection process is easier to control, and the result is more accurate.

Drawings

Fig. 1 is a schematic view of the specific structure of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, an ammonium generating and collecting device comprises a water vapor generator 1, a condenser pipe 2, a heating source 3, a vapor introducing pipeline 5, a separating funnel 6, a connector 7 with a splash-proof ball tube, a sample distillation flask 8, a condenser pipe 9 with a tray and an absorption flask 10; the water vapor generator is a heatable bottle body and is heated by a heating source; the piston at the outlet of the water vapor generator is provided with two through holes; one of the through holes is used for refluxing steam through the condensing pipe; the other through hole is sealed and penetrates through the connector with the splash-proof ball through a steam leading-in pipeline until the other through hole is below the liquid surface in the sample distillation bottle; wherein the connector with the splash-proof bulb tube is hermetically arranged at the inlet of the sample distillation bottle; the separating funnel is inserted into the connector with the splash-proof bulb tube and the cavity of the sample distillation bottle through a piston through hole of the connector inlet with the splash-proof bulb tube; the ammonium-containing steam is connected to the condensing tube with the tray through a splash-proof ball through a glass guide tube or a flexible pipeline; the ammonium-containing steam is condensed and finally collected into an absorption bottle through an output port of a condensing tube with a tray.

Further, a buffer bottle 4 is also included; the buffer bottle is connected in series in the middle of the steam leading-in pipeline in a sealing mode and divides the steam leading-in pipeline into two parts.

Further, the condensation pipe is a straight pipe or a snake-shaped condensation pipe; the condenser pipe with the tray condenser pipe is a straight pipe or a snakelike condenser pipe.

Further, the bottom of the buffer bottle is provided with a controllable piston which can be used for discharging condensed liquid.

Further, the separatory funnel has a piston with polytetrafluoroethylene.

Further, the absorption bottle is a glass or ceramic vessel.

The specific embodiment is as follows:

this example is an analysis of the mass fraction of ammonium in battery sulfuric acid. The ammonium ion-containing liquid in the substance to be tested is evaporated along with high-temperature steam and condensed and absorbed, and the device is shown in figure 1.

The working process is as follows: a certain volume of hydrochloric acid solution is filled in the absorption device, and the lower end of the condensation pipe is inserted into the solution. A50 g sample was weighed and slowly added to a distillation flask containing 50mL of water. Several drops of methyl red-methylene blue mixed indicator were added to the distillation flask and the ammonia-free sodium hydroxide solution was slowly added from the separatory funnel until the solution appeared green. And adding a water vapor generator, leading the vapor to enter the distillation flask along with the pipeline after passing through the buffer flask, uniformly heating the sample in the distillation flask, evaporating out the ammonium-containing gas, and leading the ammonium-containing gas to enter the snake-shaped condensation pipe through the splash-proof bulb pipe for condensation and absorption.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. An ammonium generating and collecting device, comprising: comprises a water vapor generator, a condenser pipe, a heating source, a vapor leading-in pipeline, a separating funnel, a connector with a splash-proof ball tube, a sample distillation flask, a condenser pipe with a tray and an absorption flask; the water vapor generator is a heatable bottle body and is heated by a heating source; the piston at the outlet of the water vapor generator is provided with two through holes; one of the through holes is used for refluxing steam through the condensing pipe; the other through hole is sealed and penetrates through the connector with the splash-proof ball through a steam leading-in pipeline until the other through hole is below the liquid surface in the sample distillation bottle; wherein the connector with the splash-proof bulb tube is hermetically arranged at the inlet of the sample distillation bottle; the separating funnel is inserted into the connector with the splash-proof bulb tube and the cavity of the sample distillation bottle through a piston through hole at the inlet of the connector with the splash-proof bulb tube; the ammonium-containing steam is connected to the condensing tube with the tray through a splash-proof ball through a glass guide tube or a flexible pipeline; the ammonium-containing steam is condensed and finally collected into an absorption bottle through an output port of a condensing tube with a tray.

2. An ammonium generating and collecting device according to claim 1, wherein: the device also comprises a buffer bottle; the buffer bottle is connected in series in the middle of the steam leading-in pipeline in a sealing mode and divides the steam leading-in pipeline into two parts.

3. An ammonium generating and collecting device according to claim 1, wherein: the condenser pipe is a straight pipe or a snakelike condenser pipe; the condenser pipe with the tray condenser pipe is a straight pipe or a snake-shaped condenser pipe.

4. An ammonium generating and collecting device according to claim 2, wherein: the bottom of the buffer bottle is provided with a controllable piston which can be used for discharging condensed liquid.

5. An ammonium generating and collecting device according to claim 1, wherein: the separatory funnel has a piston with polytetrafluoroethylene.

6. An ammonium generating and collecting device according to claim 1, wherein: the absorption bottle is a glass or ceramic vessel.