CN220795146U - Organic matter testing arrangement - Google Patents

Abstract

The application discloses an organic matter testing device, which comprises a reaction container with an opening at the top, a cover plate and an air duct for introducing oxygen and carbon dioxide into the reaction container; a storage plate for storing potassium superoxide tablets is arranged in the reaction container, a cover plate is detachably covered at the position of the reaction container where the opening is arranged, and the cover plate is provided with an exhaust port; the gas guide pipe is communicated with the reaction vessel; the organic matter testing device also comprises a water bath device for heating the reaction vessel in a water bath. The application has the effect of providing a testing device convenient for detecting residual organic matters in potassium superoxide.

Description

Organic matter testing arrangement

Technical Field

The application relates to the field of organic matter test equipment, in particular to an organic matter test device.

Background

The potassium superoxide is a primary oxidant, can be used as an oxygen source for a breathing mask, and can also be used as an oxygen regenerant for closed systems of airships, submarines and the like. However, potassium superoxide causes combustion or even explosion when meeting organic matters, and is dangerous, so that the detection of residual organic matters in the produced potassium superoxide is very important, and therefore, the provision of a testing device convenient for detecting the residual organic matters in the potassium superoxide is needed.

Disclosure of Invention

In order to facilitate detection of residual organic matters in potassium superoxide, the application provides an organic matter testing device.

The application provides an organic matter testing arrangement adopts following technical scheme:

an organic matter testing device comprises a reaction container with an opening at the top, a cover plate and an air duct for introducing oxygen and carbon dioxide into the reaction container; the reaction container is internally provided with a storage plate for storing potassium superoxide tablets, the cover plate is detachably covered at the position of the reaction container where the reaction container is provided with an opening, and the cover plate is provided with an exhaust port; the gas guide pipe is communicated with the reaction container; the organic matter testing device also comprises a water bath device for heating the reaction container in a water bath.

By adopting the technical scheme, when testing residual organic matters in the potassium superoxide, the cover plate is covered at the top opening position of the reaction container, oxygen and carbon dioxide are introduced into the reaction container through the air duct, and water with higher temperature (such as 60 ℃) is filled in the water bath; the water bath device is used for raising the temperature inside the reaction vessel through heat conduction, after the reaction vessel is filled with oxygen and carbon dioxide, the cover plate is opened and potassium superoxide tablets to be tested are added to the object placing plate in the reaction vessel; then covering a cover plate and waiting for the tablet to react, if the potassium superoxide tablet has the phenomena of ignition, detonation or smoking and the like within 30 minutes, the absence of the phenomena indicates that the potassium superoxide tablet has no residual organic matters, and the product quality is qualified; if the phenomenon is the above, the existence of residual organic matters in the potassium superoxide tablet is indicated, and the quality of the product is unqualified;

further, the reaction principle of the potassium superoxide is as follows: the air duct is used for introducing oxygen into the reaction container to improve the purity of the oxygen in the reaction container, thereby being beneficial to the combustion of organic matters (if the potassium superoxide tablet exists in the organic matters); the carbon dioxide is introduced to provide reactants for the potassium superoxide tablets, namely, the carbon dioxide and the potassium superoxide can perform chemical reaction, so that the temperature of a reaction container is increased by heat release, the temperature of the reaction container reaches a certain temperature, and if organic matters exist in the potassium superoxide tablets, the potassium superoxide tablets have a burning phenomenon or a spark phenomenon under the oxygen-enriched condition, so that whether the potassium superoxide tablets contain the organic matters or not is judged; thereby providing a testing device which is convenient for detecting residual organic matters in the potassium superoxide.

Preferably, the device also comprises a saturator, an oxygen supply component for supplying oxygen and a gas supply component for supplying carbon dioxide; the saturator is provided with two air inlets, and the oxygen supply assembly is communicated with one of the air inlets of the saturator; the air supply assembly is communicated with the other air inlet of the saturator; the saturator is communicated with one end of the air duct, which is far away from the reaction container.

By adopting the technical scheme, the saturator is a device capable of changing dry gas into saturated wet gas; the oxygen supply assembly is used for supplying oxygen into the saturator through one of the air inlets, the air supply assembly is used for supplying carbon dioxide into the saturator through the other air inlet, the worker can switch and input oxygen and carbon dioxide through the oxygen supply assembly and the air supply assembly so as to adjust the flow of the two gases to the reaction standard value of potassium superoxide, and then the saturator inputs the oxygen and the carbon dioxide into the reaction container for reaction, so that the operation is more convenient.

Preferably, an inner air duct is arranged in the reaction container, one end of the inner air duct is communicated with the air duct, and the other end of the inner air duct is bent towards the bottom of the reaction container.

By adopting the technical scheme, the inner air guide pipe is used for guiding the mixed gas of oxygen and carbon dioxide to the bottom of the reaction container, for example, one end of the bottom of the inner air guide pipe is at a distance of 30 mm from the bottom of the reaction container, so that a certain gas phase space is reserved.

Preferably, the reaction vessel and the cover plate are both transparent materials.

By adopting the technical scheme, the reaction vessel and the cover plate made of transparent materials are convenient for staff to observe after the potassium superoxide tablets are filled into the reaction.

Preferably, the saturator is provided with a first heating element for heating the saturator; the water bath is provided with a second heating member for heating the water bath.

By adopting the technical scheme, the first heating element is used for keeping the temperature of the saturator within a specified temperature range, such as the temperature of the saturator is stabilized at 37 ℃; the second heating element is used for keeping the temperature of the water bath within a specified temperature range, such as the temperature of the water bath is stabilized at 60 ℃; so as to provide a suitable reaction temperature for the potassium superoxide.

Preferably, the water bath is a shell with a hollow inside and an open top; the reaction vessel is located at the top of the water bath.

Through adopting above-mentioned technical scheme, the water bath ware heats the reaction vessel through the mode of water bath constant temperature, and the staff can add water that the water bath ware worked required from the top position of water bath ware, and is convenient for the staff observe whether the reaction vessel has phenomena such as catching fire, detonating or smoking.

Preferably, the second heating element comprises a supporting frame and an air heater, the air heater is detachably mounted on the supporting frame, and an air outlet of the air heater faces to the inside of the water bath.

By adopting the technical scheme, the air heater is used for heating the water bath, and is convenient for the temperature of the water bath to reach the temperature when the temperature of the water bath needs to be stabilized at about 37 ℃.

Preferably, a liquid level sensor is installed in the saturator, the liquid level sensor senses the water level in the saturator in real time and outputs a liquid level detection signal, the liquid level sensor is coupled with a water level prompt circuit, and the water level prompt circuit comprises a signal comparison unit, a switch unit and a prompt unit;

the signal comparison unit is coupled with the liquid level sensor and is connected with a threshold signal, compares the liquid level detection signal with the threshold signal and outputs a comparison signal, and the comparison signal comprises a first comparison signal and a second comparison signal;

the switch unit is coupled to the signal comparison unit and connected in series in the power supply loop of the prompt unit so as to output a switch signal after receiving the comparison signal, wherein the switch signal comprises an on signal and an off signal, and the switch unit outputs the on signal to the prompt unit when receiving the first comparison signal so as to control the prompt unit to output the prompt signal; and the switch unit outputs a closing signal to the prompt unit when receiving the second comparison signal so as to control the prompt unit to close.

By adopting the technical scheme, the water level prompting circuit is used for outputting a prompting signal to prompt a worker to add water in time when the water in the saturator is less, so that the dry burning of the saturator is effectively avoided; the water level sensor detects the liquid level in the saturator in real time and outputs a liquid level detection signal, when the liquid level detection signal output by the water level sensor is greater than a threshold value signal when the water in the saturator is more and the liquid level is higher, the signal comparison unit outputs a second comparison signal to the switch unit, the switch unit outputs a shut-down signal, and the prompt unit does not output a prompt signal; along with long-time water bath heating of the saturator, the water level in the saturator gradually decreases, when the water level in the saturator decreases to a level detection signal output by the water level sensor is smaller than a threshold value signal, the signal comparison unit outputs a first comparison signal to the switch unit, the switch unit outputs an opening signal to the prompt unit, and the prompt unit outputs a prompt signal to control prompt staff that the water level in the saturator is more or about to be used up at the moment, and water needs to be added in time; the practicability is strong.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when testing residual organic matters in the potassium superoxide, firstly, covering a cover plate at the top opening position of a reaction container, introducing oxygen and carbon dioxide into the reaction container through an air duct, and filling water with higher temperature (such as 60 ℃) into a water bath; the water bath device is used for raising the temperature inside the reaction vessel through heat conduction, after the reaction vessel is filled with oxygen and carbon dioxide, the cover plate is opened and potassium superoxide tablets to be tested are added to the object placing plate in the reaction vessel; then covering a cover plate and waiting for the tablet to react, if the potassium superoxide tablet has the phenomena of ignition, detonation or smoking and the like within 30 minutes, the absence of the phenomena indicates that the potassium superoxide tablet has no residual organic matters, and the product quality is qualified; if the phenomenon is the above, the existence of residual organic matters in the potassium superoxide tablet is indicated, and the quality of the product is unqualified;

2. the saturator is a device capable of changing dry gas into saturated moisture; the oxygen supply assembly is used for supplying oxygen into the saturator through one air inlet, the air supply assembly is used for supplying carbon dioxide into the saturator through the other air inlet, a worker can switch and input the oxygen and the carbon dioxide through the oxygen supply assembly and the air supply assembly so as to adjust the flow rate of the two gases to the reaction standard value of potassium superoxide, and the saturator then inputs the oxygen and the carbon dioxide into the reaction container for reaction, so that the operation is more convenient;

3. the water level prompting circuit is used for outputting a prompting signal to prompt a worker to add water in time when the water in the saturator is less, so that the saturator is effectively prevented from being burned; the water level sensor detects the liquid level in the saturator in real time and outputs a liquid level detection signal, when the liquid level detection signal output by the water level sensor is greater than a threshold value signal when the water in the saturator is more and the liquid level is higher, the signal comparison unit outputs a second comparison signal to the switch unit, the switch unit outputs a shut-down signal, and the prompt unit does not output a prompt signal; along with long-time water bath heating of the saturator, the water level in the saturator gradually decreases, when the water level in the saturator decreases to a level detection signal output by the water level sensor is smaller than a threshold value signal, the signal comparison unit outputs a first comparison signal to the switch unit, the switch unit outputs an opening signal to the prompt unit, and the prompt unit outputs a prompt signal to control prompt staff that the water level in the saturator is more or about to be used up at the moment, and water needs to be added in time; the practicability is strong.

Drawings

Fig. 1 is a schematic diagram of an overall installation structure of an organic matter testing device according to an embodiment of the present application.

Fig. 2 is a sectional view showing the mounting structure of a reaction vessel, a cover plate and a storage plate in an organic matter testing apparatus according to an embodiment of the present application.

Fig. 3 is a schematic diagram of an installation structure of a saturator, an oxygen supply assembly, and an air supply assembly in an organic matter testing device according to an embodiment of the present application.

Fig. 4 is a circuit diagram of a water level cue circuit in an embodiment of the present application.

Reference numerals illustrate:

1. a reaction vessel; 11. an inner airway; 2. a cover plate; 21. an exhaust port; 3. an air duct; 4. a storage plate; 5. a water bath; 51. a support frame; 52. an air heater; 6. a saturator; 61. an interlayer; 62. a heater; 63. a liquid level sensor; 7. an oxygen supply assembly; 71. an oxygen tank; 72. a first electromagnetic valve; 8. a gas supply assembly; 81. a carbon dioxide steel tank; 82. a second electromagnetic valve; 90. a signal comparison unit; 91. a switching unit; 92. and a prompting unit.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses an organic matter testing device. Referring to fig. 1 and 2, the organic matter testing device includes a reaction vessel 1 having an open top, a cover plate 2, and an air duct 3 for introducing oxygen and carbon dioxide into the reaction vessel 1; the reaction vessel 1 and the cover plate 2 are both made of transparent materials; a storage plate 4 for storing potassium superoxide tablets is arranged in the reaction container 1, a cover plate 2 is detachably covered at the position of the reaction container 1 where the opening is arranged, and an exhaust port 21 is arranged on the cover plate 2; the gas-guide tube 3 is communicated with the reaction vessel 1; when testing residual organic matters in the potassium superoxide, firstly, covering the cover plate 2 at the top opening position of the reaction container 1, and introducing oxygen and carbon dioxide into the reaction container 1 through the air duct 3; after oxygen and carbon dioxide in the reaction vessel 1 reach a temperature suitable for potassium superoxide reaction, the cover plate 2 is opened and potassium superoxide is put into the reaction vessel for reaction.

Referring to fig. 1 and 2, the organic matter testing device further comprises a water bath 5 for heating the reaction vessel 1 in a water bath, a saturator 6, an oxygen supply assembly 7 for supplying oxygen, and a gas supply assembly 8 for supplying carbon dioxide; the water bath 5 is a shell with a hollow inside and an open top; the reaction vessel 1 is positioned at the top of the water bath 5; the saturator 6 is provided with two air inlets, and the oxygen supply assembly 7 is communicated with one of the air inlets of the saturator 6; the air supply assembly 8 is communicated with the other air inlet of the saturator 6; the saturator 6 is communicated with one end of the gas guide pipe 3, which is far away from the reaction vessel 1; the worker adds potassium superoxide tablets to be tested on the object placing plate 4 in the reaction container 1; covering the cover plate 2 and waiting for the tablet reaction, for example, observing whether the potassium superoxide tablet has phenomena of ignition, detonation or smoking within 30 minutes, wherein the absence of the phenomena indicates that the potassium superoxide tablet has no residual organic matters, and the product quality is qualified; if the phenomenon is found, the existence of residual organic matters in the potassium superoxide tablet is indicated, and the quality of the product is not qualified.

Referring to fig. 1 and 2, the oxygen supply assembly 7 includes an oxygen tank 71 containing oxygen, a barometer, and a first solenoid valve 72 for controlling the opening and closing of the oxygen tank 71; the air supply assembly 8 comprises a carbon dioxide steel tank 81 filled with carbon dioxide, an air pressure gauge and a second electromagnetic valve 82 for controlling the opening and closing of the carbon dioxide steel tank 81; a worker may switch the input of oxygen and carbon dioxide to the saturator 6 through the first and second solenoid valves 72 and 82 to adjust the capacity of the oxygen and carbon dioxide in the saturator 6 to the proper ranges.

Referring to fig. 2, an inner gas guide tube 11 is arranged in the reaction vessel 1, one end of the inner gas guide tube 11 is communicated with the gas guide tube 3, and the other end of the inner gas guide tube 11 is bent towards the bottom of the reaction vessel 1; the inner gas guide tube 11 is used to guide the mixed gas of oxygen and carbon dioxide to the bottom of the reaction vessel 1, for example, such that one end of the bottom of the inner gas guide tube 11 is spaced apart from the bottom of the reaction vessel 1 by 30 mm to reserve a certain gas phase space.

Referring to fig. 1 and 3, an interlayer 61 is provided inside the saturator 6, and the saturator 6 is provided with a first heating member for heating the saturator 6; the first heating element comprises a heater 62, the heater 62 being located within the interlayer 61 of the saturator 6; the heater 62 is arranged along the side wall of the saturator 6 in a bending and extending way; the water bath 5 is provided with a second heating member for heating the water bath 5; the second heating parts are provided with two groups, the two groups of second heating parts are respectively positioned on two opposite sides of the saturator 6 and comprise a support frame 51 and an air heater 52, the air heater 52 is detachably arranged on the support frame 51, and an air outlet of the air heater 52 faces the inside of the water bath 5; the first heating element is used for keeping the temperature of the saturator 6 within a specified temperature range, such as the saturator 6 temperature is stabilized at 37 ℃; the second heating member is used to maintain the temperature of the water bath 5 within a specified temperature range, such as the temperature of the water bath 5 being stabilized at 60 ℃; so as to provide a suitable reaction temperature for the potassium superoxide.

Referring to fig. 3 and 4, a liquid level sensor 63 is installed in the saturator 6, the liquid level sensor 63 senses the water level in the saturator 6 in real time and outputs a liquid level detection signal, and the liquid level sensor 63 is coupled with a water level prompt circuit, which includes a signal comparison unit 90, a switching unit 91 and a prompt unit 92.

Referring to fig. 4, a signal comparing unit 90 is coupled to the liquid level sensor 63 and is connected to a threshold signal, the signal comparing unit 90 compares the liquid level detection signal with a threshold signal VREF and outputs a comparison signal, the comparison signal including a first comparison signal and a second comparison signal; the first comparison signal is a high level signal, and the second comparison signal is a low level signal; the signal comparing unit 90 includes a comparator N, wherein a first signal input end of the comparator N is an inverting voltage input end, and a second signal input end of the comparator N is a non-inverting voltage input end; the liquid level sensor 63 is coupled to a first signal input terminal of the comparator N, a second signal input terminal of the comparator N is connected to the threshold signal VREF, and a signal output terminal of the comparator N is coupled to a signal output terminal of the comparator N.

Referring to fig. 4, the switch unit 91 is coupled to the signal comparing unit 90 and is connected in series in the power supply loop of the prompt unit 92, so as to output a switch signal after receiving the comparing signal, wherein the switch signal includes an on signal and an off signal, and the switch unit 91 outputs the on signal to the prompt unit 92 when receiving the first comparing signal, so as to control the prompt unit 92 to output the prompt signal; the switch unit 91 outputs a shutdown signal to the prompt unit 92 when receiving the second comparison signal to control the prompt unit 92 to shutdown; the switch unit 91 includes an NPN transistor Q, and the prompt unit 92 includes a buzzer HA mounted on a side wall (not shown) of the saturator 6.

Referring to fig. 4, a base of a triode Q is coupled to a signal output end of the comparator N, and a collector of the triode Q is coupled to a power supply after being connected in series with the buzzer HA; the emitter of the triode Q is grounded; when the liquid level of the saturator 6 is high, the liquid level detection signal output by the liquid level sensor 63 is greater than the threshold signal VREF, and the comparator N outputs a first comparison signal of high level; the base electrode of the triode Q is conducted when receiving a first high-level comparison signal, and the buzzer HA is conducted to make a sound (namely a prompt signal) so as to prompt a worker to add water in time; when the liquid level of the saturator 6 is low or is about to run out, the liquid level detection signal output by the liquid level sensor 63 is smaller than the threshold signal VREF, and the comparator N outputs a low-level second comparison signal; the base electrode of the triode Q is cut off when receiving the second comparison signal of the low level, and the buzzer HA is cut off and does not send out a prompt signal.

The implementation principle of the organic matter testing device in the embodiment of the application is as follows: when testing residual organic matters in potassium superoxide, firstly covering the cover plate 2 at the top opening position of the reaction vessel 1, then supplying oxygen and carbon dioxide into the saturator 6 through the supply component and the air supply component 8, converting dry oxygen and carbon dioxide gas into saturated moisture containing water by the saturator 6, and then introducing oxygen and carbon dioxide into the reaction vessel 1 through the air duct 3 by the saturator 6, wherein at the moment, the first heating element also heats the water in the water bath 5 into water with higher temperature, such as 60 ℃; and the second heating member keeps the stability of the water bath 5 at 37 ℃; the water bath 5 raises the temperature inside the reaction vessel 1 through heat conduction, after the reaction vessel 1 is filled with oxygen and carbon dioxide, the cover plate 2 is opened and potassium superoxide tablets to be tested are added on the object placing plate 4 in the reaction vessel 1; then covering the cover plate 2 and waiting for the tablet reaction, if the potassium superoxide tablet has the phenomena of ignition, detonation or smoking and the like within 30 minutes, the absence of the phenomena indicates that the potassium superoxide tablet has no residual organic matters, and the product quality is qualified; if the phenomenon is the above, the existence of residual organic matters in the potassium superoxide tablet is indicated, and the quality of the product is unqualified;

further, the reaction principle of the potassium superoxide is as follows: the air duct 3 is used for introducing oxygen into the reaction vessel 1 to improve the purity of the oxygen in the reaction vessel 1, thereby being beneficial to the combustion of organic matters (if the potassium superoxide tablets exist and the organic matters exist); the carbon dioxide is introduced to provide reactants for the potassium superoxide tablets, namely, the carbon dioxide and the potassium superoxide can react chemically, so that the temperature of the reaction vessel 1 is increased exothermically, and if organic matters exist in the potassium superoxide tablets, the potassium superoxide tablets can have burning or flaming phenomena under the oxygen-enriched condition, so that whether the potassium superoxide tablets contain the organic matters or not is judged; thereby providing a testing device which is convenient for detecting residual organic matters in the potassium superoxide.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The organic matter testing device is characterized by comprising a reaction container (1) with an opening at the top, a cover plate (2) and an air duct (3) for introducing oxygen and carbon dioxide into the reaction container (1); a storage plate (4) for storing potassium superoxide tablets is arranged in the reaction container (1), the cover plate (2) is detachably covered at the position of the reaction container (1) where the opening is formed, and the cover plate (2) is provided with an exhaust port (21); the gas guide pipe (3) is communicated with the reaction vessel (1); the organic matter testing device also comprises a water bath (5) for heating the reaction container (1) in a water bath.

2. An organic matter testing device according to claim 1, further comprising a saturator (6), an oxygen supply assembly (7) for providing oxygen and a gas supply assembly (8) for providing carbon dioxide; the saturator (6) is provided with two air inlets, and the oxygen supply assembly (7) is communicated with one of the air inlets of the saturator (6); the air supply assembly (8) is communicated with the other air inlet of the saturator (6); the saturator (6) is communicated with one end of the air duct (3) far away from the reaction vessel (1).

3. The organic matter testing device according to claim 1, wherein an inner air duct (11) is arranged in the reaction container (1), one end of the inner air duct (11) is communicated with the air duct (3), and the other end of the inner air duct (11) is bent towards the bottom of the reaction container (1).

4. An organic matter testing device according to claim 1, wherein the reaction vessel (1) and the cover plate (2) are both of transparent material.

5. An organic matter testing device according to claim 2, characterized in that the saturator (6) is provided with a first heating element for heating the saturator (6); the water bath (5) is provided with a second heating element for heating the water bath (5).

6. An organic matter testing device according to claim 1, characterized in that the water bath (5) is a shell with a hollow interior and an open top; the reaction vessel (1) is positioned at the top of the water bath (5).

7. The organic matter testing device according to claim 5, wherein the second heating element comprises a support frame (51) and a hot air blower (52), the hot air blower (52) is detachably mounted on the support frame (51), and an air outlet of the hot air blower (52) faces the inside of the water bath (5).

8. The organic matter testing device according to claim 2, wherein a liquid level sensor (63) is installed in the saturator (6), the liquid level sensor (63) senses the water level in the saturator (6) in real time and outputs a liquid level detection signal, the liquid level sensor (63) is coupled with a water level prompt circuit, and the water level prompt circuit comprises a signal comparison unit (90), a switch unit (91) and a prompt unit (92);

a signal comparison unit (90) coupled to the liquid level sensor (63) and accessing a threshold signal, the signal comparison unit (90) comparing the liquid level detection signal with the threshold signal and outputting a comparison signal, the comparison signal comprising a first comparison signal and a second comparison signal;

the switch unit (91) is coupled to the signal comparison unit (90) and is connected in series in the power supply loop of the prompt unit (92) so as to output a switch signal after receiving the comparison signal, wherein the switch signal comprises an on signal and an off signal, and the switch unit (91) outputs the on signal to the prompt unit (92) when receiving the first comparison signal so as to control the prompt unit (92) to output the prompt signal; the switch unit (91) outputs a shutdown signal to the prompt unit (92) when receiving the second comparison signal, so as to control the prompt unit (92) to shut down.