CN210665573U - Oxygen bomb and calorimeter for coal sample heat value analysis - Google Patents
Oxygen bomb and calorimeter for coal sample heat value analysis Download PDFInfo
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- CN210665573U CN210665573U CN201921129788.0U CN201921129788U CN210665573U CN 210665573 U CN210665573 U CN 210665573U CN 201921129788 U CN201921129788 U CN 201921129788U CN 210665573 U CN210665573 U CN 210665573U
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Abstract
The utility model discloses an oxygen bullet for coal sample calorific value analysis, including the oxygen bullet body, the oxygen bullet body is equipped with anodal connecting portion, the negative pole connecting portion, this internal metal crucible of placing of oxygen bullet, this internal conductive probe that is equipped with of oxygen bullet, conductive probe's upper end is equipped with the positive connecting portion that circular telegram portion is used for with the oxygen bullet body, at least one connecting portion in the negative pole connecting portion link to each other, conductive probe's lower extreme is equipped with high-voltage discharge portion and is used for stretching into in the crucible, circular telegram portion simultaneously with anodal connecting portion during the operation, negative pole connecting portion are connected the circular telegram and are used for making high-voltage discharge portion form high-voltage arc discharge in the crucible and respectively alone with anodal connecting portion with burning coal sample/circular telegram portion and crucible, negative pole connecting portion link to each other the circular telegram. The utility model also discloses a calorimeter. The utility model has the advantages of simple structure is compact, convenient operation is swift, repeatedly usable, the security is high, the experiment precision is high.
Description
Technical Field
The utility model relates to coal sample analytical instrument field, concretely relates to oxygen bullet for coal sample calorific value analysis still relates to a calorimeter for coal sample calorific value analysis.
Background
For the laboratory analysis work of coal samples of materials (such as ores and coal), each country has a mandatory standard and must comply with the standard. For example, the coal sample chemical analysis of coal is taken as an example, the criterion of the working process of the chemical analysis of the coal sample is to perform related chemical analysis on the coal sample meeting the requirement on the premise of not destroying the representativeness of the coal sample, and the precision of the chemical analysis is required to be ensured as much as possible in the process so that the chemical analysis result can reflect the characteristics of the coal sample most truly. In the testing and analyzing work of coal samples of materials (such as ores and coal), a calorimeter is often used for analyzing the heat value of the coal samples, and an oxygen bomb is arranged in the calorimeter. The prior calorimeter often has the following technical problems:
the ignition mode of the calorimeter is basically a fusing mode, namely, a positive and negative two-stage connecting part used for being electrically communicated with the outside is arranged on an oxygen bomb body in the calorimeter, and then a positive and negative two-stage of an ignition wire are respectively connected with the positive and negative two-stage connecting part on the oxygen bomb body. During operation, the positive and negative two-stage connecting parts on the oxygen bomb body are electrified, so that the ignition wire is electrified, heated and fused to realize ignition. The fuse-type mode needs to replace the ignition wire after each test, and the ignition wire cannot be completely burnt and has partial residue, so that the ignition heat of each test is inconsistent, the heat of the residual ignition wire needs to be calculated, and the operation is troublesome; in addition, the residual ignition wire needs to be cleaned after the test is finished, and the workload is increased.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem that: aiming at the problems in the prior art, the oxygen bomb for coal sample heat value analysis is simple and compact in structure, convenient and fast to operate, reusable, high in safety and high in experiment precision, and the calorimeter for coal sample heat value analysis is further provided.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides an oxygen bomb for coal sample calorific value analysis, includes the oxygen bomb body, and the oxygen bomb body is equipped with anodal connecting portion, negative pole connecting portion, and this internal metal crucible of placing of oxygen bomb, this internal electrically conductive probe that is equipped with of oxygen bomb, electrically conductive probe's upper end is equipped with circular telegram portion and is used for linking to each other with at least one connecting portion in anodal connecting portion, the negative pole connecting portion of oxygen bomb body, electrically conductive probe's lower extreme is equipped with high-voltage discharge portion and is used for stretching into the crucible in, during the operation circular telegram portion is connected the circular telegram with anodal connecting portion, the negative pole connecting portion of oxygen bomb body simultaneously and is used for making high-voltage discharge portion form high-voltage arc discharge in the crucible and ignite the coal sample or circular telegram portion and crucible respectively alone with anodal connecting portion, the negative pole connecting portion of oxygen bomb body.
As the utility model discloses a further improvement, circular telegram portion is equipped with positive terminal and negative pole end, is used for respectively with the continuous circular telegram of positive connecting portion, negative pole connecting portion of oxygen bomb body, the high pressure discharge portion includes the first end and the first receiving terminal of discharging of matched with, be equipped with the interval between first end and the first receiving terminal of discharging and form high-voltage arc discharge between first end and the first receiving terminal of discharging after being used for circular telegram.
As a further improvement, the circular telegram portion is equipped with the positive pole connecting portion that the positive terminal is used for playing the body with the oxygen and links to each other, the crucible links to each other with the negative pole connecting portion that the body was played to the oxygen, high-pressure discharge portion includes the second end that discharges, it discharges to be equipped with the interval in order to be used for behind the circular telegram in the second between the bottom surface in second discharge end and the crucible and forms high-voltage arc discharge between the bottom surface.
As a further improvement of the utility model, the electrifying part is connected with the high-voltage discharge part through a conductive material, and the conductive material is coated with an insulating high-temperature-resistant material.
As a further improvement of the utility model, the insulating high temperature resistant material comprises ceramic or silicon nitride.
As a further improvement of the utility model, the high-voltage discharge part is made of platinum material or iridium material.
The calorimeter comprises a box body, wherein the oxygen bomb for coal sample heat value analysis is arranged in the box body.
Compared with the prior art, the utility model has the advantages of:
firstly, the utility model discloses an oxygen bullet for coal sample calorific value analysis adopts the high-pressure discharge portion of conductive probe to form the high-voltage arc discharge mode in the crucible, has stopped the numerous technical problem that the fuse-link formula was igniteed, and crucible repeatedly usable need not change the ignition wire again after experimental at every turn, has reduced intensity of labour and use cost, has improved operation work efficiency greatly, has reduced the experiment operation degree of difficulty.
Secondly the utility model discloses an oxygen bullet for coal sample calorific value analysis has taken special high-voltage arc discharge ignition mode, and not only simple structure is light, can not have the ignition silk remaining moreover for experimental ignition heat at every turn is unanimous, has effectively guaranteed the high accuracy and the operational safety nature of coal sample experiment.
Thirdly, the utility model discloses a calorimeter for coal sample calorific value analysis has used the oxygen bullet as above special setting, has effectively guaranteed the high accuracy and the operational safety of sample experiment.
Drawings
Fig. 1 is a schematic diagram of the internal structure of an oxygen bomb for coal sample calorific value analysis in example 1.
Fig. 2 is a schematic diagram of the internal structure of the oxygen bomb for coal sample calorific value analysis in example 2.
Fig. 3 is a schematic structural principle diagram of the calorimeter for analyzing the heat value of the coal sample.
Illustration of the drawings:
1. an oxygen bomb body; 2. a box body; 3. a crucible; 4. a conductive probe; 41. an energizing part; 42. a high-voltage discharge part.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and drawings.
As shown in fig. 1 and 2, the utility model provides an oxygen bomb for coal sample calorific value analysis, including oxygen bomb body 1, oxygen bomb body 1 is equipped with anodal connecting portion, negative pole connecting portion (current oxygen bomb generally all will use the outer lane of oxygen bomb upper cover body as negative pole connecting portion, the core of oxygen bomb upper cover body is as anodal connecting portion, be used for with external electricity intercommunication, the current conventional design in this field), place metal crucible 3 in oxygen bomb body 1, be equipped with conductive probe 4 in oxygen bomb body 1, conductive probe 4's upper end is equipped with circular telegram portion 41 and is used for linking to each other with at least one connecting portion in anodal connecting portion, the negative pole connecting portion of oxygen bomb body 1, conductive probe 4's lower extreme is equipped with high-pressure discharge portion 42 and is used for stretching into crucible 3 (also when crucible 3 holds the coal sample, high-pressure discharge portion 42 will be in the coal sample inside of crucible 3), circular telegram portion 41 is with the anodal connecting portion of oxygen bomb body, The negative electrode connecting part is connected and electrified to enable the high-voltage discharge part 42 to form high-voltage arc discharge in the crucible 3 so as to ignite the coal sample, or the electrified part 41 and the crucible 3 are respectively and independently connected and electrified with the positive electrode connecting part and the negative electrode connecting part of the oxygen bomb body 1 so as to enable the high-voltage discharge part 42 and the crucible 3 to cooperate to form high-voltage arc discharge so as to ignite the coal sample. That is, the utility model has at least three different embodiments, one is that the electrifying part 41 is connected with the anode connecting part and the cathode connecting part of the oxygen bomb body 1 at the same time; the other is that the electrifying part 41 is separately connected with the anode connecting part of the oxygen bomb body 1, and the crucible 3 is separately connected with the cathode connecting part of the oxygen bomb body 1; in the other case, the current-carrying portion 41 is connected to the negative electrode connecting portion of the oxygen bomb body 1 and the crucible 3 is connected to the positive electrode connecting portion of the oxygen bomb body 1. The specific implementation principle is as follows:
during operation, a certain amount of coal sample is placed in the crucible 3, then the crucible 3 is placed in the oxygen bomb body 1 and sealed, and then the oxygen bomb body 1 is filled with oxygen to 3 MPa. Then the oxygen bomb body 1 is put into the calorimeter, a certain amount of water is filled into an inner barrel of the calorimeter, after the temperature of the water in the inner barrel is stable, the positive electrode and the negative electrode in the oxygen bomb body 1 are electrified, so that the high-voltage discharge part 42 of the conductive probe 4 can form high-voltage arc discharge in the crucible 3, and a coal sample in the crucible 3 is ignited to carry out a heat value analysis experiment (the high-voltage arc discharge refers to high-voltage difference discharge of electric energy, and air beside the high-voltage arc discharge can be punctured to form sparks during discharge, and the conventional knowledge is not described herein again). Through the special scientific design, the method has the following advantages:
firstly, the utility model discloses an oxygen bullet for coal sample calorific value analysis adopts conductive probe 4's high-voltage discharge portion 42 to form the high-voltage arc discharge mode in crucible 3, has stopped the numerous technical problem that the fuse-link formula was igniteed, and crucible 3 repeatedly usable need not change the ignition wire after experimental at every turn again, has reduced intensity of labour and use cost, has improved operation work efficiency greatly, has reduced the experiment operation degree of difficulty.
Secondly the utility model discloses an oxygen bullet for coal sample calorific value analysis has taken special high-voltage arc discharge ignition mode, and not only simple structure is light, and the operation can not have the ignition silk remaining moreover for experimental ignition heat at every turn is unanimous, has effectively guaranteed the high accuracy and the operational safety nature of coal sample experiment.
In light of the above-disclosed features, the present invention provides two specific embodiments. Of course, in light of the features and embodiments disclosed herein, the scope of the present invention is not limited to the manner described below.
Specific application example 1, as shown in fig. 1:
in this embodiment, the electrifying part 41 is provided with a positive terminal (as shown in the figure a) and a negative terminal (as shown in the figure B), and is used for being connected with the positive connecting part and the negative connecting part of the oxygen bomb body 1 respectively to realize electrification, the high-voltage discharging part 42 comprises a first discharging terminal (as shown in the figure C) and a first receiving terminal (as shown in the figure D) which are matched with each other, and a space (as shown in the figure E) is arranged between the first discharging terminal and the first receiving terminal to form high-voltage arc discharge between the first discharging terminal and the first receiving terminal after electrification. That is, the present embodiment discharges between the two poles of the first discharging terminal and the first receiving terminal, and the distance between the two poles is controllable. Of course, the positive and negative stages mentioned above are relative concepts, are for convenience of description and distinction, and are not particularly limited. For example, the outer ring of the oxygen bomb may be used as the cathode, the core of the oxygen bomb as the anode, or the outer ring of the oxygen bomb may be used as the anode, the core of the oxygen bomb as the cathode, and such simple changes should all belong to the protection scope of the present invention.
Specific application example 2, as shown in fig. 2:
in this embodiment, the electrifying part 41 is only provided with a positive terminal (as shown in the figure F) for being connected with the positive terminal connecting part of the oxygen bomb body 1, the metal crucible 3 is connected with the negative terminal connecting part of the oxygen bomb body 1 (the specific connection mode is various, the metal crucible support in the prior art can be adopted for conducting and electrifying, or a connecting wire can be specially arranged to connect the crucible 3 with the negative terminal of the oxygen bomb body 1), the high-voltage discharge part 42 comprises a second discharge terminal (as shown in the figure G), and a distance (as shown in the figure H) is arranged between the second discharge terminal and the inner bottom surface of the crucible 3 for forming high-voltage arc discharge between the second discharge terminal and the inner bottom surface of the crucible 3 (also as the distance. That is, the present embodiment discharges between the second discharge end and the two electrodes of the crucible 3, so that the high-voltage arc discharge ignition is formed. Of course, the positive and negative stages mentioned above are relative concepts, are for convenience of description and distinction, and are not particularly limited. For example, the outer ring of the oxygen bomb may be used as the negative electrode, and the core of the oxygen bomb may be used as the positive electrode; the outer ring of the oxygen bomb can be used as the anode, and the core of the oxygen bomb can be used as the cathode; or the electrifying part 41 is only provided with a negative end for connecting with the negative electrode of the oxygen bomb body 1, and the crucible 3 is connected with the positive electrode of the oxygen bomb body 1; these simple changes are intended to fall within the scope of the present invention.
Further, in the preferred embodiment, the conducting portion 41 and the high-voltage discharging portion 42 are connected by a conductive material, and the conductive material is covered by an insulating high-temperature resistant material. In this embodiment, the insulating refractory material comprises ceramic or silicon nitride.
Further, in the preferred embodiment, the high-voltage discharge portion 42 is made of a platinum material or an iridium material.
As shown in fig. 3, the utility model also provides a calorimeter, including being used for experimental box 2, be equipped with the oxygen bullet that is used for coal sample calorific value analysis as above arbitrary in the box 2, effectively guaranteed the high accuracy and the operational safety of sample experiment.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides an oxygen bomb for coal sample calorific value analysis, includes oxygen bomb body (1), and oxygen bomb body (1) is equipped with anodal connecting portion, negative pole connecting portion, places metal crucible (3) in oxygen bomb body (1), its characterized in that, be equipped with conductive probe (4) in oxygen bomb body (1), the upper end of conductive probe (4) is equipped with circular telegram portion (41) and is used for linking to each other with at least one connecting portion in anodal connecting portion, the negative pole connecting portion of oxygen bomb body (1), the lower extreme of conductive probe (4) is equipped with high-pressure discharge portion (42) and is used for stretching into crucible (3), during the operation circular telegram portion (41) are connected the circular telegram with anodal connecting portion, the negative pole connecting portion of oxygen bomb body (1) simultaneously and are used for making high-pressure arc discharge portion (42) form high-pressure arc discharge in crucible (3) in order to ignite coal sample/or anodal portion (41) and crucible (3) respectively alone with the connecting portion of, The negative electrode connecting part is connected and electrified to ensure that the high-voltage discharge part (42) and the crucible (3) are matched to form high-voltage arc discharge so as to ignite the coal sample.
2. The oxygen bomb for coal sample heat value analysis according to claim 1, wherein the electrifying part (41) is provided with a positive end and a negative end and is used for being respectively connected with the positive connecting part and the negative connecting part of the oxygen bomb body (1) for electrifying, the high-voltage discharge part (42) comprises a first discharge end and a first receiving end which are matched with each other, and a space is arranged between the first discharge end and the first receiving end for forming high-voltage arc discharge between the first discharge end and the first receiving end after electrification.
3. The oxygen bomb for coal sample calorific value analysis according to claim 1, wherein the electrifying part (41) is provided with a positive end for connecting with a positive connecting part of the oxygen bomb body (1), the crucible (3) is connected with a negative connecting part of the oxygen bomb body (1), the high-voltage discharging part (42) comprises a second discharging end, and a space is arranged between the second discharging end and the inner bottom surface of the crucible (3) for forming high-voltage arc discharge between the second discharging end and the inner bottom surface of the crucible (3) after electrification.
4. The oxygen bomb for coal sample calorific value analysis according to claim 1, wherein the electrified part (41) and the high-voltage discharge part (42) are connected through a conductive material, and the conductive material is externally coated with an insulating high-temperature resistant material.
5. The oxygen bomb for coal sample heating value analysis of claim 4, wherein the insulating refractory material comprises ceramic or silicon nitride.
6. The oxygen bomb for coal sample calorific value analysis according to claim 4, wherein the high-voltage discharge portion (42) is made of a platinum material or an iridium material.
7. A calorimeter comprising a box body (2), wherein the box body (2) is internally provided with an oxygen bomb for coal sample heat value analysis according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129788.0U CN210665573U (en) | 2019-07-18 | 2019-07-18 | Oxygen bomb and calorimeter for coal sample heat value analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129788.0U CN210665573U (en) | 2019-07-18 | 2019-07-18 | Oxygen bomb and calorimeter for coal sample heat value analysis |
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| Publication Number | Publication Date |
|---|---|
| CN210665573U true CN210665573U (en) | 2020-06-02 |
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| CN201921129788.0U Active CN210665573U (en) | 2019-07-18 | 2019-07-18 | Oxygen bomb and calorimeter for coal sample heat value analysis |
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| Country | Link |
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| CN (1) | CN210665573U (en) |
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