CN212180672U - Oxygen bomb device of calorimeter - Google Patents
Oxygen bomb device of calorimeter Download PDFInfo
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- CN212180672U CN212180672U CN201922306878.9U CN201922306878U CN212180672U CN 212180672 U CN212180672 U CN 212180672U CN 201922306878 U CN201922306878 U CN 201922306878U CN 212180672 U CN212180672 U CN 212180672U
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Abstract
The utility model provides a calorimeter oxygen bomb device, including playing cup, bullet cap and valve body, the valve body upper end is passed and is played the cap and can dismantle and locate on playing the cup, and the valve body is equipped with sealed the pad with playing the cup junction, plays the cap and plays cup threaded connection, and the valve body includes that lock nut and awl cover for the ignition control mechanism set up at the internal middle part of valve, the valve body still is equipped with the branch pipe, communicates with each other in the one end of branch pipe and the bullet cup, and the other end is equipped with pressure measurement. This scheme is effectual has improved the detection precision of calorimeter, and the pressure that can play the device simultaneously according to the oxygen when the needs of processing keeps unanimous, can carry out real-time supervision to the positive and negative pressure that the device was played to the oxygen to and detect its sealed effect, the effectual detection precision and the efficiency of having improved the measuring thing.
Description
Technical Field
The utility model relates to a fuel calorific value measuring equipment field, especially a calorimeter oxygen bullet device.
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.
An oxygen bomb calorimeter is an instrument for measuring the heat value of solid, liquid and other fuels. The working process is that fuel is placed in a closed oxygen bomb which is resistant to high-pressure combustion, high-pressure oxygen is filled in the oxygen bomb, then current is used for ignition, the fuel is ignited to be fully combusted, and the heat value of the fuel is calculated by calculating the heat released by the oxygen bomb. Because the oxygen cylinder is a high-pressure resistant metal vessel and is difficult to have excellent insulating property, high-pressure electronic ignition is difficult to realize. Secondly, the oxygen bomb calorimeter is a device for measuring heat value, and mainly measures the heat generation of fuel in an oxygen bomb, so the heat generation requirement of ignition is as small and stable as possible, and low-voltage ignition is generally adopted.
The patent number is CN 206459771U discloses a calorimeter oxygen bomb, including oxygen bomb inner tube and oxygen bomb main part, the one end of oxygen bomb main part is provided with oxygen bomb lid fastening ring, the one end of oxygen bomb main part is passed through rubber connecting rod and is linked to each other with the annululus, the annululus is ceramic class component, the one end of oxygen bomb lid fastening ring links to each other with oxygen bomb core, the both sides of oxygen bomb core are provided with the bullet top nut, the both sides of oxygen bomb core are provided with insulating barrier, one side of insulating barrier is provided with the sealing washer clamping ring, the sealing washer clamping ring is hugged closely in one side of insulating barrier, one side of sealing washer clamping ring is provided with the spacer, the middle part of spacer is leaned on the left side and is provided with hexagon nut. The utility model discloses a be provided with central electrode pole to central electrode pole sets up to central positive electrode and central negative electrode, is provided with the baffle moreover between central positive electrode and the central negative electrode, and the baffle is the rubber insulation component, can play fine insulating effect.
However, the oxygen bomb of the heat meter cannot observe and detect the pressure inside the oxygen bomb in real time in the inflation use process or after other experiments are finished, and it cannot be guaranteed that each experiment is carried out in the same pressure environment, so that the accuracy of the experiment result is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above-mentioned not enough of prior art, and providing one kind and being convenient for implement the pressure in detecting and adjusting the oxygen bomb, be convenient for improve the calorimeter oxygen bomb device that detects the precision simultaneously.
The technical scheme of the utility model is that: the utility model provides a calorimeter oxygen bomb device, includes bullet cup, bullet cap and valve body, and the valve body upper end is passed and is played the cap and can dismantle and locate on playing the cup, and the valve body is equipped with sealed the pad with bullet cup junction, plays the cap and plays cup threaded connection, and the valve body includes that lock nut and taper sleeve for the ignition control mechanism set up the middle part in the valve body, the valve body still is equipped with the branch pipe, and the one end of branch pipe communicates with each other in with playing the cup, and the other end is equipped with pressure measurement.
The advantage of this scheme is in, can real-time supervision play the size of cup internal pressure, effectual guaranteed in the experimentation that the testing object can detect under the same pressure environment, be convenient for reduce the influence of bullet cup intussuseption to the testing object, the effectual precision that detects that has improved can also be used for detecting the sealed effect of bullet cup simultaneously, simultaneously can also real-time supervision play the pressure boost and the negative pressure of the interior of cup, the improvement of the experimental precision of being convenient for.
Further, the pressure detection device is a pressure sensor or a pressure gauge. The pressure in the bullet cup is convenient for observe and detect in real time, simultaneously can effectually reduce the influence of different pressures to the test result, the effectual precision that improves the experiment.
Further, the pressure gauge is a positive pressure gauge and a negative pressure gauge. The application range of the oxygen bomb device is convenient to improve, the oxygen bomb device can be used under positive pressure and negative pressure, different detection objects can be conveniently detected, meanwhile, the detection conditions are guaranteed to be consistent, and the detection effect is effectively improved.
Furthermore, an ignition electrode is arranged on the ignition control mechanism, the ignition electrode is arranged at the lower inner middle part of the taper sleeve through a compression cock, a needle valve is arranged at the upper end of the valve body, an ejection cap is arranged at the upper end of the needle valve, the lower end of the ejection cap is connected with the taper sleeve through a pushing nut, and the end part of the lower end of the ejection cap is connected with a red copper pad.
Further, the ignition control mechanism is provided with a first air passage, a second air passage and a third air passage.
Further, the length of the branch pipe is larger than the height of the bullet cup. The influence to pressure measurement in the thing burning process that is convenient for reduce to detect is in the installation, and the bullet cup can be with the branch pipe in all submerging the coolant liquid of calorimeter, the conduction of the temperature of being convenient for, the improvement of the precision of being convenient for to improve simultaneously.
Furthermore, an exhaust valve is arranged on the branch pipe. The pressure in the elastic cup can be conveniently adjusted, when the positive pressure in the elastic cup is too high or the negative pressure in the elastic cup is too small, the elastic cup can be adjusted through the exhaust valve, and the same pressure environment can be conveniently kept when the same type of detection object is detected.
Furthermore, the lower end of the valve body is provided with a heat insulation baffle through a screw, and the ignition electrode penetrates through the heat insulation baffle and extends downwards to the middle lower part of the elastic cup. The influence of the combustion heat of the detection object on the valve body is convenient to reduce, and the service life of the valve body is convenient to improve.
Furthermore, the screw rod extends downwards, the end part of the screw rod is provided with an object stage, and the upper end surface of the object stage is 1-10mm away from the lower end of the ignition electrode. The efficiency of the ignition is convenient for improve, reduces the excessive loss of energy in the ignition process, is convenient for improve the improvement of detection precision.
Further, the object stage is a crucible or an object carrying net. Preferably, the objective table adopts the thing net that carries, when the measuring object burns, is convenient for improve the abundant contact of measuring object and bullet cup oxygen, is convenient for improve its area of contact with oxygen, improves and detects the precision.
The utility model has the characteristics of as follows:
this scheme is effectual has improved the detection precision of calorimeter, and the pressure that can play the device simultaneously according to the oxygen when the needs of processing keeps unanimous, can carry out real-time supervision to the positive and negative pressure that the device was played to the oxygen to and detect its sealed effect, the effectual detection precision and the efficiency of having improved the measuring thing.
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
1-ejection top cap, 2-pushing nut, 3-ejection cap, 4-first sealing gasket, 5-taper sleeve, 6-compression cock, 7-heat insulation baffle, 8-ignition electrode, 9-pressure gauge, 10-exhaust valve, 11-branch pipe, 12-needle valve, 13-first vent channel, 14-copper gasket, 15-elastomer, 16-screw, 17-crucible, 18-valve body, 19-second sealing gasket, 20-second vent channel and 21-third vent channel.
Detailed Description
As shown in the attached drawings: the utility model provides a calorimeter oxygen bomb device, includes bullet cup, bullet cap 3 and valve body 18, 18 upper ends of valve body pass bullet cap 3 can dismantle and locate on the bullet cup, valve body 18 is equipped with sealed the pad with bullet cup junction, bullet cap 3 with play cup threaded connection, valve body 18 includes that firing control mechanism communicates with each other in the middle part in valve body 18 with lock nut and taper sleeve 5 setting, valve body 18 still is equipped with branch pipe 11, the one end of branch pipe 11 with play cup in, the other end is equipped with pressure measurement.
Preferably, the sealing gasket comprises a first sealing gasket 4 and a second sealing gasket 19, the first sealing gasket 4 is positioned on the contact surface of the outer side of the valve body 18 and the inner side of the elastic cup and is embedded on the valve body 18; the second sealing gasket 19 is positioned on the contact surface of the valve body 18 and the upper end of the opening of the elastic body 15, so that the sealing effect is more prominent, the sealing effect is improved in a multi-layer manner, and the sealing effect is effectively improved.
This scheme can the real-time supervision play the size of cup internal pressure, and the effectual detection thing of having guaranteed in the experimentation can detect under the same pressure environment, is convenient for reduce the influence of bullet cup intussuseption to the detection thing, the effectual precision that detects that has improved, can also be used for detecting the sealed effect that plays the cup simultaneously, simultaneously can also real-time supervision play the pressure boost and the negative pressure of the interior of cup, the improvement of the experimental precision of being convenient for.
The pressure detection device is a pressure sensor or a pressure gauge 9. The pressure in the bullet cup is convenient for observe and detect in real time, simultaneously can effectually reduce the influence of different pressures to the test result, the effectual precision that improves the experiment.
The pressure gauge 9 is a positive pressure gauge 9 and a negative pressure gauge 9. The application range of the oxygen bomb device is convenient to improve, the oxygen bomb device can be used under positive pressure and negative pressure, different detection objects can be conveniently detected, meanwhile, the detection conditions are guaranteed to be consistent, and the detection effect is effectively improved.
An ignition electrode 8 is arranged on the ignition control mechanism, and the ignition electrode 8 is arranged in the middle of the lower inner part of the taper sleeve 5 by a compression cock 6; the upper end of the valve body 18 is provided with a needle valve 12, the upper end of the needle valve 12 is provided with an ejection cap 1, the lower end of the ejection cap is connected with a taper sleeve 5 by a pushing nut 2, and the end part of the lower end is connected with a red copper pad 14.
When the bullet cup is inflated, the pushing nut 2 is screwed, the lower end part of the needle valve 12 is separated from the red copper pad 14 to form an air inlet channel, and after the inflation is finished, the pushing nut 2 is screwed in, so that the lower end part of the needle valve 12 is contacted with the red copper pad 14, the sealing effect is achieved, and the gas filled in the bullet cup is prevented from leaking;
the ignition control mechanism is provided with a first air passage 13, a second air passage 20 and a third air passage 21; preferably, the needle valve 12 lower extreme is equipped with the side opening, the side opening communicates with each other with the toper of needle valve 12 lower extreme, thereby form first air flue 13, be equipped with the through-hole in the middle of the red copper pad 14, this through-hole is second air flue 20 promptly, it is equipped with the through-hole in the middle of the cock 6 to compress tightly, its lower extreme both sides are equipped with the side opening simultaneously, the middle through-hole and the lateral part through-hole that compress tightly cock 6 are third air flue 21 promptly, be convenient for improve gas filled efficiency, be convenient for simultaneously sealed effect, can also add the movable valve in the cock 6 compresses tightly, be convenient for reduce the gaseous leakage in the.
The length of the branch pipe 11 is greater than the height of the cup magazine. The influence on the pressure detection device in the combustion process of the detection object is convenient to reduce, the elastic cup can immerse the branch pipe 11 into the cooling liquid of the calorimeter in the installation process, the temperature conduction is convenient, and meanwhile, the detection precision is convenient to improve.
The branch pipe 11 is provided with an exhaust valve 10. The pressure in the bomb cup can be conveniently adjusted, when the positive pressure in the bomb cup is too high or the negative pressure in the bomb cup is too small, the positive pressure can be adjusted through the exhaust valve 10, and the same pressure environment can be conveniently kept when the same type of detection object is detected.
The lower end of the valve body 18 is provided with a heat insulation baffle 7 through a screw 16, and the ignition electrode 8 penetrates through the heat insulation baffle 7 and extends downwards to the middle lower part of the bullet cup. The influence of the combustion heat of the detected object on the valve body 18 is reduced, and the service life of the valve body 18 is prolonged. Preferably, a through hole is formed inside one of the screws 16 and penetrates through the valve body 18, the upper end of the screw 16 is welded and fixed with the branch pipe 11 and is communicated with the branch pipe 11, so that a pressure detection channel is formed, the pressure gauge 9 can conveniently detect the pressure in the elastomer 15, and the screw 16 is in threaded sealing connection with the valve body 18, and the sealing effect is improved.
The screw 16 extends downwards, the end part of the screw is provided with an object stage, and the upper end surface of the object stage is 1-10mm away from the lower end of the ignition electrode 8. The efficiency of the ignition is convenient for improve, reduces the excessive loss of energy in the ignition process, is convenient for improve the improvement of detection precision.
The stage is a crucible 17 or a carrier web. Preferably, the objective table adopts the thing net that carries, when the measuring object burns, is convenient for improve the abundant contact of measuring object and bullet cup oxygen, is convenient for improve its area of contact with oxygen, improves and detects the precision.
When the oxygen bomb device is used, a detection object is placed on an object stage on the oxygen bomb device, then the valve body 18 and the bomb cap 3 are covered on the bomb body 15, after the bomb body is tightly covered, high-pressure oxygen is adopted to flush oxygen into the oxygen bomb device, the flushing pressure is set pressure or the pressure is not less than the set pressure, when the pressure exceeds the set pressure, the pressure in the oxygen bomb device can be adjusted through the exhaust valve 10, and the oxygen bomb device is placed in a calorimeter after the set pressure is reached, so that the detection of the detection object is started.
The preferred embodiments of the invention have been described in detail above, but it is obvious that the invention is not limited to the above embodiments only. Within the technical concept range of the utility model, various equivalent variants can be carried out on the technical scheme of the utility model, and the equivalent variants all belong to the protection range of the utility model. In addition, it should be noted that the respective technical features described in the above embodiments may be separately and independently combined as long as they are within the technical concept of the present invention.
Claims (10)
1. The utility model provides a calorimeter oxygen bomb device, includes bullet cup, bullet cap and valve body, and the valve body upper end is passed and is played the cap and can dismantle and locate on playing the cup, and the valve body is equipped with sealed the pad with bullet cup junction, plays the cap and plays cup threaded connection, and the valve body includes that lock nut and awl cover for the ignition control mechanism set up middle part, its characterized in that in the valve body: the valve body is also provided with a branch pipe, one end of the branch pipe is communicated with the interior of the bullet cup, and the other end of the branch pipe is provided with a pressure detection device.
2. The calorimeter oxygen bomb device of claim 1, wherein: the pressure detection device is a pressure sensor or a pressure gauge.
3. The calorimeter oxygen bomb device of claim 2, wherein: the pressure gauge is a positive pressure gauge and a negative pressure gauge.
4. The calorimeter oxygen bomb device of claim 1, wherein: the ignition control mechanism is provided with an ignition electrode which is arranged at the lower inner middle part of the taper sleeve by a compression cock, the upper end of the valve body is provided with a needle valve, the upper end of the needle valve is provided with an ejection cap, the lower end of the ejection cap is connected with the taper sleeve by a pushing nut, and the end part of the lower end of the ejection cap is connected with a red copper pad.
5. The calorimeter oxygen bomb device of claim 4, wherein: the ignition control mechanism is provided with a first air passage, a second air passage and a third air passage.
6. The calorimeter oxygen bomb device of claim 1, wherein: the length of the branch pipe is larger than the height of the bullet cup.
7. The calorimeter oxygen bomb device of claim 6, wherein: and the branch pipe is provided with an exhaust valve.
8. The calorimeter oxygen bomb device of claim 1, wherein: the lower end of the valve body is provided with a heat insulation baffle through a screw, and the ignition electrode penetrates through the heat insulation baffle and extends downwards to the middle lower part of the bouncing cup.
9. The calorimeter oxygen bomb device of claim 8, wherein: the screw rod extends downwards, the end part of the screw rod is provided with an object stage, and the upper end surface of the object stage is 1-10mm away from the lower end of the ignition electrode.
10. The calorimeter oxygen bomb device of claim 9, wherein: the object stage is a crucible or an object carrying net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922306878.9U CN212180672U (en) | 2019-12-20 | 2019-12-20 | Oxygen bomb device of calorimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922306878.9U CN212180672U (en) | 2019-12-20 | 2019-12-20 | Oxygen bomb device of calorimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212180672U true CN212180672U (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922306878.9U Active CN212180672U (en) | 2019-12-20 | 2019-12-20 | Oxygen bomb device of calorimeter |
Country Status (1)
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|---|---|
| CN (1) | CN212180672U (en) |
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2019
- 2019-12-20 CN CN201922306878.9U patent/CN212180672U/en active Active
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