A piston-type oxygen charging and exhausting device for an oxygen bomb
An exhaust device and piston-type technology, which is applied in the field of analytical instruments, can solve the problems of complex structure of oxygenation and exhaust devices, easy corrosion of gas valves, and easy failures, etc., and achieve simple structure, low production cost, and reliable guarantee sexual effect
Active Publication Date: 2017-04-19
长沙开元仪器有限公司
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Problems solved by technology
[0007] The technical problem to be solved by the present invention is to solve the complex structure of the oxygen charging and exhaust device of the existing oxygen bomb, which is prone to failure, and the oxygen and the corrosive gas in the oxygen bomb are passed in and discharged through the same gas valve, which makes the gas valve easy to The problem of being damaged by corrosion
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[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0029] Such as figure 2 As shown, an embodiment of the piston-type oxygen charging and exhausting device for oxygen bombs of the present invention includes: a cylinder 201 , a piston 202 and a three-way joint 203 . Wherein, the cylinder body 201 has a central cavity, and the piston 202 is axially slidably arranged in the central cavity, and...
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The invention relates to the technical field of analytical apparatuses, particularly a piston-type oxygenation exhauster for oxygen bombs, which comprises a cylinder body, a piston and a tee joint, wherein the cylinder body is provided with a through cavity; the piston can be arranged in the through cavity in an axial slide mode, and can divide the through cavity into a first chamber and a second chamber along the axial direction; the cylinder body is provided with a first gas hole communicated with the first chamber; the piston is provided with an axial through hole, and comprises a first containing hole, a vent hole and a second containing hole for containing an oxygen bomb, which are sequentially communicated; the end of the piston provided with the first containing hole extends out of the cylinder body; and one joint of the tee joint is connected with the first containing hole and communicated with the vent hole, and the other two joints are respectively communicated with a gas inlet valve and an exhaust valve. The piston-type oxygenation exhauster for oxygen bombs can implement oxygenation and exhaust on the oxygen bomb by the matching of the piston and cylinder body, and the oxygen and the gas in the oxygen bomb are respectively introduced and exhausted through the two different valves (gas inlet valve and exhaust valve), thereby avoiding the corrosion damage of the gas in the oxygen bomb to the gas inlet valve.
Description
technical field [0001] The invention relates to the technical field of analytical instruments, in particular to a piston-type oxygen charging and exhausting device for an oxygen bomb. Background technique [0002] A calorimeter is an instrument used to measure the calorific value of various solid and liquid combustible substances. It is usually composed of basic components such as an outer cylinder, an inner cylinder, and an oxygen bomb. Measurement. [0003] Filling the oxygen bomb with oxygen and discharging the gas in the oxygen bomb after the combustion of combustible substances are completed are two necessary processes for the calorimeter test operation. Generally, it is necessary to fill the oxygen bomb with oxygen at a pressure of 3MPa, and the gas in the oxygen bomb contains acid and dust after the combustion is completed. Therefore, there are higher requirements for the oxygen charging and exhaust devices of the oxygen bomb. At present, two devices designed separa...
Claims
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IPC IPC(8): F04B37/10F04B39/10F04B39/00
Inventor 罗建文梁海东周贺彬
Owner 长沙开元仪器有限公司