CN210681919U - Diethyl carbonate storage tank oxygen content control device - Google Patents
Diethyl carbonate storage tank oxygen content control device Download PDFInfo
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- CN210681919U CN210681919U CN201920642434.XU CN201920642434U CN210681919U CN 210681919 U CN210681919 U CN 210681919U CN 201920642434 U CN201920642434 U CN 201920642434U CN 210681919 U CN210681919 U CN 210681919U
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Abstract
The utility model relates to a diethyl carbonate storage tank oxygen content controlling means. The technical scheme is as follows: the upper portion gaseous phase space of storage tank installs the breather valve on the upper portion of storage tank, and the lower part of breather valve is connected to the upper portion of storage tank through the connecting pipe, and the upper portion of breather valve is equipped with air inlet, is equipped with the tail gas export in the lower part of breather valve, is equipped with oxygen content detector on the upper portion of storage tank, is connected with supplementary nitrogen gas pipeline on the upper portion of storage tank, installs adjusting valve on supplementary nitrogen gas pipeline, and adjusting valve passes through the transmission line and is connected to oxygen content detector. The utility model has the advantages that: the utility model discloses under the condition of saving nitrogen gas, the automatic diethyl carbonate storage tank that prevents takes place to fire and explode, realizes automatic control storage tank oxygen content, and nitrogen gas consumption is less, saves the resource.
Description
Technical Field
The utility model relates to a chemical industry field, in particular to diethyl carbonate storage tank oxygen content controlling means.
Background
The diethyl carbonate storage tank is often in an explosion atmosphere, in order to prevent the diethyl carbonate storage tank from gas-phase explosion, the most conventional and most effective method at present is to adopt a gas-phase nitrogen protection method, nitrogen is continuously supplemented from a storage tank breather valve, and along with the operation of the storage tank, the nitrogen is continuously supplemented and exhaled, so that the gas phase in the storage tank is kept in a low-oxygen or even anaerobic state.
Disclosure of Invention
The utility model aims at providing a diethyl carbonate storage tank oxygen content controlling means to the above-mentioned defect that prior art exists, saving under the condition of nitrogen gas, automatic prevent that the diethyl carbonate storage tank from taking place to fire and explode.
The technical scheme is as follows: including the storage tank, the breather valve, adjusting valve, the oxygen content detector, the supplementary nitrogen gas pipeline, air inlet, the tail gas export, the upper portion gas phase space of storage tank, install the breather valve on the upper portion of storage tank, the lower part of breather valve is connected to the upper portion of storage tank through the connecting pipe, the upper portion of breather valve is equipped with air inlet, be equipped with the tail gas export in the lower part of breather valve, upper portion at the storage tank is equipped with the oxygen content detector, upper portion at the storage tank is connected with the supplementary nitrogen gas pipeline, install adjusting valve on the supplementary nitrogen gas pipeline, adjusting valve passes through transmission line connection to oxygen content detector.
Preferably, the breather valve is an explosion-proof breather valve.
Preferably, the regulating valve on the nitrogen supplementing pipeline is a pneumatic valve.
Preferably, the diethyl carbonate is filled in the storage tank, the upper part of the storage tank is a gas phase space, the lower end of the breather valve is connected with the gas phase space of the storage tank, the lower end of the oxygen content detector is connected with the gas phase space of the storage tank, and the nitrogen supplementing pipeline is connected with the gas phase space of the storage tank.
Preferably, the oxygen content detector detects the volume content of oxygen, the volume content of gas-phase oxygen transmitted to the regulating valve storage tank by the oxygen content detector is higher than 9.5 percent, and the regulating valve is opened; the content of gas phase oxygen in the storage tank is lower than 9.5 percent, and the regulating valve is closed.
The utility model has the advantages that: the utility model discloses under the condition of saving nitrogen gas, automatic prevent that the diethyl carbonate storage tank from taking place to explode, the utility model discloses set up the oxygen content detector on the gas phase space of storage tank, and set up the adjusting valve on replenishing the nitrogen gas pipeline, adjust the adjusting valve on replenishing the nitrogen gas pipeline according to the detected data of oxygen content detector, when the gaseous oxygen volume content in the storage tank is higher than 9.5%, the adjusting valve is opened and is let in nitrogen gas; when the content of the oxygen in the gas phase in the storage tank is lower than 9.5%, the regulating valve is closed to stop introducing the nitrogen, so that the volume content of the oxygen in the gas phase of the storage tank is lower than 9.5%, the automatic control of the oxygen content in the storage tank is realized, the nitrogen consumption is low, and the resources are saved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of embodiment 2;
in the figure: the device comprises a storage tank 1, a breather valve 2, a regulating valve 3, an oxygen content detector 4, a nitrogen supplementing pipeline 5, an air inlet 6, a tail gas outlet 7, a transmission line 8 and a second oxygen content detector 9.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1:
the utility model discloses a storage tank 1, breather valve 2, adjusting valve 3, oxygen content detector 4, supplementary nitrogen gas pipeline 5, air inlet 6, tail gas outlet 7, storage tank 1's upper portion gas phase space, breather valve 2 is installed on storage tank 1's upper portion, breather valve 2's lower part is connected to storage tank 1's upper portion through the connecting pipe, breather valve 2's upper portion is equipped with air inlet 6, lower part at breather valve 2 is equipped with tail gas outlet 7, upper portion at storage tank 1 is equipped with oxygen content detector 4, upper portion at storage tank 1 is connected with supplementary nitrogen gas pipeline 5, install adjusting valve 3 on supplementary nitrogen gas pipeline 5, adjusting valve 3 is connected to oxygen content detector 4 through transmission line 8, adjusting valve on the detection data regulation supplementary nitrogen gas pipeline according to oxygen content detector, realize automatic control storage tank oxygen content, and nitrogen gas consumption is less.
Wherein, breather valve 2 is explosion-proof breather valve, and explosion-proof breather valve security performance is high, and in the storage tank operation process, the breather valve still normally breathes in the expired air.
In addition, the adjusting valve 3 on the nitrogen supplementing pipeline 5 is a pneumatic valve, the pneumatic valve is driven by compressed air, the pneumatic valve is used for realizing automatic closing and automatic opening of the valve, and the oxygen content of the storage tank is automatically controlled.
In addition, the diethyl carbonate is filled in the storage tank 1, the upper part of the storage tank 1 is a gas phase space, the lower end of the breather valve 2 is connected with the gas phase space of the storage tank 1, the lower end of the oxygen content detector 4 is connected with the gas phase space of the storage tank 1, the nitrogen supplementing pipeline 5 is connected with the gas phase space of the storage tank 1, and in the operation process of the storage tank, the breather valve still normally breathes in and breathes out air, so that the oxygen content detector can detect the oxygen content, and the nitrogen supplementing pipeline can supplement nitrogen into the storage tank.
Moreover, the oxygen content detector 4 detects the volume content of the oxygen, the oxygen content detector 4 transmits the volume content of the gas phase oxygen in the storage tank 1 of the regulating valve 3 to be higher than 9.5 percent through the transmission line 8, and the regulating valve 3 is opened; the content of oxygen in the gas phase in the storage tank 1 is lower than 9.5%, the regulating valve 3 is closed, the content of oxygen in the gas phase in the storage tank is lower than 9.5%, and the diethyl carbonate storage tank is automatically prevented from being exploded under the condition of saving nitrogen.
In the operation process of the storage tank, the breathing valve still normally breathes in and breathes out air, an oxygen content detector is arranged on a gas phase space of the storage tank, a regulating valve is arranged on a nitrogen supplementing pipeline, the regulating valve on the nitrogen supplementing pipeline is regulated according to the detection data of the oxygen content detector, and when the volume content of gas phase oxygen in the storage tank is higher than 9.5 percent, the regulating valve is opened to introduce nitrogen; when the oxygen content of the gas phase in the storage tank is lower than 9.5%, the regulating valve is closed to stop introducing nitrogen, so that the oxygen volume content of the gas phase in the storage tank is lower than 9.5%.
The utility model discloses under the condition of saving nitrogen gas, automatic prevent that the diethyl carbonate storage tank from taking place to explode, the utility model discloses set up the oxygen content detector on the gas phase space of storage tank, and set up the adjusting valve on replenishing the nitrogen gas pipeline, adjust the adjusting valve on replenishing the nitrogen gas pipeline according to the detected data of oxygen content detector, when the gaseous oxygen volume content in the storage tank is higher than 9.5%, the adjusting valve is opened and is let in nitrogen gas; when the content of the oxygen in the gas phase in the storage tank is lower than 9.5%, the regulating valve is closed to stop introducing the nitrogen, so that the volume content of the oxygen in the gas phase of the storage tank is lower than 9.5%, the automatic control of the oxygen content in the storage tank is realized, the nitrogen consumption is low, and the resources are saved.
Example 2:
the utility model discloses a storage tank 1, breather valve 2, adjusting valve 3, oxygen content detector 4, supplementary nitrogen gas pipeline 5, air inlet 6, tail gas outlet 7, storage tank 1's upper portion gas phase space, breather valve 2 is installed on storage tank 1's upper portion, breather valve 2's lower part is connected to storage tank 1's upper portion through the connecting pipe, breather valve 2's upper portion is equipped with air inlet 6, lower part at breather valve 2 is equipped with tail gas outlet 7, upper portion at storage tank 1 is equipped with oxygen content detector 4, upper portion at storage tank 1 is connected with supplementary nitrogen gas pipeline 5, install adjusting valve 3 on supplementary nitrogen gas pipeline 5, adjusting valve 3 is connected to oxygen content detector 4 through transmission line 8, adjusting valve on the detection data regulation supplementary nitrogen gas pipeline according to oxygen content detector, realize automatic control storage tank oxygen content, and nitrogen gas consumption is less.
Wherein, breather valve 2 is explosion-proof breather valve, and explosion-proof breather valve security performance is high, and in the storage tank operation process, the breather valve still normally breathes in the expired air.
In addition, the adjusting valve 3 on the nitrogen supplementing pipeline 5 is a pneumatic valve, the pneumatic valve is driven by compressed air, the pneumatic valve is used for realizing automatic closing and automatic opening of the valve, and the oxygen content of the storage tank is automatically controlled.
In addition, the diethyl carbonate is filled in the storage tank 1, the upper part of the storage tank 1 is a gas phase space, the lower end of the breather valve 2 is connected with the gas phase space of the storage tank 1, the lower end of the oxygen content detector 4 is connected with the gas phase space of the storage tank 1, the nitrogen supplementing pipeline 5 is connected with the gas phase space of the storage tank 1, and in the operation process of the storage tank, the breather valve still normally breathes in and breathes out air, so that the oxygen content detector can detect the oxygen content, and the nitrogen supplementing pipeline can supplement nitrogen into the storage tank.
Moreover, the oxygen content detector 4 detects the volume content of the oxygen, the oxygen content detector 4 transmits the volume content of the gas phase oxygen in the storage tank 1 of the regulating valve 3 to be higher than 9.5 percent through the transmission line 8, and the regulating valve 3 is opened; the content of oxygen in the gas phase in the storage tank 1 is lower than 9.5%, the regulating valve 3 is closed, the content of oxygen in the gas phase in the storage tank is lower than 9.5%, and the diethyl carbonate storage tank is automatically prevented from being exploded under the condition of saving nitrogen.
And, parallelly connected have second oxygen content detector 9 on transmission line 8, can realize two detections, avoid oxygen content detector and the second oxygen content detector one of them potential safety hazard that the detection failure brought, increase the security.
In the operation process of the storage tank, the breathing valve still normally breathes in and breathes out air, an oxygen content detector is arranged on a gas phase space of the storage tank, a regulating valve is arranged on a nitrogen supplementing pipeline, the regulating valve on the nitrogen supplementing pipeline is regulated according to the detection data of the oxygen content detector, and when the volume content of gas phase oxygen in the storage tank is higher than 9.5 percent, the regulating valve is opened to introduce nitrogen; when the oxygen content of the gas phase in the storage tank is lower than 9.5%, the regulating valve is closed to stop introducing nitrogen, so that the oxygen volume content of the gas phase in the storage tank is lower than 9.5%.
The utility model discloses under the condition of saving nitrogen gas, automatic prevent that the diethyl carbonate storage tank from taking place to explode, the utility model discloses set up the oxygen content detector on the gas phase space of storage tank, and set up the adjusting valve on replenishing the nitrogen gas pipeline, adjust the adjusting valve on replenishing the nitrogen gas pipeline according to the detected data of oxygen content detector, when the gaseous oxygen volume content in the storage tank is higher than 9.5%, the adjusting valve is opened and is let in nitrogen gas; when the gaseous oxygen content is less than 9.5% in the storage tank, the governing valve is closed and is stopped letting in nitrogen gas, guarantees that the oxygen volume content in the gaseous of storage tank is less than 9.5%, realizes automatic control storage tank oxygen content, and nitrogen gas consumption is less, saves the resource, has second oxygen content detector 9 in parallel connection on transmission line 8, can realize two detections, avoids oxygen content detector and the potential safety hazard that one of them detection failure of second oxygen content detector brought, increases the security.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (4)
1. The utility model provides a diethyl carbonate storage tank oxygen content controlling means which characterized by: comprises a storage tank (1), a breather valve (2), an adjusting valve (3), an oxygen content detector (4), a nitrogen supplementing pipeline (5), an air inlet (6) and a tail gas outlet (7), wherein the upper gas phase space of the storage tank (1), the breather valve (2) is arranged on the upper part of the storage tank (1), the lower part of the breather valve (2) is connected to the upper part of the storage tank (1) through a connecting pipe, the upper part of the breather valve (2) is provided with the air inlet (6), the lower part of the breather valve (2) is provided with the tail gas outlet (7), the upper part of the storage tank (1) is provided with the oxygen content detector (4), the upper part of the storage tank (1) is connected with the nitrogen supplementing pipeline (5), the adjusting valve (3) is arranged on the nitrogen supplementing pipeline (5), the adjusting valve (3) is connected to the oxygen content detector (4) through a transmission line (8, a second oxygen content detector (9) is connected in parallel on the transmission line (8).
2. The apparatus for controlling oxygen content in diethyl carbonate tank as claimed in claim 1, wherein: the adjusting valve (3) on the nitrogen supplementing pipeline (5) is a pneumatic valve.
3. The apparatus for controlling oxygen content in diethyl carbonate tank as claimed in claim 1, wherein: diethyl carbonate is filled in the storage tank (1), the upper part of the storage tank (1) is a gas phase space, the lower end of the breather valve (2) is connected with the gas phase space of the storage tank (1), the lower end of the oxygen content detector (4) is connected with the gas phase space of the storage tank (1), and the nitrogen supplementing pipeline (5) is connected with the gas phase space of the storage tank (1).
4. The apparatus of claim 3, wherein the apparatus comprises: the oxygen content detector (4) detects the volume content of oxygen, the volume content of gas phase oxygen in the storage tank (1) which is transmitted to the regulating valve (3) by the oxygen content detector (4) through the transmission line (8) is higher than 9.5%, and the regulating valve (3) is opened; the content of gas phase oxygen in the storage tank (1) is lower than 9.5 percent, and the regulating valve (3) is closed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920642434.XU CN210681919U (en) | 2019-05-07 | 2019-05-07 | Diethyl carbonate storage tank oxygen content control device |
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| CN201920642434.XU CN210681919U (en) | 2019-05-07 | 2019-05-07 | Diethyl carbonate storage tank oxygen content control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578224A (en) * | 2021-07-28 | 2021-11-02 | 重庆天原化工有限公司 | Production system and process of solid phosgene |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578224A (en) * | 2021-07-28 | 2021-11-02 | 重庆天原化工有限公司 | Production system and process of solid phosgene |
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Address after: 198 Tongxing Road, Kenli District, Dongying City, Shandong Province Patentee after: SHINGHWA CHEMICAL Corp. Patentee after: Shenghua New Material Group Co.,Ltd. Address before: 257000 south of beiwaihuan Road, Yong'an Town, Kenli District, Dongying City, Shandong Province Patentee before: SHINGHWA CHEMICAL Corp. Patentee before: SHANDONG SHIDA SHENGHUA CHEMICAL GROUP Co.,Ltd. |