CN214809922U - Device for preventing high-concentration liquid caustic soda in low-temperature environment from being blocked - Google Patents
Device for preventing high-concentration liquid caustic soda in low-temperature environment from being blocked Download PDFInfo
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- CN214809922U CN214809922U CN202023070778.XU CN202023070778U CN214809922U CN 214809922 U CN214809922 U CN 214809922U CN 202023070778 U CN202023070778 U CN 202023070778U CN 214809922 U CN214809922 U CN 214809922U
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- Prior art keywords
- caustic soda
- concentration
- liquid
- low
- tank
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title claims abstract description 261
- 239000007788 liquid Substances 0.000 title claims abstract description 93
- 235000011121 sodium hydroxide Nutrition 0.000 title claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003513 alkali Substances 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 6
- 230000008014 freezing Effects 0.000 abstract description 5
- 238000007710 freezing Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 5
- 239000003518 caustics Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012824 chemical production Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Pipeline Systems (AREA)
Abstract
The utility model discloses a device for preventing high-concentration caustic soda from being blocked in a low-temperature environment, which comprises a high-concentration caustic soda tank, wherein a high-concentration caustic soda feeding pipe and a condensed water feeding pipe are arranged on the high-concentration caustic soda tank; the inlet of the circulating pump is connected with the circulating discharge pipe, and the outlet of the circulating pump is connected with the high-concentration liquid caustic soda tank through a circulating pipe; the low-concentration caustic soda tank is provided with a low-concentration caustic soda tank liquid level meter and is connected with a discharge pipe; the utility model discloses a go into a certain amount with high concentration caustic soda liquid pump and add proper amount gas condensate water to configure the caustic soda liquid of becoming 25% concentration to high concentration caustic soda groove, the freezing point drops to-16 ℃, need not keep warm and also can not solidify, and the pump goes into low concentration caustic soda groove and reuses, can prevent effectively that the caustic soda liquid from blockking up the pipeline because of the low temperature.
Description
Technical Field
The utility model belongs to the technical field of an anti-blocking device technique and specifically relates to a prevent that low temperature environment high concentration liquid caustic soda from blockking up device is related to.
Background
In chemical production, liquid caustic soda is a common chemical raw material, and is generally prepared into solutions with different concentrations for use according to actual production requirements, at present, high-concentration liquid caustic soda is basically used in the chemical production process, the concentration is basically greater than 32%, but in many processes, low-concentration liquid caustic soda can be used for replacement.
Because the concentration of liquid caustic soda is above 32%, if the temperature is below 15 ℃, the liquid caustic soda can reach the freezing point, and pipelines are easy to block, at present, heat tracing is basically adopted, but the heat tracing is difficult to contact at the joint of a valve or a flange, the heat tracing at the position of a part of a storage tank liquid level meter is difficult, the blockage frequently occurs, the site environment is poor when the liquid caustic soda is treated, and the danger is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to the not enough of prior art existence, provide one kind and prevent that low temperature environment high concentration caustic soda from blockking up the device, effectively reduce the caustic soda concentration to 25%, let the freezing point drop to-16 ℃, need not keep warm and also can not solidify.
In order to achieve the purpose, the utility model provides a device for preventing the blockage of high-concentration caustic soda in a low-temperature environment, which comprises a high-concentration caustic soda tank, wherein a high-concentration caustic soda inlet pipe and a condensed water inlet pipe are arranged on the high-concentration caustic soda tank;
the inlet of the circulating pump is connected with the circulating discharge pipe, and the outlet of the circulating pump is connected with the high-concentration liquid caustic soda tank through a circulating pipe;
the device comprises a low-concentration liquid alkali tank, wherein a low-concentration liquid alkali tank liquid level meter is arranged on the low-concentration liquid alkali tank, and a discharge pipe is connected to the low-concentration liquid alkali tank.
As a further improvement of the above scheme, the circulating discharge pipe is arranged at the bottom of the high-concentration caustic soda tank, and the tail end of the circulating pipe is connected to the middle part of the high-concentration caustic soda tank.
As a further improvement of the scheme, a circulation cut-off valve is arranged on the circulation pipe, a hand valve is arranged on a pipeline between the circulation cut-off valve and the outlet of the circulation pump, and the outlet of the circulation pump is connected with the discharge pipe through the hand valve.
As a further improvement of the above solution, the tapping pipe and the circulation pipe are arranged in parallel.
As a further improvement of the above scheme, the high concentrated caustic soda feed pipe and the gas condensate feed pipe are connected to the top of the high concentrated caustic soda tank.
The utility model has the advantages that: the device for preventing the high-concentration liquid caustic soda in the low-temperature environment from being blocked is simple in structure and simple and convenient to operate, the high-concentration liquid caustic soda is pumped into a certain amount of high-concentration liquid caustic soda tank and is added with a proper amount of gas condensate water to prepare liquid caustic soda with the concentration of about 25%, the freezing point is reduced to-16 ℃, the liquid caustic soda is not required to be insulated and can not be solidified, and the liquid caustic soda is pumped into a low-concentration liquid caustic soda tank for reuse, so that the phenomenon that the liquid caustic soda blocks a pipeline due to low temperature can be effectively prevented.
Drawings
Fig. 1 is a schematic structural diagram of a device for preventing high-concentration caustic soda liquid from blocking in a low-temperature environment according to an embodiment of the present invention.
The parts of the drawings are numbered as follows: 1-high concentrated liquid alkali tank, 2-circulating delivery pump, 3-low concentrated liquid alkali tank, 4-high concentrated liquid alkali cut-off valve, 5-high concentrated liquid alkali feed pipe, 6-gas condensate water cut-off valve, 7-gas condensate water pipe, 8-circulating cut-off valve, 9-circulating pipe, 10-discharge pipe, 11-high concentrated liquid alkali tank liquid level meter, 12-low concentrated liquid alkali tank liquid level meter, 13-circulating discharge pipe and 14-hand valve.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Referring to fig. 1, an apparatus for preventing high-concentration caustic soda from being blocked in a low-temperature environment includes a high-concentration caustic soda tank 1, a circulating pump 2, and a low-concentration caustic soda tank 3.
Specifically, be provided with high-concentration liquid caustic soda inlet pipe 5 and gas condensate inlet pipe 7 on the high-concentration liquid caustic soda groove 1, be provided with high-concentration liquid caustic soda trip valve 4 on the high-concentration liquid caustic soda inlet pipe 5, be provided with the gas condensate trip valve 6 on the gas condensate inlet pipe 7, be provided with high-concentration liquid caustic soda groove level gauge 11 on the high-concentration liquid caustic soda groove 1, the import of circulating pump 2 links to each other with circulation discharging pipe 13, the export of circulating pump 2 pass through circulating pipe 9 with high-concentration liquid caustic groove 1 is connected, be provided with low-concentration liquid caustic groove level gauge 12 on the low-concentration liquid caustic groove 3, be connected with discharging pipe 10 on the low-concentration liquid caustic groove 3.
In this embodiment, circulation discharging pipe 13 is located the bottom of high dense liquid alkali groove 1, the end-to-end connection of circulating pipe 9 is in the middle part of high dense liquid alkali groove 1, be provided with circulation trip valve 8 on the circulating pipe 9, circulation trip valve 8 with set up hand valve 14 on the pipeline between the 2 exports of circulating pump, 2 exports of circulating pump pass through hand valve 14 with discharging pipe 10 meets, discharging pipe 10 with circulating pipe 9 sets up in parallel, high concentration liquid alkali inlet pipe 5 with gas condensate inlet pipe 7 connects the top of high dense liquid alkali groove 1.
In the embodiment, the high-concentration caustic soda shut-off valve 4 is opened, and the high-concentration caustic soda shut-off valve 4 is closed after a certain amount of caustic soda is fed into the high-concentration caustic soda tank 1 according to the display of the high-concentration caustic soda tank liquid level meter 11; after the liquid caustic soda feeding is finished, the circulating delivery pump 2 and the circulating cut-off valve 8 are opened, the gas condensate water cut-off valve 6 on the gas condensate water pipe 7 is opened in a circulating state, the gas condensate water cut-off valve 6 is closed when water is added according to the high concentrated liquid caustic soda tank liquid level meter 11 to dilute high concentrated liquid caustic soda to the concentration of 25%, and water feeding is stopped.
Further, when the high concentrated caustic soda tank 1 is diluted into uniform liquid caustic soda with the concentration of about 25%, the circulating cut-off valve 8 is closed, the dilute caustic soda is pumped into the low concentrated caustic soda tank 3 through the circulating delivery pump 2, and when the liquid level meter 12 of the low concentrated caustic soda tank exceeds the set liquid level, the hand valve 14 is closed, and the circulating delivery pump 2 stops working.
In summary, the device for preventing the high-concentration liquid caustic soda from blocking in the low-temperature environment has a simple structure and is simple and convenient to operate, the high-concentration liquid caustic soda is pumped into a certain amount of high-concentration liquid caustic soda tank, a proper amount of gas condensate water is added into the high-concentration liquid caustic soda tank to prepare the liquid caustic soda with the concentration of about 25%, the freezing point is reduced to-16 ℃, the liquid caustic soda is not required to be insulated and can not be solidified, and the liquid caustic soda is pumped into a low-concentration liquid caustic soda tank for reuse, so that the liquid caustic soda can be effectively prevented from blocking a pipeline due to low temperature.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
The above-described embodiments should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The utility model provides a prevent that low temperature environment high concentration liquid caustic soda from blockking up device which characterized in that: comprises that
The high concentrated caustic soda liquid system comprises a high concentrated caustic soda liquid tank (1), wherein a high concentrated caustic soda liquid feeding pipe (5) and a condensed water feeding pipe (7) are arranged on the high concentrated caustic soda liquid tank (1), a high concentrated caustic soda liquid stop valve (4) is arranged on the high concentrated caustic soda liquid feeding pipe (5), a vapor condensed water stop valve (6) is arranged on the condensed water feeding pipe (7), and a high concentrated caustic soda liquid tank liquid level meter (11) is arranged on the high concentrated caustic soda liquid tank (1);
the inlet of the circulating pump (2) is connected with a circulating discharge pipe (13), and the outlet of the circulating pump (2) is connected with the high-concentration liquid alkali tank (1) through a circulating pipe (9);
the device comprises a low-concentration liquid alkali tank (3), wherein a low-concentration liquid alkali tank liquid level meter (12) is arranged on the low-concentration liquid alkali tank (3), and a discharge pipe (10) is connected to the low-concentration liquid alkali tank (3).
2. The device for preventing the blockage of the high-concentration liquid caustic soda in the low-temperature environment according to claim 1, is characterized in that: the circulating discharge pipe (13) is arranged at the bottom of the high-concentration liquid alkali tank (1), and the tail end of the circulating pipe (9) is connected to the middle of the high-concentration liquid alkali tank (1).
3. The device for preventing the blockage of the high-concentration liquid caustic soda in the low-temperature environment according to claim 1, is characterized in that: be provided with circulation trip valve (8) on circulating pipe (9), circulation trip valve (8) with set up hand valve (14) on the pipeline between circulating pump (2) export, circulating pump (2) export is passed through hand valve (14) with discharging pipe (10) meet.
4. The device for preventing the blockage of the high-concentration liquid caustic soda in the low-temperature environment according to claim 3, is characterized in that: the discharge pipe (10) and the circulating pipe (9) are arranged in parallel.
5. The device for preventing the blockage of the high-concentration liquid caustic soda in the low-temperature environment according to claim 1, is characterized in that: the high-concentration caustic soda liquid feeding pipe (5) and the gas condensate water feeding pipe (7) are connected to the top of the high-concentration caustic soda liquid groove (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023070778.XU CN214809922U (en) | 2020-12-18 | 2020-12-18 | Device for preventing high-concentration liquid caustic soda in low-temperature environment from being blocked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023070778.XU CN214809922U (en) | 2020-12-18 | 2020-12-18 | Device for preventing high-concentration liquid caustic soda in low-temperature environment from being blocked |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214809922U true CN214809922U (en) | 2021-11-23 |
Family
ID=78803416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023070778.XU Expired - Fee Related CN214809922U (en) | 2020-12-18 | 2020-12-18 | Device for preventing high-concentration liquid caustic soda in low-temperature environment from being blocked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214809922U (en) |
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2020
- 2020-12-18 CN CN202023070778.XU patent/CN214809922U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211123 |