CN210876525U - Alkali adding cleaning system for 1, 4-butynediol production device - Google Patents
Alkali adding cleaning system for 1, 4-butynediol production device Download PDFInfo
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- CN210876525U CN210876525U CN201921204086.4U CN201921204086U CN210876525U CN 210876525 U CN210876525 U CN 210876525U CN 201921204086 U CN201921204086 U CN 201921204086U CN 210876525 U CN210876525 U CN 210876525U
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- branch pipe
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- alkali liquor
- stop valve
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Abstract
The utility model discloses a add alkali cleaning system for 1, 4-butynediol apparatus for producing, include: scrubbing tower, tower bottom pipeline, alkali lye house steward still include: alkali liquor branch pipe one, alkali liquor branch pipe two, ring flange one, ring flange two, stop valve, 8 word blind plate, the stop valve includes: the stop valve body, the flange plate III and the flange plate IV; the tower bottom pipeline is arranged at the bottom of the washing tower, the alkali liquor branch pipe I is connected with the alkali liquor main pipe, the alkali liquor branch pipe II is connected with the tower bottom pipeline, the flange plate I is arranged on the alkali liquor branch pipe I, the flange plate II is arranged on the alkali liquor branch pipe II, the flange plate III and the flange plate IV are arranged at two ends of the stop valve body, the flange plate I and the flange plate tee are connected through bolts, and the flange plate II and the flange plate cross are connected through bolts. The utility model discloses a set up alkali lye branch pipe one, alkali lye branch pipe two, ring flange one, ring flange two, stop valve, 8 word blind plates and realized the high-efficient clearance to washing device, the water economy resource avoids the effect of potential safety hazard.
Description
Technical Field
The utility model relates to a cleaning system especially indicates a cleaning system that adds alkali that is used for 1, 4-butynediol apparatus for producing.
Background
During the production process of 1, 4-butynediol, a production device can generate polyformaldehyde and formaldehyde polymers, and the accumulation of the substances can cause the pressure of the production device to be ultrahigh, so that the whole production device cannot operate, and the substances need to be cleaned.
In the prior art, the materials such as polyoxymethylene, oxymethylene polymer and copper catalyst are cleaned by replacing them with water at the time of shutdown of the production apparatus to reduce the concentration thereof, but this method has the following problems: 1. the accumulation of the acetylene copper catalyst in the filler causes high pressure difference of an outlet washing tower, and the outlet washing tower cannot normally operate, so that the safe operation of the butynediol reactor is seriously endangered; 2. after the system is shut down, formaldehyde cannot be completely replaced, and a polymer is generated at low temperature, so that the pressure difference of an outlet washing tower during next start is high, the outlet washing tower cannot normally operate, and the safe operation of the butynediol reactor is seriously endangered; 3. the effect is not obvious, and the amount of generated waste water is large.
Based on the situation, an alkali-adding cleaning system for a 1, 4-butynediol production device is urgently needed to solve the problems that the cleaning effect of the device is poor, the water consumption is large, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a add alkali cleaning system for 1, 4-butynediol apparatus for producing, include:
scrubbing tower, tower bottom pipeline, alkali lye house steward still include: alkali liquor branch pipe one, alkali liquor branch pipe two, ring flange one, ring flange two, stop valve, 8 word blind plate, the stop valve includes: the stop valve body, the flange plate III and the flange plate IV;
the pipeline sets up in the bottom of scrubbing tower, and alkali lye branch pipe one is connected with the alkali lye house steward, and alkali lye branch pipe two is connected with the pipeline at the bottom of the tower, and ring flange one sets up on alkali lye branch pipe one, and ring flange two sets up on alkali lye branch pipe two, and stop valve body both ends are provided with ring flange three and ring flange four, and ring flange one and ring flange three are crossed the bolted connection, and ring flange two and ring flange four are crossed the bolted connection, and 8 characters blind slabs set up between ring flange two and ring flange four.
Preferably, the 8-shaped blind plate is detachably connected with the second flange plate and the fourth flange plate.
Preferably, the first alkali liquor branch pipe and the second alkali liquor branch pipe are made of stainless steel.
The utility model discloses at least, include following beneficial effect:
in the scheme, a washing tower is arranged, a tower bottom pipeline is arranged at the bottom of the washing tower, an alkali liquor main pipe is arranged, an alkali liquor branch pipe I connected with the alkali liquor main pipe is arranged, an alkali liquor branch pipe II connected with the alkali liquor main pipe is arranged, a flange plate I arranged on the alkali liquor branch pipe I, a flange plate II arranged on the alkali liquor branch pipe II, a stop valve body is arranged, flange plates III and flange plates IV arranged at two sides of the stop valve body are connected through bolts, the flange plate I is connected with the flange plate III through the bolts, the flange plate II is connected with the flange plate IV through the bolts, and an 8-shaped blind plate arranged between the flange plate II and the flange plate IV is arranged, so that when the washing tower needs to be cleaned, the 8-shaped blind plate is firstly arranged at an opening position, then the stop valve is opened, alkali liquor in the alkali liquor main pipe enters the tower bottom pipeline through the alkali liquor branch pipe I and the, the service life of the filler is prolonged; the pressure difference of the outlet washing tower is reduced, and the stable operation of the butynediol reaction system is ensured; the safety risk that the rubber tube falls off in the alkali adding process is eliminated, the alkali liquor leakage pollutes the environment, and meanwhile, the consumption of the rubber tube is reduced. Simultaneously, in this scheme, 8 word blind plate and the connection of ring flange two and ring flange four are detachable setting, like this, can be after finishing washing device, close the stop valve, then install 8 word blind plate in the position of closing to the limited stop valve of preventing avoids alkali lye to flow into the scrubbing tower when breaking down, has guaranteed the steady operation of device. Simultaneously, in this scheme, alkali lye branch pipe one and alkali lye branch pipe two adopt stainless steel, like this, can make alkali lye branch pipe one and alkali lye branch pipe two effectual avoid by the corruption, improve its durability.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the cleaning system of the present invention.
Fig. 2 is a schematic view of a partial structure at a.
Description of the drawings: 1-a washing tower, 2-a tower bottom pipeline, 3-an alkali liquor main pipe, 4-an alkali liquor branch pipe I, 5-an alkali liquor branch pipe II, 6-a flange plate I, 7-a flange plate II, 8-shaped blind plates, 9-a stop valve body, 10-a flange plate III and 11-a flange plate IV.
Detailed Description
The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments after studying the specification. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "upper", "horizontal", "inner", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
FIGS. 1-2 show an alkaline cleaning system for a 1, 4-butynediol production device, comprising:
scrubbing tower 1, tower bottom pipeline 2, alkali lye house steward 3 still include: alkali lye branch pipe one 4, alkali lye branch pipe two 5, ring flange one 6, ring flange two 7, stop valve, 8 word blind plates 8, the stop valve includes: the stop valve comprises a stop valve body 9, a flange III 10 and a flange IV 11;
the pipeline 2 sets up in the bottom of scrubbing tower 1 at the bottom of tower bottom, and alkali lye branch pipe 4 is connected with alkali lye house steward 3, and alkali lye branch pipe two 5 is connected with pipeline 2 at the bottom of the tower, and ring flange 6 sets up on alkali lye branch pipe 4, and ring flange two 7 sets up on alkali lye branch pipe two 5, and 9 both ends of stop valve body are provided with ring flange three 10 and ring flange four 11, and ring flange 6 and ring flange three 10 pass through bolted connection, and ring flange two 7 and ring flange four 11 pass through bolted connection, and 8 characters blind flanges 8 set up between ring flange two 7 and ring flange four 11.
By adopting the scheme, the washing tower 1 is arranged, the tower bottom pipeline 2 is arranged at the bottom of the washing tower 1, the alkali liquor main pipe 3 is arranged, the alkali liquor branch pipe I4 connected with the alkali liquor main pipe 3 is arranged, the alkali liquor branch pipe II 5 connected with the alkali liquor main pipe 3 is arranged, the flange plate I6 arranged on the alkali liquor branch pipe I4, the flange plate II 7 arranged on the alkali liquor branch pipe II 5 is arranged, the stop valve body 9 is arranged, the flange plate III 10 and the flange plate IV 11 are arranged at two sides of the stop valve body 9, the flange plate I6 and the flange plate III 10 are connected through bolts, the flange plate II 7 and the flange plate IV 11 are connected through bolts, and the 8-shaped blind plate 8 arranged between the flange plate II 7 and the flange plate IV 11 is arranged, so that when the washing tower 1 needs to be cleaned, the 8-shaped blind plate 8 is firstly arranged at an opening position, then the stop valve is opened, and the alkali, The second alkali liquor branch pipe 5 enters the tower bottom pipeline 2 to circularly clean the device, so that polymers and catalysts on the filler can be thoroughly removed, and the service life of the filler is prolonged; the pressure difference of the outlet washing tower 1 is reduced, and the stable operation of the butynediol reaction system is ensured; the safety risk that the rubber tube falls off in the alkali adding process is eliminated, the alkali liquor leakage pollutes the environment, and meanwhile, the consumption of the rubber tube is reduced.
In another example, the 8-shaped blind plate 8 is detachably connected with the second flange 7 and the fourth flange 11.
By adopting the scheme, the 8-shaped blind plate 8 is detachably connected with the second flange plate 7 and the fourth flange plate 11, so that the stop valve can be closed after the washing device is cleaned, and then the 8-shaped blind plate 8 is installed at the closed position, thereby preventing the stop valve from preventing alkali liquor from flowing into the washing tower 1 in case of failure, and ensuring the stable operation of the device.
In another example, the first lye branch pipe 4 and the second lye branch pipe 5 are made of stainless steel.
By adopting the scheme, the first alkali liquor branch pipe 4 and the second alkali liquor branch pipe 5 are made of stainless steel, so that the first alkali liquor branch pipe 4 and the second alkali liquor branch pipe 5 can be effectively prevented from being corroded, and the durability of the alkali liquor branch pipe is improved.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (3)
1. A caustic wash system for a 1, 4-butynediol production facility, comprising: scrubbing tower (1), bottom of the tower pipeline (2), alkali lye house steward (3), its characterized in that includes: alkali lye branch pipe one (4), alkali lye branch pipe two (5), ring flange one (6), ring flange two (7), stop valve, 8 word blind plate (8), the stop valve includes: the stop valve comprises a stop valve body (9), a third flange (10) and a fourth flange (11);
the tower bottom pipeline (2) is arranged at the bottom of the washing tower (1), the alkali liquor branch pipe I (4) is connected with the alkali liquor main pipe (3), the alkali liquor branch pipe II (5) is connected with the tower bottom pipeline (2), the flange plate I (6) is arranged on the alkali liquor branch pipe I (4), the flange plate II (7) is arranged on the alkali liquor branch pipe II (5), the two ends of the stop valve body (9) are provided with the flange plate III (10) and the flange plate IV (11), the flange plate I (6) is connected with the flange plate III (10) through bolts, the flange plate II (7) is connected with the flange plate IV (11) through bolts, and the 8-shaped blind plate (8) is arranged between the flange plate II (7) and the flange plate IV (11).
2. The alkaline adding and cleaning system for the 1, 4-butynediol production device according to claim 1, wherein the 8-shaped blind plate (8) is detachably connected with the second flange plate (7) and the fourth flange plate (11).
3. The alkaline adding and cleaning system for the 1, 4-butynediol production device according to claim 1, wherein the first alkaline solution branch pipe (4) and the second alkaline solution branch pipe (5) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204086.4U CN210876525U (en) | 2019-07-29 | 2019-07-29 | Alkali adding cleaning system for 1, 4-butynediol production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204086.4U CN210876525U (en) | 2019-07-29 | 2019-07-29 | Alkali adding cleaning system for 1, 4-butynediol production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210876525U true CN210876525U (en) | 2020-06-30 |
Family
ID=71331505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921204086.4U Active CN210876525U (en) | 2019-07-29 | 2019-07-29 | Alkali adding cleaning system for 1, 4-butynediol production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210876525U (en) |
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2019
- 2019-07-29 CN CN201921204086.4U patent/CN210876525U/en active Active
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