CN215403952U - Device for improving circulating water quality in ethylene carbonate production process - Google Patents
Device for improving circulating water quality in ethylene carbonate production process Download PDFInfo
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- CN215403952U CN215403952U CN202121402231.7U CN202121402231U CN215403952U CN 215403952 U CN215403952 U CN 215403952U CN 202121402231 U CN202121402231 U CN 202121402231U CN 215403952 U CN215403952 U CN 215403952U
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Abstract
The utility model discloses a device for improving circulating water quality in the production process of ethylene carbonate, which adopts the technical scheme that: the water collecting mechanism is connected with a circulating pump room processing mechanism, the water collecting mechanism is connected with a circulating pipeline, and a fiber filter membrane filter is arranged on the circulating pipeline. The utility model is convenient to sterilize all circulating water by installing the ultraviolet radiation sterilization device on the sterilization pipeline, the quantity of heterotrophic bacteria is controlled below 1000/mL so as to ensure that no scale is generated or basically no slime exists, and a fiber filter membrane filter with the treatment capacity of 80m3/h and the effluent turbidity below 1NTU is arranged beside a water collecting tank; on the premise that the turbidity of the supplemented fresh water is lower than 1NTU, the turbidity of the circulating water is ensured to be lower than 2NTU so as to save the consumption of the fresh water and basically eliminate turbid scale, thereby reducing the energy consumption of the ultraviolet radiation sterilization device, reducing the circulating water quantity and saving the circulating energy consumption.
Description
Technical Field
The utility model relates to the technical field of ethylene carbonate production devices, in particular to a device for improving circulating water quality in the ethylene carbonate production process.
Background
The ethylene carbonate production device comprises a synthesis reaction and refining unit, wherein in the refining unit, qualified ethylene carbonate products without catalyst enter a rectifying tower, a reboiler at the tower bottom of the rectifying tower provides heat for the rectifying tower, feed liquid in the tower bottom is vaporized, steam rising at the tower top cools gas-phase materials in a condenser, part of cooled liquid flows back to the tower, and part of the cooled liquid is extracted to enter the next procedure for rectification again. The condenser at the top of the tower uses circulating water as a refrigerant, the circulating water which enters the condenser and takes away heat returns to the upper part of the filler of the water cooling tower reservoir, and exchanges heat with the rising air in the falling process, so that the circulating water releases heat, and the water temperature is reduced.
However, the open cooling tower has the following disadvantages: a large amount of dust in the air enters the circulating water and deposits in a pipeline of the circulating water and a heat exchange pipe of the heat exchanger to form dirt, so that the dirt coefficient of the circulating water is improved, the total heat transfer coefficient of the heat exchanger is influenced, the heat exchange amount of a unit heat exchange area is reduced, heterotrophic bacteria in the circulating water are easy to breed when the circulating water is at the working temperature of 30-50 ℃, and a large amount of algae are produced and attached in the heat exchange pipe to influence the heat exchange effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for improving the quality of circulating water in the production process of ethylene carbonate, which solves the technical problem that a large amount of dust in the air enters the circulating water to influence the total heat transfer coefficient of a heat exchanger.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a device for improving the quality of circulating water in the production process of ethylene carbonate comprises a water collecting mechanism, wherein the water collecting mechanism is connected with a circulating pump room treatment mechanism, the water collecting mechanism is connected with a circulating pipeline, and a fiber filter membrane filter is arranged on the circulating pipeline;
a sterilization pipeline is connected between the water collecting mechanism and the circulating pump room processing mechanism, and an ultraviolet radiation sterilization device is arranged on the sterilization pipeline;
the water collecting mechanism comprises a cooling tower and a water collecting tank connected with the cooling tower, the water collecting tank is connected with the circulating pump room processing mechanism, two ends of a circulating pipeline are connected with the water collecting tank, and the ultraviolet radiation sterilizing device is connected with the cooling tower and the circulating pump room processing mechanism through a sterilizing pipeline.
Optionally, the ultraviolet radiation sterilization device adopts an ultraviolet radiation waveband of 280-200 nm.
Optionally, the circulating pump room processing mechanism comprises a circulating pump room and a heat exchange device connected with the circulating pump room, the heat exchange device is connected with the ultraviolet radiation sterilization device through a sterilization pipeline, and the water collecting tank is connected with the circulating pump room.
Optionally, one end of the water collecting tank is connected with a water supplementing device.
Optionally, the cooling tower includes the cooling tank, has installed the cooling tube in the cooling tank, and the top at the catch basin is established to the cooling tank dress, and the cooling tube is connected with ultraviolet radiation sterilizing equipment through the pipeline that disinfects, and the cooling tube is helical structure, and U type frame has been installed on cooling tank upper portion, and the motor has been installed to U type frame lower part, and the (mixing) shaft has been installed to the output of motor, and a plurality of puddlers have been installed to (mixing) shaft week side, and the cooling tank upper end is equipped with the backward flow lid, and the backward flow lid is the loop configuration, and the vertical cross-section of backward flow lid is the arc structure.
The utility model has the following beneficial effects:
the utility model is convenient to sterilize all circulating water by installing the ultraviolet radiation sterilization device on the sterilization pipeline, the quantity of heterotrophic bacteria is controlled below 1000/mL so as to ensure that no scale is generated or basically no slime exists, and a fiber filter membrane filter with the treatment capacity of 80m3/h and the effluent turbidity below 1NTU is arranged beside a water collecting tank; on the premise that the turbidity of the supplemented fresh water is lower than 1NTU, the turbidity of the circulating water is ensured to be lower than 2NTU so as to save the consumption of the fresh water and basically eliminate turbid scale, thereby reducing the energy consumption of the ultraviolet radiation sterilization device, reducing the circulating water quantity and saving the circulating energy consumption.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a flow chart of an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a cooling tank of the present invention;
FIG. 4 is a cross-sectional view of a cooling tank of the present invention;
in the upper diagram: the device comprises a water collecting mechanism 1, a circulating pump room processing mechanism 2, a circulating pipeline 3, a fiber filter membrane filter 4, a sterilizing pipeline 5, an ultraviolet radiation sterilizing device 6 and a water supplementing device 7; the system comprises a cooling tower 101, a water collecting tank 102, a circulating pump room 201 and a heat exchange device 202; cooling tank 111, cooling pipe 112, U-shaped frame 113, motor 114, stirring shaft 115, stirring rod 116, and backflow cover 117.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Embodiment 1, referring to fig. 1 to 4, the present invention provides an apparatus for improving circulating water quality in a production process of ethylene carbonate, including: the water collecting mechanism 1 is connected with a circulating pump room treatment mechanism 2, the water collecting mechanism 1 is connected with a circulating pipeline 3, and a fiber filter membrane filter 4 is arranged on the circulating pipeline 3; a sterilization pipeline 5 is connected between the water collecting mechanism 1 and the circulating pump room processing mechanism 2, and an ultraviolet radiation sterilization device 6 is arranged on the sterilization pipeline 5;
the water collecting mechanism 1 comprises a cooling tower 101 and a water collecting tank 102 connected with the cooling tower 101, the water collecting tank 102 is connected with the circulating pump room processing mechanism 2, two ends of a circulating pipeline 3 are connected with the water collecting tank 102, and an ultraviolet radiation sterilizing device 6 is connected with the cooling tower 101 and the circulating pump room processing mechanism 2 through a sterilizing pipeline 5, so that all circulating water can be sterilized conveniently.
An ultraviolet radiation sterilizing device 6 is arranged on the sterilizing pipeline 5, so that all circulating water can be sterilized conveniently, and the number of heterotrophic bacteria is controlled to be below 1000/mL, so that no scale or sludge is generated. A fiber filter membrane filter 4 with the treatment capacity of 80m3/h and the effluent turbidity below 1NTU is arranged beside the water collecting tank 102; on the premise that the turbidity of the supplemented fresh water is lower than 1NTU, the turbidity of the circulating water is ensured to be lower than 2NTU so as to save the consumption of the fresh water and basically eliminate turbid scale, thereby reducing the energy consumption of the ultraviolet radiation sterilization device 6, reducing the circulating water quantity and saving the circulating energy consumption. It should be noted that all the electric devices referred to in this application may be powered by a storage battery or an external power source.
The ultraviolet radiation sterilizing device 6 adopts the ultraviolet radiation wave band of C wave band 280 plus 200 nm, because the ultraviolet has the most sterilizing effect in the wavelength range of 240nm to 280nm, and especially the sterilizing effect of the ultraviolet is the strongest when the wavelength is 253.7nm, thereby being convenient for sterilizing through the ultraviolet radiation sterilizing device 6.
The circulating pump room processing mechanism 2 comprises a circulating pump room 201 and a heat exchange device 202 connected with the circulating pump room 201, the heat exchange device 202 is connected with an ultraviolet radiation sterilization device 6 through a sterilization pipeline 5, a water collecting tank 102 is connected with the circulating pump room 201, and one end of the water collecting tank 102 is connected with a water supplementing device 7, so that a new water source can be supplemented conveniently.
The cooling tower 101 comprises a cooling tank 111, a cooling pipe 112 is arranged in the cooling tank 111, the cooling tank 111 is arranged above the water collecting tank 102, the cooling pipe 112 is connected with the ultraviolet radiation sterilization device 6 through a sterilization pipeline 5, the cooling pipe 112 is in a spiral structure, a U-shaped frame 113 is arranged at the upper part of the cooling tank 111, a motor 114 is arranged at the lower part of the U-shaped frame 113, a stirring shaft 115 is arranged at the output end of the motor 114, a plurality of stirring rods 116 are arranged on the periphery of the stirring shaft 115, a backflow cover 117 is arranged at the upper end of the cooling tank 111, the backflow cover 117 is in an annular structure, and the vertical section of the backflow cover 117 is in an arc structure;
the motor 114 is started to drive the stirring shaft 115 and the stirring rods 116 to rotate, so that water in the cooling tank 111 is driven to rotate, the cooling pipe 112 is penetrated through the effect of centrifugal force, then the cooling tank 111 is overflowed to flow back to the middle part of the cooling tank 111 through the backflow cover 117, so that the flowability of the water in the cooling tank 111 is accelerated, the cooling efficiency and the cooling effect of the cooling pipe 112 are improved, and the steam passing through the cooling tower 101 is cooled conveniently.
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 solution described above. Therefore, any simple modifications or equivalent changes made according to the technical solution of the present invention shall fall within the scope of the present invention as claimed.
Claims (5)
1. The utility model provides a device of improvement circulating water quality of ethylene carbonate production process which characterized in that includes: the device comprises a water collecting mechanism (1), wherein the water collecting mechanism (1) is connected with a circulating pump room treatment mechanism (2), the water collecting mechanism (1) is connected with a circulating pipeline (3), and a fiber filter membrane filter (4) is arranged on the circulating pipeline (3); a sterilization pipeline (5) is connected between the water collecting mechanism (1) and the circulating pump room treatment mechanism (2), and an ultraviolet radiation sterilization device (6) is arranged on the sterilization pipeline (5);
the water collecting mechanism (1) comprises a cooling tower (101) and a water collecting tank (102) connected with the cooling tower (101), the water collecting tank (102) is connected with the circulating pump room processing mechanism (2), two ends of a circulating pipeline (3) are connected with the water collecting tank (102), and an ultraviolet radiation sterilizing device (6) is connected with the cooling tower (101) and the circulating pump room processing mechanism (2) through a sterilizing pipeline (5).
2. The apparatus for improving circulating water quality in ethylene carbonate production process according to claim 1, wherein: the ultraviolet radiation sterilization device (6) adopts the ultraviolet radiation waveband of 280-200 nm.
3. The apparatus for improving circulating water quality in ethylene carbonate production process according to claim 1, wherein: the circulating pump room processing mechanism (2) comprises a circulating pump room (201) and a heat exchange device (202) connected with the circulating pump room (201), the heat exchange device (202) is connected with an ultraviolet radiation sterilization device (6) through a sterilization pipeline (5), and a water collecting tank (102) is connected with the circulating pump room (201).
4. The apparatus for improving circulating water quality in ethylene carbonate production process according to claim 1, wherein: one end of the water collecting tank (102) is connected with a water supplementing device (7).
5. The apparatus for improving circulating water quality in ethylene carbonate production process according to claim 1, wherein: cooling tower (101) including cooling tank (111), built-in cooling tube (112) that is equipped with of cooling tank (111), install the top at catch basin (102) cooling tank (111), cooling tube (112) are connected with ultraviolet radiation sterilizing equipment (6) through pipeline (5) of disinfecting, cooling tube (112) are helical structure, U type frame (113) have been installed on cooling tank (111) upper portion, motor (114) have been installed to U type frame (113) lower part, (mixing) shaft (115) have been installed to the output of motor (114), a plurality of puddler (116) have been installed to (mixing) shaft (115) week side, cooling tank (111) upper end is equipped with backward flow lid (117), and backward flow lid (117) are the loop configuration, the perpendicular cross-section of backward flow lid (117) is the arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121402231.7U CN215403952U (en) | 2021-06-23 | 2021-06-23 | Device for improving circulating water quality in ethylene carbonate production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121402231.7U CN215403952U (en) | 2021-06-23 | 2021-06-23 | Device for improving circulating water quality in ethylene carbonate production process |
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| Publication Number | Publication Date |
|---|---|
| CN215403952U true CN215403952U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121402231.7U Active CN215403952U (en) | 2021-06-23 | 2021-06-23 | Device for improving circulating water quality in ethylene carbonate production process |
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| CN (1) | CN215403952U (en) |
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2021
- 2021-06-23 CN CN202121402231.7U patent/CN215403952U/en active Active
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