Cooling water circulation device of air separation plant

Abstract

The utility model provides a cooling water circulating device of air separation equipment. The air separation plant cooling water circulation device comprises a backflow box, a sterilization filtering cavity, a first water storage cavity and a second water storage cavity are formed in the backflow box, and a filtering mechanism and a sterilization water outlet mechanism are arranged on the backflow box. The filtering mechanism comprises a mounting cover, a first water inlet pipe, a water inlet valve and a filtering assembly, the mounting cover is mounted at the top of the backflow box, the first water inlet pipe is fixedly mounted on the mounting cover, the water inlet valve is fixedly mounted on the first water inlet pipe, and the filtering assembly is fixedly mounted on the mounting cover; and the bottom of the filtering assembly extends into the sterilizing and filtering cavity. The cooling water circulating device of the air separation plant has the advantages that the cooling water can be filtered in a multi-stage mode, the filtering effect is better, meanwhile, the cooling water can be recycled after being filtered and sterilized and cooled, and the cooling water recycling effect is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of cooling water circulation, and in particular relates to a cooling water circulation device for air separation equipment. Background Art

[0002] Air separation equipment is a device that uses air as raw material, converts air into liquid through compression cycle deep freezing, and then gradually separates and produces inert gases such as oxygen, nitrogen and argon from the liquid air through distillation. In the process of preparing liquid oxygen, the air separation equipment needs to be cooled by coolant. After long-term use, a large amount of impurities will be generated in the coolant, thereby reducing the cooling effect of the coolant on the air separation equipment.

[0003] In the related art, a cooling water circulation filter device for air separation equipment is disclosed, which includes a filter body, a water inlet pipe, a water outlet pipe and a flange. The filter body is in a 90-degree structure, one end of the filter body is movably connected to the water inlet pipe, and the other end of the filter body is movably connected to the water outlet pipe. One end of the water inlet pipe is movably connected to a No. 1 connecting nut, one end of the water inlet pipe is threadedly connected to one end of the filter body through the No. 1 connecting nut, and one end of the water outlet pipe is movably connected to a No. 2 connecting nut. During use, the two filtering methods cooperate with each other to filter the coolant, and the filtering effect is better. At the same time, the inner cavity of the filter can be quickly cleaned by a scraper to prevent impurities from clogging the mesh and affecting the filtering efficiency and use effect.

[0004] However, there are still some shortcomings in the above structure. When the device is in use, multi-stage filtration and sterilization cannot be performed during the cooling water circulation process, which will make the cooling water filtration effect worse. At the same time, the filtered cooling water cannot be cooled, which will make the cooling water circulation effect poor.

[0005] Therefore, it is necessary to provide a new air separation equipment cooling water circulation device to solve the above technical problems. Utility Model Content

[0006] The technical problem solved by the utility model is to provide an air separation equipment cooling water circulation device which can perform multi-stage filtration on cooling water to achieve better filtration effect, and at the same time can filter and sterilize the cooling water, and then cool the cooling water for recycling, so as to achieve better cooling water recycling effect.

[0007] In order to solve the above technical problems, the utility model provides an air separation equipment cooling water circulation device comprising: a reflux box, on which a sterilizing filter chamber, a first water storage chamber and a second water storage chamber are provided, and the reflux box is provided with a filtering mechanism and a sterilizing water outlet mechanism.

[0008] The filtering mechanism includes a mounting cover, a first water inlet pipe, a water inlet valve and a filtering assembly. The mounting cover is mounted on the top of the reflux box, the first water inlet pipe is fixedly mounted on the mounting cover, the water inlet valve is fixedly mounted on the first water inlet pipe, the filtering assembly is fixedly mounted on the mounting cover, and the bottom of the filtering assembly extends into the sterilizing filtering cavity.

[0009] As a further solution of the utility model, the sterilization water outlet mechanism includes two mounting frames, two ultraviolet lamps, a water outlet pipe and a water outlet valve. The two mounting frames are respectively fixedly mounted on the inner walls on both sides of the sterilization filter chamber, the two ultraviolet lamps are respectively fixedly mounted in the two mounting frames, the water outlet pipe is fixedly mounted on the top inner wall of the first water storage chamber, and the water outlet valve is fixedly mounted on the water outlet pipe.

[0010] As a further solution of the utility model, a refrigerator is fixedly installed on one side outer wall of the reflux box, a water pumping pipe is fixedly installed on the water inlet end of the refrigerator, one end of the water pumping pipe extends into the first water storage chamber, a second water inlet pipe is fixedly installed on the water outlet end of the refrigerator, one end of the second water inlet pipe extends into the second water storage chamber, a drain pipe is fixedly installed on the bottom of the reflux box, and a drain valve is fixedly installed on the drain pipe.

[0011] As a further solution of the utility model, the filter assembly is provided with an outer filter screen and an inner filter screen, the outer filter screen is an activated carbon plate, and the inner filter screen is a quartz sand filter plate.

[0012] As a further solution of the utility model, a plurality of first fixing blocks are fixedly installed on the mounting cover, each of the plurality of first fixing blocks is provided with a mounting hole, a bolt is installed on the mounting hole, and a plurality of second fixing blocks are fixedly installed on the reflux box, and the bolts are threadedly installed on the second fixing blocks.

[0013] As a further solution of the utility model, a sealing gasket is fixedly installed on the bottom of the mounting cover, and the sealing gasket is in contact with the top of the reflux box.

[0014] Compared with the related art, the cooling water circulation device for air separation equipment provided by the utility model has the following beneficial effects:

[0015] 1. The utility model provides a filtering mechanism to perform multi-stage adsorption filtration on impurities in the circulating cooling water, thereby improving the filtering effect of the cooling water;

[0016] 2. The utility model is provided with a sterilizing water outlet mechanism, which can kill bacteria and microorganisms in the filtered cooling water through an ultraviolet lamp and then discharge the cooling water. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 A schematic diagram of the three-dimensional structure of the cooling water circulation device for the air separation equipment provided by the utility model;

[0019] Figure 2 A three-dimensional cross-sectional structural schematic diagram of a cooling water circulation device for an air separation plant provided by the utility model;

[0020] Figure 3 This is a partial enlarged structural schematic diagram of a cooling water circulation device for an air separation plant provided by the utility model.

[0021] In the figure: 1. Reflux box; 2. Sterilization filter chamber; 3. First water storage chamber; 4. Second water storage chamber; 5. Installation cover; 6. First water inlet pipe; 7. Water inlet valve; 8. Filter assembly; 81. External filter; 82. Internal filter; 10. Installation frame; 11. Ultraviolet lamp; 12. Water outlet pipe; 13. Water outlet valve; 14. Refrigerator; 15. Pumping pipe; 16. Second water inlet pipe; 17. Drain pipe; 18. Drain valve. DETAILED DESCRIPTION

[0022] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic diagram of the three-dimensional structure of the cooling water circulation device for the air separation equipment provided by the utility model; Figure 2 A three-dimensional cross-sectional structural schematic diagram of a cooling water circulation device for an air separation plant provided by the utility model; Figure 3 The schematic diagram of the partial enlarged structure of the cooling water circulation device of the air separation equipment provided by the utility model. The cooling water circulation device of the air separation equipment comprises: a reflux tank 1, on which a sterilizing filter chamber 2, a first water storage chamber 3 and a second water storage chamber 4 are provided, and a filtering mechanism and a sterilizing water outlet mechanism are provided on the reflux tank 1.

[0023] The filtering mechanism includes a mounting cover 5, a first water inlet pipe 6, a water inlet valve 7 and a filtering assembly 8. The mounting cover 5 is mounted on the top of the reflux box 1, the first water inlet pipe 6 is fixedly mounted on the mounting cover 5, the water inlet valve 7 is fixedly mounted on the first water inlet pipe 6, the filtering assembly 8 is fixedly mounted on the mounting cover 5, and the bottom of the filtering assembly 8 extends into the sterilizing filtering chamber 2.

[0024] like Figure 2As shown, the sterilizing water outlet mechanism includes two mounting frames 10, two ultraviolet lamps 11, a water outlet pipe 12 and a water outlet valve 13. The two mounting frames 10 are respectively fixedly mounted on the inner walls on both sides of the sterilizing filter chamber 2, the two ultraviolet lamps 11 are respectively fixedly mounted in the two mounting frames 10, the water outlet pipe 12 is fixedly mounted on the top inner wall of the first water storage chamber 3, and the water outlet valve 13 is fixedly mounted on the water outlet pipe 12;

[0025] By providing a sterilizing water outlet mechanism, the bacteria and microorganisms contained in the filtered cooling water can be killed by the ultraviolet lamp 11 and then the cooling water can be discharged.

[0026] like Figure 1 As shown, a refrigerator 14 is fixedly installed on one side outer wall of the reflux box 1, a water pumping pipe 15 is fixedly installed on the water inlet end of the refrigerator 14, one end of the water pumping pipe 15 extends into the first water storage chamber 3, a second water inlet pipe 16 is fixedly installed on the water outlet end of the refrigerator 14, one end of the second water inlet pipe 16 extends into the second water storage chamber 4, a drain pipe 17 is fixedly installed on the bottom of the reflux box 1, and a drain valve 18 is fixedly installed on the drain pipe 17;

[0027] By providing the refrigerator 14, the water pumping pipe 15, the second water inlet pipe 16, the drain pipe 17 and the drain valve 18, the sterilized cooling water can be cooled through the refrigerator 14, so that the cooling water has a better effect when it is circulated.

[0028] like Figure 3 As shown, the filter assembly 8 is provided with an outer filter screen 81 and an inner filter screen 82, the outer filter screen 81 is an activated carbon plate, and the inner filter screen 82 is a quartz sand filter plate;

[0029] By providing the outer filter 81 and the inner filter 82, impurities in the cooling water can be adsorbed by different materials, thereby improving the filtering effect of the cooling water.

[0030] like Figure 1 As shown, a plurality of first fixing blocks are fixedly mounted on the mounting cover 5, and mounting holes are provided on the plurality of first fixing blocks, and bolts are installed on the mounting holes. A plurality of second fixing blocks are fixedly mounted on the reflux box 1, and the bolts are threadedly mounted on the second fixing blocks.

[0031] By providing the first fixing block, the mounting hole, the bolts and the second fixing block, the filter assembly 8 can be well disassembled and installed.

[0032] like Figure 3 As shown, a sealing gasket is fixedly installed at the bottom of the mounting cover 5, and the sealing gasket is in contact with the top of the reflux box 1;

[0033] By providing a sealing gasket, it is possible to avoid cooling water overflow when water is circulated into the filter assembly 8, thereby improving the sealing performance.

[0034] The working principle of the cooling water circulation device for air separation equipment provided by the utility model is as follows:

[0035] Start the water inlet valve 7 to allow the circulating cooling water to enter the filter assembly 8 through the first water inlet pipe 6, and perform secondary adsorption filtration through the outer filter screen 81 and the inner filter screen 82. The filtered cooling water enters the sterilization filter chamber 2, and the microorganisms and bacteria contained in the filtered cooling water are sterilized by the ultraviolet lamp 11. Start the water outlet valve 13 to open the water outlet pipe 12, and the filtered and sterilized cooling water falls into the first water storage chamber 3. Start the refrigerator 14 to cool the cooling water through the pumping pipe 15 and the second water inlet pipe 16, and then pump it into the second water storage chamber 4. Start the drain valve 18 to open the drain pipe 17 to discharge the filtered cooling water so that it can be recycled.

[0036] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0037] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0038] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A cooling water circulation device for an air separation plant, characterized in that: include: A reflux box is provided with a sterilizing filtration chamber, a first water storage chamber and a second water storage chamber, and a filtration mechanism and a sterilizing water outlet mechanism are provided on the reflux box. The filtering mechanism includes a mounting cover, a first water inlet pipe, a water inlet valve and a filtering assembly. The mounting cover is mounted on the top of the reflux box, the first water inlet pipe is fixedly mounted on the mounting cover, the water inlet valve is fixedly mounted on the first water inlet pipe, the filtering assembly is fixedly mounted on the mounting cover, and the bottom of the filtering assembly extends into the sterilizing filtering cavity.

2. The cooling water circulation device for air separation equipment according to claim 1, characterized in that: The sterilization water outlet mechanism includes two mounting frames, two ultraviolet lamps, a water outlet pipe and a water outlet valve. The two mounting frames are respectively fixedly mounted on the inner walls on both sides of the sterilization filter cavity, the two ultraviolet lamps are respectively fixedly mounted in the two mounting frames, the water outlet pipe is fixedly mounted on the top inner wall of the first water storage cavity, and the water outlet valve is fixedly mounted on the water outlet pipe.

3. The cooling water circulation device for air separation equipment according to claim 1, characterized in that: A refrigerator is fixedly installed on one side outer wall of the reflux box, a water pumping pipe is fixedly installed on the water inlet end of the refrigerator, one end of the water pumping pipe extends into the first water storage chamber, a second water inlet pipe is fixedly installed on the water outlet end of the refrigerator, one end of the second water inlet pipe extends into the second water storage chamber, a drain pipe is fixedly installed on the bottom of the reflux box, and a drain valve is fixedly installed on the drain pipe.

4. The cooling water circulation device for air separation equipment according to claim 1, characterized in that: The filter assembly is provided with an outer filter screen and an inner filter screen, the outer filter screen is an activated carbon plate, and the inner filter screen is a quartz sand filter plate.

5. The cooling water circulation device for air separation equipment according to claim 1, characterized in that: A plurality of first fixing blocks are fixedly mounted on the mounting cover, each of which is provided with a mounting hole, and bolts are mounted on the mounting holes. A plurality of second fixing blocks are fixedly mounted on the reflux box, and the bolts are threadedly mounted on the second fixing blocks.

6. The cooling water circulation device for air separation equipment according to claim 1, characterized in that: A sealing gasket is fixedly mounted on the bottom of the mounting cover, and the sealing gasket is in contact with the top of the reflux box.

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