CN212523692U

CN212523692U - Device for dissolving oxygen by classified pressure water

Info

Publication number: CN212523692U
Application number: CN202021355312.1U
Authority: CN
Inventors: 金吁順; 岳昌建
Original assignee: Tianjin Jinyutian Environmental Protection Technology Co ltd
Current assignee: Tianjin Jinyutian Environmental Protection Technology Co ltd
Priority date: 2020-07-12
Filing date: 2020-07-12
Publication date: 2021-02-12
Anticipated expiration: 2030-07-12

Abstract

The utility model relates to a device of hierarchical pressure water dissolution oxygen, including the evacuation mouth, the upper cover, the low head, upper cover flange, gas-liquid contact sieve, the equipment barrel, gas distribution plate, the export of middling pressure dissolved gas water, high pressure water inlet, filler, the filler backup pad, the low head, the outlet, the oxygen import, gas-liquid separation equipment, gas pressure release mouth, middling pressure water inlet, wherein gas-liquid separation equipment is by circumference gas storehouse, central gas storehouse, gas collecting pipe constitutes, the technical effect is, the operation is reliable and stable, wholly improve the utilization efficiency of oxygen, greatly reduced oxygen's loss, simultaneously, high pressure oxygen solubility is high, the utilization efficiency of oxygen can reach more than 95%, wholly improve the dissolution rate of oxygen, equipment resolvable miniaturization, operation maintenance and management is convenient, energy-saving, can realize automatic control.

Description

Device for dissolving oxygen by classified pressure water

Technical Field

The utility model relates to a device for dissolving oxygen in water under pressure, in particular to a device for dissolving oxygen in water under graded pressure.

Background

The water for treating industrial sewage and biological sewage and culturing needs to be filled with a large amount of oxygen, and the traditional method for improving the oxygen content in water is to dissolve oxygen in air into water by adopting an air blower or a machine. Because of the influence of nitrogen in the air, the adopted dissolving equipment has lower efficiency. And therefore the utilization rate of oxygen is low. Causing severe energy consumption. Therefore, energy consumption is reduced by a high-efficiency dissolved oxygen device.

Disclosure of Invention

In view of the needs that prior art exists, the utility model provides a device and implementation method of hierarchical pressure water dissolution oxygen dissolves the oxygen that gets into the aquatic through the device, makes the aquatic dissolved oxygen improve and improve whole oxygen and get solution efficiency under pressure, reaches the purpose that improves oxygen utilization ratio and energy saving and consumption reduction. The specific technical scheme is that a device of oxygen is dissolved to hierarchical pressure water, including evacuation mouth, upper cover, low head, upper cover flange, gas-liquid contact sieve, equipment barrel, gas distribution board, middling pressure dissolved gas water export, high pressure water inlet, filler backup pad, low head, outlet, oxygen import, gas-liquid separation device, gas pressure release mouth, middling pressure water import, wherein gas-liquid separation device comprises circumference gas storehouse, central gas storehouse, gas collecting pipe, its characterized in that: the upper end enclosure is welded and fixed on the upper end surface of the equipment cylinder body through an upper end enclosure connecting flange, the emptying port is fixed at the top end of the upper end enclosure, the lower end enclosure is fixed on the lower end surface of the equipment cylinder body, the emptying port is fixed at the bottom end of the lower end enclosure, the medium-pressure water inlet is fixed at the upper end of the outer side surface of the equipment cylinder body, the first gas-liquid contact sieve plate, the second gas-liquid contact sieve plate, the third gas-liquid contact sieve plate and the fourth gas-liquid contact sieve plate are sequentially and uniformly fixed on the inner wall below the medium-pressure water inlet of the equipment cylinder body from top to bottom, the gas distribution plate and the gas-liquid separation device are sequentially fixed on the inner wall below the fourth gas-liquid contact sieve plate in the equipment cylinder body from top to bottom, the gas pressure release nozzle is fixed, the height of the filler is lower than that of the high-pressure water inlet, the oxygen inlet is fixed on the outer wall of the equipment cylinder below the filler supporting plate, the lower end enclosure is fixed on the bottom end face of the equipment cylinder, and the water outlet is fixed on the bottom end face of the lower end enclosure;

the fixed connection among the components is all welded and fixed, and the pressure resistance of the whole device is 10-60kg/cm²And the temperature is 0-45 ℃.

The gas distribution plate in the equipment barrel uses the upper part to be the water soluble oxygen region of middling pressure, following part is the water soluble oxygen region of high pressure, the resolvable one becomes, the water soluble oxygen region of high pressure is two independent devices that water soluble oxygen device of high pressure and water soluble oxygen region of middling pressure are the water soluble oxygen device of middling pressure, adopts pipeline, valve to link together.

The filler can be any gas-liquid contact filler.

The gas distribution plate is a convex circular cover plate, and micro through holes are uniformly distributed on the plate.

The beneficial effects of the utility model are that, the operation is reliable and stable, wholly improves the utilization efficiency of oxygen, and the loss of greatly reduced oxygen is high at high pressure oxygen solubility simultaneously, and the utilization efficiency of oxygen can reach more than 95%, has wholly improved the dissolution rate of oxygen, and equipment resolvable is miniaturized, and maintenance operation management is convenient, and is energy-conserving, can realize automatic control.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

As shown in figure 1, a device for dissolving oxygen by graded pressure water comprises an evacuation port 1, an upper seal head 2, a lower seal head 11, an upper seal head connecting flange 3, a gas-liquid contact sieve plate 4, an equipment cylinder 5, a gas distribution plate 6, a medium-pressure dissolved gas water outlet 7, a high-pressure water inlet 8, a filler 9, a filler supporting plate 10, a lower seal head 11, a water outlet 12, an oxygen inlet 13, a gas-liquid separation device 14, a gas pressure release nozzle 15 and a medium-pressure water inlet 16, wherein the gas-liquid separation device 14 comprises a circumferential gas cabin 14-1, a central gas cabin 14-2 and a gas collecting pipe 14-3, the upper seal head 2 is welded and fixed on the upper end face of the equipment cylinder 5 through the upper seal head connecting flange 3, the evacuation port 1 is fixed at the top end of the upper seal head 2, the lower seal head 11 is fixed on the lower end face of the equipment cylinder 5, the evacuation port 12, a first gas-liquid contact sieve plate 4-1, a second gas-liquid contact sieve plate 4-2, a third gas-liquid contact sieve plate 4-3 and a fourth gas-liquid contact sieve plate 4-4 which are sequentially and uniformly fixed on the inner wall below a medium-pressure water inlet 16 of an equipment cylinder 5 from top to bottom, a gas distribution plate 6 and a gas-liquid separation device 14 are sequentially fixed on the inner wall below the fourth gas-liquid contact sieve plate 4-4 in the equipment cylinder 5 from top to bottom, a gas pressure release nozzle 15 is fixed on the upper end surface of a central gas bin 14-2 of the gas-liquid separation device 14, a high-pressure water inlet 8 is fixed on the outer side surface of the equipment cylinder 5 below the gas-liquid separation device 14, a packing support plate 10 is fixed at the lower end part of the inner wall of the equipment cylinder 5, a packing 9 is arranged on the packing support plate 10, the lower end enclosure 11 is fixed on the bottom end face of the equipment cylinder 5), and the water outlet 12 is fixed on the bottom end face of the lower end enclosure 11. Any gas-liquid contact packing can be used as the packing 9.

The gas distribution plate 6 is a convex circular cover plate, and micro through holes are uniformly distributed on the plate.

The fixed connection between the components is all welded and fixed, and the pressure resistance of the whole device is 10-60kg/cm²And the temperature is 0-45 ℃.

The part above the gas distribution plate 6 in the equipment barrel 5 is the water soluble oxygen region of middling pressure, below the part is the water soluble oxygen region of high pressure, and the water soluble oxygen region of high pressure is two independent devices that water soluble oxygen device of middling pressure and water soluble oxygen device of middling pressure for the water soluble oxygen device of high pressure, adopts pipeline, valve to link together.

The realization method comprises preparing oxygen by air separation device with air as oxygen source, or directly preparing oxygen by canned industrial oxygen as oxygen source, and reducing pressure by pressure reducing device to obtain oxygen with pressure of 2-20kg/cm²Preferably 6 to 9kg/cm²For later use, 4-15kg/cm²Preferably 6 to 9kg/cm²The high-pressure water is filled with 4-15kg/cm pressure from the high-pressure water inlet 8 of the equipment cylinder 5 to the high-pressure water oxygen dissolving area²Dissolved oxygen water is required, 6-9kg/cm²High pressure oxygen ofGas enters the equipment barrel 5 from an oxygen inlet 13, a filler 9 is placed in a filler placing area and fully contacts with water, oxygen is dissolved in the water, the mass ratio of high-pressure oxygen-enriched water to water after the oxygen is dissolved is 0.4-0.6:1 (g/kg), the high-pressure oxygen-enriched water is discharged through a water outlet 12, oxygen which is not dissolved in a high-pressure area floats upwards and enters a central gas bin 14-2 of a gas-liquid separation device 14 for gas-liquid separation, the oxygen enters a gas collecting pipe 14-3 and the pressure of the oxygen is adjusted and controlled to be 2-6kg/cm by controlling the pressure on a gas pressure releasing nozzle 15²And enters the middle pressure area after being released, the gas distribution plate 6 is a device for uniformly distributing the gas, the oxygen which is not dissolved in the high pressure area is uniformly distributed through the gas distribution plate 6, and simultaneously, the middle pressure water inlet 16 of the equipment cylinder 5 is filled with the water with the pressure of 2-6kg/cm to the middle pressure water-soluble oxygen area²The water needing dissolved oxygen contacts with oxygen which is not dissolved in the high-pressure water-soluble oxygen region on a gas-liquid contact sieve plate 4 and is dissolved in water, the formed medium-pressure dissolved oxygen water is discharged from a medium-pressure dissolved oxygen water outlet 7 and is pressurized to 4-15kg/cm by a pressurizing pump²Then enters a high-pressure water-soluble oxygen area from a high-pressure water inlet 8, the liquid flow of the medium-pressure water-soluble oxygen area is equal to or larger than that of the high-pressure area, high-pressure oxygen dissolving is carried out again, and the excess water of the medium-pressure water-soluble oxygen area is stored in a circulating mode of the medium-pressure water-soluble oxygen area.

The entering water is contacted with oxygen which is not dissolved from the high-pressure area on the gas-liquid contact sieve plate 4 and dissolved in the water. The medium-pressure dissolved oxygen water after dissolving oxygen is discharged from the medium-pressure dissolved gas water outlet 7. After being pressurized by a pressurizing pump, the high-pressure water enters the high-pressure area from a high-pressure water inlet 8. The medium and high pressure zones are at equal fluid flow rates. It is also possible that the medium pressure zone has a higher flow than the high pressure zone. The excess water in the medium-pressure area adopts a medium-pressure area circulation mode. By the above, oxygen can be substantially dissolved in water.

Embodiment 1

River oxygenation

Eutrophic river channels cause excessive consumption of dissolved oxygen in water, the whole water body is seriously anoxic, an anaerobic process is generated, a large amount of odor and black sludge are generated, the ecological system of the river is seriously affected, and in order to improve the river channel system and eliminate the generation of black sludge and odor, the river water needs to be oxygenated. The utility model can effectively oxygenate, quickly and efficiently, and greatly reduces the operation cost.

The graded oxygen dissolving device is adopted to dissolve oxygen into water and then release the oxygen into a river channel. The oxygen is industrial filling oxygen. 8kg/cm²The preparation amount of the high-pressure capacity water flow is 2000kg/h, and the dissolved oxygen content is 402 mg/L. After the river channel is oxygenated for 48 hours, the oxygen amount is 39.6 kg. The dissolution efficiency of oxygen after the comprehensive calculation was 97.4%.

Example II

Fishpond culture oxygenation

The dissolved oxygen content of the fishpond needs to be maintained in the fishpond, and the fishpond is always oxygenated when needed so as to maintain the dissolved oxygen content of the fishpond. Maintaining the system balance of the whole fish pond. The utility model can rapidly supply dissolved oxygen according to the requirement, thereby greatly reducing the oxygenation cost.

The graded oxygen dissolving device is adopted to dissolve oxygen into water and then release the oxygen into a fishpond. The oxygen is industrial filling oxygen. 8kg/cm²The preparation amount of the high-pressure capacity water flow is 1000kg/h, and the dissolved oxygen content is 398 mg/L. After 2 hours of oxygenation, 0.82kg of oxygen was used. The dissolution efficiency of oxygen after the comprehensive calculation was 97.1%.

Example three

Aerobic biological treatment oxygenation in sewage treatment

In the sewage treatment, the sewage needs to be continuously oxygenated in aerobic biochemistry so as to ensure the normal growth and metabolism of microorganisms in the sewage. Dissolved oxygen, organic matters, trace elements and the like are taken as raw materials for microbial metabolism in the metabolic process. The graded oxygen dissolving device is adopted to dissolve oxygen into water and then release the oxygen into an aerobic biochemical pool. The oxygen is industrial filling oxygen. 8kg/cm²The preparation amount of the high-pressure capacity water flow is 100kg/h, and the dissolved oxygen content is 392 mg/L. After 48 hours of oxygenation, 1.95kg of oxygen was used. The dissolution efficiency of oxygen was calculated to be 96.5%.

Claims

1. The utility model provides a device of hierarchical pressure water dissolution oxygen, including evacuation mouth (1), upper cover (2), low head (11), upper cover flange (3), gas-liquid contact sieve (4), equipment barrel (5), gas distribution board (6), medium pressure dissolved gas water export (7), high pressure water inlet (8), filler (9), filler backup pad (10), low head (11), outlet (12), oxygen import (13), gas-liquid separation device (14), gas pressure release mouth (15), medium pressure water import (16), wherein gas-liquid separation device (14) comprise circumference gas storehouse (14-1), center gas storehouse (14-2), gas collecting pipe (14-3), its characterized in that: an upper seal head (2) is welded and fixed on the upper end surface of an equipment cylinder body (5) through an upper seal head connecting flange (3), a drain opening (1) is fixed at the top end of the upper seal head (2), a lower seal head (11) is fixed on the lower end surface of the equipment cylinder body (5), a drain opening (12) is fixed at the bottom end of the lower seal head (11), a medium-pressure water inlet (16) is fixed at the upper end of the outer side surface of the equipment cylinder body (5), a first gas-liquid contact sieve plate (4-1), a second gas-liquid contact sieve plate (4-2), a third gas-liquid contact sieve plate (4-3), a fourth gas-liquid contact sieve plate (4-4) are sequentially and uniformly fixed on the inner wall below the medium-pressure water inlet (16) in the equipment cylinder body (5) from top to bottom, a gas distribution plate (6) and a gas-liquid separation device (14) are sequentially, the gas pressure release nozzle (15) is fixed on the upper end face of a central gas bin (14-2) of the gas-liquid separation device (14), a high-pressure water inlet (8) is fixed on the outer side face of an equipment cylinder (5) below the gas-liquid separation device (14), a packing support plate (10) is fixed on the lower end portion of the inner wall of the equipment cylinder (5), a packing (9) is arranged on the packing support plate (10), the height of the packing (9) is lower than that of the high-pressure water inlet (8), an oxygen inlet (13) is fixed on the outer wall of the equipment cylinder (5) below the packing support plate (10), a lower end enclosure (11) is fixed on the bottom end face of the equipment cylinder (5), a water outlet (12) is fixed on the bottom end face of the lower end enclosure (11), the pressure resistance.

2. The apparatus of claim 1 for staged pressurized water dissolution of oxygen, wherein: the device barrel (5) interior gas distribution plate (6) above part be the water soluble oxygen district of middling pressure, below part be the water soluble oxygen district of high pressure, the resolvable one becomes, the water soluble oxygen district of high pressure is two independent devices that water soluble oxygen device of high pressure and water soluble oxygen district are water soluble oxygen device of middling pressure, adopt pipeline, valve to link together.

3. The apparatus of claim 1 for staged pressurized water dissolution of oxygen, wherein: the packing (9) can be any gas-liquid contact packing.

4. The apparatus of claim 1 for staged pressurized water dissolution of oxygen, wherein: the gas distribution plate (6) is a convex circular cover plate, and micro through holes are uniformly distributed on the plate.