RU2313381C1 - Water degassing apparatus - Google Patents

Abstract

FIELD: purification of water, process liquids and industrial sewage water from solution gases.

SUBSTANCE: water degassing apparatus has casing incorporating pipes with hydrophobic material laid onto their inner surface, collectors, uniting pipes, inlet and outlet branch pipes. Collectors are grouped into sectors by means of perpendicular radial partition walls equipped with windows adapted for providing sequential flowing of water through all pipes. Inlet and outlet branch pipes are communicated with adjacent sectors of one of said collectors between blind perpendicular radial partition walls.

EFFECT: simplified construction and manufacture process, and increased efficiency in degassing of liquid.

4 dwg

Description

The invention relates to techniques for purifying water, process fluids and industrial wastewater from dissolved gases.

A device for removing gases from water is known (copyright certificate SU No. 1214140, MKI 6 V01D 19/00, published in Bulletin No. 7 of 02.23.1986), comprising a housing in which pipes with hydrophobic material are located on the inner surface of the pipes , input and output collectors.

The disadvantage of this device is the low efficiency of liquid degassing.

The closest in technical essence is a device for removing gas from water (patent RU No. 2053009, MKI 6 B01D 19/00, published in Bulletin No. 3 dated 01/27/1996), including a housing in which pipes with hydrophobic material are located on the inner surface, the inlet and outlet manifolds connecting the pipes and connected to the inlet and outlet pipes, the device is equipped with a compressor mounted on the inlet pipe, the pipes are made in the form of a cermet made of cermet with variable porosity along the length of the pipes and have a cross section, m oval cross section pipes disposed along a helical line.

The disadvantages of this device are:

firstly, the complexity of the design, due to the presence of a large number of nodes and parts;

secondly, a complex manufacturing technology (coil pipes are made in the form of cermets with variable porosity along the length and have an oval cross-section, and are also located along a helical line);

thirdly, the low efficiency of liquid degassing, since the liquid passes a small distance during the degassing process, that is, the degassed liquid in the degassing zone is located for a short period of time, and the gas does not have time to completely separate from the water, on the other hand, the degassed liquid swirling in a helical flow does not mix in the center of the flow, and therefore degassing efficiency is impaired.

The objective of the invention is to simplify the design and manufacturing technology of the device, as well as increasing the efficiency of degassing liquids.

This problem is solved by a device for removing gas from water, including a housing in which pipes with hydrophobic material are located on the inner surface of the pipes, collectors that combine the pipes, inlet and outlet pipes.

What is new is that the collectors are divided into sectors by perpendicular radial partitions with windows made with the possibility of successive movement of water through all pipes, and the inlet and outlet pipes are in communication with neighboring sectors of one of the collectors between blind perpendicular radial partitions.

The figure 1 shows the proposed device for removing gas from water.

The figure 2 shows a section aa.

The figure 3 shows a section bB.

The figure 4 shows a section bb.

A device for removing gas from water includes a housing 1 (see Fig. 1), in which pipes 2 are located, made of a porous material with a hydrophobic material 3 (see Figs. 1 and 2) on the inner surface, collectors 4 and 4 'combining pipe 2, input 5 and output 6 nozzles.

The collectors 4 are divided into sectors 7, 7 ', 7' ', 7' '' (see Figs. 3 and 4), perpendicular to the radial partitions 8 with windows 9 and 9 ', made with the possibility of successive movement of water through all pipes 2.

The inlet 5 and outlet 6 pipes are in communication with neighboring sectors 7 and 7 '' (see Fig. 3) of one of the collectors 4 between the blind perpendicular radial partitions 8.

A pipe 10 is tightly connected to the housing 1 for suction of the gas released from the water and a pipe 11 for draining the leaked liquid.

The device operates as follows.

The degassed liquid under the necessary pressure is supplied through the inlet pipe 5 to the collector 4, from where it goes through the pipes 2 of the sector 7 (see Figs. 3 and 4) to the collector 4 ', and from there the degassed liquid through the window 9 enters the sector 7' and through it pipes 2 returns to the collector 4. In the collector 4, the degassed liquid enters the sector 7 '' and again moves through the pipes 2 to the collector 4 ', in which flows through the window 9' into the sector 7 '' and again returns to the collector through the pipes 2 4, from where the outlet pipe 6 degassed liquid is discharged to consumers. Thus, the degassed liquid during movement is mixed in each of the sectors 7, 7 ', 7' ', 7' '' and four times the distance between the collectors 4 and 4 '(see figure 1), which increases the residence time of the degassed liquid in the degassing zone, in connection with which the efficiency of liquid degassing increases.

When fluid moves through pipes 2 made of a porous material, under pressure, gas dissolved in water flows through the pores of the pipes 2 into the housing 1. To reduce the amount of liquid leaked through the pores of the pipes 2, the inner surface of the pipes 2 is coated with a hydrophobic coating 3, reducing the amount of fluid seeping through the pores of the pipes 2.

From the cavity of the housing 1, the evolved gas is sucked through the pipe 10, and the leaked liquid is drained through the pipe 11.

The proposed device for removing gas from water has a simple structure and consists of technologically simple parts to manufacture, and increasing the efficiency of liquid degassing is associated with mixing the degassed liquid in each sector and increasing the residence time of the degassed liquid in the degassing zone due to a multiple increase in the distance traveled by the degassed fluid in the device.

Claims (1)

A device for removing gas from water, including a housing in which pipes with hydrophobic material are located on the inner surface of the pipes, collectors combining the pipes, inlet and outlet pipes, characterized in that the collectors are divided into sectors by perpendicular radial partitions with windows made with the possibility of sequential water movement through all pipes, and the inlet and outlet nozzles are in communication with neighboring sectors of one of the collectors between blind perpendicular radial partitions.

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