Portable diving operation gas filtering device with pressure alarm function

Abstract

The utility model discloses a portable diving operation gas filtering device with a pressure alarm function, and relates to the technical field of occupational health and safety. The filter element is used for filtering moisture and small particles in compressed gas; the filter element tank body is provided with accommodating cavities of which the number is the same as that of the filter elements, and the accommodating cavities are used for accommodating the filter elements; the filter element tank cover is used for sealing the accommodating cavity and connecting the plurality of filter elements in series, an exhaust outlet is formed in the filter element tank cover, and an electric contact pressure gauge is mounted on the exhaust outlet; the filter element tank bottom is used for discharging moisture generated in the compressed gas filtering process of each filter element. The device has the beneficial effects that solid particles, moisture, grease and peculiar smell in compressed gas are efficiently removed through the synergistic effect of the dust removal filter, the water removal filter, the oil removal filter and the tiny oil filter. And through the electric contact pressure gauge, the high pressure and the low pressure of the output gas are kept in a proper range, and the breathing safety of the diver during underwater operation is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of occupational health and safety, and particularly relates to a portable diving operation gas filtering device with pressure alarm. Background Art

[0002] Diving operation is an activity that requires highly professional knowledge and skills, and the safety and health of divers are of utmost importance. In diving operations, due to the particularity of the underwater environment, divers need to breathe specially treated gas to sustain life. However, existing compressed gas filtering devices often have a single function, are inconvenient to move, have abnormal output gas pressure, and cannot effectively remove various pollutants in the air, such as solid particles, moisture, grease, and odors, which pose a threat to the health and life safety of divers. Summary of the Invention

[0003] The purpose of the utility model is to provide a portable diving operation gas filtering device with pressure alarm in view of the problem of single function and insufficient filtering effect of the compressed gas filtering device in the prior art.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: A portable diving operation gas filtering device with pressure alarm, which comprises:

[0005] A plurality of filter elements for filtering moisture and fine particles in compressed gas;

[0006] A filter element tank body provided with accommodation cavities having the same number as the filter elements, and the accommodation cavities are used for accommodating the filter elements;

[0007] A filter element tank cover installed at the top end of the filter element tank body for closing the accommodation cavity and connecting a plurality of filter elements in series. An air inlet and an exhaust outlet are respectively arranged on the filter element tank cover, and an electric contact pressure gauge for measuring the gas pressure in the filter is installed on the exhaust outlet;

[0008] A filter element tank bottom installed at the bottom end of the filter element tank body for discharging the moisture generated during the process of filtering compressed gas by each filter element.

[0009] Further, the filter element tank cover comprises a cover body and a connecting pipe. A plurality of closed cavities corresponding to the accommodation cavities are arranged in the cover body, and adjacent closed cavities are connected in series through the connecting pipe in sequence. At the same time, an exhaust outlet and an air inlet are arranged on the closed cavities at the beginning and end of the series.

[0010] Further, the filter element comprises:

[0011] A dust removal filter is used to filter solid particles in the gas, and the dust removal filter is connected to the air inlet on the filter element tank cover; the dust removal filter can effectively filter fine particles in the compressed gas, improve the quality of the compressed gas, reduce the spread of allergens, and protect the health of divers.

[0012] A water removal filter is used to adsorb moisture in the gas, and the air inlet end of the water removal filter is connected to a connecting pipe communicating with the accommodating cavity where the dust removal filter is located;

[0013] An oil removal filter is used to filter grease in the gas; the air inlet end of the oil removal filter is connected to a connecting pipe communicating with the accommodating cavity where the water removal filter is located;

[0014] A micro-oil filter is used to further filter grease and odor in the gas. The air inlet end of the micro-oil filter is connected to a connecting pipe communicating with the accommodating cavity where the oil removal filter is located, and an exhaust outlet is provided at the position of the filter element tank cover corresponding to the micro-oil filter.

[0015] Further, a high-purity fine glass fiber cotton filter element is disposed in the dust removal filter.

[0016] Further, a high-purity glass fiber filter element is disposed in the water removal filter.

[0017] Further, an HV high-purity glass fiber filter element is disposed in the oil removal filter.

[0018] Further, an HV glass fiber mesh filter element is disposed in the micro-oil filter.

[0019] Further, a handle for easy grasping is installed at the top end of the filter element tank cover.

[0020] Further, the bottom of the filter element tank includes a tank bottom, an accommodating cavity, a drain port and a sewage discharger. The tank bottom is connected to the filter element tank body, and an accommodating cavity and a drain port communicating the accommodating cavity with the outside are provided on the tank bottom. The sewage discharger is installed at the bottom end of the accommodating cavity and is connected to the sewage discharge port on the filter element tank bottom, and the number of the sewage dischargers is the same as the number of the accommodating cavities.

[0021] After adopting the above technical solution, the beneficial effects of the present utility model are as follows: Through the synergistic effect of the dust removal filter, the water removal filter, the oil removal filter and the micro-oil filter, the efficient removal of solid particles, moisture, grease and odor in the compressed gas is realized. Through the electric contact pressure gauge, the high and low pressures of the output gas are maintained within an appropriate range, ensuring the breathing safety of divers during underwater operations.

[0022] Multiple filter elements are all installed in the filter element tank body and are connected through connecting pipes, which can effectively reduce the volume of the equipment. Description of the Drawings

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0024] Figure 1 is a schematic structural diagram of the present invention.

[0025] Figure 2 is an exploded view of the present invention.

[0026] Figure 3 is a schematic structural diagram of the filter element tank cover in the present invention.

[0027] Explanation of reference numerals:

[0028] Filter element 2, dust removal filter 11, water removal filter 12, oil removal filter 13, micro-oil filter 14, filter element tank body 3, accommodation cavity 21, filter element tank cover 1, cover body 31, closed cavity 32, connecting pipe 33, exhaust outlet 34, air inlet 35, electric contact pressure gauge 36, handle 37, filter element tank bottom 4, tank bottom 41, placement cavity 42, drain port 43, sewage ejector 44. Detailed implementation manners

[0029] Refer to Figures 1-3 As shown, the technical solution adopted in this detailed implementation manner is: a portable diving operation gas filtering device with pressure alarm, which includes:

[0030] Filter element 2, with four of each type, one for each, for filtering moisture and fine particles in compressed gas. The four filter elements 2 are respectively a dust removal filter 11, a water removal filter 12, an oil removal filter 13 and a micro-oil filter 14;

[0031] The dust removal filter 11 is provided with a high-purity fine glass fiber cotton filter element, which can effectively filter fine particulate matter in compressed gas, improve the quality of compressed gas, reduce the spread of allergens, and protect the health of divers;

[0032] The water removal filter 12 is provided with a high-purity glass fiber filter element for adsorbing moisture in the gas;

[0033] The oil removal filter 13 is provided with an HV high-purity glass fiber filter element for filtering oil in the gas; The HV high-purity glass fiber filter element has good durability and stability, can maintain the filtering effect for a long time, has good moisture resistance and chemical corrosion resistance, and its filtering performance can remain stable even in an environment with high humidity or the presence of chemical substances;

[0034] The micro-oil filter 14 is provided with an HV fiberglass mesh filter element in it, which is used to further filter the grease and odor in the gas. The HV fiberglass mesh filter element can reduce the harmful substances and odor in the compressed gas, improve the compressed gas, and ensure the health of divers.

[0035] The filter element tank body 3 is provided with four accommodating cavities 21 for accommodating the filter element 2.

[0036] The filter element tank cover 1 is installed at the top end of the filter element tank body 3, which is used to close the accommodating cavity and connect several filter elements 2 in series. The filter element tank cover 1 includes a cover body 31, a connecting pipe 33, an exhaust outlet 34, an air inlet 35, a pressure gauge and a handle 37. Four closed cavities 32 corresponding to the accommodating cavities 21 are arranged in the cover body 31, and the adjacent closed cavities 32 are connected in series through the connecting pipe 33 in turn. The two ends of the connecting pipe 33 are respectively connected to the side of the accommodating cavity 21 and the air inlet of the filter element 2. At the same time, an exhaust outlet 34 and an air inlet 35 are arranged on the closed cavities 32 at the beginning and end of the series connection. An electric contact pressure gauge 36 for measuring the gas pressure in the filter and loss of pressure alarm is installed on the exhaust outlet 34; a handle 37 for easy grasping is also installed at the top end of the filter element tank cover 1.

[0037] In this embodiment, the air inlet 35 is first connected to the dust filter 11, and then the air inlet end of the water removal filter 12 is connected to the connecting pipe 33 communicating with the accommodating cavity 21 where the dust filter 11 is located; then the air inlet end of the oil removal filter 13 is connected to the connecting pipe 33 communicating with the accommodating cavity 21 where the water removal filter 12 is located; finally, the air inlet end of the micro-oil filter 14 is connected to the connecting pipe 33 communicating with the accommodating cavity 21 where the oil removal filter 13 is located, and an exhaust outlet 34 is arranged at the position of the filter element tank cover 1 corresponding to the micro-oil filter 14. At the same time, the electric contact pressure gauge 36 can set the upper and lower limit alarm values of the pressure and monitor the pointer indicating pressure value in real time.

[0038] The filter element tank bottom 4 is installed at the bottom end of the filter element tank body 3, which is used to discharge the water generated during the process of filtering the compressed gas by each filter element 2. The filter element tank bottom 4 includes a tank bottom 41, a placement cavity 42, a drain port 43 and a sewage discharger 44. The tank bottom 41 is connected to the filter element tank body 3, and a placement cavity 42 and a drain port 43 communicating the placement cavity 42 with the outside are arranged on the tank bottom 41. The sewage discharger 44 is installed at the bottom end of the accommodating cavity 21 and is connected to the sewage discharge port on the filter element tank bottom 4, and the number of the sewage dischargers 44 is the same as the number of the accommodating cavities 21.

[0039] Working principle of the utility model: First, connect the compressed gas to be filtered to the air inlet 35 according to the requirements of diving operations. The compressed gas is preliminarily filtered by the dust removal filter 11 to remove the tiny solid particles in the gas. Then, it enters the water removal filter 12 through the connecting pipe 33, and the adsorbed water in the gas is removed by the high-purity glass fiber filter element. Next, the compressed gas enters the high-efficiency oil removal filter 13 through the connecting pipe 33, and the HV high-purity glass fiber filter element filters the grease in the gas. Finally, it enters the micro-oil filter 14 through the connecting pipe 33, and the HV glass fiber mesh filter element can further remove and reduce the residual grease and odor in the compressed gas, improve the compressed gas, and ensure the health of divers. At the same time, a sewage discharger 44 is added below each accommodating cavity 21 to discharge the water generated during the filtering process from the accommodating cavity 21.

[0040] At the same time, the electric contact pressure gauge 36 on the exhaust outlet 34 is set with upper and lower pressure limit alarm values to monitor the pressure value indicated by the pointer in real time, so that the pressure of the output compressed gas is maintained within an appropriate pressure range.

[0041] The compressed gas filtering device for diving operations of the present invention has the characteristics of high efficiency, durability, convenient cleaning and maintenance, and can greatly improve the efficiency and safety of diving operations.

[0042] The above is only used to illustrate the technical solution of the utility model and not to limit it. Any other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solution of the utility model shall be covered within the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A portable gas filter device for diving operations with pressure alarm, characterized in that: It includes: A plurality of filter elements (2) are provided for filtering moisture and tiny particles in the compressed gas; The filter element tank body (3) is provided with the same number of accommodating cavities (21) as the number of filter elements (2), and the accommodating cavities (21) are used to accommodate the filter elements (2); A filter element tank cover (1) is installed at the top of the filter element tank body (3) and is used to close the accommodating cavity and connect a plurality of filter elements (2) in series. The filter element tank cover (1) is provided with an air inlet (35) and an exhaust outlet (34), respectively. The exhaust outlet (34) is provided with an electric contact pressure gauge (36) for measuring the gas pressure in the filter and for alarming for loss of pressure. The filter element tank bottom (4) is installed at the bottom end of the filter element tank body (3) and is used to discharge the moisture generated in the process of each filter element (2) filtering the compressed gas; The filter element tank cover (1) comprises a cover body (31) and a connecting pipe (33), wherein a plurality of closed cavities (32) corresponding to the accommodating cavity (21) are arranged in the cover body (31), and adjacent closed cavities (32) are sequentially connected in series through the connecting pipe (33), and an exhaust outlet (34) and an air inlet (35) are arranged on the closed cavities (32) at the beginning and the end of the series connection; The filter element (2) comprises: A dust removal filter (11) is used to filter solid particles in the gas, and the dust removal filter (11) is connected to the air inlet (35) on the filter element tank cover (1); A dewatering filter (12) for absorbing moisture in the gas, wherein the air inlet end of the dewatering filter (12) is connected to a connecting pipe (33) connected to the accommodating chamber (21) where the dust removal filter (11) is located; An oil removal filter (13) is used to filter grease in the gas; the air inlet end of the oil removal filter (13) is connected to a connecting pipe (33) connected to the accommodating chamber (21) where the water removal filter (12) is located; The micro-oil filter (14) is used to further filter grease and odor in the gas. The air inlet end of the micro-oil filter (14) is connected to a connecting pipe (33) connected to the accommodating chamber (21) where the oil removal filter (13) is located, and an exhaust outlet (34) is provided at a position of the filter element tank cover (1) corresponding to the micro-oil filter (14).

2. A portable gas filter device for diving operations with pressure alarm according to claim 1, characterized in that: The water removal filter (12) has a high-purity glass fiber filter element disposed therein.

3. A portable gas filter device for diving operations with pressure alarm according to claim 1, characterized in that: The oil removal filter (13) has an HV high-purity glass fiber filter element disposed therein.

4. A portable gas filter device for diving operations with pressure alarm according to claim 1, characterized in that: The micro-oil filter (14) has an HV glass fiber mesh filter element disposed therein.

5. A portable gas filter device for diving operations with pressure alarm according to claim 1, characterized in that: The dust removal filter (11) is provided with a high-purity glass fiber cotton filter element.

6. A portable gas filter device for diving operations with pressure alarm according to claim 1, characterized in that: A handle (37) is installed on the top of the filter element tank cover (1).

7. A portable gas filter device for diving operations with pressure alarm according to claim 1, characterized in that: The filter cartridge tank bottom (4) comprises a tank bottom (41), a placement cavity (42), a drainage port (43) and a sewage discharger (44); the tank bottom (41) is connected to the filter cartridge tank body (3), and the tank bottom (41) is provided with a placement cavity (42) and a drainage port (43); the sewage discharger (44) is installed at the bottom end of the accommodating cavity (21) and is connected to the sewage discharge port on the filter cartridge tank bottom (4).

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