阅读说明：本技术 一种检修用压缩气体过滤吹扫装置 (Compressed gas filtering and purging device for overhauling ) 是由 李晓兰 于 2021-07-16 设计创作，主要内容包括：本发明公开了一种检修用压缩气体过滤吹扫装置,包括过滤罐体和与过滤罐体通过固定件拆卸式连接的盖体,所述过滤罐体下端表面设有与其内腔连通的进气管,且进气管表面设置有进气阀,所述盖体上侧设有与过滤罐体内腔连通的排气管,所述排气管另一端连通有扫吹组件,所述过滤罐体内腔从下到上依次密封卡接有布气器、气液分离器、过滤板及吸附板,所述盖体上端分别设有压力表及压力调节阀；本发明实现了对压缩空气的过滤,同时过滤质量较高,防止因排出压缩气体中含有杂质而导致吹扫件损坏,不仅节省了压缩气体的使用量,同时节省水冷却的发电机的维修成本。(The invention discloses a compressed gas filtering and purging device for overhauling, which comprises a filtering tank body and a cover body detachably connected with the filtering tank body through a fixing part, wherein the lower end surface of the filtering tank body is provided with an air inlet pipe communicated with an inner cavity of the filtering tank body, the surface of the air inlet pipe is provided with an air inlet valve, the upper side of the cover body is provided with an exhaust pipe communicated with the inner cavity of the filtering tank body, the other end of the exhaust pipe is communicated with a purging component, the inner cavity of the filtering tank body is sequentially and hermetically clamped with an air distributor, a gas-liquid separator, a filter plate and an adsorption plate from bottom to top, and the upper end of the cover body is respectively provided with a pressure gauge and a pressure regulating valve; the invention realizes the filtration of the compressed air, has higher filtration quality, prevents the blowing piece from being damaged due to the impurity contained in the discharged compressed gas, saves the usage amount of the compressed gas and the maintenance cost of the water-cooled generator.)

1. The utility model provides a overhaul and sweep device with compressed gas filtration which characterized in that: the device comprises a filtering tank body (1) and a cover body (2) detachably connected with the filtering tank body (1) through a fixing part, wherein an air inlet pipe (3) communicated with the inner cavity of the filtering tank body is arranged on the surface of the lower end of the filtering tank body (1), an air inlet valve is arranged on the surface of the air inlet pipe (3), an exhaust pipe (11) communicated with the inner cavity of the filtering tank body (1) is arranged on the upper side of the cover body (2), and the other end of the exhaust pipe (11) is communicated with a sweeping and blowing assembly;

an inner cavity of the filtering tank body (1) is sequentially and hermetically clamped with a gas distributor (4), a gas-liquid separator (5), a filter plate (6) and an adsorption plate (7) from bottom to top;

lid (2) upper end is equipped with manometer (8) and pressure regulating valve (9) respectively, manometer (8) are used for carrying out real-time pressure measurement to filtering jar body (1) inner chamber, then cooperate the use of pressure regulating valve (9), are convenient for to the regulation of its inner chamber pressure.

2. A compressed gas filtering and purging device for overhaul according to claim 1, wherein: the fixing piece can be a bolt or a self-tapping screw, and a sealing ring (24) is embedded between the filtering tank body (1) and the cover body (2).

3. A compressed gas filtering and purging device for overhaul according to claim 1, wherein: lid (2) upper end is fixed with rolling casing (10), bottom end is fixed with back shaft (19) in rolling casing (10), rotate between back shaft (19) upper end and rolling casing (10) interior roof and be connected with rolling axle (17), back shaft (19) outer pot head is equipped with wrap spring (18), wrap spring (18) both ends respectively with back shaft (19) and rolling axle (17) bottom surface rigid coupling, and wrap spring (18) upper end be equipped with the spacing ring of establishing with rolling axle (17) fixed cover, blast pipe (11) winding is on the surface of rolling axle (17).

4. A compressed gas filtering and purging device for overhaul according to claim 1, wherein: sweep and blow pipe (12) that the subassembly includes and communicate with blast pipe (11), pipe (12) opposite side equidistance intercommunication has to sweep pipe (14), and is a plurality of sweep pipe (14) and all be equipped with flow regulator (20) near pipe (12) one end surface, filter jar body (1) upper end one side rigid coupling have with sweep and blow the placing fastener (16) that the subassembly matches.

5. A compressed gas filtering and purging device for overhaul according to claim 4, wherein: a handheld part (13) is fixedly sleeved between the connecting part of the exhaust pipe (11) and the guide pipe (12), and an air outlet valve (21) connected with the exhaust pipe (11) is arranged on the surface of the handheld part (13).

6. A compressed gas filtering and purging device for overhaul according to claim 1, wherein: the filter (6) are two-layer with adsorption plate (7) quantity, and both all seted up joint groove (23) with the downside both ends of gas distributor (4), vapour and liquid separator (5), filter jar body (1) inner wall and be fixed with L type cardboard (22) with a plurality of joint groove (23) joint.

7. A compressed gas filtering and purging device for overhaul according to claim 1, wherein: the bottom end of the filtering tank body (1) is clamped with a movable seat (15), and the upper end surface of the filtering tank body (1) is fixed with a push handle.

8. A compressed gas filtering and purging device for overhaul according to claim 6, wherein: the filter plate (6) is a fiber filter screen, and the adsorption plate (7) is a honeycomb-shaped activated carbon adsorption layer.

Technical Field

The invention relates to the field of maintenance of double-water internal cooling generators, in particular to a compressed gas filtering and purging device for maintenance.

Background

The stator and the rotor are both water-cooled generators, called double water internal-cooled generators, the iron core of the double water internal-cooled generator is air-cooled, under the action of fans at two ends of the rotor, air enters the air gap through the end part of the stator winding, then is collected to the hot air area by the ventilation groove of the stator iron core, and after being cooled by the air cooler, enters the negative pressure area of the fan through the air channels at two sides to form the circulation of the air path.

Because the long-time use of water-cooled generator, can deposit impurity such as a large amount of steam, incrustation scale and metal piece in the compressed gas pipeline, generally take after discharging the compressed gas in the compressed gas pipeline for a period of time, the current resource of not only wasting, still can have a small amount of impurity in the compressed gas pipeline simultaneously, not only improved the maintenance cost of water-cooled generator, cause certain damage to sweeping the piece simultaneously, for this we provide one kind and overhaul with compressed gas filtration sweep device.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a compressed gas filtering and purging device for maintenance, which can solve the problems that compressed gas is filtered and purged at first, maintenance cost is reduced, and meanwhile, a purging piece is prevented from being damaged due to purging.

In order to solve the technical problems, the invention provides the following technical scheme: a compressed gas filtering and blowing device for overhauling comprises a filtering tank body and a cover body detachably connected with the filtering tank body through a fixing part, wherein an air inlet pipe communicated with an inner cavity of the filtering tank body is arranged on the surface of the lower end of the filtering tank body, an air inlet valve is arranged on the surface of the air inlet pipe, an exhaust pipe communicated with the inner cavity of the filtering tank body is arranged on the upper side of the cover body, and the other end of the exhaust pipe is communicated with a blowing component;

the inner cavity of the filter tank body is sequentially and hermetically clamped with a gas distributor, a gas-liquid separator, a filter plate and an adsorption plate from bottom to top;

the upper end of the cover body is respectively provided with a pressure gauge and a pressure regulating valve, the pressure gauge is used for carrying out real-time pressure detection on the inner cavity of the filter tank body, and the pressure regulating valve is matched with the pressure regulating valve to be convenient for regulating the pressure of the inner cavity.

According to the preferable technical scheme, the fixing piece can be a bolt or a self-tapping screw, and a sealing ring is embedded between the filtering tank body and the cover body.

According to a preferred technical scheme of the invention, a winding shell is fixed at the upper end of the cover body, a supporting shaft is fixed at the inner bottom end of the winding shell, a winding shaft is rotatably connected between the upper end of the supporting shaft and the inner top wall of the winding shell, a winding spring is sleeved at the outer end of the supporting shaft, two ends of the winding spring are respectively fixedly connected with the supporting shaft and the bottom end surface of the winding shaft, a limiting ring fixedly sleeved with the winding shaft is arranged at the upper end of the winding spring, and the exhaust pipe is wound on the surface of the winding shaft.

According to a preferable technical scheme, the sweeping and blowing assembly comprises a guide pipe communicated with an exhaust pipe, sweeping pipes are communicated with the other side of the guide pipe at equal intervals, flow regulators are arranged on the surfaces of the sweeping pipes close to one end of the guide pipe, and a placing clamping piece matched with the sweeping and blowing assembly is fixedly connected to one side of the upper end of the filtering tank body.

As a preferred technical scheme of the invention, a handheld part is fixedly sleeved between the connecting parts of the exhaust pipe and the guide pipe, and the surface of the handheld part is provided with an air outlet valve connected with the exhaust pipe.

According to a preferable technical scheme, the filter plate and the adsorption plate are two in number, clamping grooves are formed in the filter plate and the adsorption plate, the gas distributor and two ends of the lower side of the gas-liquid separator are provided with clamping grooves, and L-shaped clamping plates clamped with the clamping grooves are fixed on the inner wall of the filter tank body.

As a preferred technical scheme of the invention, the bottom end of the filtering tank body is clamped with a movable seat, and the surface of the upper end of the filtering tank body is fixed with a push handle.

As a preferred technical scheme of the invention, the filter plate is a fiber filter screen, and the adsorption plate is a honeycomb-shaped activated carbon adsorption layer.

Compared with the prior art, the invention can achieve the following beneficial effects:

1. the compressed gas gradually rises and is sequentially contacted with the gas distributor, the gas-liquid separator, the filter plate and the adsorption plate, so that the filtering quality of the compressed air is effectively improved by sequentially uniformly distributing, separating water from vapor, filtering and adsorbing the compressed gas, the damage of a purging piece caused by impurities in the discharged compressed gas is prevented, the use amount of the compressed gas is saved, and the maintenance cost of a water-cooled generator is saved;

2. through the use of rolling axle, with the winding of blast pipe on its surface, during the use, the pulling sweeps the subassembly, sweeps the subassembly and passes through the blast pipe and apply the pulling force to mobilize the rolling axle and rotate, pull out it, will sweep the distance when shorter, through the cooperation of rolling spring and back shaft, carry out the automatic rolling to the blast pipe, convenient to use prevents simultaneously that the blast pipe from putting in disorder, the increase is to its spoilage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the sweeping assembly of the present invention;

FIG. 3 is a schematic structural view of the interior of the rolling housing of the present invention;

FIG. 4 is a schematic view of the sweeping assembly of the present invention;

FIG. 5 is a schematic view of the connection structure of the gas distributor and the L-shaped clamping plate of the present invention;

wherein: 1. filtering the tank body; 2. a cover body; 3. an air inlet pipe; 4. a gas distributor; 5. a gas-liquid separator; 6. a filter plate; 7. an adsorption plate; 8. a pressure gauge; 9. a pressure regulating valve; 10. winding the shell; 11. an exhaust pipe; 12. a conduit; 13. a hand-held portion; 14. a purge tube; 15. a movable seat; 16. placing a clamping piece; 17. a winding shaft; 18. winding a spring; 19. a support shaft; 20. a flow regulator; 21. an air outlet valve; 22. an L-shaped clamping plate; 23. a clamping groove; 24. and (5) sealing rings.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in figures 1, 2 and 4, the invention provides a compressed gas filtering and purging device for maintenance, which comprises a filtering tank body 1 and a cover body 2 detachably connected with the filtering tank body 1 through a fixing part, wherein the fixing part can be a bolt or a self-tapping screw and the like, a sealing ring 24 is embedded between the filtering tank body 1 and the cover body 2 to increase the sealing property between the filtering tank body 1 and the cover body 2, the lower end surface of the filtering tank body 1 is provided with an air inlet pipe 3 communicated with the inner cavity of the filtering tank body, the other end of the air inlet pipe 3 is communicated with a compressed gas pipeline, the surface of the air inlet pipe 3 is provided with an air inlet valve for controlling the discharge of compressed air, the upper side of the cover body 2 is provided with an exhaust pipe 11 communicated with the inner cavity of the filtering tank body 1, the exhaust pipe 11 is an elastic hose, the other end of the exhaust pipe 11 is communicated with a purging assembly, the purging assembly comprises a conduit 12 communicated with the exhaust pipe 11, the conduit 12 is of an arc structure and is used for collecting the discharged compressed gas, the other side of the conduit 12 is communicated with a plurality of purging pipes 14 at equal intervals, the surface of one end of each purging pipe 14 close to the conduit 12 is provided with a flow regulator 20, used for controlling the discharge amount of compressed gas, one side of the upper end of the filtering tank body 1 is fixedly connected with a placing clamping piece 16 matched with the sweeping and blowing component, so that when not in use, the sweeping and blowing component is clamped and placed to prevent the sweeping and blowing component from falling from the surface of the filtering tank body 1 to cause damage, the gas distributor 4, the gas-liquid separator 5, the filter plate 6 and the adsorption plate 7 are sequentially and hermetically clamped in the inner cavity of the filtering tank body 1 from bottom to top, the filter plate 6 is a fiber filter screen, the adsorption plate 7 is a honeycomb-shaped activated carbon adsorption layer, the upper end of the cover body 2 is respectively provided with a pressure gauge 8 and a pressure regulating valve 9, the pressure gauge 8 is used for carrying out real-time pressure detection on the inner cavity of the filtering tank body 1, and the pressure regulating valve 9 is matched for use, so that the pressure of the inner cavity is conveniently regulated;

firstly, the other end of the air inlet pipe 3 is connected with a compressed gas pipeline, an air inlet valve on the surface of the air inlet pipe 3 is opened, the compressed gas is guided into the cavity of the filtering tank body 1 through the air inlet pipe 3 and gradually rises by introducing the amount of the compressed gas, in the rising process, the compressed gas firstly penetrates through the inside of the air distributor 4, the air distributor 4 uniformly distributes the compressed gas so that the compressed gas is uniformly distributed in the inner cavity of the filtering tank body 1 and continuously rises to be contacted with the gas-liquid separator 5 to adsorb the moisture in the compressed gas, the water-vapor separation of the compressed gas is realized, then the compressed gas is contacted with the filter plate 6 to filter impurities, the adsorption of smaller particles in the compressed air is realized when the compressed gas passes through the adsorption plate 7, the filtering quality of the compressed air is effectively improved, then the filtered compressed gas is guided to the guide pipe 12 and each purging pipe 14 to be discharged through the exhaust pipe 11, and meanwhile, the flow regulator 20 on the surface of each purging pipe 14 is controlled, the flow of the compressed air blown out can be flexibly adjusted, when a part is swept, the flow regulator 20 on the surface of the corresponding sweeping pipe 14 can be opened, other sweeping pipes 14 are closed, the using amount of the compressed air is reduced, meanwhile, the pressure gauge 8 and the pressure regulating valve 9 are matched for use, the internal pressure of the filtering tank body 1 is monitored and adjusted in real time, and the problem that the filtering tank body 1 is exploded due to overlarge pressure or compressed gas is difficult to discharge due to undersize is solved.

As shown in fig. 1 and 3, an embodiment of the invention discloses that a winding shell 10 is fixed at the upper end of a cover body 2, a supporting shaft 19 is fixed at the inner bottom end of the winding shell 10, a winding shaft 17 is rotatably connected between the upper end of the supporting shaft 19 and the inner top wall of the winding shell 10, a winding spring 18 is sleeved at the outer end of the supporting shaft 19, two ends of the winding spring 18 are respectively fixedly connected with the bottom end surfaces of the supporting shaft 19 and the winding shaft 17, a limiting ring fixedly sleeved with the winding shaft 17 is arranged at the upper end of the winding spring 18, and an exhaust pipe 11 is wound on the surface of the winding shaft 17;

through the use of rolling axle 17, with blast pipe 11 winding on its surface, during the use, the pulling sweeps the subassembly, sweeps the subassembly and passes through blast pipe 11 and apply the pulling force to transferring rolling axle 17 and rotating, pulling out it, will sweeping the distance when short, through the cooperation of wrap spring 18 and back shaft 19, carry out the automatic rolling to blast pipe 11, convenient to use prevents simultaneously that blast pipe 11 from putting in disorder, the increase is to its spoilage.

As shown in fig. 4, the embodiment of the invention discloses that a handheld portion 13 is fixedly sleeved between the connection portion of the exhaust pipe 11 and the guide pipe 12, so that the sweeping component can be conveniently taken, meanwhile, when the handheld portion 13 is clamped and fixed, the handheld portion 13 is clamped and connected inside the clamping piece 16, so that the clamping stability of the handheld portion is improved, and the surface of the handheld portion 13 is provided with an air outlet valve 21 connected with the exhaust pipe 11, so that the whole switch of the sweeping component can be conveniently controlled.

As shown in fig. 1 and 5, the embodiment of the invention discloses that the number of the filter plate 6 and the number of the adsorption plate 7 are two, the filter plate 6 and the adsorption plate 7, the gas distributor 4 and the gas-liquid separator 5 are both provided with clamping grooves 23 at the two ends of the lower side, and the inner wall of the filter tank body 1 is fixed with an L-shaped clamping plate 22 clamped with the clamping grooves 23, so that the filter plate 6, the adsorption plate 7, the gas distributor 4 and the gas-liquid separator 5 are clamped, and the disassembly and the assembly of the four are facilitated.

As shown in fig. 1, the embodiment of the invention discloses that a movable base 15 is clamped at the bottom end of a filtering tank body 1, and a push handle is fixed on the surface of the upper end of the filtering tank body 1, so that the filtering tank body 1 can be conveniently moved integrally.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.