CN211562233U

CN211562233U - Air filter

Info

Publication number: CN211562233U
Application number: CN201922415835.4U
Authority: CN
Inventors: 赖洋林; 万辉; 万鹏; 杨晓东
Original assignee: Kuaibei New Energy Technology Shanghai Co ltd; Shanghai Tn Industrial Co ltd
Current assignee: Kuaibei New Energy Technology Shanghai Co ltd; Shanghai Tn Industrial Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-25
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses an air filter belongs to and filters technical field. The air filter comprises a hollow pipe, a cylinder body, a filtering component and a fan heater. Wherein, the filter assembly is connected in the top of barrel, and the one end of hollow tube stretches into and upwards extends to the filter assembly from the bottom of barrel, and the other end is connected with the sealing equipment circulation gas mouth. The bottom of barrel is equipped with the air inlet, and the inner chamber of barrel is from the bottom up has set gradually the stoving zone of heating and the dehydration drying district, and the dehydration drying district intussuseption is filled with the drier, is provided with fan heater in the stoving zone of heating, and fan heater is used for heating the drier dehydration. This air cleaner can filter the solid pollution granule and the moisture in the gas, has slowed down the oxidation and the emulsification speed of gear oil to guarantee the good lubrication of the metal parts in the sealing equipment, and drier wherein can recycle, extension equipment maintenance and spare part change cycle save the cost.

Description

Air filter

Technical Field

The utility model relates to a filtration technology field especially relates to an air cleaner.

Background

An air filter is arranged outside the general gear box, and the service life of parts such as a gear part, a bearing and the like in the gear box is ensured by filtering gas entering the gear box.

Because the air filter mounted on the traditional gear box can not filter solid pollution particles, the solid pollution particles in gas enter the gear box in the use process, and the probability of increasing the abrasion and damage of gear parts and bearings is caused; the vent hole of the air filter is directly communicated with the external atmosphere in a humid environment, the desiccant of the air filter is saturated and loses efficacy in a short time by humid gas, and finally gear oil is oxidized or emulsified in an accelerated manner, so that metal parts are damaged due to poor lubrication, the air filter is frequently replaced, and the cost is also increased.

Therefore, there is a need for an air filter capable of filtering solid pollution particles and moisture in air and recycling a drying agent, so as to solve the above technical problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air cleaner, solid pollution granule and moisture in this air cleaner can the filtered air to drier wherein can recycle, saves the cost.

To achieve the purpose, the utility model adopts the following technical proposal:

an air filter comprises a hollow pipe, a cylinder, a filter assembly and a fan heater, wherein the filter assembly is connected to the top of the cylinder, one end of the hollow pipe extends into the filter assembly from the bottom of the cylinder and upwards extends into the filter assembly, and the other end of the hollow pipe is connected with a circulating air port of sealing equipment; the bottom of barrel is equipped with the air inlet, the inner chamber of barrel has set gradually the stoving zone of heating and the dehydration drying district from bottom to top, the intussuseption of dehydration drying district is filled with the drier, be provided with in the stoving zone of heating fan heater, fan heater is used for right the drier heats the dehydration.

As a preferred technical scheme of the air filter, the hollow pipe and the cylinder are coaxially arranged.

As a preferable technical scheme of the air cleaner, the number of the fan heaters is multiple, and the fan heaters are uniformly distributed in the drying and heating area by taking the axis of the cylinder as a central line.

As a preferred technical scheme of the air filter, a first isolation net is arranged between the filtering component and the dehydration drying area, and a second isolation net is arranged between the dehydration drying area and the drying heating area.

As a preferred technical scheme of the air filter, the air filter further comprises a one-way water-stop film, and the one-way water-stop film is arranged on the first isolation net and the second isolation net or arranged on the second isolation net.

As a preferred technical scheme of air cleaner, filter assembly includes filter screen and shell, the shell can dismantle the connection in on the barrel, the filter screen is filled in the inner chamber of shell.

As a preferable technical solution of the air cleaner, the top end of the filter assembly is provided with an exhaust assembly configured to: when the fan heater works, the exhaust assembly is opened to enable the interior of the filter assembly to be communicated with the outside atmosphere; when the fan heater does not work, the exhaust assembly is closed, so that the interior of the filter assembly is not communicated with the outside atmosphere.

As a preferable technical solution of the air cleaner, the exhaust assembly includes an exhaust port provided on a top end of the filter assembly and an exhaust cap capable of closing or opening the exhaust port, and the exhaust cap is rotatably connected to the exhaust port.

As a preferred technical scheme of the air filter, the cylinder is a transparent cylinder, and the drying agent is a water absorption color-changing drying agent.

As a preferred technical scheme of the air filter, the material of the filter screen is a glass fiber material.

The utility model provides an air filter, including hollow tube, barrel, filtering component and fan heater. The bottom of the cylinder is provided with an air inlet for introducing external air, an inner cavity of the cylinder is sequentially provided with a drying heating area and a dehydration drying area from bottom to top, the dehydration drying area is filled with a drying agent for dehydrating and drying the external air, a fan heater is arranged in the drying heating area and used for heating and dehydrating the drying agent, so that the moisture in the drying agent is reduced, the oxidation and emulsification speed of gear oil is slowed down, good lubrication of metal parts in sealing equipment is ensured, the drying agent can be continuously used in a water absorption cycle manner, the equipment maintenance and spare part replacement period is prolonged, and the cost is saved; the filter assembly is connected in the top of barrel, and the one end of hollow tube stretches into and upwards extends to the filter assembly from the bottom of barrel, and the other end is connected with sealing device's circulation gas port, can filter the solid contamination granule in the external air through setting up the filter assembly, and gas after the filtration enters into sealing device through the circulation gas port of hollow tube and sealing device in, prevents inside the foreign particles entering equipment in the external air.

Drawings

Fig. 1 is a schematic structural view of an air cleaner according to an embodiment of the present invention.

Reference numerals:

1. a hollow tube; 2. a barrel;

3. a filter assembly; 31. a filter screen; 32. a housing;

4. a fan heater; 5. a desiccant;

6. an exhaust assembly; 61. an exhaust cap; 62. an exhaust port;

7. a first isolation mesh; 8. a second isolation mesh.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1, the present embodiment provides an air cleaner including a hollow tube 1, a cylinder 2, a filter assembly 3, and a fan heater 4. Wherein, filtering component 3 is connected in the top of barrel 2, and the one end of hollow tube 1 stretches into and upwards extends to filtering component 3 from the bottom of barrel 2, and the other end is connected with sealing device's circulation gas mouth. The bottom of barrel 2 is equipped with the air inlet, and the inner chamber of barrel 2 is from the bottom up has set gradually the stoving zone of heating and the dehydration drying district, and the dehydration drying district intussuseption is filled with drier 5, is provided with fan heater 4 in the stoving zone of heating, and fan heater 4 is used for heating the dehydration to drier 5. Wherein, the sealing equipment comprises a gear box or a variable pressure oil tank and the like.

The outside gas passes through the drying heating area and the dehydration drying area from bottom to top in proper order from the air inlet of barrel 2, and in the dehydration drying area, the moisture that the drier 5 absorbed gas carried, through during dry gas continues to rise to filter assembly 3, filter assembly 3 intercepts the solid pollution granule in the gas and filters, and last gas from top to bottom passes through hollow tube 1 and sealing equipment circulation gas port and enters into inside the sealing equipment. This air cleaner can avoid solid pollution granule to get into in the sealing equipment along with gas through setting up filter element 3 to reduce the wearing and tearing of parts such as gear spare and bearing in the sealing equipment and the probability of damaging, thereby prolong the replacement cycle of sealing equipment maintenance and spare part, especially filter element 3's setting is especially important in the serious area of dust and sand. When the sealing device is in an extremely humid environment, the drying agent 5 is arranged in the dehydration drying area, so that moist gas can be prevented from entering the sealing device, the oxidation and emulsification speed of gear oil can be reduced, and good lubrication of metal parts can be guaranteed.

In very moist environment, the air inlet and the outside atmosphere straight-through of barrel 2, the steam that outside atmospheric air carried enters into the dehydration drying zone along the air inlet, drier 5 can absorb water gradually and become invalid, for the change cycle that reduces sealing device's maintenance cost and spare part, the life of extension air cleaner and sealing device, this embodiment is through setting up fan heater 4 in the stoving zone of heating, can heat the drying to the drier 5 that is located the stoving zone of heating top, drier 5 after the dehydration need not to change just can continue used repeatedly, the cost is saved.

Preferably, the fan heater 4 is powered by an external direct current small-voltage power supply, the heating power is adjustable, and the heating temperature of the fan heater 4 can be selected to be 100-150 ℃. Specifically, the fan heater 4 is generally composed of a heat radiating plate, an electric heater, and a fan. The heat dissipation plate and the fan are made of metal materials, and the rated rotating speed of the fan is 1250 r/min. Optionally, the power supply parameters of the fan heater 4 are a rated voltage 24VDC and a rated current 2.5A, and the power supply interface is a plug-in interface. The fan heater 4 can adjust the heating rate and temperature in real time according to the dehydration degree required by the drying agent 5, so that the drying agent 5 is locally overheated and dehydrated. The fan heater 4 is a mature technology in the prior art, and the detailed working principle is not described here. In this embodiment, the hollow pipe 1 is preferably a hollow threaded pipe made of metal, and the hollow threaded pipe is screwed with a circulation port of the sealing device.

Preferably, the hollow tube 1 and the cylinder 2 are coaxially arranged, and the cylinder 2 is of a hollow cylindrical structure. Under this structure, the central symmetry about hollow tube 1 is all regarded as to every radial cross section in dehydration drying district, guarantees the even arrangement of drier 5 to guarantee the even dehydration to gas, and improved air cleaner's outward appearance aesthetic property.

Further preferably, the number of the fan heaters 4 is multiple, and the multiple fan heaters 4 are uniformly distributed in the drying heating area by taking the axis of the drum 2 as a central line, so that the fan heaters 4 can sufficiently and uniformly heat and dry the drying agent 5 in the dehydration drying area, and the drying efficiency is improved.

As shown in fig. 1, a first separation net 7 is arranged between the filtering component 3 and the dehydration drying zone, and a second separation net 8 is arranged between the dehydration drying zone and the drying heating zone. The first separation net 7 and the second separation net 8 can realize physical separation and partition of the drying heating area, the dehydration drying area and the filtering component 3, and do not influence the circulation of gas. Preferably, in this embodiment, the first isolation net 7 and the second isolation net 8 are both made of stainless steel wire mesh, wherein a plurality of vent holes are arranged on the stainless steel wire mesh, and the density of the vent holes is designed based on the standard of both physical isolation and smooth ventilation. The stainless steel wire mesh has the advantages of rust resistance and heat resistance.

Further, the air cleaner further comprises a one-way water-stop film. The one-way water-stop film is a mature technology in the prior art and is a special film which enables liquid to flow from one direction to the other direction only and cannot flow backwards in the opposite direction. The unidirectional water-stop film in this embodiment has two setting modes: the first method comprises the following steps: the first separation net 7 and the second separation net 8 are both provided with one-way water-stop films, gas firstly passes through the one-way water-stop films on the second separation net 8, the one-way water-stop films can prevent moisture in the gas from entering a dehydration drying area, the service life of the drying agent 5 is prolonged, and after the gas flows through the dehydration drying area, if a small amount of moisture exists in the gas, the one-way water-stop films on the first separation net 7 can play a role of secondary water stop; and the second method comprises the following steps: only the second separation net 8 is provided with the one-way water-stop film, and only one layer of the one-way water-stop film is arranged, so that moisture in the gas can be prevented from entering the dehydration drying area to a certain extent, and meanwhile, the cost for arranging the one-way water-stop film is reduced.

Specifically, the filter assembly 3 includes a filter screen 31 and a housing 32. Wherein, the shell 32 is detachably connected to the cylinder 2, and the filter screen 31 is filled in the inner cavity of the shell 32. The filter screen 31 in the filter component 3 can be independently replaced in a detachable connection mode, and replacement cost is reduced. Preferably, in this embodiment, the housing 32 is screwed to the barrel 2. Specifically, at the joint of the housing 32 and the barrel 2, an inner thread is provided on the inner wall of the housing 32, and an outer thread is correspondingly provided on the outer wall of the barrel 2. Preferably, the thread gauge of the housing 32 mating with the barrel 2 is G1 threads. Preferably, in the present embodiment, the filter screen 31 is made of a filter material with a filtering precision of 3 μm and has flame retardant and high temperature resistant properties.

Preferably, the material of the filter screen 31 is a glass fiber material. The glass fiber material has the advantages of strong heat resistance, good corrosion resistance, high mechanical strength, high filtration efficiency, low resistance and large dust holding capacity.

Optionally, the top end of the filter assembly 3 is provided with a vent assembly 6, the vent assembly 6 being configured to: when the fan heater 4 works, the exhaust assembly 6 is opened to communicate the inside of the filter assembly 3 with the outside atmosphere; when the fan heater 4 is not operating, the exhaust assembly 6 is closed to prevent the interior of the filter assembly 3 from communicating with the outside atmosphere. Specifically, when the fan heater 4 works, the exhaust assembly 6 is communicated with the inner cavity and the outside atmosphere, so that evaporated steam can be smoothly exhausted from the exhaust assembly 6 at the top of the shell 32; when the fan heater 4 is out of work, the exhaust assembly 6 isolates the inner cavity and the outside atmosphere, and after the gas entering from the bottom of the barrel 2 is dried and filtered, the gas enters the sealing equipment from the hollow pipe 1, and does not overflow from the exhaust assembly 6.

Specifically, the exhaust assembly 6 includes an exhaust port 62 provided on the top end of the filter assembly 3 and an exhaust cap 61 capable of closing or opening the exhaust port 62, the exhaust cap 61 being rotatably coupled to the exhaust port 62. In another embodiment, the vent cap 61 may be an air plug, which is inserted into the vent opening 62 in an interference fit manner. Wherein, at the junction of exhaust port 62 and exhaust cap 61, exhaust cap 61 is provided with the external screw thread, and exhaust port 62 department is provided with the internal screw thread correspondingly. An O-ring is provided at the junction of the exhaust port 62 and the exhaust cap 61 to enhance the sealing performance of the exhaust cap 61. Preferably, in this embodiment, the exhaust cap 61 is a nut made of a high-temperature-resistant non-metal material, the O-ring is made of a nitrile rubber material, and the thread specification of the exhaust cap 61 and the exhaust port 62 is G1 thread. If the pressure difference between the sealing equipment and the outside atmosphere is overlarge, the pressure difference between the inside of the sealing equipment and the outside atmosphere can be balanced by opening the exhaust cap 61, and the use safety of the air filter and the sealing equipment is ensured. When the internal or external environment of the sealing device is wet, the worker can open the exhaust cap 61, connect the fan heater 4 with the power supply, heat and dehydrate the desiccant 5, and quickly exhaust the generated water vapor through the exhaust port 62.

Optionally, the cylinder 2 is a transparent cylinder, and the drying agent 5 is a water absorption color-changing drying agent. A worker can visually observe whether the drying agent 5 is saturated or not through the barrel 2 and whether the fan heater 4 needs to be turned on to heat and dehydrate the drying agent 5 or not. Preferably, in this embodiment, the absorbent discoloration drying agent is silica or cobalt chloride. Specifically, the whole drying and heating process of the fan heater 4 is controlled within a half hour, and in order to ensure the safety of the sealing device and the air cleaner, a worker must observe the color change of the drying agent 5 all the time, stop heating as soon as the color changes to the color in the water absorption state, and tighten the exhaust cap 61.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The air filter is characterized by comprising a hollow pipe (1), a barrel (2), a filter assembly (3) and a fan heater (4), wherein the filter assembly (3) is connected to the top of the barrel (2), one end of the hollow pipe (1) extends into the filter assembly (3) from the bottom of the barrel (2) and upwards extends into the filter assembly (3), and the other end of the hollow pipe is connected with a circulating air port of sealing equipment; the bottom of barrel (2) is equipped with the air inlet, the inner chamber of barrel (2) is from upwards having set gradually the stoving zone of heating and dehydration drying district down, dehydration drying district intussuseption is filled with drier (5), be provided with in the stoving zone of heating fan heater (4), fan heater (4) are used for right drier (5) heating dehydration.

2. An air cleaner according to claim 1, wherein the hollow tube (1) and the cartridge (2) are coaxially arranged.

3. The air cleaner according to claim 2, wherein the number of the fan heaters (4) is plural, and the plural fan heaters (4) are uniformly distributed in the drying heating zone with the axis of the drum (2) as a center line.

4. An air cleaner according to claim 1, wherein a first separation wire (7) is arranged between the filter assembly (3) and the dehydration drying zone, and a second separation wire (8) is arranged between the dehydration drying zone and the drying heating zone.

5. The air cleaner according to claim 4, further comprising a one-way water-barrier film, wherein the one-way water-barrier film is disposed on both the first separation net (7) and the second separation net (8), or the one-way water-barrier film is disposed on the second separation net (8).

6. The air cleaner according to claim 1, wherein the filter assembly (3) comprises a filter screen (31) and a housing (32), the housing (32) being detachably connected to the cartridge (2), the filter screen (31) being filled in an inner cavity of the housing (32).

7. The air cleaner according to any one of claims 1 to 6, wherein the filter element (3) is provided at a top end thereof with an exhaust element (6), the exhaust element (6) being configured to: when the fan heater (4) works, the exhaust assembly (6) is opened to communicate the interior of the filter assembly (3) with the outside atmosphere; when the fan heater (4) does not work, the exhaust assembly (6) is closed, so that the interior of the filter assembly (3) is not communicated with the outside atmosphere.

8. The air cleaner according to claim 7, wherein the exhaust assembly (6) includes an exhaust port (62) provided on a top end of the filter assembly (3) and an exhaust cap (61) capable of closing or opening the exhaust port (62), the exhaust cap (61) being rotatably connected to the exhaust port (62).

9. The air cleaner according to claim 1, wherein the cartridge (2) is a transparent cartridge and the desiccant (5) is a water-absorbent color-changing desiccant.

10. The air cleaner according to claim 6, wherein the filter screen (31) is made of glass fiber.