Compressed air filtering device

Abstract

The utility model belongs to the technical field of compressed air filtering, and particularly relates to a compressed air filtering device which comprises a lower storage tank body and an upper storage tank body, the upper storage tank body is connected to the upper end of the lower storage tank body, and supporting legs are fixedly connected to the outer side of the lower end of the lower storage tank body at equal intervals. According to the compressed air filtering device, when compressed air is filtered, the compressed air is introduced into the lower storage tank body and the upper storage tank body from the air inlet, then flows rightwards from the lower end of the Z-shaped plate, and is filtered by the filtering adsorption device at the lower end of the Z-shaped plate, so that moisture, oil and impurities in the compressed air are left at the outer end of the filtering adsorption device; compressed air filtered by the filtering and adsorbing device enters a heater through a through hole in the upper end to be heated and dried, finally, the compressed air is discharged from an air outlet in the right end and monitored through smoke online monitoring equipment installed at the right end of the air outlet while being discharged, impurities in the air are removed through filtering, and the accuracy and reliability of monitoring data are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to compressed air filter technical field, concretely is a kind of compressed air filter device. BACKGROUND

[0002] Flue gas emission refers to harmful gas, smoke dust etc. produced in industrial, traffic etc. activities, including sulfur dioxide, volatile organic compounds, particulate matter and soot etc. in flue gas, need to be filtered to make flue gas reach emission standard, and after filtration, it needs to be detected by monitoring equipment before being discharged.

[0003] Currently, the calibration gas used by fixed pollution source flue gas online monitoring facility is originally designed as air or compressed air. In the calibration process of flue gas online monitoring equipment, impurities, oil or other gases in air or compressed air may wear or jam the precision components in the equipment, affecting the normal operation and service life of the equipment. Water in compressed air may interfere with the analysis and measurement of flue gas components, making the measurement data distorted. There may be oil stains such as lubricating oil in compressed air. If the oil stains enter the flue gas online monitoring equipment, they will contaminate the internal components of the equipment, affecting the appearance and cleanliness of the equipment, ultimately causing environmental protection data to exceed the standard, not meeting the environmental protection emission requirements.

[0004] Therefore, we urgently need to provide a compressed air filter device that can filter and treat water, oil and impurities in compressed air. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a compressed air filter device to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a compressed air filter device, comprising a lower tank body and an upper tank body, the upper tank body is connected to the upper end of the lower tank body, the lower end of the lower tank body is fixedly connected with support legs at equal distances outside, and the inner and outer ends of the lower tank body and the upper tank body are connected with a filter mechanism.

[0007] The filtering mechanism comprises an air inlet fixedly connected to the left end of the upper storage tank body, an air outlet fixedly connected to the right end of the upper storage tank body, a timing electric condensate valve fixedly connected to the middle position of the lower end of the lower storage tank body, a storage tank flange fixedly connected to the outer side of the upper end of the lower storage tank body and the outer side of the lower end of the upper storage tank body, a Z-shaped plate fixedly connected to the inner side of the upper storage tank body, a filtering and adsorbing device equidistantly connected to the lower side of the right end portion of the Z-shaped plate, a heater installed on the upper side of the right end portion of the Z-shaped plate, a pressure gauge installed above the right end of the lower storage tank body, a safety valve installed on the upper end of the upper storage tank body, an annular plate fixedly connected to the outer side of the upper end of the filtering and adsorbing device, threaded rods equidistantly fixedly connected to the lower side of the right end portion of the Z-shaped plate around the filtering and adsorbing device, and nuts threadedly connected to the outer side of the threaded rods.

[0008] Further improvements are that the Z-shaped plate is provided with through holes at positions above the filtering and adsorbing device, the annular plate is provided with circular holes equidistantly in the inner side, the outer side of the threaded rods is slidably connected to the inner side of the circular holes, the upper side of the annular plate is abutted to the lower side of the right end portion of the Z-shaped plate, and the lower side of the annular plate is abutted to the upper side of the nut, so that the nut is threadedly connected to the outer side of the threaded rods until the upper side of the nut contacts the lower side of the annular plate, and the annular plate is fixed to the lower side of the Z-shaped plate.

[0009] Further improvements are that the upper side of the lower storage tank body is fixedly connected with a rubber ring, so that the upper side of the lower storage tank body is in contact with the lower side of the upper storage tank body through the rubber pad, and the contact position of the lower storage tank body and the upper storage tank body is kept sealed.

[0010] Further improvements are that the air inlet is supplied with compressed air containing flue gas, the air outlet is discharged with filtered compressed air, the filtering and adsorbing device is a high polymer filtering element, and the right end of the air outlet is connected with a flue gas online monitoring device, so that the high-pressure air enters the lower storage tank body and the upper storage tank body from the air inlet, flows rightward from the lower end of the Z-shaped plate, is filtered by the filtering and adsorbing device at the lower end of the Z-shaped plate, and makes the moisture, oil and impurities in the compressed air stay at the outer end of the filtering and adsorbing device.

[0011] Further improvements are that the inner side of the lower storage tank body is connected with an anti-fouling mechanism, and the anti-fouling mechanism comprises a pad cylinder slidably connected to the inner side of the lower storage tank body and bolts connected to the left and right ends above the pad cylinder.

[0012] Further improvements are that the left and right ends above the inner side of the lower storage tank body are provided with threaded grooves, the left and right ends above the pad cylinder are provided with mounting holes, the outer side of the bolt is slidably connected to the inner side of the mounting hole, and the outer side of the bolt is threadedly connected to the inner side of the threaded hole, so that the pad cylinder is fixed to the lower storage tank body by passing the bolt through the mounting hole in the inner side of the pad cylinder and then threadedly connecting the bolt to the threaded groove.

[0013] Further improvement lies in that the lower end of the pad cylinder is provided with a pollution discharge hole, and the right end of the pad cylinder is provided with an air hole at the position where the pressure gauge is installed at the right end of the lower storage tank body, so that the pad cylinder does not affect the normal discharge of the filtered impurities and the detection of the air pressure in the lower storage tank body by the pressure gauge after being installed in the lower storage tank body.

[0014] Further improvement lies in that the upper end of the outer side of the pad cylinder is fixed with a rubber ring at the position where the pollution discharge hole and the air hole are arranged, so that the inner wall of the lower storage tank body and the outer side of the pad cylinder are sealed after the pad cylinder is installed in the lower storage tank body.

[0015] In summary, the application discloses a compressed air filtering device.

[0016] The compressed air enters the lower storage tank body and the upper storage tank body from the air inlet, flows to the right from the lower end of the Z-shaped plate, is filtered by the filtering and adsorbing device at the lower end of the Z-shaped plate, and then flows downward under the action of gravity after the filtering work is completed, and finally is discharged from the timed electric condensate discharge valve at the bottom end of the lower storage tank body, while the air filtered by the filtering and adsorbing device enters the heater at the upper end through the through hole and is heated and dried, and finally is discharged from the air outlet at the right end, so that the air discharged from the air outlet does not contain water and other impurities in the interior when passing through the flue gas online monitoring equipment at the right end of the air outlet, and thus the water and other impurities are prevented from entering the flue gas online monitoring equipment to cause inaccurate monitoring results.

[0017] Further, the water, oil and other impurities filtered and left at the outer end of the filtering and adsorbing device flow downward to the surface of the pad cylinder and finally enter the timed electric condensate discharge valve at the lower end of the pad cylinder and are discharged, so that the device is cleaned by only disassembling and cleaning the pad cylinder, and convenience is provided for cleaning of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the upper storage tank body and the lower storage tank body of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure at the lower end of the Z-shaped plate of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure at the pad cylinder of the utility model.

[0022] In the figure: 1, lower storage tank body; 2, upper storage tank body; 3, support leg; 401, air inlet; 402, air outlet; 403, timing electric condensate valve; 404, storage tank flange; 405, filter adsorption device; 406, heater; 407, pressure gauge; 408, safety valve; 409, Z-shaped plate; 410, annular plate; 411, threaded rod; 412, nut; 501, cushion cylinder; 502, bolt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a compressed air filter device, including lower storage tank body 1 and upper storage tank body 2, upper storage tank body 2 is connected to the upper end of lower storage tank body 1, the lower end outside lower storage tank body 1 is fixedly connected with support leg 3 at equal distance, and the inside and outside both ends of lower storage tank body 1 and upper storage tank body 2 are connected with filter mechanism.

[0025] Filter mechanism includes air inlet 401 fixedly connected to the left end of upper storage tank body 2, and the right end of upper storage tank body 2 is fixedly connected with air outlet 402, and the lower end of lower storage tank body 1 is fixedly connected with timing electric condensate valve 403 in middle position, and the outside upper end of lower storage tank body 1 and the outside lower end of upper storage tank body 2 are fixedly connected with storage tank flange 404, and the upper side of lower storage tank body 1 is fixedly connected with rubber ring, so that the upper side of lower storage tank body 1 is contacted with the lower side of upper storage tank body 2 when lower storage tank body 1 and upper storage tank body 2 are connected by the connection of storage tank flange 404 outside lower storage tank body 1 and upper storage tank body 2, so that the contact place of lower storage tank body 1 and upper storage tank body 2 is kept sealed, to avoid that compressed flue gas in lower storage tank body 1 and upper storage tank body 2 seeps out from lower storage tank body 1 and upper storage tank body 2.

[0026] The inside of upper storage tank body 2 is fixedly connected with Z-shaped plate 409, the right end portion of Z-shaped plate 409 is connected with filter adsorption device 405 at equal distance on the lower side, heater 406 is installed on the upper side of the right end portion of Z-shaped plate 409, pressure gauge 407 is installed above the right end of lower storage tank body 1, safety valve 408 is installed on the upper end of upper storage tank body 2, annular plate 410 is fixedly connected on the outside of the upper end of filter adsorption device 405, threaded rod 411 is fixedly connected at equal distance on the lower side of the right end portion of Z-shaped plate 409 around filter adsorption device 405, and nut 412 is screw-connected on the outside of threaded rod 411.

[0027] The right end portion of the Z-shaped plate 409 is provided with a through hole at a position above the filter adsorption device 405, the inside of the annular plate 410 is provided with a circular hole at equal intervals, the outside of the threaded rod 411 is slidably connected with the inside of the circular hole, the upper side of the annular plate 410 is abutted with the lower side of the right end portion of the Z-shaped plate 409, the upper side of the nut 412 is abutted with the lower side of the annular plate 410, so as to place the filter adsorption device 405 at the lower side of the through hole of the Z-shaped plate 409, and then the threaded rod 411 is inserted into the circular hole of the annular plate 410, and then the nut 412 is screwed to the outside of the threaded rod 411, until the upper side of the nut 412 contacts the lower side of the annular plate 410, so as to fix the annular plate 410 to the lower side of the Z-shaped plate 409, and at the same time, the filter adsorption device 405 is fixed to the through hole of the lower side of the Z-shaped plate 409.

[0028] The compressed air containing flue gas is introduced into the air inlet 401, and the filtered compressed air is discharged from the air outlet 402, the filter adsorption device 405 is a high polymer filter element, and the right end of the air outlet 402 is connected with the flue gas online monitoring equipment, so that the high-pressure air flows from the lower end of the Z-shaped plate 409 to the right after entering the lower tank body 1 and the upper tank body 2 from the air inlet 401, and then is filtered through the filter adsorption device 405 at the lower end of the Z-shaped plate 409, so that the moisture, oil and impurities in the compressed air are left at the outer end of the filter adsorption device 405, and then flow downward due to gravity and are discharged from the timed electric condensate drain valve 403 at the bottom end of the lower tank body 1 after the filtering work is completed.

[0029] The inside of the lower tank body 1 is connected with a dirt prevention mechanism, the dirt prevention mechanism comprises a pad cylinder 501 slidably connected to the inside of the lower tank body 1, bolts 502 connected to the left and right ends above the pad cylinder 501, threaded grooves provided at the left and right ends above the inside of the lower tank body 1, mounting holes provided at the left and right ends above the pad cylinder 501, the outside of the bolt 502 slidably connected with the inside of the mounting hole, and the outside of the bolt 502 threadedly connected with the inside of the threaded hole, so that after the pad cylinder 501 is slid to the inside of the lower tank body 1, the bolt 502 is inserted into the mounting hole in the inside of the pad cylinder 501 and then is threadedly connected into the threaded groove, the pad cylinder 501 is fixed in the lower tank body 1, and the installation of the pad cylinder 501 is completed.

[0030] A dirt discharge hole is provided at the middle position of the lower end of the pad cylinder 501, and an air hole is provided at the right end of the pad cylinder 501 at the position where the pressure gauge 407 is installed at the right end of the lower tank body 1, so that after the pad cylinder 501 is installed in the lower tank body 1, the normal discharge of the filtered impurities and the detection of the air pressure in the lower tank body 1 by the pressure gauge 407 are not affected.

[0031] The upper end of the outer side of the cushion cylinder 501 is fixed with a rubber ring at the position where the dirt hole and the air hole are arranged, so that the seal between the inner wall of the lower storage tank body 1 and the outer side of the cushion cylinder 501 can be maintained after the cushion cylinder 501 is installed into the lower storage tank body 1, and the compressed air entering the lower storage tank body 1 will not enter between the lower storage tank body 1 and the cushion cylinder 501 to cause dirt on the inner side of the lower storage tank body 1.

[0032] Working principle: when filtering compressed air, the compressed air is introduced into the lower storage tank body 1 and the upper storage tank body 2 from the air inlet 401, and then flows to the right from the lower end of the Z-shaped plate 409, and then is filtered by the filter adsorption device 405 at the lower end of the Z-shaped plate 409, so that the water, oil and impurities in the compressed air are left at the outer end of the filter adsorption device 405, the compressed air filtered by the filter adsorption device 405 enters the heater 406 through the through hole at the upper end to be heated and dried, and finally is discharged from the right end of the air outlet 402, and at the same time is monitored by the flue gas online monitoring equipment installed at the right end of the air outlet 402, the impurities in the gas are removed by filtering, and the accuracy and reliability of the monitoring data are ensured.

[0033] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A compressed air filtering device comprising a lower tank body (1) and an upper tank body (2) connected to the upper end of the lower tank body (1), characterized in that: The lower end of the lower storage tank body (1) is fixedly connected with support legs (3) at equal distances, and the inner and outer ends of the lower storage tank body (1) and the upper storage tank body (2) are connected with a filtering mechanism. The filtering mechanism comprises an air inlet (401) fixedly connected to the left end of the upper storage tank body (2), an air outlet (402) fixedly connected to the right end of the upper storage tank body (2), a timing electric condensate valve (403) fixedly connected to the middle position of the lower end of the lower storage tank body (1), a storage tank flange (404) fixedly connected to the outer upper end of the lower storage tank body (1) and the outer lower end of the upper storage tank body (2), a Z-shaped plate (409) fixedly connected to the inner side of the upper storage tank body (2), a filtering and adsorbing device (405) connected at equal distances to the lower side of the right end portion of the Z-shaped plate (409), a heater (406) mounted on the upper side of the right end portion of the Z-shaped plate (409), a pressure gauge (407) mounted above the right end of the lower storage tank body (1), a safety valve (408) mounted on the upper end of the upper storage tank body (2), and an annular plate (410) fixedly connected to the outer side of the upper end of the filtering and adsorbing device (405).

2. A compressed air filter apparatus according to claim 1, characterised in that: A through hole is formed in the position of the right end portion of the Z-shaped plate (409) above the filtering and adsorbing device (405), a circular hole is formed at equal distances in the inner side of the annular plate (410), the outer side of the threaded rod (411) is in sliding connection with the inner side of the circular hole, the upper side of the annular plate (410) is in abutment with the lower side of the right end portion of the Z-shaped plate (409), and the upper side of the nut (412) is in abutment with the lower side of the annular plate (410).

3. A compressed air filter apparatus according to claim 1, wherein: The upper side of the lower storage tank body (1) is fixedly connected with a rubber ring.

4. A compressed air filter apparatus according to claim 1, wherein: The air inlet (401) is connected with compressed air containing flue gas, the air outlet (402) is connected with filtered compressed air, the filtering and adsorbing device (405) is a high polymer filter element, and the right end of the air outlet (402) is connected with a flue gas online monitoring device.

5. A compressed air filter apparatus according to claim 1, wherein: The inner side of the lower storage tank body (1) is connected with an anti-fouling mechanism, and the anti-fouling mechanism comprises a pad cylinder (501) in sliding connection with the inner side of the lower storage tank body (1).

6. A compressed air filter apparatus according to claim 5, wherein: Threaded grooves are formed in the left and right ends of the inner side of the lower storage tank body (1), mounting holes are formed in the left and right ends of the upper side of the pad cylinder (501), the outer side of the bolt (502) is in sliding connection with the inner side of the mounting hole, and the outer side of the bolt (502) is in threaded connection with the inner side of the threaded hole.

7. A compressed air filter apparatus according to claim 5, wherein: A blowdown hole is formed in the middle position of the lower end of the pad cylinder (501), and an air hole is formed in the right end of the pad cylinder (501) at the position of the pressure gauge (407) mounted on the right end of the lower storage tank body (1).

8. A compressed air filter apparatus according to claim 7, characterised in that: Rubber rings are fixedly connected to the positions of the blowdown hole and the air hole formed in the outer side of the upper end of the pad cylinder (501).

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