Filtering device for heat supply and ventilation
By designing a combination of flip plate and water collection tank in the heating and ventilation filter device, the problem of lack of condensate collection and discharge mechanism in the filter net is solved, and the effective collection and discharge of condensate is achieved, avoiding equipment damage and stability problems.
Patent Information
- Application Number
- CN202520225444.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2035-02-13
AI Technical Summary
In the existing heating and ventilation filter devices, the filter screen usually lacks a condensate collection and discharge mechanism, which causes the condensate accumulated in the pipeline to produce severe pressure waves, which may cause the pipeline to vibrate, the brackets loose, and even the pipeline rupture and the valve damage.
A filter device for heating and ventilation is designed, including a box, water inlet pipe, water outlet pipe, filter mesh and water collection tank. Through the design of the flap, condensate can drip from the filter screen to the flap and fall into the collector along the flap for easy collection and discharge.
It effectively solves the pressure wave problem caused by condensate accumulation, avoids pipeline vibration, bracket looseness and equipment damage, and ensures the stability and sealing of the device.
Smart Images
Figure CN222585910U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of filter devices, and specifically discloses a filter device for heating and ventilation. Background Art
[0002] Steam generator, commonly known as boiler, also called steam heat source machine, is a mechanical device that uses the thermal energy of fuel or other energy to heat water into hot water or steam. When steam is transported, a filter is needed to filter impurities in the steam.
[0003] Existing heating and ventilation filter devices generally include components such as a box, a fan and a filter. After the steam passes through the filter, water droplets will condense on the filter. In existing heating and ventilation filter devices, the filter usually lacks a collection and discharge mechanism for condensed water. The steam pushes the condensed water accumulated in the pipeline, generating a violent pressure wave, which may cause pipeline vibration, loose brackets, and even pipeline rupture and valve damage. Utility Model Content
[0004] In view of the above deficiencies in the prior art, the utility model provides a filtering device for heating and ventilation to solve the problem that in the existing filtering devices for heating and ventilation, the filter screen usually lacks a condensate collection and discharge mechanism, and the steam pushes the condensate accumulated in the pipeline to generate violent pressure waves, which may cause pipeline vibration, bracket loosening, and even pipeline rupture and valve damage.
[0005] The technical solution adopted by the utility model to solve its technical problems is:
[0006] The filtering device for heating and ventilation comprises a water inlet pipe and a water outlet pipe, wherein a box is fixedly connected between the water inlet pipe and the water outlet pipe, a filter screen is detachably arranged in the box body, the filter screen is arranged on a side close to the water outlet pipe, the bottom end of the box body is connected to a water collecting tank, a flap is rotatably arranged at the bottom of the inner cavity of the box body, the flap can separate the inner cavity of the box body and the inner cavity of the water collecting tank, the filter screen is located above the flap, a water outlet is opened at the bottom end of the water collecting tank, and a valve is arranged on the water outlet.
[0007] Furthermore, rotating shafts are fixedly arranged on the side walls on both sides of the flap, and the two rotating shafts are respectively rotatably arranged on the side walls on both sides of the box body. A makeshift groove 1 is opened at the bottom of the flap near the water inlet pipe end, and a makeshift groove 2 is opened at the top of the flap near the water outlet pipe end. Arc plates and bosses are respectively arranged on the inner walls on both sides of the box body to cooperate with the makeshift groove 1 and the makeshift groove 2.
[0008] Furthermore, it is characterized in that the inner walls on both sides of the box body are provided with sliding grooves to cooperate with the filter screen.
[0009] Furthermore, it is characterized in that the box body is in the shape of a rectangular parallelepiped as a whole, and openings are provided on the top end, the bottom end, the side wall close to the water inlet pipe and the side wall close to the water outlet pipe of the box body, the slide grooves are provided on the inner walls on both sides of the box body without openings, a cover plate is fixedly provided on the top end of the box body, and the openings of the side walls on both sides of the box body are fixedly connected with connecting pipes, and the two connecting pipes are respectively connected to the water inlet pipe and the water outlet pipe at one end away from the box body.
[0010] Furthermore, the connecting pipe is a round-the-sky and square-the-square pipe.
[0011] Furthermore, the slide groove is extended downward from the top opening of the box body, and the bottom end of the slide groove is located below the flap.
[0012] Furthermore, a filter cleaning assembly is provided on the box body in conjunction with the filter screen, and the filter cleaning assembly includes a sliding rod, which is located in the middle of the inner cavity of the box body, and the sliding rod passes through the cover plate, and the sliding rod and the cover plate are slidably connected, a scraper is fixedly provided at the bottom end of the sliding rod, and the scraper and the filter screen are in conflict, a flat plate is fixedly provided at the top end of the sliding rod, and a nut is provided on the upper thread of the sliding rod, and the nut is located between the upper end surface of the box body and the lower end surface of the flat plate.
[0013] Furthermore, two guide rods are fixedly provided on the upper end surface of the scraper, the two guide rods are symmetrically arranged with the sliding rod as the center, the guide rods penetrate the cover plate, and the guide rods and the cover plate are slidably connected.
[0014] Furthermore, a limit assembly is provided on the flap, the limit assembly includes a handle rod, the handle rod is radially fixed on the outer surface of one of the rotating shafts, and the handle rod is located outside the box body, and the outer surface of the handle rod is radially threaded with bolts.
[0015] Furthermore, two limiting holes are provided on the side wall of the box body to match the bolts, and the bolts can be set in the limiting holes through threads.
[0016] The beneficial effects of the utility model are:
[0017] When the utility model is in use, the valve on the water outlet is closed, the flap is flipped at a certain angle, and the condensed water on the filter screen drips onto the flap and falls into the water collecting tank along the flap, so that the condensed water is collected conveniently; when the condensed water in the water collecting tank is discharged, the flap is flipped to separate the inner cavity of the box body and the inner cavity of the water collecting tank, and then the valve on the water outlet is opened to discharge the condensed water from the water outlet, and the condensed water on the filter screen continues to drip onto the flap, so that the steam is prevented from entering the water collecting tank and then being discharged through the water outlet, thereby ensuring the sealing of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 It is a partial structural sectional view of the utility model;
[0020] Figure 3 It is a schematic diagram of the longitudinal section structure of the utility model;
[0021] Figure 4 for Figure 3 A schematic diagram of the structure enlargement at the center A;
[0022] Figure 5 It is a structural schematic diagram of the flap, the rotating shaft, the first clearance groove, the second clearance groove, the handle bar and the bolt of the utility model;
[0023] Figure 6 It is a structural schematic diagram of the box body, arc plate, boss, slide groove and limit hole of the utility model.
[0024] In the figure: 1, water inlet pipe; 2, box body; 3, filter screen; 4, water collecting box; 5, flap; 6, connecting pipe; 7, handle bar; 8, bolt; 9, slide bar; 10, scraper; 11, plate; 12, nut; 13, guide rod; 14, water outlet pipe;
[0025] 201, curved plate; 202, boss; 203, slide groove; 204, cover plate; 205, limit hole; 401, water outlet; 501, rotating shaft; 502, first clearance groove; 503, second clearance groove. DETAILED DESCRIPTION
[0026] The utility model is described and illustrated in detail below in conjunction with the accompanying drawings.
[0027] Example 1
[0028] like Figure 1-6 As shown, the filtering device for heating and ventilation comprises a water inlet pipe 1 and a water outlet pipe 14, a box body 2 is fixedly connected between the water inlet pipe 1 and the water outlet pipe 14, a filter screen 3 is detachably provided in the box body 2, the filter screen 3 is arranged on the side close to the water outlet pipe 14, the bottom end of the box body 2 is connected to a water collecting box 4, a flap 5 is rotatably provided at the bottom of the inner cavity of the box body 2, the flap 5 can separate the inner cavity of the box body 2 and the inner cavity of the water collecting box 4, the filter screen 3 is located above the flap 5, a water outlet 401 is opened at the bottom end of the water collecting box 4, and a valve is arranged on the water outlet 401.
[0029] When in use, close the valve on the water outlet 401, flip the flap 5 to a certain angle, and the condensed water on the filter screen 3 will drip onto the flap 5 and fall into the water collecting tank 4 along the flap 5, so as to facilitate the collection of the condensed water; when discharging the condensed water in the water collecting tank 4, flip the flap 5 to separate the inner cavity of the box body 2 and the inner cavity of the water collecting tank 4, and then open the valve on the water outlet 401 to discharge the condensed water from the water outlet 401, and the condensed water on the filter screen 3 will continue to drip onto the flap 5, so as to avoid the steam from entering the water collecting tank 4 and then being discharged through the water outlet 401, thereby ensuring the sealing of the device; by arranging the filter screen 3 above the flap 5, it can be ensured that the lower end of the filter screen 3 contacts the top surface of the flap 5, so as to ensure that the steam passes through the filter screen 3.
[0030] The side walls on both sides of the flap 5 are fixedly provided with rotating shafts 501, and the two rotating shafts 501 are respectively rotatably provided on the side walls on both sides of the box body 2. A clearance groove 1 502 is provided at the bottom of the flap 5 near the end of the water inlet pipe 1, and a clearance groove 2 503 is provided at the top of the flap 5 near the end of the water outlet pipe 14. The inner walls on both sides of the box body 2 are respectively provided with arc plates 201 and bosses 202 to match the clearance groove 1 502 and the clearance groove 2 503. The provision of the arc plate 201 can limit the steam from entering the water collecting box 4 from the contact point between the flap 5 and the arc plate 201, and can also limit the flap 5; the provision of the bosses 202 can further limit the flap 5.
[0031] The inner walls on both sides of the box body 2 are provided with sliding grooves 203 to cooperate with the filter screen 3.
[0032] The box body 2 is in the shape of a rectangular parallelepiped as a whole, and openings are provided on the top end, the bottom end, the side wall close to the water inlet pipe 1, and the side wall close to the water outlet pipe 14 of the box body 2. The slide groove 203 is provided on the inner walls on both sides of the box body 2 without openings. A cover plate 204 is fixedly provided on the top end of the box body 2. The openings of the side walls on both sides of the box body 2 are fixedly connected with connecting pipes 6. The two connecting pipes 6 are respectively connected to the water inlet pipe 1 and the water outlet pipe 14 at one end away from the box body 2.
[0033] The connecting pipe 6 is a round-the-sky square pipe.
[0034] The slide groove 203 is extended downward from the top opening of the box body 2 , and the bottom end of the slide groove 203 is located below the flap 5 .
[0035] The housing 2 is provided with a filter cleaning assembly in cooperation with the filter 3. The filter cleaning assembly includes a slide bar 9, which is located in the middle of the inner cavity of the housing 2. The slide bar 9 penetrates the cover plate 204, and the slide bar 9 and the cover plate 204 are slidably connected. A scraper 10 is fixedly provided at the bottom end of the slide bar 9, and the scraper 10 and the filter 3 are in conflict. A flat plate 11 is fixedly provided at the top end of the slide bar 9, and a nut 12 is provided on the upper thread of the slide bar 9, and the nut 12 is located between the upper end face of the housing 2 and the lower end face of the flat plate 11. When cleaning impurities on the filter 3, the scraper 10 is repeatedly moved up and down along the filter 3 by holding the flat plate 11 through the slide bar 9, so that the impurities on the filter 3 can be scraped off.
[0036] Two guide rods 13 are fixedly arranged on the upper end surface of the scraper 10, and the two guide rods 13 are symmetrically arranged with the slide bar 9 as the center. The guide rods 13 penetrate the cover plate 204, and the guide rods 13 and the cover plate 204 are slidably connected. By setting the guide rods 13, the scraper 10 can be ensured to move up and down stably.
[0037] A limit assembly is provided on the flap 5, and the limit assembly includes a handle bar 7, which is fixedly arranged radially on the outer surface of one of the rotating shafts 501, and the handle bar 7 is located outside the box body 2, and a bolt 8 is radially threadedly arranged on the outer surface of the handle bar 7.
[0038] Two limiting holes 205 are provided on the side wall of the box body 2 to match the bolts 8 , and the bolts 8 can be set in the limiting holes 205 through threads.
[0039] Working principle and process:
[0040] When in use, close the valve on the water outlet 401, manually pull the handle bar 7 to drive the flap 5 to rotate, and the side of the flap 5 close to the water inlet pipe 1 abuts against the top of the arc plate 201. At this time, insert the bolt 8 into the limit hole 205 to fix the flap 5, and the steam enters the box body 2 through the water inlet pipe 1 through the connecting pipe 6. At this time, the bottom surface of the filter screen 3 abuts against the top surface of the flap 5, and the condensed water on the filter screen 3 drops onto the flap 5 and falls along the flap 5, and falls into the water collecting box 4 through the second groove 503, which is convenient for collecting condensed water;
[0041] After using it for a period of time, when it is necessary to discharge the condensed water in the water collecting tank 4, manually pull the handle rod 7 to flip the flap 5 so that the clearance groove 1 502 abuts against the bottom end of the arc plate 201, and the clearance groove 2 503 abuts against the boss 202. At this time, insert the bolt 8 into another limiting hole 205 to fix the flap 5. The flap 5 separates the inner cavity of the box body 2 and the inner cavity of the water collecting tank 4, open the valve on the water outlet 401, and discharge the condensed water in the water collecting tank 4.
[0042] When cleaning the impurities on the filter screen 3 , the scraper 10 is driven to move up and down repeatedly along the filter screen 3 by holding the flat plate 11 , so as to scrape off the impurities on the filter screen 3 .
Claims
1. A filtering device for heating and ventilation, comprising a water inlet pipe (1) and a water outlet pipe (14), wherein a box (2) is fixedly connected between the water inlet pipe (1) and the water outlet pipe (14), and a filter screen (3) is detachably arranged in the box (2), characterized in that: The filter screen (3) is arranged on a side close to the water outlet pipe (14); the bottom end of the box body (2) is connected to the water collecting tank (4); a flap (5) is rotatably arranged at the bottom of the inner cavity of the box body (2); the flap (5) can separate the inner cavity of the box body (2) from the inner cavity of the water collecting tank (4); the filter screen (3) is located above the flap (5); a water outlet (401) is provided at the bottom end of the water collecting tank (4); and a valve is arranged on the water outlet (401).
2. The heating and ventilation filter device according to claim 1, characterized in that: A rotating shaft (501) is fixedly arranged on the side walls on both sides of the flap (5), and the two rotating shafts (501) are respectively rotatably arranged on the side walls on both sides of the box body (2). A first clearance groove (502) is provided at the bottom of the flap (5) close to the water inlet pipe (1), and a second clearance groove (503) is provided at the top of the flap (5) close to the water outlet pipe (14). The inner walls on both sides of the box body (2) are respectively provided with an arc plate (201) and a boss (202) to match the first clearance groove (502) and the second clearance groove (503).
3. The heating and ventilation filter device according to claim 2, characterized in that: Slide grooves (203) are provided on the inner walls on both sides of the box body (2) to cooperate with the filter screen (3).
4. The heating and ventilation filter device according to claim 3, characterized in that: The box body (2) is in the shape of a rectangular parallelepiped as a whole, and openings are provided on the top end, the bottom end, the side wall close to the water inlet pipe (1), and the side wall close to the water outlet pipe (14) of the box body (2). The slide groove (203) is provided on the inner walls of the box body (2) on both sides without openings. A cover plate (204) is fixedly provided on the top end of the box body (2). The openings of the side walls on both sides of the box body (2) are fixedly connected to connecting pipes (6). The two connecting pipes (6) are connected to the water inlet pipe (1) and the water outlet pipe (14) at one end away from the box body (2), respectively.
5. The heating and ventilation filter device according to claim 4, characterized in that: The connecting pipe (6) is a round-sky square pipe.
6. The heating and ventilation filter device according to claim 4, characterized in that: The slide groove (203) is extended downward from the top opening of the box body (2), and the bottom end of the slide groove (203) is located below the flap (5).
7. The heating and ventilation filter device according to claim 4, characterized in that: A filter cleaning assembly is provided on the box body (2) in cooperation with the filter screen (3), the filter screen cleaning assembly comprising a slide rod (9), the slide rod (9) being located in the middle of the inner cavity of the box body (2), the slide rod (9) penetrating the cover plate (204), and the slide rod (9) and the cover plate (204) being slidably connected, a scraper plate (10) being fixedly provided at the bottom end of the slide rod (9), the scraper plate (10) and the filter screen (3) being in contact with each other, a flat plate (11) being fixedly provided at the top end of the slide rod (9), a nut (12) being provided on the upper thread of the slide rod (9), and the nut (12) being located between the upper end surface of the box body (2) and the lower end surface of the flat plate (11).
8. The heating and ventilation filter device according to claim 7, characterized in that: Two guide rods (13) are fixedly arranged on the upper end surface of the scraper (10), and the two guide rods (13) are symmetrically arranged with the sliding rod (9) as the center. The guide rods (13) penetrate the cover plate (204), and the guide rods (13) and the cover plate (204) are slidably connected.
9. The heating and ventilation filter device according to claim 2, characterized in that: A limit assembly is provided on the flap (5), the limit assembly comprising a handle bar (7), the handle bar (7) being fixedly provided radially on the outer surface of one of the rotating shafts (501), the handle bar (7) being located outside the box body (2), and a bolt (8) being provided radially on the outer surface of the handle bar (7) in a threaded manner.
10. The heating and ventilation filter device according to claim 9, characterized in that: Two limiting holes (205) are provided on the side wall of the box body (2) to match the bolts (8), and the bolts (8) can be set in the limiting holes (205) through threads.