A centralized heating system pipe network filtering and pollution discharge device

Abstract

The present application relates to the technical field of heat supply system maintenance, in particular to a kind of central heating system pipe network filtering and sewage discharge device, including filter bucket, filtering mechanism, sewage discharge mechanism and auxiliary mechanism.The present application is cooperated between the filter bucket and the sewage storage barrel, so that hot water with scale and impurities is flushed into the collection barrel, thereby completing the timely cleaning and discharge of scale and impurities, and avoiding the reattachment of scale and impurities to the inner wall of the pipeline.The driving plate in the present application moves the corresponding filter plate back and forth under the action of water flow, so that the cooperation hole and the filter hole are staggered and the filter groove is cleaned during movement, avoiding the blockage of debris in the filter groove affecting water flow.

Description

Technical Field

[0001] This invention relates to the field of heating system maintenance technology, and in particular to a centralized heating system pipeline filtration and drainage device. Background Technology

[0002] Central heating systems are mostly used in northern cities of my country. They primarily supply heat to users via boiler rooms or thermal power plants, with pipes laid under the floors in homes. Currently, the main heat medium is hot water. Northern cities require continuous heating for extended periods during autumn and winter, while heating is suspended for a period in summer. Over the course of a year, the internal pipes of the heating system accumulate significant amounts of scale and impurities from the supplied hot water. Therefore, pipe filtration and drainage are necessary. Cleaning the pipes first requires the heating system to supply water to flush away the scale from the pipe walls before cleaning. However, the following problems exist in the current process of cleaning the pipes in heating systems: 1. When the heating system supplies water and flushes away the scale and impurities, if these are not collected and treated promptly, the scale and impurities remain in the pipes and re-adhere to the inside, resulting in poor scale removal and potentially affecting the overall heating efficiency of the system.

[0003] 2. When supplying water and heat in a heating system, the pipes need to maintain a relatively stable pressure to ensure that hot water can be supplied to heat users. However, during the cleaning process, air leakage occurs in the pipes, which reduces the internal pressure. As a result, hot water is difficult to circulate throughout the pipes, affecting the subsequent overall heating. Summary of the Invention

[0004] To solve the above problems, the present invention adopts the following technical solution: a centralized heating system pipeline filtration and sewage discharge device, including a filter barrel installed between the inlet pipe and the outlet pipe of the heating system pipeline, the filter barrel having a cylindrical structure, and a filtration mechanism and a sewage discharge mechanism arranged sequentially from top to bottom inside the filter barrel, a one-way valve installed on the inlet pipe, and an auxiliary mechanism installed on the outlet pipe, the auxiliary mechanism dividing the outlet pipe into two parts;

[0005] The filtration mechanism includes a partition plate. A partition plate located below the water inlet pipe is fixedly installed inside the filter barrel. A baffle plate is fixedly installed between the partition plate and the upper end of the inner wall of the filter barrel. The baffle plate is vertically installed. A water discharge groove and a filter groove are opened on the upper end face of the partition plate. The filter groove and the water discharge groove are located on the left and right sides of the baffle plate, respectively. The filter groove is close to the water inlet pipe, and the water discharge groove is close to the water outlet pipe. The filter groove has multiple filter holes arranged in a matrix. Two reciprocating grooves symmetrically arranged on the lower end face of the partition plate are opened. A vertical plate is installed in the reciprocating groove. A filter plate is fixedly installed between the two vertical plates. A plurality of mating holes are opened on the filter plate arranged in a matrix. A spring mounting plate corresponding to each vertical plate is fixedly installed on the lower end face of the partition plate. A first spring is fixedly installed between the spring mounting plate and the corresponding vertical plate. A plurality of equally spaced and arc-shaped drive plates are fixedly installed on the lower end face of the filter plate.

[0006] In a preferred embodiment of the present invention, the sewage discharge mechanism includes a sewage discharge trough. The lower end face of the filter barrel's inner cavity is provided with a circumferentially evenly distributed fan-shaped sewage discharge trough. A sludge storage tank is fixedly mounted on the lower end face of the filter barrel, and the sludge storage tank is connected to the filter barrel. The sludge storage tank has a cylindrical structure. Multiple circumferentially evenly distributed collection troughs with the same shape as the sewage discharge trough are provided on the lower end face of the sludge storage tank. A rotating shaft is rotatably mounted on the lower end of the rotating shaft, and an external motor is fixedly mounted on the lower end of the rotating shaft. A baffle plate is fixedly installed. A circumferential groove is opened on the circumferential surface at the lower end of the filter barrel. Multiple L-shaped arc plates are slidably installed in the circumferential groove. The arc plates are fixedly connected to the baffle plate. Multiple circumferentially evenly distributed first discharge grooves are opened on the baffle plate. A placement groove from bottom to top is opened on the lower end face of the rotating shaft. A rotating shaft is rotatably installed in the placement groove. An external motor is installed at the lower end of the rotating shaft. A rotating plate is fixedly installed on the upper end face of the rotating shaft. Multiple circumferentially evenly distributed second discharge grooves are opened on the rotating plate.

[0007] As a preferred embodiment of the present invention, the lower end face of the filter bucket is provided with a plurality of circumferentially evenly distributed slots, and the lower end face of the filter bucket is provided with an L-shaped groove that corresponds to and communicates with the slots. An L-shaped slot plate is slidably arranged in the L-shaped groove, and a collection bucket with an open upper end face and a hollow interior is fixedly arranged on the lower end face of all the slot plates.

[0008] As a preferred embodiment of the present invention, a guide sleeve is fixedly installed inside the filter bucket. Both the upper and lower ends of the guide sleeve are open, and the lower opening is connected to the sewage discharge tank.

[0009] As a preferred embodiment of the present invention, a rotating shaft is rotatably provided on the upper end face of the barrier plate, penetrating the barrier plate. The lower part of the rotating shaft is fixedly provided with multiple circumferentially evenly distributed connecting groups via a connecting ring. Each connecting group includes a connecting plate fixedly connected to the connecting ring and a seven-shaped fixing member. The end of the horizontal part of the fixing member is fixedly provided with a scraper that is in close contact with the inner wall of the filter barrel, and the other end of the fixing member is fixedly provided with an arc-shaped scraper that is in close contact with the inner arc surface of the guide sleeve. A rotating ring is rotatably provided on the upper part of the rotating shaft of the barrier plate, and multiple circumferentially evenly distributed driving members are fixedly provided on the circumferential surface of the rotating ring via a connecting shaft.

[0010] As a preferred embodiment of the present invention, an installation plate is fixedly provided on the upper end face of the barrier plate, the installation plate is close to the water inlet pipe, a guide plate is fixedly provided on the right end face of the installation plate, the inner arc surface of the front part of the guide plate faces the water inlet pipe, the inner arc surface of the rear part of the guide plate faces the rotation axis, and a baffle plate is fixedly provided on the left end face of the installation plate.

[0011] As a preferred embodiment of the present invention, the inner wall of the water discharge tank is provided with a downward sliding groove, the bottom of the downward sliding groove is sealed, a downward sliding plate is slidably arranged in the downward sliding groove, a baffle is fixedly arranged on the lower end face of the downward sliding plate, a float is arranged on the lower end face of the baffle, and two front-to-back limiting strips are fixedly arranged on the inner wall of the water discharge tank.

[0012] As a preferred embodiment of the present invention, a fixed plate is provided on the outside of the water outlet pipe, a fixed plate is fixedly provided in the inner cavity of the fixed plate, a rotating tube is rotatably provided on the right end of the fixed plate, a plurality of circumferentially evenly distributed right-shifting grooves are opened on the inner wall of the rotating tube, a base plate is slidably provided in the right-shifting grooves through a right-shifting block, a threaded shaft is rotatably provided on the right end face of the fixed plate, and the threaded shaft and the base plate are threadedly engaged, a mating circular plate is fixedly sleeved on the right side of the threaded shaft, a mating ring is fixedly provided in the inner cavity of the rotating tube located on the right side of the mating circular plate, an annular sealing groove is opened on the left end face of the mating ring, a rubber strip is fixedly provided on the right end face of the mating circular plate, and the sealing groove is used to accommodate the rubber strip so that the mating ring is sealed by the mating circular plate, and a second spring is provided between the mating circular plate and the base plate.

[0013] The beneficial effects of the present invention are as follows: 1. In the present invention, hot water enters the area above the baffle plate through the filter plate and the filter tank and enters the outlet pipe. During this process, the mating holes on the filter plate and the filter tank cooperate with each other to filter the hot water, while the scale and impurities in the hot water are stored in the filter tank. Then, through the cooperation between the filter tank and the sludge storage tank, the hot water with scale and impurities is flushed into the collection tank, thereby completing the timely cleaning and discharge of scale and impurities and preventing them from re-adhering to the inner wall of the pipe.

[0014] 2. The rotating tube in this invention drives the base plate to rotate synchronously, which makes the second spring shorter. As a result, the force of the second spring on the mating circular plate increases, and the pressure inside the filter barrel gradually increases and returns to its original value. This allows the water to flow back to the heating system while ensuring that the pressure in the entire system tends to be stable, which facilitates the internal water flow.

[0015] 3. The scraping plate and arc-shaped scraper provided in this invention scrape off the inner walls of the filter barrel and guide sleeve, removing scale or impurities attached thereto. This prevents scale or impurities from adhering to the inner walls of the filter barrel and guide sleeve after prolonged contact with hot water, thus avoiding affecting the operation of the device and improving the overall cleaning and sewage discharge effect.

[0016] 4. The drive plate in this invention drives the corresponding filter plate to move back and forth under the action of water flow, so that the mating hole and the filter hole are staggered and the filter tank is cleaned during the movement, so as to avoid the debris in the hot water getting stuck in the filter tank and affecting the water flow. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0019] Figure 2 This is a partial cross-sectional top view schematic diagram of the present invention.

[0020] Figure 3 This is a three-dimensional schematic diagram of a partial structure in this invention.

[0021] Figure 4 This is the invention Figure 3 Enlarged view of point A in the middle.

[0022] Figure 5 This is a three-dimensional schematic diagram of the guide sleeve in this invention.

[0023] Figure 6 This is a three-dimensional schematic diagram of the rotating shaft, scraping plate, and drive plate in this invention.

[0024] Figure 7 This is a partial cross-sectional three-dimensional structural schematic diagram of the filter barrel, rotating shaft, and rotating shaft in this invention.

[0025] Figure 8 This is a cross-sectional three-dimensional schematic diagram of the auxiliary mechanism in this invention.

[0026] Figure 9 In this invention Figure 8 Enlarged view of point B in the middle.

[0027] Figure 10 In this invention Figure 8 A magnified view of point C in the middle.

[0028] In the diagram: 1. Inlet pipe; 2. Outlet pipe; 3. Filter barrel; 4. Filter mechanism; 40. Divider plate; 400. Barrier plate; 401. Water discharge trough; 402. Filter tank; 403. Vertical plate; 404. Filter plate; 405. Mating hole; 406. First spring; 407. Drive plate; 5. Sewage discharge mechanism; 50. Sewage discharge trough; 500. Sewage storage tank; 501. Collection trough; 502. Rotating shaft; 503. Baffle plate; 504. Circumferential groove; 505. Arc plate; 506. First discharge trough; 507. Rotating shaft; 508. Rotating plate; 509. Second discharge trough; 51. Locking groove; 510. L-shaped groove 511. Card plate; 512. Collection bucket; 52. Guide sleeve; 53. Rotating shaft; 530. Fixing component; 531. Scraper; 532. Arc-shaped scraper; 533. Rotating ring; 534. Driving component; 54. Mounting plate; 540. Guide plate; 541. Baffle plate; 542. Lowering plate; 543. Baffle; 544. Restriction strip; 6. Auxiliary mechanism; 60. Fixed plate; 600. Fixed plate; 601. Rotating tube; 602. Right shift groove; 603. Base plate; 604. Threaded shaft; 61. Matching circular plate; 610. Matching circular ring; 611. Sealing groove; 612. Rubber strip; 613. Second spring. Detailed Implementation

[0029] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

[0030] See Figure 1 , Figure 3 and Figure 6 A centralized heating system pipeline filtration and sewage discharge device includes a filter barrel 3 installed between the inlet pipe 1 and the outlet pipe 2 of the heating system pipeline. The filter barrel 3 has a cylindrical structure. A filtration mechanism 4 and a sewage discharge mechanism 5 are arranged sequentially from top to bottom inside the filter barrel 3. A one-way valve is installed on the inlet pipe 1, and an auxiliary mechanism 6 is installed on the outlet pipe 2. The auxiliary mechanism 6 divides the outlet pipe 2 into two parts.

[0031] See Figure 2 , Figure 3 and Figure 6The filtration mechanism 4 includes a partition plate 40. A partition plate 40 is fixedly installed inside the filter barrel 3, located below the water inlet pipe 1. A barrier plate 400 is fixedly installed between the partition plate 40 and the upper end of the inner wall of the filter barrel 3. The barrier plate 400 is vertically installed. A water discharge trough 401 and a filter trough 402 are formed on the upper surface of the partition plate 40. The filter trough 402 and the water discharge trough 401 are located on the left and right sides of the barrier plate 400, respectively. The filter trough 402 is close to the water inlet pipe 2, and the water discharge trough 401 is close to the water outlet pipe 1. The filter trough 402 consists of multiple filter holes arranged in a matrix. Two symmetrical reciprocating grooves are provided on the lower end face of the partition plate 400 and located on the left side of the partition plate 400. Vertical plates 403 are provided in the reciprocating grooves. A filter plate 404 is fixedly provided between the two vertical plates 403. Multiple mating holes 405 are provided on the filter plate 404 in a matrix arrangement. A spring mounting plate corresponding to each vertical plate 403 is fixedly provided on the lower end face of the partition plate 40. A first spring 406 is fixedly provided between the spring mounting plate and the corresponding vertical plate 403. Multiple equally spaced and arc-shaped drive plates 407 are fixedly provided on the lower end face of the filter plate 404.

[0032] During operation, the heating system supplies water, which flows from the inlet pipe 1 to the area above the baffle plate 400 and then through the outlet trough 401 into the area below the baffle plate 400. Simultaneously, hot water accumulates at the bottom of the filter tank 3. When the hot water reaches the height of the baffle plate 400, it passes through the filter plate 404 and filter trough 402 under the pressure within the heating system, entering the area above the baffle plate 400 and then the outlet pipe 2. During this process, the mating holes 405 on the filter plate 404 and the filter trough 402 work together to filter the hot water. Simultaneously, impurities in the hot water remain in the filter tank 3, and the drive plate 407, under the action of water flow, drives the corresponding filter plate 404 to move back and forth, so that the mating hole 405 and the filter hole are misaligned and the filter tank 402 is cleaned during the movement, so as to prevent impurities in the hot water from getting stuck in the filter tank 402 and affecting the water flow. The first spring 406 deforms during the back and forth movement of the filter plate 404, so the elastic force generated by the first spring 406 can make the filter plate 404 return to its original position, thus performing continuous reciprocating movement.

[0033] See Figure 6 and Figure 7The sewage discharge mechanism 5 includes a sewage discharge trough 50. The lower end face of the filter barrel 3 has a circumferentially evenly distributed fan-shaped sewage discharge trough 50. A sludge storage tank 500 is fixedly installed on the lower end face of the filter barrel 3, and the sludge storage tank 500 is connected to the filter barrel 3. The sludge storage tank 500 has a cylindrical structure. Multiple circumferentially evenly distributed collection troughs 501 with the same shape as the sewage discharge trough 50 are opened on the lower end face of the sludge storage tank 500. A rotating shaft 502 is rotatably installed on the lower end face of the sludge storage tank 500, and an external motor for driving its rotation is fixedly installed at the lower end of the rotating shaft 502. A baffle plate 503 is fixedly installed on the rotating shaft 502. The lower end of the filter barrel 3 has an annular circumferential groove 504. Multiple L-shaped arc plates 505 are slidably arranged in the circumferential groove 504. The arc plates 505 are fixedly connected to the baffle plate 503. Multiple circumferentially evenly distributed first discharge slots 506 are opened on the baffle plate 503. The lower end face of the rotating shaft 502 has a placement groove from bottom to top. A rotating shaft 507 is rotatably arranged in the placement groove. The lower end of the rotating shaft 507 is provided with an external motor for driving its rotation. A rotating plate 508 is fixedly arranged on the upper end face of the rotating shaft 507. Multiple circumferentially evenly distributed second discharge slots 509 are opened on the rotating plate 508.

[0034] Before the heating system starts supplying water, external motor 2 drives rotating plate 508 to rotate a certain angle via rotating shaft 507, aligning the second discharge chute 509 with the sewage chute 50. External motor 1, through gear meshing, drives rotating shaft 502 to rotate baffle plate 503, causing the first discharge chute 506 to be offset from the collection chute 501. This ensures that filter tank 3 and sludge storage tank 500 are connected, while the first discharge chute 506 and collection chute 501 are both closed. After water supply begins, hot water enters filter tank 3 and sludge storage tank 500. Impurities and scale gradually accumulate and fall into the sludge storage tank 500. Then, the external motor 2 drives the rotating plate 508 to rotate at a certain angle through the rotating shaft 507, causing the second discharge chute 509 and the sewage discharge chute 50 to be offset from each other. The external motor 1 drives the rotating shaft 502 to rotate the baffle plate 503 at a certain angle through the gear rotation, so that the first discharge chute 506 and the collection chute 501 are aligned with each other. Therefore, the filter tank 3 and the sludge storage tank 500 are separated, and the lower end of the sludge storage tank 500 is open. At this time, the hot water containing impurities and scale is discharged, completing one sewage discharge operation.

[0035] See Figure 3 and Figure 4The filter bucket 3 has multiple circumferentially evenly distributed slots 51 on its lower end face. The filter bucket 3 also has L-shaped grooves 510 that correspond one-to-one with and are interconnected with the slots 51. An L-shaped slot plate 511 is slidably disposed in the L-shaped groove 510. The lower end face of all the slot plates 511 is fixedly disposed with a collection bucket 512 that has an open upper end face and a hollow interior.

[0036] Before supplying water, place the card plate 511 on the collection tank 512 into the corresponding card slot 51, and then rotate the collection tank 512 so that the card plate 511 enters the L-shaped groove 510 and engages with the L-shaped groove 510, thereby completing the installation of the collection tank 512. After that, the filtration and sewage discharge operation is carried out. Finally, the collection tank 512 collects the hot water containing impurities and scale.

[0037] See Figure 3 and Figure 5 The filter bucket 3 is fixedly provided with a guide sleeve 52. Both the upper and lower ends of the guide sleeve 52 are open, and the lower end opening is connected to the sewage discharge tank 50.

[0038] During operation, when the filter tank 3 and the sludge storage tank 500 are in a connected state, and the discharge trough 506 and the collection trough 501 are in a closed state, and hot water enters the filter tank 3, impurities and scale in the hot water sink down. The guide sleeve 52, due to its internal arc surface, causes the impurities to initially sink into the sludge storage tank 500, which facilitates subsequent collection and treatment and improves the overall sewage discharge effect.

[0039] See Figure 3 and Figure 6 The upper end face of the barrier plate 400 is rotatably provided with a rotating shaft 53 that passes through the barrier plate 400. The lower part of the rotating shaft 53 is fixedly provided with multiple circumferentially evenly distributed connecting groups through a connecting ring. Each connecting group includes a connecting plate fixedly connected to the connecting ring and a seven-shaped fixing member 530. The end of the horizontal part of the fixing member 530 is fixedly provided with a scraper 531 that is in close contact with the inner wall of the filter barrel 3. The other end of the fixing member 530 is fixedly provided with an arc-shaped scraper 532 that is in close contact with the inner arc surface of the guide sleeve 52. The upper part of the rotating shaft 53 is rotatably provided with a rotating ring 533. The circumferential surface of the rotating ring 533 is fixedly provided with multiple circumferentially evenly distributed driving members 534 through a connecting shaft.

[0040] During operation, after the heating system supplies water, the water flows into the filter tank 3 through the inlet pipe 1. At this time, the water flow impacts the inner arc surface of the drive component 534 under the pressure inside the heating system, causing the drive component 534 to drive the rotation shaft 53 to rotate. The rotation shaft 53, through the fixing component 530, drives the scraper 531 and the arc-shaped scraper 532 to scrape the inner walls of the filter tank 3 and the guide sleeve 52 respectively, removing the scale or impurities attached to them. This prevents scale or impurities from adhering to the inner walls of the filter tank 3 and the guide sleeve 52 after long-term contact with hot water, which would affect the operation of the entire filtration and sewage discharge device and improve the overall cleaning and sewage discharge effect.

[0041] See Figure 2 , Figure 3 and Figure 6 An installation plate 54 is fixedly installed on the upper end face of the barrier plate 400. The installation plate 54 is close to the water inlet pipe 1. A guide plate 540 is fixedly installed on the right end face of the installation plate 54. The inner arc surface of the front part of the guide plate 540 faces the water inlet pipe 1, and the inner arc surface of the rear part of the guide plate 540 faces the rotation axis 53. A baffle plate 541 is fixedly installed on the left end face of the installation plate 54.

[0042] During operation, when water flows into the inner cavity of the transition plate through the inlet pipe 1, the guide plate 540 guides the water flow, facilitating the impact of the water flow on the drive plate 407. After the water flow impacts the drive plate 407, the drive plate 407 rotates and drives the water flow to the discharge tank 401. The baffle plate 541 blocks the water flow at this point, allowing the water flow from the discharge tank 401 to the inner cavity of the filter bucket 3 located below the baffle plate 400.

[0043] See Figure 2 , Figure 3 and Figure 6 The inner wall of the water discharge tank 401 is provided with a downward sliding groove, the bottom of which is sealed. A downward sliding plate 542 is slidably arranged in the downward sliding groove. A baffle 543 is fixedly arranged on the lower end face of the downward sliding plate 542. A float is arranged on the lower end face of the baffle 543. Two front-to-back limiting strips 544 are fixedly arranged on the inner wall of the water discharge tank 401.

[0044] During operation, after the heating system supplies water, the water flows from the inlet pipe 1 into the inner cavity of the filter bucket 3 located above the baffle plate 400. At this time, due to the high pressure in the heating system, the baffle 543 moves downward. The water flows through the gap between the baffle 543 and the baffle plate 400 into the inner cavity of the filter bucket 3 located below the baffle plate 400. When the inner cavity of the filter bucket 3 located below the baffle plate 400 is full of hot water, the buoyancy generated by the float causes the baffle 543 to move upward a certain distance. At this time, the distance between the baffle 543 and the baffle plate 400 decreases, that is, the water flow through the drain tank 401 decreases. Therefore, the impact of the water flow on the impurities and scale in the inner cavity of the filter bucket 3 located below the baffle plate 400 is reduced, which facilitates the settling of impurities and scale in the inner cavity of the filter bucket 3 located below the baffle plate 400 for subsequent collection and treatment. The limiting strip 544 restricts the baffle 543 during the floating process to prevent the baffle 543 from floating excessively.

[0045] See Figure 8 , Figure 9 and Figure 10 The auxiliary mechanism 6 includes a fixed plate 60. The fixed plate 60 is installed outside the water outlet pipe 2. A fixed plate 600 is fixedly installed inside the fixed plate 60. A rotating tube 601 is rotatably installed at the right end of the fixed plate 60. Multiple circumferentially evenly distributed right-shifting grooves 602 are opened on the inner wall of the rotating tube 601. A base plate 603 is slidably installed in the right-shifting grooves 602 through right-shifting blocks. A threaded shaft 604 is rotatably installed on the right end face of the fixed plate 600, and the threaded shaft 604 and the base plate 603 are threaded. The threaded shaft 604 is fitted with a mating circular plate 61 on its right side. The rotating tube 601 has a mating ring 610 fixedly installed on the right side of the mating circular plate 61. The left end face of the mating ring 610 has an annular sealing groove 611. The right end face of the mating circular plate 61 has a rubber strip 612 fixedly installed. The sealing groove 611 is used to accommodate the rubber strip 612 so that the mating ring 610 is sealed by the mating circular plate 61. A second spring 613 is installed between the mating circular plate 61 and the base plate 603.

[0046] When no water is supplied, the mating disc 61 moves to the right under the elastic force generated by the deformation of the second spring 613 and engages with the mating ring 610. During the filtration and sewage discharge process, the operation of the filtration mechanism 4 and the sewage discharge mechanism 5 reduces the pressure inside the filter barrel 3. When water is supplied, after the water flows through the filtration and sewage discharge and is discharged from the outlet pipe 2, the water flow exerts a leftward force on the mating disc 61, and this force can deform the second spring 613, causing the mating disc 61 to move to the left. Thus, the water flow can flow out from the gap between the mating disc 61 and the mating ring 610. When the pressure inside the filter barrel 3 is low, the force of the water flow on the mating disc 61 is insufficient to deform the second spring 613. At the same time, the water pressure in the inlet pipe 1 is also insufficient to completely flush out impurities and scale, resulting in impurities remaining in the inlet pipe 1. At this time, the inlet pipe 1 continues to supply water, causing the pressure inside the filter barrel 3 to increase and eventually making the force of the water flow on the mating disc 61 sufficient to deform the second spring 613, thus allowing the water flow to continue.

[0047] By rotating the rotating tube 601, the rotating tube 601 drives the base plate 603 to rotate synchronously. Through the threaded engagement between the base plate 603 and the threaded shaft 604, the base plate 603 can move to the right. Therefore, the second spring 613 is compressed and shortened, thus increasing the rebound force of the second spring 613 on the mating circular plate 61. The water outlet pipe 2 is closed and the water inlet pipe 1 continues to supply water, so the pressure in the filter barrel 3 begins to rise and eventually returns to the initial pressure. By changing the deformation length of the second spring 613, the pressure on the mating circular plate 61 is changed, thereby increasing the water pressure when the mating circular plate 61 is opened. Increasing the water pressure can prevent impurities from remaining in the water inlet pipe 1.

[0048] In specific operation, firstly, external motor 2 drives rotating plate 508 to rotate at a certain angle through rotating shaft 507, causing the second discharge trough 509 and sewage trough 50 to be staggered. Then, external motor 1 drives the first discharge trough 506 and collection trough 501 to be aligned. After that, the heating system supplies water, and the water flows from the inlet pipe 1 to the area above the baffle plate 400 and enters the area below the baffle plate 400 through the discharge trough 401. At the same time, hot water accumulates at the bottom of the filter tank 3. When the hot water accumulates to the height of the baffle plate 400, the hot water, under the pressure in the heating system network, passes through the filter plate 404 and filter trough 402 into the area above the baffle plate 400 and enters the outlet pipe 2, completing the filtration of hot water.

[0049] When the amount of impurities and scale deposited in the filter tank 3 reaches a certain level, the external motor 2 operates, causing the second discharge trough 509 and the sewage discharge trough 50 to align with each other, and the first discharge trough 506 and the collection trough 501 to be offset. Therefore, impurities and scale in the hot water gradually accumulate and fall into the sludge storage tank 500. The first discharge trough 506 and the collection trough 501 are aligned with each other, and then the second discharge trough 509 and the sewage discharge trough 50 are offset from each other. Thus, the filter tank 3 and the sludge storage tank 500 are separated, and the lower end of the sludge storage tank 500 is open, allowing hot water containing impurities and scale to be discharged.

[0050] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A centralized heating system pipeline filtration and sewage discharge device, comprising a filter barrel (3) installed between the inlet pipe (1) and the outlet pipe (2) of the heating system pipeline, characterized in that: The filter barrel (3) is a cylindrical structure. The filter barrel (3) is equipped with a filter mechanism (4) and a sewage discharge mechanism (5) from top to bottom. A one-way valve is installed on the water inlet pipe (1), and an auxiliary mechanism (6) is installed on the water outlet pipe (2). The auxiliary mechanism (6) divides the water outlet pipe (2) into two parts. The filtration mechanism (4) includes a partition plate (40). A partition plate (40) is fixedly installed inside the filter barrel (3) below the inlet pipe (1). A baffle plate (400) is fixedly installed between the partition plate (40) and the upper end of the inner wall of the filter barrel (3). The baffle plate (400) is vertically installed. A water discharge trough (401) and a filter trough (402) are opened on the upper surface of the partition plate (40). The filter trough (402) and the water discharge trough (401) are located on the left and right sides of the baffle plate (400), respectively. The filter trough (402) is close to the inlet pipe (1), and the water discharge trough (401) is close to the outlet pipe (2). The filter trough (402) consists of multiple filter holes arranged in a matrix. The lower end face of the partition (40) has two symmetrical reciprocating grooves located on the left side of the barrier plate (400). A vertical plate (403) is provided in the reciprocating groove. A filter plate (404) is fixedly provided between the two vertical plates (403). A plurality of mating holes (405) arranged in a matrix are provided on the filter plate (404). A spring mounting plate (54) corresponding to the vertical plate (403) is fixedly provided on the lower end face of the partition plate (40). A first spring (406) is fixedly provided between the spring mounting plate (54) and the corresponding vertical plate (403). A plurality of equally spaced and arc-shaped drive plates (407) are fixedly provided on the lower end face of the filter plate (404). The inner wall of the water discharge trough (401) is provided with a downward sliding groove. The bottom of the downward sliding groove is sealed. A downward sliding plate (542) is slidably arranged in the downward sliding groove. A baffle (543) is fixedly arranged on the lower end face of the downward sliding plate (542). A float is arranged on the lower end face of the baffle (543). Two front-to-back limiting strips (544) are fixedly arranged on the inner wall of the water discharge trough (401).

2. The centralized heating system pipeline filtration and sewage discharge device according to claim 1, characterized in that: The sewage discharge mechanism (5) includes a sewage discharge trough (50). The lower end face of the inner cavity of the filter barrel (3) is provided with a circumferentially evenly distributed fan-shaped sewage discharge trough (50). A sludge storage tank (500) is fixedly installed on the lower end face of the filter barrel (3). The sludge storage tank (500) is connected to the filter barrel (3) and is a cylindrical structure. The lower end face of the sludge storage tank (500) is provided with multiple circumferentially evenly distributed collection troughs (501) with the same shape as the sewage discharge trough (50). A rotating shaft (502) is rotatably installed on the lower end face of the sludge storage tank (500). A baffle plate (503) is fixedly installed on the rotating shaft (502). A circumferential groove (504) is provided on the circumferential surface at the lower end of the filter barrel (3). Multiple L-shaped arc plates (505) are slidably arranged in the circumferential groove (504). The arc plates (505) are fixedly connected to the baffle plate (503). Multiple circumferentially evenly distributed first discharge grooves (506) are provided on the baffle plate (503). A placement groove from bottom to top is provided on the lower end face of the rotating shaft (502). A rotating shaft (507) is rotatably arranged in the placement groove. A rotating plate (508) is fixedly arranged on the upper end face of the rotating shaft (507). Multiple circumferentially evenly distributed second discharge grooves (509) are provided on the rotating plate (508).

3. A centralized heating system pipeline filtration and sewage discharge device according to claim 1, characterized in that: The filter bucket (3) has multiple circumferentially evenly distributed slots (51) on its lower end face, and an L-shaped groove (510) corresponding to and communicating with the slots (51) on its lower end face. An L-shaped slot plate (511) is slidably arranged in the L-shaped groove (510). All the slot plates (511) have a collection bucket (512) with an open upper end face and a hollow interior fixedly arranged on their lower end faces.

4. A centralized heating system pipeline filtration and sewage discharge device according to claim 2, characterized in that: The filter barrel (3) is fixedly provided with a guide sleeve (52), both the upper and lower ends of the guide sleeve (52) are open, and the lower end opening is connected to the sewage discharge tank (50).

5. A centralized heating system pipeline filtration and sewage discharge device according to claim 4, characterized in that: The upper end face of the barrier plate (400) is rotatably provided with a rotation shaft (53) that passes through the barrier plate (400). The lower part of the rotation shaft (53) is fixedly provided with multiple circumferentially evenly distributed connecting groups through a connecting ring.

6. A centralized heating system pipeline filtration and sewage discharge device according to claim 5, characterized in that: Each connecting group includes a connecting plate fixedly connected to the connecting ring and a seven-shaped fastener (530). The end of the horizontal part of the fastener (530) is fixedly provided with a scraper (531) that is in close contact with the inner wall of the filter barrel (3). The other end of the fastener (530) is fixedly provided with an arc-shaped scraper (532) that is in close contact with the inner arc surface of the guide sleeve (52). The part of the self-rotating shaft (53) located at the upper end of the barrier plate (400) is rotatably provided with a rotating ring (533). The circumferential surface of the rotating ring (533) is fixedly provided with multiple circumferentially evenly distributed driving members (534) through the connecting shaft.

7. A centralized heating system pipeline filtration and sewage discharge device according to claim 5, characterized in that: An installation plate (54) is fixedly provided on the upper end face of the barrier plate (400). The installation plate (54) is close to the water inlet pipe (1). A guide plate (540) is fixedly provided on the right end face of the installation plate (54). The inner arc surface of the front part of the guide plate (540) faces the water inlet pipe (1), and the inner arc surface of the rear part of the guide plate (540) faces the rotation axis (53). A baffle plate (541) is fixedly provided on the left end face of the installation plate (54).

8. A centralized heating system pipeline filtration and sewage discharge device according to claim 1, characterized in that: The auxiliary mechanism (6) includes a fixed plate (60) set outside the water outlet pipe (2), a fixed plate (600) fixedly set inside the fixed plate (60), a rotating tube (601) rotatably set at the right end of the fixed plate (60), a plurality of circumferentially evenly distributed right shift grooves (602) are opened on the inner wall of the rotating tube (601), a base plate (603) is slidably set inside the right shift groove (602) by a right shift block, a threaded shaft (604) is rotatably set on the right end face of the fixed plate (600), and the threaded shaft (604) and the base plate (603) are threadedly engaged, a mating circular plate (61) is fixedly sleeved on the right side of the threaded shaft (604), a mating ring (610) located on the right side of the mating circular plate (61) is fixedly set inside the rotating tube (601), and a second spring (613) is set between the mating circular plate (61) and the base plate (603).

9. A centralized heating system pipeline filtration and sewage discharge device according to claim 8, characterized in that: The left end face of the mating ring (610) is provided with an annular sealing groove (611), and the right end face of the mating plate (61) is fixedly provided with a rubber strip (612). The sealing groove (611) is used to accommodate the rubber strip (612) so that the mating ring (610) is sealed by the mating plate (61).

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