Filtering and blowdown device for central heating pipe network

By installing a filtration and sewage discharge device with stainless steel and activated carbon filters in the heating pipeline network, the problems of rust and slag deposition and cumbersome sewage discharge in the heating system are solved, achieving the effect of impurity filtration and accumulation, and improving the operating efficiency and cleanliness of the heating system.

CN223636257UActive Publication Date: 2025-12-05LINYI SMART NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202423154053.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-05
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

The existing centralized heating system cannot be wet-maintained during summer maintenance, which leads to the accumulation of rust and other dirt in the pipes, affecting heating efficiency, and the sewage discharge process is cumbersome.

Method used

Design a centralized heating network filtration and sewage discharge device, comprising a water storage pipe, an inlet pipe, an outlet pipe, a sewage discharge pipe, and a collection bucket. It is equipped with a stainless steel filter screen and an activated carbon or PP cotton filter screen to filter impurities, and the impurities are collected and settled through the sewage discharge pipe and the collection bucket.

Benefits of technology

It effectively filters and collects impurities in the pipes, prevents backflow, simplifies the sewage discharge process, and improves the operating efficiency and cleanliness of the heating system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a filtering blowdown device for a central heating pipe network, and relates to the technical field of heating pipelines. Comprising a water storage pipeline, the two ends of the water storage pipeline are connected with a water inlet pipeline and a water outlet pipeline respectively, the water storage pipeline, the water inlet pipeline and the water outlet pipeline are in an inverted-n shape, and a blow-off pipe is arranged in the middle section of the bottom of the water storage pipeline and detachably connected with a collecting barrel; a first filter screen and a second filter screen are sequentially arranged on the side, close to the water outlet pipeline, of the blow-off pipe in an inner cavity of the water storage pipeline, a connecting pipe is fixedly connected to the top of the collecting barrel, the end of the blow-off pipe is inserted into the connecting pipe, and a locking sleeve connected with the blow-off pipe and the connecting pipe is arranged on the blow-off pipe. According to the filtering and blowdown device for the central heating pipe network, by arranging the first filter screen and the second filter screen, impurities in water circulating in the pipeline can be filtered in the water storage pipeline, and by arranging the collecting barrel, the deposited impurities can be conveniently accumulated, and blowdown is also facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heat supply pipeline, specifically is a centralized heat supply pipe network filtering and blowdown device. BACKGROUND

[0002] Centralized heat supply is one of the infrastructures of modern city and also an important facility of city public utilities, which can not only provide stable and reliable high-grade heat source for the city, improve people's life, but also save energy, reduce city pollution, beautify the city and effectively utilize the city space, so the centralized heat supply has remarkable economic and social benefits.

[0003] The current hot water heat supply system needs to drain water during the summer maintenance period, cannot carry out wet maintenance on the pipeline, and the rust and other impurities formed by oxidation and corrosion are deposited in the pipeline. At the beginning of each annual heat supply, the impurities will be impacted into the Y pipeline of each household or deposited on the inner wall of the indoor heat supply pipe due to the failure of filtration, and the blowdown process is relatively cumbersome, which affects the efficiency of the centralized heat supply system blowdown. UTILITARY MODEL

[0004] The utility model provides a centralized heat supply pipe network filtering and blowdown device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a centralized heat supply pipe network filtering and blowdown device, which comprises a water storage pipeline, the two ends of the water storage pipeline are connected with an inlet pipeline and an outlet pipeline respectively, the water storage pipeline, the inlet pipeline and the outlet pipeline are in inverted letter "Z" shape, a blowdown pipe is arranged at the middle section of the bottom of the water storage pipeline, the blowdown pipe is detachably connected with a collection barrel, and the inner cavity of the water storage pipeline is located on the side close to the outlet pipeline and is sequentially provided with a first filter screen and a second filter screen.

[0006] Further, the first filter screen is a stainless steel filter screen.

[0007] Further, the second filter screen is one of an activated carbon filter screen or a PP cotton filter screen.

[0008] Further, the top of the collection barrel is fixedly connected with a connecting pipe, the end of the blowdown pipe is inserted into the connecting pipe, and a locking sleeve connecting the blowdown pipe and the connecting pipe is arranged on the blowdown pipe.

[0009] Further, the connecting pipe is formed with a protruding portion, an outer thread is formed on the outer wall of the connecting pipe above the protruding portion, the locking sleeve is threadedly connected with the outer thread, and a sealing sleeve sleeved on the blowdown pipe is assembled in the inner cavity of the locking sleeve.

[0010] Further, the bottom of the collecting barrel is provided with a sewage outlet, and the sewage outlet is detachably connected with a plug.

[0011] Further, the plug is threadedly connected with the sewage outlet.

[0012] Compared with the prior art, the centralized heating pipe network filtering and sewage device has the following beneficial effects: the centralized heating pipe network filtering and sewage device can filter the impurities in the water flowing through the pipeline in the water storage pipeline, and the impurities are not easy to flow back to the water inlet pipeline, in addition, the setting of the collecting barrel facilitates the accumulation of the precipitated impurities and the sewage discharge. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model;

[0014] Fig. 2 It is a plane structural schematic view of the utility model;

[0015] Fig. 3 It is an enlarged schematic view of A of the utility model.

[0016] In the figure: 1, water storage pipeline; 2, water inlet pipeline; 3, water outlet pipeline; 4, sewage pipe; 5, collecting barrel; 6, first filter screen; 7, second filter screen; 8, locking sleeve; 9, connecting pipe; 10, protruding part; 11, external thread; 12, sealing sleeve; 13, sewage outlet; 14, plug. DETAILED DESCRIPTION

[0017] 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 the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figs. 1-3The utility model discloses a centralized heating pipe network filters sewage device, including water storage pipeline 1, the both ends of water storage pipeline 1 are connected with water inlet pipeline 2 and water outlet pipeline 3 respectively, water storage pipeline 1, water inlet pipeline 2 and water outlet pipeline 3 between inverted several characters, the bottom middle section of water storage pipeline 1 is equipped with sewage pipe 4, the sewage pipe 4 is detachably connected with collection bucket 5, the inner chamber of water storage pipeline 1 is located on the side of sewage pipe 4 close to water outlet pipeline 3 and is equipped with first filter screen 6 and second filter screen 7 in proper order, water storage pipeline 1, water inlet pipeline 2 and water outlet pipeline 3 between inverted several characters, in order to facilitate the impurity in water body to remain in water storage pipeline 1 after being filtered by filter screen, and not easy to return to water inlet pipeline 2, the impurity in water storage pipeline 1 can fall in collection bucket 5 along sewage pipe 4, so as to be collected and discharged.

[0019] Specifically, the first filter screen 6 is a stainless steel filter screen.

[0020] In the embodiment, the first filter screen 6 is a stainless steel filter screen, which can filter the impurities such as sand in the water body, has strong corrosion resistance and long service life.

[0021] Specifically, the second filter screen 7 is one of an activated carbon filter screen or a PP cotton filter screen.

[0022] In the embodiment, the second filter screen 7 is arranged to adsorb the finer particle impurities in the water body and assist the first filter screen 6 to improve the effect of the filter screen.

[0023] Specifically, the top of the collection bucket 5 is fixedly connected with a connecting pipe 9, the end of the sewage pipe 4 is inserted into the connecting pipe 9, and the sewage pipe 4 is provided with a locking sleeve 8 connected with the connecting pipe 9.

[0024] The connecting pipe 9 is formed with a protruding portion 10, the outer wall of the connecting pipe 9 is formed with external threads 11 above the protruding portion 10, the locking sleeve 8 is threadedly connected with the external threads 11, and the inner cavity of the locking sleeve 8 is assembled with a sealing sleeve 12 sleeved on the sewage pipe 4.

[0025] In the embodiment, the sewage pipe 4 and the collection bucket 5 are convenient to disassemble and assemble.

[0026] When the sewage pipe 4 and the collection bucket 5 are connected, the sewage pipe 4 is inserted into the inner cavity of the connecting pipe 9, then the locking sleeve 8 on the sewage pipe 4 is rotated to be threadedly connected with the external threads 11 and abut against the protruding portion 10.

[0027] After the sewage pipe 4 and the connecting pipe 9 are connected together, the sealing sleeve 12 can be extruded by the locking sleeve 8 and the connecting pipe 9 to ensure the sealing of the connection between the sewage pipe 4 and the connecting pipe 9.

[0028] The outer wall of the locking sleeve 8 is provided with anti-skid lines, so as to rotate the locking sleeve 8.

[0029] Specifically, the bottom of the collecting barrel 5 is provided with a sewage outlet 13, and the sewage outlet 13 is detachably connected with a plug 14.

[0030] The plug 14 is threadedly connected with the sewage outlet 13.

[0031] In the embodiment, the surface of the collecting barrel 5 is provided with a transparent observation window, when the collecting barrel 5 collects more impurities, the plug 14 is opened to discharge the impurities.

[0032] In summary, the centralized heating pipe network filtering and sewage device can filter the impurities in the water in the pipe from flowing back to the water inlet pipe 2 by setting the first filter screen 6 and the second filter screen 7, and the setting of the collecting barrel 5 is convenient for accumulating and discharging the impurities.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A centralized heating network filtering and pollution discharge device, comprising a water storage pipeline (1), characterized in that: The both ends of the water storage pipeline (1) are connected with the water inlet pipeline (2) and the water outlet pipeline (3) respectively, the water storage pipeline (1), the water inlet pipeline (2) and the water outlet pipeline (3) are inverted U-shaped, the bottom middle section of the water storage pipeline (1) is provided with the sewage pipeline (4), the sewage pipeline (4) is detachably connected with the collecting barrel (5), the inner cavity of the water storage pipeline (1) is provided with the first filter screen (6) and the second filter screen (7) in sequence on the side close to the water outlet pipeline (3) of the sewage pipeline (4).

2. The filtering and blowdown device for a district heating pipe network according to claim 1, characterized in that The first filter screen (6) is a stainless steel filter screen.

3. The device according to claim 1, characterized in that: The second filter screen (7) is one of an activated carbon filter screen or a PP cotton filter screen.

4. The central heating pipe network filtering and pollution discharging device according to claim 1, characterized in that: The top of the collecting barrel (5) is fixedly connected with the connecting pipe (9), the end of the sewage pipeline (4) is inserted into the connecting pipe (9), and the sewage pipeline (4) is provided with the locking sleeve (8) connected with the sewage pipeline (4) and the connecting pipe (9).

5. The central heating pipe network filtering and pollution discharging device according to claim 4, characterized in that: The connecting pipe (9) is formed with the protruding portion (10), the outer wall of the connecting pipe (9) is formed with the external thread (11) above the protruding portion (10), the locking sleeve (8) is screw-connected with the external thread (11), and the inner cavity of the locking sleeve (8) is assembled with the sealing sleeve (12) sleeved on the sewage pipeline (4).

6. The central heating pipe network filtering and pollution discharging device according to claim 1, characterized in that: The bottom of the collecting barrel (5) is provided with the sewage outlet (13), and the sewage outlet (13) is detachably connected with the plug (14).

7. The central heating pipe network filtering and pollution discharging device according to claim 6, characterized in that: The plug (14) is screw-connected with the sewage outlet (13).