Pollution discharge device of central heating system

Abstract

The utility model discloses a blowdown device of a central heating system, and relates to the technical field of heating systems. The device comprises a heat supply tank, the heat supply tank comprises a heat supply tank body, a heat supply tank top cover is arranged at the top of the heat supply tank body, a cleaning assembly is arranged in the center of the interior of the heat supply tank body and comprises a first rotating shaft, the first rotating shaft is sleeved with an auxiliary assembly, and the auxiliary assembly comprises a gear ring. According to the device, the auxiliary assembly is arranged, specifically, the second gear is driven to rotate through the first rotating shaft, when the second gear rotates, the three first gears are driven to rotate, but when the gear ring rotates, the gear ring is driven to rotate, and the second rotating shaft at the bottom drives the second dirt removing scraper to rotate through the second rotating shaft; sediments attached to the inner wall of the heat supply tank body can be scraped through friction, the inner wall of the heat supply tank body is prevented from being corroded by the sediments, and the service life of the heat supply tank is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of heat supply system, in particular, relate to a centralized heat supply system's blowdown device. BACKGROUND

[0002] Centralized heat supply system is a modern heating mode, and hot water or steam generated by centralized heat source is used as heat medium, which is delivered to production, heating and living heat users in cities or large areas through heat supply pipe network.

[0003] Centralized heat supply system is usually composed of a heat supply tank and a heat network, but the inner wall of the heat supply tank will accumulate sediments such as water scale and biological membrane after long-term use, which will corrode the inner wall of the heat supply tank and affect the service life of the heat supply tank. UTILITY MODEL CONTENTS

[0004] The utility model discloses a centralized heat supply system's blowdown device, through setting up auxiliary assembly, specifically is through the rotation shaft one makes gear two rotation, when gear two rotation will drive three gear one to rotate, but when the ring gear rotates, the ring gear will rotate, the rotation shaft two of bottom is driven to remove the dirt scraper two and rotates through the rotation shaft two, removes the dirt scraper two and can through the friction and scrape off the deposit adhered on the inner wall of the heat supply tank body, prevents the deposit and corrodes the inner wall of the heat supply tank body, guarantees the service life of the heat supply tank, solves the existing heat supply tank in long-term use, and the inner wall will accumulate sediments such as water scale and biological membrane, and these sediments will corrode the inner wall of the heat supply tank, and the service life of the heat supply tank is affected.

[0005] To solve the above technical problem, the utility model is realized through the following technical schemes:

[0006] The utility model discloses a centralized heat supply system's blowdown device, including the heat supply tank, the heat supply tank includes the heat supply tank body, the top of heat supply tank body is provided with the heat supply tank top cover, the inside center of heat supply tank body is provided with cleaning assembly.

[0007] The cleaning assembly comprises a rotating shaft I, the outer part of the rotating shaft I is sleeved with an auxiliary assembly, the auxiliary assembly comprises a gear ring, a gear II is arranged at the center of the inner part of the gear ring, the inner surface of the gear II is fixedly connected with the outer surface of the rotating shaft I, three gears I are arranged on the outer side of the gear II in a circumferential array with the gear II as the center, the three gears I are in meshing connection with the gear II and the inner surface of the gear ring, a rotating shaft II is fixedly connected at the center of the bottom of the gear ring, the rotating shaft II is sleeved on the outer part of the rotating shaft I, the inner surface of the rotating shaft II is in rotating connection with the outer surface of the rotating shaft I, the outer surface of the rotating shaft II is fixedly connected with a shaft coupling II, the shaft coupling II is fixedly connected with a dirt scraping plate II away from the shaft coupling II, the outer surface of the dirt scraping plate II is in contact with the inner surface of the heating tank body, the three gears II are arranged to enable the gear I to drive the gear ring to rotate in the rotating process, and the rotating shaft II at the bottom can drive the dirt scraping plate II to rotate, so that the deposits attached to the inner surface of the heating tank body are cleaned.

[0008] Further, the top of the rotating shaft I penetrates the center of the heating tank top cover and extends outward, the outer surface of the rotating shaft I is in rotating connection with the inner surface of the center of the heating tank top cover, an electric motor is fixedly connected at the center of the top of the heating tank top cover, the output end of the bottom of the electric motor is on the same horizontal line as the rotating shaft I, the output end of the bottom of the electric motor is fixedly connected with the top of the rotating shaft I through a shaft coupling, the outer surface of the bottom of the rotating shaft I is sleeved with a shaft coupling I, three dirt scraping plates I are fixedly connected away from the shaft coupling I, the three dirt scraping plates I are arranged in a circumferential array with the shaft coupling I as the center, the outer surface of the dirt scraping plate I is in contact with the inner surface of the heating tank body, the arrangement of the electric motor can provide stable power for the operation of the cleaning assembly and the auxiliary assembly, and the arrangement of the dirt scraping plate I can scrape off the deposits on the inner wall of the heating tank body.

[0009] Further, the top of the heating tank body and the bottom of the heating tank top cover are fixedly connected with sealing flanges, the two sealing flanges are arranged in mirror image with the top of the heating tank body as the center, the outer surface of the sealing flange is fixedly connected with a screw rod special-shaped lug, four special-shaped lugs of the sealing flange are arranged in a circumferential array with the sealing flange as the center, screw holes are formed at the centers of the four special-shaped lugs of the sealing flange, and the top of the heating tank body is fixedly connected with the bottom of the heating tank top cover through bolts passing through the screw holes of the sealing flange.

[0010] Further, the lower part of the heating tank body is provided with a filter assembly, the filter assembly comprises an assembly shell, a circular groove is formed in the top of the assembly shell, the inner surface of the circular groove of the assembly shell is fixedly connected with the outer surface of the heating tank body, a filter sieve plate is arranged below the heating tank body, and the outer surface of the filter sieve plate is fixedly connected with the inner surface of the assembly shell. The filter sieve plate can clean the wastewater flowing out of the heating tank body, so that the wastewater used for cleaning the sediment on the inner surface of the heating tank body can be reused, and the waste of water resources is reduced.

[0011] Further, the filter assembly comprises a shell hatch, a handle is fixedly connected to the right side of the front surface of the shell hatch, the shell hatch is arranged on the front surface of the assembly shell, the back surface of the shell hatch is in contact with the front surface of the assembly shell, and the left side of the shell hatch is rotationally connected with the left side of the assembly shell through a pin shaft. The shell hatch can be separated from the assembly shell through the handle, so that the filter sieve plate arranged in the assembly shell can be cleaned by the worker.

[0012] Further, a discharge hopper is arranged at the center of the top of the filter sieve plate, the top of the discharge hopper is fixedly connected with the bottom of the heating tank body, the bottom of the heating tank body is arranged in a slope, a discharge hopper valve is rotationally connected to the left side of the discharge hopper, the discharge hopper valve penetrates through the outer surface of the left side of the assembly shell and extends outward, and the discharge hopper valve is rotationally connected with the assembly shell. The slope arrangement of the bottom of the heating tank body enables the wastewater used for cleaning to flow outward along the slope, and the discharge hopper valve can control the discharge hopper. When it is necessary to discharge, the discharge hopper valve is twisted to discharge the wastewater.

[0013] Further, an inlet and outlet pipe is fixedly connected to the center of the left side and the right side of the heating tank, a circular ring protrusion is fixedly connected to the inner surface of the top sealing flange, the bottom of the tooth ring is in contact with the top of the circular ring protrusion, the top of the tooth ring is in contact with the inner wall of the top of the heating tank top cover, an annular protrusion is fixedly connected to the inner surface of the heating tank top cover, an annular groove is formed in the outer surface of the tooth ring, the annular protrusion of the heating tank top cover and the annular groove of the outer surface of the tooth ring are matched with each other, circular ring protrusions are fixedly connected to the center of the top and the bottom of the inner surface of the tooth ring, and the circular ring recesses of the gear two and the circular ring protrusions of the inner surface of the tooth ring are matched with each other. The circular ring protrusions can provide support for the tooth ring, so that the tooth ring will not fall downward. The annular protrusion of the heating tank top cover and the annular groove of the outer surface of the tooth ring can limit the rotation of the tooth ring to prevent displacement. The circular ring recesses of the gear two and the circular ring protrusions of the inner surface of the tooth ring are matched with each other, so that the tooth ring can be fixed at the center of the tooth ring.

[0014] The utility model has the following beneficial effects:

[0015] 1, the utility model discloses a supplementary assembly is set up, specifically is through the rotation axis one and makes gear two rotation, when gear two rotation will drive three gear one to rotate, but when the tooth ring rotates then will drive the tooth ring rotation, make the rotation axis two of bottom through rotation axis two and drive the dirt scraping plate no.

[0016] 2, the utility model discloses a cleaning assembly is set up, specifically is the starting motor will make rotation axis one rotation, and rotation axis one will drive coupling one rotation when rotating, when coupling one rotation will drive dirt scraping plate one rotation, make the cleaning assembly and supplementary assembly can simultaneously clean the inner surface of the heat supply tank, improve the cleaning effect of cleaning assembly.

[0017] Of course, any product of implementing the utility model does not necessarily need to achieve all the advantages mentioned above simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be needed to use the drawing of the embodiment to introduce briefly, and obviously, the drawing in the following description is only some embodiments of the utility model, and for the ordinary skilled person in the art, under the premise of not paying the creative labor, other drawings can also be obtained according to these drawings.

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the heat supply tank body structure schematic diagram of the utility model;

[0021] Figure 3 It is the heat supply tank body section schematic diagram of the utility model;

[0022] Figure 4 It is the tooth ring structure schematic diagram of the utility model;

[0023] Figure 5 It is the gear one structure schematic diagram of the utility model;

[0024] Figure 6 It is the filter screen plate structure schematic diagram of the utility model.

[0025] In the drawings, the component list represented by each sign is as follows:

[0026] 1, heating tank; 11, heating tank body; 12, sealing flange; 131, heating tank top cover; 132, annular protrusion; 14, discharge hopper; 15, discharge hopper valve; 2, cleaning assembly; 21, motor; 22, rotating shaft one; 23, coupling one; 24, decontamination scraper one; 3, auxiliary assembly; 31, gear ring; 32, rotating shaft two; 33, coupling two; 34, decontamination scraper two; 351, gear one; 352, gear two; 4, filter assembly; 41, assembly shell; 42, shell hatch; 43, filter screen. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-6 The utility model discloses a kind of blowdown devices of central heating system, including heating tank 1, heating tank 1 includes heating tank body 11, the top of heating tank body 11 is provided with heating tank top cover 131, the inside of heating tank body 11 is provided with cleaning assembly 2 at the center;

[0029] The cleaning assembly 2 comprises a rotating shaft 22, the outer part of the rotating shaft 22 is sleeved with an auxiliary assembly 3, the auxiliary assembly 3 comprises a gear ring 31, the center of the inside of the gear ring 31 is provided with a gear 352, the inner surface of the gear 352 is fixedly connected with the outer surface of the rotating shaft 22, the outer side of the gear 352 is provided with three gears 351, the three gears 351 are arranged in a circumferential array with the gear 352 as the center, the three gears 351 are all in meshing connection with the gear 352, the three gears 351 are all in meshing connection with the inner surface of the gear ring 31, the center of the bottom of the gear ring 31 is fixedly connected with a rotating shaft 32, the rotating shaft 32 is sleeved on the outside of the rotating shaft 22, the inner surface of the rotating shaft 32 is in rotating connection with the outer surface of the rotating shaft 22, the outer surface of the rotating shaft 32 is fixedly connected with a shaft coupling 33, the side, away from the shaft coupling 33, of the shaft coupling 33 is fixedly connected with a dirt scraping plate 34, the outer surface of the dirt scraping plate 34 is in contact with the inner surface of the heating tank body 11, by arranging the auxiliary assembly 3, specifically by rotating the rotating shaft 22 to make the gear 352 rotate, when the gear 352 rotates, it will drive the three gears 351 to rotate, but when the gear ring 31 rotates, it will drive the gear ring 31 to rotate, so that the rotating shaft 32 at the bottom drives the dirt scraping plate 34 to rotate through the rotating shaft 32, so that the dirt scraping plate 34 can scrape off the deposits attached to the inner wall of the heating tank body 11 through friction, prevent the deposits from corroding the inner wall of the heating tank body 11, and ensure the service life of the heating tank 1.

[0030] The top of the rotating shaft 22 penetrates the center of the heating tank top cover 131 and extends outward, the outer surface of the rotating shaft 22 is in rotating connection with the inner surface of the center of the heating tank top cover 131, the center of the top of the heating tank top cover 131 is fixedly connected with a motor 21, the output end of the bottom of the motor 21 is on the same horizontal line as the rotating shaft 22, the output end of the bottom of the motor 21 is fixedly connected with the top of the rotating shaft 22 through a shaft coupling, the outer surface of the bottom of the rotating shaft 22 is sleeved with a shaft coupling 23, the side, away from the rotating shaft 22, of the shaft coupling 23 is fixedly connected with three dirt scraping plates 24, the three dirt scraping plates 24 are arranged in a circumferential array with the shaft coupling 23 as the center, the outer surface of the dirt scraping plate 24 is in contact with the inner surface of the heating tank body 11, by arranging the cleaning assembly 2, specifically by starting the motor 21 to make the rotating shaft 22 rotate, and the rotating shaft 22 will drive the shaft coupling 23 to rotate at the same time, when the shaft coupling 23 rotates, it will drive the dirt scraping plate 24 to rotate, so that the cleaning assembly 2 and the auxiliary assembly 3 can clean the inner surface of the heating tank 1 at the same time, and improve the cleaning effect of the cleaning assembly 2.

[0031] The top of the heating tank body 11 is fixedly connected with the bottom of the heating tank top cover 131, and the two sealing flanges 12 are mirror image arranged with the top of the heating tank body 11 as the center. The outer surface of the sealing flange 12 is fixedly connected with a screw rod special-shaped lug, and the special-shaped lugs of the four sealing flanges 12 are circumferentially arranged with the sealing flange 12 as the center. The center of the special-shaped lugs of the four sealing flanges 12 is provided with a threaded hole. The top of the heating tank body 11 is fixedly connected with the bottom of the heating tank top cover 131 through the threaded hole of the sealing flange 12 by using a bolt.

[0032] The lower part of the heating tank body 11 is provided with a filtering assembly 4. The filtering assembly 4 comprises an assembly housing 41. The top of the assembly housing 41 is provided with a circular groove. The inner surface of the circular groove of the assembly housing 41 is fixedly connected with the outer surface of the heating tank body 11. The lower part of the heating tank body 11 is provided with a filter sieve plate 43. The outer surface of the filter sieve plate 43 is fixedly connected with the inner surface of the assembly housing 41.

[0033] The filtering assembly 4 comprises a housing door 42. The right side of the front of the housing door 42 is fixedly connected with a handle. The housing door 42 is arranged on the front of the assembly housing 41. The back of the housing door 42 is in contact with the front of the assembly housing 41. The left side of the housing door 42 is rotatably connected with the left side of the assembly housing 41 through a pin shaft.

[0034] The top center of the filter sieve plate 43 is provided with a discharge hopper 14. The top of the discharge hopper 14 is fixedly connected with the bottom of the heating tank body 11. The bottom of the heating tank body 11 is provided as an inclined surface. The left side of the discharge hopper 14 is rotatably connected with a discharge hopper valve 15. The discharge hopper valve 15 penetrates the outer surface of the left side of the assembly housing 41 and extends outward. The discharge hopper valve 15 is rotatably connected with the assembly housing 41.

[0035] The left and right sides of the heating tank 1 are fixedly connected with an inlet and outlet pipe. The inner surface of the top sealing flange 12 is fixedly connected with a circular ring lug 132. The bottom of the gear ring 31 is in contact with the top of the circular ring lug 132. The top of the gear ring 31 is in contact with the inner wall of the top of the heating tank top cover 131. The inner surface of the heating tank top cover 131 is fixedly connected with an annular lug. The outer surface of the gear ring 31 is provided with an annular groove. The annular lug of the heating tank top cover 131 and the annular groove of the outer surface of the gear ring 31 are mutually adapted. The top and bottom of the gear two 352 are provided with a circular ring recess. The top and bottom of the inner surface of the gear ring 31 are fixedly connected with a circular ring lug. The circular ring recess of the gear two 352 and the circular ring lug of the inner surface of the gear ring 31 are mutually adapted.

[0036] One specific application of the embodiment is: in use, first disconnect the heat supply tank 1 from the heat network, then inject hot water into the heat supply tank 1 through the inlet and outlet pipe on the left side of the heat supply tank body 11, then start the motor 21, which will drive the rotating shaft one 22 to rotate, when the rotating shaft one 22 rotates, it will drive the gear two 352 to rotate, and the gear two 352 will drive the three gear one 351 to rotate through meshing, and make the gear one 351 drive the gear ring 31 to rotate, so that the rotating shaft two 32 at the bottom of the gear ring 31 rotates synchronously with the rotating shaft one 22, when the rotating shaft two 32 rotates, it will drive the coupling two 33 to rotate, and the fixedly connected dirt removal scraper two 34 will remove the deposits on the inner wall of the heat supply tank body 11 while rotating, and the rotating shaft one 22 will drive the dirt removal scraper one 24 to rotate through the coupling one 23 when rotating, to remove the deposits on the inner wall of the heat supply tank body 11;

[0037] When the deposits on the inner wall of the heat supply tank body 11 are all removed, the discharge hopper valve 15 is opened, so that the waste water in the heat supply tank body 11 enters the filter assembly 4 from the discharge hopper 14, and the waste water will contact the filter screen plate 43 when entering the filter assembly 4, so as to separate the deposits in the waste water, and then flow into the hydraulic pump from the opening at the center of the bottom of the filter screen plate 43, and be pumped into the boiler for heating, so as to reduce the waste of water resources;

[0038] Finally, the shell hatch 42 is opened, and the deposits on the filter screen plate 43 are removed, and then the heat supply tank 1 is connected with the heat network again.

[0039] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The embodiments are selected and described in the specification in order to better explain the principles and practical applications of the application, so that the skilled in the art of heat supply system technology can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A centralized heating system sewage device, comprising a heating tank (1), the heating tank (1) comprises a heating tank body (11), the top of the heating tank body (11) is provided with a heating tank top cover (131), the center of the inside of the heating tank body (11) is provided with a cleaning assembly (2), characterized in that: the cleaning assembly (2) comprises a rotating shaft one (22), the outside of the rotating shaft one (22) is sleeved with an auxiliary assembly (3), the auxiliary assembly (3) comprises a gear ring (31), the center of the inside of the gear ring (31) is provided with a gear two (352), the inner surface of the gear two (352) is fixedly connected with the outer surface of the rotating shaft one (22), the outside of the gear two (352) is provided with three gear one (351), three gear one (351) are arranged in a circumferential array with the gear two (352) as the center, three gear one (351) are meshed and connected with the gear two (352), three gear one (351) are meshed and connected with the inner surface of the gear ring (31), the bottom of the gear ring (31) is fixedly connected with a rotating shaft two (32), the rotating shaft two (32) is sleeved outside the rotating shaft one (22), the inner surface of the rotating shaft two (32) is rotatably connected with the outer surface of the rotating shaft one (22), the outer surface of the rotating shaft two (32) is fixedly connected with a shaft coupling two (33), the side away from the shaft coupling two (33) of the shaft coupling two (33) is fixedly connected with a dirt scraping plate two (34), the outer surface of the dirt scraping plate two (34) is in contact with the inner surface of the heating tank body (11).

2. A dirt discharging device for a central heating system according to claim 1, wherein the top of the rotating shaft one (22) penetrates the center of the heating tank top cover (131) and extends outward, the outer surface of the rotating shaft one (22) is rotatably connected with the inner surface of the center of the heating tank top cover (131), the center of the top of the heating tank top cover (131) is fixedly connected with a motor (21), the output end of the bottom of the motor (21) is in the same horizontal line with the rotating shaft one (22), the output end of the bottom of the motor (21) is fixedly connected with the top of the rotating shaft one (22) through a shaft coupling, the outer surface of the bottom of the rotating shaft one (22) is sleeved with a shaft coupling one (23), the side away from the rotating shaft one (22) of the shaft coupling one (23) is fixedly connected with three dirt scraping plate one (24), three dirt scraping plate one (24) are arranged in a circumferential array with the shaft coupling one (23) as the center, the outer surface of the dirt scraping plate one (24) is in contact with the inner surface of the heating tank body (11).

3. A dirt discharging device for a central heating system according to claim 1, wherein The top of the heating tank body (11) is fixedly connected with the bottom of the heating tank top cover (131), and both of them are connected with sealing flanges (12), the two sealing flanges (12) are arranged in mirror image with the top of the heating tank body (11) as the center, the outer surface of the sealing flange (12) is fixedly connected with a screw rod special-shaped lug, the four special-shaped lugs of the sealing flange (12) are arranged in a circumferential array with the sealing flange (12) as the center, the center of the four special-shaped lugs of the sealing flange (12) is provided with a threaded hole, and the top of the heating tank body (11) is fixedly connected with the bottom of the heating tank top cover (131) through the threaded hole of the sealing flange (12) by using a bolt.

4. A dirt discharging device for a central heating system according to claim 3, wherein The lower part of the heating tank body (11) is provided with a filtering assembly (4), the filtering assembly (4) comprises an assembly shell (41), the top of the assembly shell (41) is provided with a circular groove, the inner surface of the circular groove of the assembly shell (41) is fixedly connected with the outer surface of the heating tank body (11), and the lower part of the heating tank body (11) is provided with a filtering sieve plate (43), the outer surface of the filtering sieve plate (43) is fixedly connected with the inner surface of the assembly shell (41).

5. A dirt discharging device for a central heating system according to claim 4, wherein The filtering assembly (4) comprises a shell hatch (42), the right side of the front of the shell hatch (42) is fixedly connected with a handle, the shell hatch (42) is arranged on the front of the assembly shell (41), the back of the shell hatch (42) is in contact with the front of the assembly shell (41), and the left side of the shell hatch (42) is rotatably connected with the left side of the assembly shell (41) through a pin shaft.

6. A dirt discharging device for a central heating system according to claim 5, wherein The top of the filtering sieve plate (43) is provided with a discharge hopper (14), the top of the discharge hopper (14) is fixedly connected with the bottom of the heating tank body (11), the bottom of the heating tank body (11) is provided as an inclined surface, the left side of the discharge hopper (14) is rotatably connected with a discharge hopper valve (15), the discharge hopper valve (15) penetrates the outer surface of the left side of the assembly shell (41) and extends outward, and the discharge hopper valve (15) is rotatably connected with the assembly shell (41).

7. A dirt discharging device for a central heating system according to claim 1, wherein The left and right sides of the heating tank (1) are fixedly connected with inlet and outlet pipes, the inner surface of the top sealing flange (12) is fixedly connected with a circular ring lug (132), the bottom of the gear ring (31) is in contact with the top of the circular ring lug (132), the top of the gear ring (31) is in contact with the inner wall of the top of the heating tank top cover (131), the inner surface of the heating tank top cover (131) is fixedly connected with an annular lug, the outer surface of the gear ring (31) is provided with an annular groove, the annular lug of the heating tank top cover (131) and the annular groove of the outer surface of the gear ring (31) are matched with each other, and the top and bottom of the gear two (352) are provided with circular annular grooves.

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