CN217929954U

CN217929954U - Automatic anti-blocking device for heat exchange station

Info

Publication number: CN217929954U
Application number: CN202222180587.1U
Authority: CN
Inventors: 刘昌洋; 张宝军; 申友程; 李栋; 许子琦; 赵伟; 孙振强
Original assignee: Linyi Hengyuan Intelligent Technology Co ltd
Current assignee: Linyi Hengyuan Intelligent Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-11-29
Anticipated expiration: 2032-08-18

Abstract

The application discloses an automatic anti-blocking device for a heat exchange station, which belongs to the field of heating devices and is used for the heat exchange station, wherein the anti-blocking device comprises a filtering cylinder body with an inlet pipe and an outlet pipe; the bottom end of the filtering cylinder is provided with an opening and is connected with a bottom cover, the filtering cylinder is connected with a top cover, the top cover is also connected with a filtering net body at an inlet of the outlet pipe, the filtering net body comprises longitudinal supporting plates, the bottom ends of the longitudinal supporting plates are fixed on the bottom plate, the longitudinal supporting plates are connected with a plurality of annular supporting plates, and an inner filtering net and an outer filtering net are respectively arranged between the adjacent longitudinal supporting plates; the steam cleaning hole is formed in the filtering barrel and is fixedly connected with the steam nozzle, the steam nozzle is distributed on the steam cleaning pipeline, and the steam cleaning pipeline is coaxially arranged with the filtering barrel and is communicated with the steam inlet pipe. This application can realize the effect of preventing blockking up in heat exchange station under the non-shutdown maintenance through leading a plurality of filter equipment of parallelly connected, and realizes automatic the washing through the measurement of flow meter.

Description

Automatic anti-blocking device for heat exchange station

Technical Field

The utility model belongs to the heating device field, specifically speaking especially relates to a heat transfer station is with automatic anti-clogging device.

Background

In the heat supply pipeline, the heat exchange station is generally used for exchanging the heat source in the primary pipe network to the secondary heat supply pipeline, and is generally commonly found at the joint position of the main heat supply pipeline and the residential area pipe network. However, when there are impurities in the fluid or there is some adhesion of the fluid during the fluid transportation process, it is easy to cause the heat exchanger in the heat exchange station to be blocked, which affects the normal operation of the heat exchanger.

In order to solve the problems, the chinese patent application publication No. CN113091483A discloses a visual temperature compensation efficient anti-blocking heat exchanger, which comprises a visual control box, a pair of tube plates, a plurality of heat transfer tubes, a plurality of ultrasonic conduction rods and a plurality of temperature compensation rings, through a first tube box, a shell and a second tube box which are connected in sequence; the pair of tube plates are fixedly connected between the shell and the first tube box and between the shell and the second tube box respectively; the heat transfer pipes are positioned in the shell and fixedly connected between the pair of tube plates, and the first tube box and the second tube box are communicated through the heat transfer pipes; a plurality of ultrasonic conduction rods are inserted in the shell and are in contact with the heat transfer pipe; the temperature compensation rings are fixedly connected to the inner wall of the shell; the visual control box is installed on the shell and used for controlling the working states of the ultrasonic conduction rod and the temperature compensation ring. Chinese patent application publication No. CN113091483A aims at directly conducting ultrasonic energy to the inside of the heat exchanger, directly performing ultrasonic cleaning anti-blocking treatment on the inside of the heat exchanger, ensuring comprehensiveness of cleaning anti-blocking treatment, visually adjusting ultrasonic intensity, realizing temperature compensation, and greatly improving the effect of ultrasonic anti-blocking.

However, in actual use, the heat exchange station is not likely to stop to perform anti-blocking cleaning treatment on the heat exchanger, and impurities after cleaning treatment are not allowed to enter a secondary pipe network. Although the ultrasonic cleaning has a good cleaning effect, the ultrasonic cleaning still belongs to a post-treatment mode, a filter device arranged in front of the inlet of the heat exchange device is considered, and the heat exchange fluid is filtered through the filter device, so that the problem of shutdown is not required to be considered, the cost is relatively low, and the stability is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat transfer station is with automatic anti-clogging device, it can realize through leading a plurality of filter equipment of parallelly connected that the non-machine halt overhauls the heat transfer station under prevent the effect of blockking up, and realizes automatic the washing through the measurement of flow meter.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the automatic anti-blocking device for the heat exchange station comprises a plurality of branch pipelines connected in parallel, wherein the branch pipelines are respectively connected with a heat supply pipeline in series, an automatic control valve is arranged on the branch pipelines, the branch pipelines are connected with an anti-blocking device in series through gauge components, the anti-blocking device comprises a filtering barrel body, the filtering barrel body is provided with an inlet pipe and an outlet pipe which are connected with the branch pipelines, and the inlet pipe and the outlet pipe are respectively communicated with the inside of the filtering barrel body; the bottom end of the filtering cylinder body is provided with an opening and is connected with a bottom cover, the top end of the filtering cylinder body is provided with an opening and is connected with a top cover, the top cover and the outlet pipe are fixed into a whole, the top cover is also connected with a filtering net body at the inlet of the outlet pipe, the filtering net body comprises longitudinal supporting plates, the longitudinal supporting plates are uniformly distributed around the central axis of the filtering cylinder body, the bottom end of each longitudinal supporting plate is fixed on the bottom plate, a plurality of annular supporting plates distributed along the length direction of the longitudinal supporting plates are arranged inside the longitudinal supporting plates, an inner filtering net and an outer filtering net are respectively arranged between the adjacent longitudinal supporting plates, and the inner filtering net and the outer filtering net are coaxially arranged; the steam cleaning hole has been seted up on the filter cylinder body, steam cleaning hole and steam nozzle fixed connection, and steam nozzle distributes on the steam cleans the pipeline, and the steam cleans the pipeline and filters the coaxial setting of cylinder body and advance the pipe intercommunication with steam.

Preferably, the longitudinal support board in this application from the top downward processing have the caulking groove that can imbed the annular support board, the hookup location department of annular support board and longitudinal support board is provided with fastening screw, the filtration pore aperture of outer filter screen is greater than the filtration pore aperture of interior filter screen.

Preferably, a sealing bearing seat is arranged on the bottom cover, a shaft body is arranged in the sealing bearing seat, and the shaft body is coaxial with the central axis of the filtering cylinder body; a helical blade is arranged at the position of the shaft body inside the filter screen body; the shaft body is connected with a driving wheel at the bottom end extending out of the sealing bearing seat.

Preferably, the position department of filtering the barrel and being connected with the bottom in this application is provided with barrel toper end, filter the barrel and still fixedly be provided with the barrel connecting plate in the position department of being close to barrel toper end, be provided with a plurality of connecting holes on the barrel connecting plate, have on the barrel connecting plate between the adjacent connecting hole with filter the fixed strengthening rib that sets up of barrel.

Preferably, the import pipe in this application is in the middle part position of filtering the barrel and is sent into the cartridge filter with heat transfer medium along the tangent line, steam cleans the pipeline and is located the both sides of import pipe, and adjacent steam cleans the pipeline and all enters the pipe intercommunication with steam.

Preferably, in this application the bottom of top cap distribute in the entry position punishment of outlet pipe has a plurality of top cap connecting piece, and top cap connecting piece is fixed as an organic whole with the top cap, just top cap connecting piece pass through fastening screw with longitudinal support plate connects.

Preferably, the bottom cover in this application on communicate with the blow off pipe, have the automatic control blowoff valve who realizes the break-make function on the blow off pipe.

Preferably, the conical end of the barrel is provided with a blow-off pipe communicated with the interior of the barrel, and the blow-off pipe is provided with a self-control blow-off valve for realizing the on-off function.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an at the import pipe, the delivery pipe punishment is established ties respectively and is surveyed the strapping table subassembly, judge through the flow difference value of strapping table subassembly whether normal work of filtering the barrel, carry out steam to the filtering net body that takes place to block up then and clean, because the filtering net body is established ties on the lateral line parallelly connected with the heat supply pipeline, consequently the normal work that can not influence the anti-clogging device on all the other parallel lateral lines is cleaned to single anti-clogging steam of filtering net body, realize the anti-clogging operation under the leading non-shutdown maintenance state of heat transfer station then.

Drawings

Fig. 1 is a front view of embodiment 1 of the present invention.

Fig. 2 is a plan view of embodiment 1 of the present invention.

Fig. 3 is a sectional view of B-B in fig. 2.

Fig. 4 is a first perspective view of embodiment 2 of the present invention.

Fig. 5 is a second perspective view of embodiment 2 of the present invention.

Fig. 6 is a plan view of embodiment 2 of the present invention.

Fig. 7 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 6.

Fig. 8 is a schematic structural view of the filter screen body of the present invention.

Fig. 9 is a schematic view of the pipe network structure of the present invention.

In the figure: 1. a branch line; 2. a meter assembly; 3. an outlet pipe; 4. outlet pipe reinforcing ribs; 5. a top cover; 6. a filter cylinder; 7. cleaning a pipeline by steam; 8. a steam inlet pipe; 9. a cylinder connecting plate; 10. a barrel tapered end; 11. a bottom cover; 12. a steam nozzle; 13. an inlet pipe; 14. sealing the bearing seat; 15. a drive wheel; 16. a shaft body; 17. a helical blade; 18. an outer filter screen; 19. an inner filter screen; 20. a longitudinal support plate; 21. an annular support plate; 22. a top cover connector; 23. a sewage discharge pipe.

I. A heat supply pipeline; II. An anti-clogging device.

Detailed Description

The technical solution of the present invention will be further described and explained with reference to the accompanying drawings. The terms of orientation used in the detailed description are merely provided to facilitate a person skilled in the art to understand the technical solutions described in the present application according to the visual orientations shown in the drawings. Unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and their specific meanings in the present disclosure may be understood by those skilled in the art as appropriate.

Example 1

An automatic anti-blocking device for a heat exchange station comprises a heat supply pipeline I and an anti-blocking device II installed on the heat supply pipeline I, wherein the anti-blocking device II comprises a plurality of filtering cylinder bodies 6, an inlet pipe 13 which is integrated with and communicated with the filtering cylinder bodies 6 is arranged at the position of a tangent line at the middle part of the filtering cylinder bodies 6, the inlet pipe 13 is connected with branch pipelines 1 in series, a self-control valve is arranged on each branch pipeline 1, the branch pipelines 1 which are connected with the adjacent filtering cylinder bodies 6 in series are connected in parallel, and the branch pipelines 1 are connected with the heat supply pipeline in series; the hollow cylindrical structure of the filtering cylinder 6 is characterized in that a cylinder conical end 10 integrated with the filtering cylinder 6 is arranged at the bottom end of the filtering cylinder 6, and a bottom cover 11 for plugging is connected to an opening at the bottom end of the cylinder conical end 10. The top of filtering the barrel 6 is connected with top cap 5, and the bottom of top cap 5 is connected with the filter screen body through top cap connecting piece 22, and the filter screen body sets up with filtering the barrel 6 is coaxial.

The filter screen body is including a plurality of longitudinal support plate 20 around 6 central axis equipartitions of filter cylinder body, and longitudinal support plate 20 has from last caulking groove of processing down, has placed a plurality of annular support plate 21 that set up along its length direction in the caulking groove, and annular support plate 21 passes through fastening screw and is connected with longitudinal support plate 20 and constitute the skeleton texture of filter screen body. An inner filter screen 19 and an outer filter screen 18 are fixedly connected between the adjacent longitudinal support plates 20, the inner filter screen 19 and the outer filter screen 18 are coaxially arranged, and the inner filter screen and the outer filter screen are circular arc filter screens with a plurality of filter holes. The inner diameter of the filtering holes of the inner filter screen 19 is smaller than that of the filtering holes of the outer filter screen 18.

An outlet pipe 3 is connected to the position of a top cover 5 in a space surrounded by the filter screen body, and a plurality of outlet pipe reinforcing ribs 4 are arranged at the connecting position of the outlet pipe 3 and the top cover 5. The outlet pipe 3 is connected in series with the corresponding branch pipeline 1, the branch pipelines 1 connected in series with the outlet pipe 3 are in parallel and are respectively connected in series with the heat supply pipeline, and the branch pipelines 1 are provided with automatic control valves.

Filter barrel 6 and distribute a plurality of steam cleaning holes in the position punishment of the top of import pipe 13, below, steam cleaning hole and the steam nozzle 12 intercommunication that corresponds, steam nozzle 12 is located on the steam cleaning pipeline 7, steam cleaning pipeline 7 is the ring pipeline with filter barrel 6 coaxial setting, just steam cleaning pipeline 7 all advances the pipe 8 intercommunication with steam, steam advances to be provided with the automatic control valve on the pipe 8.

Example 2

An automatic anti-blocking device for a heat exchange station is characterized in that a sealing bearing seat 14 is arranged on a bottom cover 11, a shaft body 16 is arranged in the sealing bearing seat 14, the bottom end of the shaft body 16 is located below a bottom rod 11 and is fixedly connected with a driving wheel 15, and the driving wheel 15 can be connected with a power input device through a driving belt.

The shaft body 16 stretches into the position of the filtering cylinder 6 and is fixedly connected with a helical blade 17, and the helical blade 17 is positioned inside the filtering cylinder 6.

Filter barrel 6 and locate fixedly connected with barrel connecting plate 9 near barrel cone end 10, seted up the connecting hole on the barrel connecting plate 9, be provided with the strengthening rib between barrel connecting plate 9 between the adjacent connecting hole and the filter barrel 6, the strengthening rib is around the central axis equipartition that filters barrel 6. Barrel connecting plate 9 can realize being connected with external support through the connecting hole, realize then the support operation to filtering barrel 6 for the drive wheel 15 and the axis body 16 that are located filtering barrel 6 bottom possess sufficient operating space.

The outlet pipe 3 and the inlet pipe 13 are provided with meter assemblies 2 at the connecting positions with the branch pipeline 1, and the meter assemblies 2 are used for metering the flow of the fluid entering the outlet pipe 3 and the inlet pipe 13 through the branch pipeline 1.

The structure and connection relationship of the rest parts are the same as those described in any of the foregoing embodiments, and are not described herein again to avoid the tedious text.

On the basis of the above embodiments, the present invention proceeds with detailed descriptions of technical features and functions thereof, so as to help those skilled in the art fully understand the technical solution of the present invention and reproduce it.

Referring to example 1, in the absence of meter assembly 2, the anti-jam operation can be performed by way of timed cleaning. Firstly, a closing instruction needs to be sent to the automatic control valve on the branch pipeline 1 to be cleaned through a controller or a control box, and the automatic control valve on the branch pipeline 1 closes the valves at the positions of the inlet pipe 13 and the outlet pipe 3 after receiving the instruction. Then the self-control blow-down valve on the bottom cover 11 is opened, so that the water in the filtering cylinder 6 is discharged through the blow-down pipe 23, and the subsequent steam cleaning is convenient.

After that, the automatic control valve on the steam inlet pipe 8 is opened, the steam enters the steam cleaning pipeline 7 with an annular structure from the steam inlet pipe 8 and then enters the filtering cylinder 6 through the steam nozzle 12, and the steam nozzle 12 surrounds the filtering cylinder 6, so that the fed steam can clean the filtering cylinder in the filtering cylinder 6 at a large angle, and impurities deposited on the filtering cylinder are separated from the outer filtering net 18 and the inner filtering net 19 and discharged through the drain pipe 23. After the steam cleaning reaches the set time, the automatic control valve on the steam inlet pipe 8 and the automatic control drain valve on the drain pipe 23 are closed, and the automatic control valve on the branch pipeline 1 is opened.

Referring to embodiment 2, when containing the strapping table subassembly 2, the strapping table subassembly 2 of accessible outlet pipe 3, import pipe 13 position department realizes measuring flowing out, the fluid medium that flows in, when the strapping table subassembly 2 of outlet pipe 3, import pipe 13 reached and sets for the difference, closes the automatic control valve on the lateral line 1, opens the blow off pipe 23 that is located on barrel cone 10, and the automatic control blow off valve on the blow off pipe 23 is opened, will filter the interior sewage discharge of barrel 6.

In embodiment 2, the spiral blade 17 can rotate with the shaft body 16 through the input power before the self-control blow-down valve on the blow-down pipe 23 is opened, and then the fluid in the filtering cylinder 6 is stirred to reversely clean the inner filter screen 19 and the outer filter screen 18 for a period of time, so that the impurity on the inner filter screen 19 and the outer filter screen 18 is loosened, and the subsequent steam cleaning is facilitated.

Referring to fig. 8, the filter screen body in the present invention includes the longitudinal support plate 20, the annular support plate 21 that constitute the framework structure, the outer filter screen 18, the inner filter screen 19 that are circular arc shape are provided between the adjacent longitudinal support plate 20, the bottom end fixed connection of the longitudinal support plate 20 is on the bottom plate, the bottom plate is a circular plate body, and the through hole for the axis body 16 to pass can be processed.

Finally, although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such descriptions are merely for clarity and should be taken as a whole by those skilled in the art, and the embodiments may be combined as appropriate to form other embodiments as would be understood by those skilled in the art.

Claims

1. The utility model provides a heat transfer station is with automatic anti-clogging device, includes a plurality of parallelly connected branch pipeline (1), and branch pipeline (1) establishes ties with heat supply pipeline (I) respectively be provided with the automatic control valve on branch pipeline (1), branch pipeline (1) establishes ties through strapping table subassembly (2) has anti-clogging device (II), its characterized in that: the anti-blocking device (II) comprises a filtering cylinder body (6), the filtering cylinder body (6) is provided with an inlet pipe (13) and an outlet pipe (3) which are connected with the branch pipeline (1), and the inlet pipe (13) and the outlet pipe (3) are respectively communicated with the inside of the filtering cylinder body (6); the bottom end opening of the filtering cylinder body (6) is connected with a bottom cover (11), the top end opening of the filtering cylinder body (6) is connected with a top cover (5), the top cover (5) and the outlet pipe (3) are fixed into a whole, the top cover (5) is further connected with a filtering net body at the inlet of the outlet pipe (3), the filtering net body comprises longitudinal supporting plates (20), the longitudinal supporting plates (20) are uniformly distributed around the central axis of the filtering cylinder body (6), the bottom ends of the longitudinal supporting plates (20) are fixed on a bottom plate, a plurality of annular supporting plates (21) distributed along the length direction of the longitudinal supporting plates (20) are arranged in the longitudinal supporting plates (20), an inner filtering net (19) and an outer filtering net (18) are respectively arranged between the adjacent longitudinal supporting plates (20), and the inner filtering net (19) and the outer filtering net (18) are coaxially arranged; the steam cleaning hole is formed in the filtering cylinder body (6), the steam cleaning hole is fixedly connected with the steam nozzle (12), the steam nozzle (12) is distributed on the steam cleaning pipeline (7), and the steam cleaning pipeline (7) is coaxially arranged with the filtering cylinder body (6) and is communicated with the steam inlet pipe (8).

2. An automatic anti-clogging device for heat exchange stations, according to claim 1, characterized in that: longitudinal support plate (20) from the top downward processing have the caulking groove that can imbed annular support plate (21), and the hookup location department of annular support plate (21) and longitudinal support plate (20) is provided with fastening screw, the filtration pore aperture of outer filter screen (18) is greater than the filtration pore aperture of interior filter screen (19).

3. An automatic anti-clogging device for a heat exchange station, according to claim 1, characterized in that: a sealing bearing seat (14) is arranged on the bottom cover (11), a shaft body (16) is arranged in the sealing bearing seat (14), and the shaft body (16) is coaxial with the central axis of the filtering cylinder body (6); a helical blade (17) is arranged at the position of the shaft body (16) in the filter screen body; the shaft body (16) is connected with a driving wheel (15) at the bottom end extending out of the sealing bearing seat (14).

4. An automatic anti-clogging device for heat exchange stations, according to claim 3, characterized in that: the filtering cylinder body (6) is provided with a cylinder body conical end (10) at the position connected with the bottom cover (11), the filtering cylinder body (6) is further fixedly provided with a cylinder body connecting plate (9) at the position close to the cylinder body conical end (10), the cylinder body connecting plate (9) is provided with a plurality of connecting holes, and reinforcing ribs fixedly arranged with the filtering cylinder body (6) are arranged on the cylinder body connecting plate (9) between the adjacent connecting holes.

5. An automatic anti-clogging device for heat exchange stations, according to claim 1, characterized in that: the inlet pipe (13) sends heat exchange media into the filtering cylinder body (6) along a tangent line at the middle position of the filtering cylinder body (6), the steam cleaning pipelines (7) are located on two sides of the inlet pipe (13), and the adjacent steam cleaning pipelines (7) are communicated with the steam inlet pipe (8).

6. An automatic anti-clogging device for heat exchange stations, according to claim 1, characterized in that: the bottom of top cap (5) has a plurality of top cap connecting pieces (22) at the entry position punishment of outlet pipe (3) of having distributed, and top cap connecting piece (22) are fixed as an organic whole with top cap (5), just top cap connecting piece (22) pass through fastening screw with vertical backup pad (20) are connected.

7. An automatic anti-clogging device for heat exchange stations, according to any one of claims 1, 2, 5 and 6, characterized in that: and a drain pipe (23) is communicated with the bottom cover (11), and a self-control drain valve for realizing the on-off function is arranged on the drain pipe (23).

8. An automatic anti-clogging device for a heat exchange station, according to claim 4, characterized in that: a drain pipe (23) communicated with the interior of the barrel is arranged on the conical end (10) of the barrel, and a self-control drain valve for realizing the on-off function is arranged on the drain pipe (23).