CN206347640U - A kind of positive and negative bidirectional flushing bridge-type pipeline of heating - Google Patents

Abstract

The utility model relates to a heating bridge pipeline for forward and reverse flushing. The bridge pipeline for forward and reverse flushing for heating includes a bridge pipeline and a flushing pipeline. The bridge pipeline is passed by four pipelines. The tees are connected end to end in sequence, the tees between two adjacent pipelines are the contacts, the four pipelines are opposite to each other, and a bridge solenoid valve is set on each pipeline, and the two bridge solenoid valves opposite form a bridge. One group is the forward flushing bridge solenoid valve, and the other group is the reverse flushing bridge solenoid valve; the four contacts are opposite to each other, and the two opposite contacts form a pair, and the inlet main pipe and the outlet main pipe are connected in bridge type At a pair of joints in the pipeline, the heating inlet main pipe and the heating outlet main pipe are connected to the other joint of the bridge; the heating water inlet pipes are connected to the heating inlet main pipe, and each heating water inlet pipe is equipped with a heating solenoid valve . The utility model can not only realize online flushing without disassembly of the surface-mounted heating system, but also can regularly maintain the floor heating pipeline with the main pipe.

Description

A kind of forward and reverse two-way flushing bridge pipeline for heating

Technical field:

The utility model relates to a flushing device for a heating pipe, in particular to a bridge type pipeline for forward and reverse flushing of a heating pipe.

Background technique:

The inconvenience caused by blockage of heating pipes and local blockage, as well as the potential safety hazards of the thermal system caused by this, are facts that users and heating companies must face, and at the same time, they also bury a lot of hidden dangers for the safe and effective operation of the entire heating system; With the introduction of the winter heating concept in the south, the use of water heating will be further expanded, and the impact of the above problems will also be further expanded.

Existing plumbing flushing must be disassembled before flushing with clean water. It is an offline method, which is not only time-consuming, troublesome, and laborious, but also the impurities, silt and other sediments after cleaning will pollute the environment; limited by the installation space of the heating pipe, especially It is very inconvenient to disassemble, clean, and reinstall the hidden surface-mounted heating after decoration; in the existing technology, washing and temperature control are artificially divided into two operations, it is difficult to clean the pipeline by yourself, and it is generally difficult to control the temperature. The family is even more out of reach.

Invention content:

The utility model provides a forward and reverse two-way flushing bridge pipeline for heating. The forward and reverse two-way flushing bridge pipeline for heating is used to solve the problem that current heating flushing cannot realize real-time, online, energy saving and environmental protection.

The technical solution adopted by the utility model to solve its technical problems is: the forward and reverse two-way flushing bridge pipeline of heating includes a bridge pipeline and a flushing pipeline, and the bridge pipeline is connected head to tail by four pipelines through a tee. Formation, the tee between two adjacent pipelines is the contact point, the four pipelines are opposite to each other, and a bridge solenoid valve is set on each pipeline, and the two bridge solenoid valves opposite form a group, and one group is Forward flushing bridge solenoid valve, the other group is reverse flushing bridge solenoid valve; the four contacts are opposite to each other, and the two opposite contacts form a pair, and the inlet main pipe and the outlet main pipe are connected to a pair of joints in the bridge pipeline On the top, the heating inlet main pipe and the heating outlet main pipe are connected to another butt joint point of the bridge; the heating water inlet pipes are connected to the heating inlet main pipe, and each heating water inlet pipe is equipped with a heating solenoid valve.

In the above solution, the inlet main pipe is also provided with an emptying solenoid valve.

The utility model has the following beneficial effects:

1. From the perspective of providing new tools, this utility model can not only realize online flushing without disassembly of surface-mounted heating, but also more conveniently realize temperature control and regular maintenance for floor heating pipelines that originally have a main pipe.

2. The utility model can also be applied to off-line maintenance: replace the electromagnetic valve in the bridge with a straight-through valve, which can be connected to the outlet of the heating pipe for simple flushing at any time.

3. Although the utility model is designed based on individual needs and comprehensively considering the requirements of convenience, convenience, safety and low cost, if adding filters and booster pumps and improving heating conditions, it will save water and Effectively dredging the pipeline network and ensuring the safe operation of the pipeline network can also play a certain role in guarantee.

4. The utility model can not only realize manual operation, but also adopt temperature sensor sampling and controller to control the orderly action of solenoid valve, so as to achieve a pipeline structure of real-time and online control of flushing and temperature control.

Description of drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the actual installation diagram of the utility model.

In the figure: 1 No. 1 solenoid valve, 2 No. 2 solenoid valve, 3 No. 3 solenoid valve, 4 No. 4 solenoid valve, 5 Empty solenoid valve, 6 The first group of heating solenoid valve, 7 The Nth group of heating solenoid valve, 8 The first group of radiators, the 9th group of N radiators, the 10 inlet main pipe, the 11 outlet main pipe, the 12 inlet main pipe, and the 13 outlet main pipe.

detailed description:

Below in conjunction with accompanying drawing, the utility model will be further described:

As shown in Figure 1 and Figure 2, this kind of heating forward and reverse two-way flushing bridge pipeline includes a bridge pipeline and a flushing pipeline. The tee between the two pipelines is the contact point, and the four pipelines are opposite to each other. A bridge solenoid valve is installed on each pipeline. The two opposite bridge solenoid valves form a group, and one group is the forward flushing bridge. Solenoid valves, this group of forward flushing bridge solenoid valves consists of No. 1 solenoid valve 1 and No. 4 solenoid valve 4, No. 1 solenoid valve 1 is the inlet solenoid valve, No. 4 solenoid valve 4 is the outlet solenoid valve; the other group is Reverse flushing bridge solenoid valve, the group of reverse flushing bridge solenoid valves consists of No. 2 solenoid valve 2 and No. 3 solenoid valve 3, No. 2 solenoid valve 2 is the inlet solenoid valve, and No. 3 solenoid valve 3 is the outlet solenoid valve The four contact points are opposite in pairs, and the two opposite contacts form a pair. The inlet main pipe 10 and the outlet main pipe 11 are connected to a pair of joint points of the bridge pipeline, and the heating inlet main pipe 12 and the heating outlet main pipe 13 are connected to the bridge road. on the other docking point.

The inlet main pipe 10 is provided with an emptying electromagnetic valve 5, the first group of radiators 8 to the Nth group of radiators 9 are connected in parallel between the inlet main pipe 12 and the outlet main pipe 13, and the water inlet pipe of the first group of radiators 8 The first group of heating solenoid valves 6 are connected, and the Nth group of heating solenoid valves 7 are connected to the water inlet pipe of the N group of radiators 9 . The flushing pipeline includes the heating inlet main pipe 12, the heating outlet main pipe 13, each group of heating and corresponding water inlet pipes, each heating solenoid valve, and the emptying solenoid valve 5. The flushing pipeline can be connected by metal or non-metallic straight pipes, elbows, tees, and flexible hoses.

Two groups of solenoid valves on the opposite side of the bridge pipeline act at the same time, and one pair is conducting and the other pair is immediately cut off, that is, a group of positive flushing bridge solenoid valves (No. 1 solenoid valve 1, No. 4 solenoid valve 4) Simultaneous action, another group of reverse flushing bridge electromagnetic valves (No. 2 electromagnetic valve 2, No. 3 electromagnetic valve 3) cut off immediately, to realize the function similar to the bridge circuit rectification in the electronic circuit.

The bridge solenoid valve on the bridge pipeline controls the flow direction of the water flow in the bridge pipeline: the solenoid valves on the opposite side are turned on and off in pairs, so that the water flowing in one direction can be flushed back and forth to achieve the purpose of flushing the pipeline; The heating solenoid valve on the radiator water inlet pipe is controlled by the controller to be turned on and off, which can realize the purpose of flushing a group of radiators each time to improve the flushing efficiency; the emptying solenoid valve 5 drains the air in the pipeline to Eliminate the influence of residual gas on heat transfer. Above-mentioned each electromagnetic valve can adopt two-position two-way electromagnetic valve, two-position three-way electromagnetic valve, two-position four-way electromagnetic valve, two-position five-way electromagnetic valve.

The working principle of the utility model is: to change the direction of water flow through the bridge pipeline, so that the pipeline can realize flushing in two opposite directions, and cooperate with emptying at the same time to realize the purpose of flushing and temperature control.

The dynamic working process of the utility model: close the No. 2 solenoid valve 2 and the No. 3 solenoid valve 3 of a group of opposite sides in the bridge pipeline, and open the No. 1 solenoid valve 1 and No. 1 solenoid valve of the other group of opposite sides in the bridge pipeline at the same time. No. 4 solenoid valve 4, and then open the first group of heating solenoid valves 6, the hot water enters from the inlet main pipe 10, and enters the first group of radiators through No. 1 solenoid valve 1 and the first group of heating solenoid valves 6 of the bridge pipeline. 8 for flushing. After the flushing is completed, it is exported from the outlet main pipe 13, flows out through the No. 4 solenoid valve 4 of the bridge pipeline, and flows out from the outlet main pipe 11 to complete the positive flushing of the first group of radiators 8; close the bridge pipeline One group of solenoid valve 1 and No. 4 solenoid valve 4 on the opposite side in one group, simultaneously open the No. 2 solenoid valve 2 and No. 3 solenoid valve 3 on the other side of the bridge pipeline, and then turn on the first group of heating solenoid valves. Valve 6, the hot water supply enters from the inlet main pipe 10, and enters the first group of radiators 8 through the No. 2 solenoid valve 2 and outlet main pipe 13 of the bridge pipeline for flushing. The No. 3 electromagnetic valve 3 of the bridge pipeline flows out, and flows out by the outlet main pipe 13. Repeat the above process to realize the forward and reverse flushing of the remaining radiators. During the cycle flushing process, periodically open the emptying valve to empty, so as to remove the air in the pipeline and enhance the heat exchange effect.

Claims (2)

1. a kind of positive and negative bidirectional flushing bridge-type pipeline of heating, it is characterised in that：This positive and negative bidirectional flushing bridge-type pipeline of heating Including bridge-type pipeline and flushing line, bridge pipe route four pipelines and is sequentially connected from head to tail to form by threeway, two neighboring pipe Threeway between line is contact, and four pipelines are relative two-by-two, and a bridge magnetic valve, two relative bridges are set on every pipeline Way solenoid valve constitutes one group, and one group is rinsed bridge magnetic valve to be positive, and another group is back flush bridge magnetic valve；Four contacts Relative two-by-two, two relative contacts are constituted a pair, and inlet manifold (10) and outlet header (11) are connected to bridge-type pipeline a pair On contact, heating entrance main pipe (12) and heating outlet main pipe (13) are connected on another docking point of bridge；Heating oral siphon is equal It is connected in heating entrance main pipe (12), heating magnetic valve is equipped with each heating oral siphon.

2. the positive and negative bidirectional flushing bridge-type pipeline of heating according to claim 1, it is characterised in that：Described entrance main pipe (12) it is additionally provided with emptying solenoid valve (5).