CN214890537U - Quick switching system for pipeline flushing and filtering - Google Patents

Abstract

The application relates to a quick switching system for pipeline flushing and filtering, which relates to the field of building installation and comprises a bypass pipeline prefabricated in advance, a temporary filter and a temporary bypass; spiral exhaust dirt collector department sets up the by-pass line and carries out the short circuit, end equipment is provided with the by-pass line and carries out the short circuit, interim bypass is installed refrigerating unit's import and export pipeline section department carries out the short circuit, install interim filter before flush pump's the sunction inlet, spiral exhaust dirt collector's water inlet department also is provided with interim filter. The application has the effect of improving the switching speed and quality of the temporary pipeline and the formal pipeline when the air conditioner water system is washed.

Description

Quick switching system for pipeline flushing and filtering

Technical Field

The present application relates to the field of architectural installation, and more particularly, to a fast switching system for pipeline flushing and filtering.

Background

After the pipeline hydrostatic test is qualified, the pipeline system is flushed, garbage, welding slag and iron rust caused during the internal construction of the pipeline are flushed, smooth water flow in the pipeline is guaranteed, and a water pump and a coil pipe in the system are protected from being damaged.

Generally, when a central air-conditioning system air-conditioning water pipeline is flushed, a filter is required to be installed in front of a flushing water pump to filter and remove welding slag and garbage in the pipeline; a bypass pipe is arranged to bypass the refrigerating unit, the air conditioning unit and other equipment; in the existing project, as the spiral exhaust dirt collector is arranged on the main pipeline, a filtering and dirt removing device in front of each water pump suction inlet is eliminated, and the traditional construction mode is to cut and remove the pipeline at the front end of the water pump suction inlet and install a temporary filter; and for the pipeline at the front end of the refrigerating unit, the pipeline connected with the refrigerating unit is removed, a blind plate is installed for plugging, an opening is cut on the pipeline, and the temporary bypass pipe is connected in a welding manner.

Aiming at the related technologies, the inventor proposes that the traditional temporary filtering and bypass means are adopted, the finished product pipeline which is installed and pressed can be damaged, the newly-added welded junction has the risk of water leakage, the generated welding slag is easy to enter a refrigerating unit when the temporary filtering and bypass pipeline is dismantled and the formal pipeline section is installed, the risk of damage of the refrigerating unit is increased, and a large amount of manpower, time and cost are consumed for pipeline cutting dismantling, temporary pipeline section welding, temporary pipeline section dismantling and formal pipeline section welding.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems that a large amount of manpower, time and cost are needed to be spent on the technical problems that the traditional temporary filtering and bypass means can damage a finished product pipeline which is installed and pressed, the water leakage risk exists in a newly-added welding port, when the temporary filtering and bypass pipeline is dismantled and a formal pipeline section is installed, produced welding slag easily enters a refrigerating unit, the damage risk of the refrigerating unit is increased, the pipeline is cut and dismantled, the temporary pipeline section is welded, the temporary pipeline section is dismantled and the formal pipeline section is welded, and the pipeline is washed and filtered.

The application provides a quick switching system for pipeline washing is filtered adopts following technical scheme:

a quick switching system for pipeline flushing and filtering comprises a bypass pipeline prefabricated in advance, a temporary filter and a temporary bypass; spiral exhaust dirt collector department sets up the by-pass line and carries out the short circuit, end equipment is provided with the by-pass line and carries out the short circuit, interim bypass is installed refrigerating unit's import and export pipeline section department carries out the short circuit, install interim filter before flush pump's the sunction inlet, spiral exhaust dirt collector's water inlet department also is provided with interim filter.

By adopting the technical scheme, when the pipeline is washed, impurities in water flow can be filtered and cleaned at the temporary filter through the temporary filter at the water pump suction inlet, the washing water pump is protected, the washing water pump is prevented from being damaged, and after washing is finished, the temporary filter is replaced by a formal pipe section prefabricated in advance; when the spiral exhaust dirt collector is washed, the valve at the dirt collector is closed firstly, so that water flow bypasses the spiral exhaust dirt collector and flows through the bypass pipeline, large particle impurities in the water flow are prevented from flowing into the spiral exhaust dirt collector, the spiral exhaust dirt collector is not easy to clean, and the spiral exhaust dirt collector is protected; during flushing, flushing water flows through the temporary bypass pipe in front of the refrigerating unit, and after flushing is finished, the temporary bypass pipe section is replaced by a prefabricated formal pipe section, so that measures such as main pipe tapping, bypass pipe welding, bypass pipe cutting, main pipe weld joint repair, paint repair and the like are avoided, and the switching efficiency of the temporary pipeline and the formal pipeline during flushing is improved; the prefabricated formal pipe section and the temporary pipe section are designed and prefabricated simultaneously, the construction is carried out in parallel with the site construction, and the site assembly is realized through the prefabrication, so that the pipe section can be quickly disassembled after the flushing is finished.

Optionally, all temporary pipelines are designed and prefabricated at the same time by defining the replacement forms of the temporary pipelines and the formal pipelines at the pipeline prefabricating stage.

By adopting the technical scheme, the flushing can be quickly switched after the flushing is finished, the time for preparing before the flushing and switching to a formal system after the flushing is reduced, and the construction period is shortened.

Optionally, the temporary bypass includes a first elbow, a second elbow, and a connecting pipe; the connecting pipe sets up first elbow with between the second elbow, first elbow with the inlet tube connection of refrigerating unit, the second elbow with the wet return connection of refrigerating unit.

Through adopting above-mentioned technical scheme, keep apart refrigerating unit through using first elbow and second elbow, prevent that sewage from flowing into refrigerating unit for refrigerating unit is not contaminated, still makes operation process simplify simultaneously.

Optionally, a drain pipe is installed on the water collector, and a valve is arranged at the end of the drain pipe.

Through adopting above-mentioned technical scheme, adopt the principle that closed circulation washed during washing, wash limit moisturizing limit sluicing promptly, when excreteing sewage, open the sewage discharge that the valve made in the pipeline for easy operation when sluicing.

Optionally, an installation space is provided on the pipeline in front of the suction port of the washing water pump, the installation space of the temporary filter is considered during prefabrication design, and a corresponding temporary short pipe is prefabricated according to the length of the prefabricated formal pipeline and the actual length of the temporary filter.

By adopting the technical scheme, after the filtration is finished, the temporary filter is disassembled and replaced by the formal pipe section, so that the switching process is accelerated, and the time for switching to the formal system before and after the preparation and the flushing are reduced.

Optionally, when the temporary bypass is prefabricated, two sections of formal connection pipe sections are prefabricated, and after the temporary bypass is washed, the temporary bypass is removed, wherein one section of formal connection pipe section connects a water inlet pipe of the refrigerating unit with the refrigerating unit through a flange, and the other section of formal connection pipe section connects a water return pipe of the refrigerating unit with the refrigerating unit through a flange.

By adopting the technical scheme, the measures of tapping of the main pipe, welding of the bypass pipe, cutting of the bypass pipe, repairing of the main pipe welded junction, paint repair and the like are avoided, and the switching efficiency of the temporary bypass and the formal connection pipe section during flushing is improved.

Optionally, flanges are arranged at the end parts of the bypass pipeline prefabricated in advance and the temporary bypass, and the bypass pipeline and the temporary bypass are connected with the pipeline through the flanges.

By adopting the technical scheme, the bypass pipeline and the temporary bypass are connected through the flange, the phenomenon that welding seams and welding slag are generated due to the disassembly of the temporary pipeline section and the installation of the formal pipeline section is avoided, the water leakage risk is reduced, and the welding slag is generated in the pipeline after flushing is avoided.

Optionally, the quick switching system is not limited to an air conditioner cold water system, but can also be applied to an air conditioner hot water system, and when the quick switching system is applied to the air conditioner hot water system, the refrigerating unit is a plate heat exchanger.

By adopting the technical scheme, the pipeline flushing and filtering quick switching system is suitable for various conditions, and the applicability is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the bypass pipeline, the temporary filter and the temporary bypass are manufactured in a processing plant, can be carried out in parallel with field construction, can be assembled on site through prefabrication, and can be quickly switched after flushing is finished, so that the time for preparing before flushing and switching to a formal system after flushing is reduced, the construction period is shortened, and the influence of insufficient field operation surface in a machine room is reduced;

2. the pipe sections are connected through the flange bolts, welding seams and welding slag generated by dismantling the temporary pipe sections and installing the formal pipe sections are avoided, the water leakage risk is reduced, and welding slag generated in the pipeline after flushing is avoided.

Drawings

FIG. 1 is a schematic view of a piping system.

Fig. 2 is a schematic structural diagram of an embodiment of the present application.

Figure 3 is a schematic view of an elbow in an embodiment of the present application.

Description of reference numerals: 1. a water replenishing pump; 2. a water pump is flushed; 3. a refrigeration unit; 4. a water separator; 5. a terminal device; 6. a water collector; 61. a drain pipe; 7. a spiral exhaust dirt collector; 8. a bypass conduit; 9. a temporary filter; 10. temporary bypass; 101. a first elbow; 102. a second elbow; 103. a connecting pipe; 11. and (4) a valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, in a certain existing engineering, a pipeline system before pipe washing includes a flush water pump 2, a refrigeration unit 3, a bypass arranged at the refrigeration unit 3, a water separator 4, a terminal device 5, a bypass arranged at the terminal device 5, a water collector 6, and a spiral exhaust dirt collector 7, which are sequentially communicated through a pipeline, and a water replenishing pump 1 is further provided to replenish water to the flush system.

The embodiment of the application discloses a quick switching system for pipeline flushing and filtering. Referring to fig. 2, a fast switching system for pipeline flushing filtration comprises a bypass pipeline 8, a temporary filter 9 and a temporary bypass 10; before the pipeline is washed, the pipeline in the refrigeration machine room is deeply arranged and prefabricated and segmented, the design of a bypass pipeline 8 and a temporary bypass 10 before the pipeline is washed and the preparation of a temporary filter 9 are carried out, the bypass pipeline 8 and the temporary bypass 10 are prefabricated in a processing plant according to the design, the processed bypass pipeline 8, the temporary filter 9 and the temporary bypass 10 are conveyed to the site to be connected with a formal pipeline system and equipment in an assembling mode, the formal pipeline is enabled to rapidly have the pipeline washing condition and to be washed, after the pipeline is washed, the temporary pipeline section is dismantled, the prefabricated formal pipeline section is installed, rapid disassembly and assembly are achieved through the connection mode of bolt flanges, and the system is enabled to be rapidly put into operation and use.

Referring to fig. 2, the bypass pipe 8 is installed at the spiral exhaust dirt collector 7 to bypass the spiral exhaust dirt collector 7, valves 11 are respectively arranged on the pipes at both ends of the spiral exhaust dirt collector 7, and the bypass pipe 8 arranged at the spiral exhaust dirt collector 7 is also provided with the valve 11; when the pipeline is washed, the valves 11 at the two ends of the spiral exhaust dirt collector 7 are closed, and the valve 11 on the bypass pipeline 8 is opened, so that water flow avoids the spiral exhaust dirt collector 7 and flows through the bypass pipeline 8, and the spiral exhaust dirt collector 7 is prevented from being polluted.

Referring to fig. 2, a bypass pipeline 8 is also arranged at the end equipment 5, and the pipelines at both ends of the end equipment 5 are also provided with valves 11; when the pipe is flushed, the valves 11 at both ends of the end device 5 are closed, so that the water flows through the bypass pipe 8 while avoiding the end device 5, thereby preventing the end device 5 from being contaminated.

Referring to fig. 2, before the pipeline is flushed, when the machine room is prefabricated integrally, an installation space is arranged at the suction inlet of the flushing water pump 2, and a temporary filter 9 is connected and installed at the installation space through a flange and used for cleaning garbage in the pipeline of the whole system; an installation space is also arranged in front of the water inlet of the spiral exhaust dirt collector 7, a temporary filter 9 is also installed in the installation space through flange connection, after the pipeline is flushed, the temporary filter 9 in front of the flushing water pump 2 is removed, the temporary filter 9 in front of the water inlet of the spiral exhaust dirt collector 7 is temporarily reserved, and after a pipeline system which is not in the construction range of the local is connected, the phenomenon that welding slag and garbage exist in the interior of the pipeline due to incomplete flushing is prevented, so that the filtering protection of the spiral exhaust dirt collector 7 is realized; in addition, when the installation space is designed, a formal pipe section with the same length as the installation space is also arranged at the same time; the temporary filter 9 is provided as a Y-filter, and the temporary filter 9 is easily purchased, and after washing, the Y-filter is removed and the main pipe section is attached.

Referring to fig. 2, the temporary bypass 10 is installed at the pipe section of the inlet and outlet valve 11 of the refrigerating unit 3, the inlet and outlet pipe sections of the refrigerating unit 3 are also provided with the valve 11, before the pipeline is flushed, the valve 11 at the position of the refrigerating unit 3 is closed, so that the refrigerating unit 3 is blocked, the water supply and return pipe connection is realized, the water flow flows through the temporary bypass 10, and the refrigerating unit 3 is prevented from being polluted by impurities in the water flow.

Referring to fig. 2 and 3, the temporary bypass 10 includes a first bend 101, a second bend 102, and a connection pipe 103 for connecting the first bend 101 and the second bend 102; the two ends of the first elbow 101 are both provided with flanges, and the two ends of the second elbow 102 are both provided with flanges; one end of the first elbow 101 is connected with a water inlet pipe of the refrigerating unit 3 through a flange plate, and the other end of the first elbow is arranged towards a water return pipe of the refrigerating unit 3; one end of the second elbow 102 is connected with a water return pipe of the refrigerating unit 3 through a flange plate, the other end of the second elbow 102 faces a water inlet pipe of the refrigerating unit 3, and the first elbow 101 and one end, far away from the refrigerating unit 3, of the second elbow 102 are arranged in a right-facing manner; the connecting pipe 3 is disposed between the first elbow 101 and the second elbow 102, and is connected by a flange, so that the refrigerating unit 3 is blocked, the water supply and return pipe connection is realized, the water flows through the temporary bypass 10, and the refrigerating unit 3 is prevented from being polluted by impurities in the water flow.

When the first elbow 101 and the second elbow 102 are prefabricated, two sections of formal connection pipe sections are also prefabricated, two ends of each formal connection pipe section are fixedly provided with a flange respectively, after washing is finished, one section of formal connection pipe section connects a water inlet pipe of the refrigerating unit 3 with the refrigerating unit 3 through the flange, and the other section of formal connection pipe section connects a water return pipe of the refrigerating unit 3 with the refrigerating unit 3 through the flange.

Referring to fig. 2, a drain pipe 61 is provided at the lower part of the water collector 6, a valve 11 is also provided at the end of the drain pipe 61, and when the pipe is flushed, the valve 11 of the drain pipe 61 is opened, and the water replenishing pump 1 is opened to circulate and flush the pipe to discharge the sewage in the pipe.

The implementation principle of the application is as follows: before the pipeline is washed, a bypass pipeline 8 is arranged at the spiral exhaust dirt collector 7, and a bypass pipeline 8 is also arranged at the tail end equipment 5, so that water flow carrying impurities cannot flow through the spiral exhaust dirt collector 7 and the tail end equipment 5 when the pipeline is washed; the temporary bypass 10 is arranged at the refrigerating unit 3, so that the supply water and the return water of the refrigerating unit 3 are communicated, and the refrigerating unit 3 is prevented from being polluted by impurities. A temporary filter 9 is arranged on a pipe section in front of a suction inlet of the flushing water pump 2, and a main pipe in front of a water inlet of the spiral exhaust dirt collector 7 is also provided with the temporary filter 9 so as to filter and remove garbage of the whole system; when the pipeline is washed, water is injected into the pipeline through the water replenishing pump 1, the principle of closed circulation washing is adopted during washing, water is replenished while water is drained while washing, sewage in the pipeline is replaced, after washing is completed, the temporary pipeline section is detached, the prefabricated formal pipeline section is installed, quick mounting and dismounting are realized through the connection mode of the bolt flange, and the system is enabled to be quickly put into operation and applicable.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a quick switched systems for pipeline washes filterable, this system includes through the washing water pump (2) that the pipeline communicates in proper order, refrigerating unit (3), water knockout drum (4), end equipment (5), water collector (6) and spiral exhaust dirt collector (7), its characterized in that: comprises a bypass pipeline (8) prefabricated in advance, a temporary filter (9) and a temporary bypass (10); spiral exhaust dirt collector (7) department sets up by-pass line (8) and carries out the short circuit, end equipment (5) are provided with by-pass line (8) and carry out the short circuit, install in interim bypass (10) the exit pipeline section department of refrigerating unit (3) carries out the short circuit, install interim filter (9) before the sunction inlet of wash water pump (2), the water inlet department of spiral exhaust dirt collector (7) also is provided with interim filter (9).

2. A fast switching system for pipeline flushing filtration according to claim 1, characterized in that: all temporary pipelines define the replacement forms of the temporary pipelines and the formal pipelines in the pipeline prefabricating stage, and are designed and prefabricated simultaneously.

3. A fast switching system for pipeline flushing filtration according to claim 1, characterized in that: the temporary bypass comprises a first elbow (101), a second elbow (102) and a connecting pipe (103); the connecting pipe (103) is arranged between the first elbow (101) and the second elbow (102), the first elbow (101) is connected with a water inlet pipe of the refrigerating unit (3), and the second elbow (102) is connected with a water return pipe of the refrigerating unit (3).

4. A fast switching system for pipeline flushing filtration according to claim 1, characterized in that: a drain pipe (61) is installed on the water collector (6), and a valve (11) is arranged at the end part of the drain pipe (61).

5. A fast switching system for pipeline flushing filtration according to claim 1, characterized in that: and an installation space is arranged on the pipeline in front of the suction inlet of the flushing water pump (2), the installation space of the temporary filter (9) is considered during prefabrication design, and a corresponding prefabricated temporary short pipe is designed according to the length of a prefabricated formal pipeline and the actual length of the temporary filter (9).

6. A fast switching system for pipe flushing filtration according to claim 3, characterized in that: when the temporary bypass (10) is prefabricated, two sections of formal connection pipe sections are prefabricated, after washing is finished, the temporary bypass (10) is detached, one section of the formal connection pipe section connects a water inlet pipe of the refrigerating unit (3) with the refrigerating unit (3) through a flange, and the other section of the formal connection pipe section connects a water return pipe of the refrigerating unit (3) with the refrigerating unit (3) through a flange.

7. A fast switching system for pipeline flushing filtration according to claim 1, characterized in that: flanges are arranged at the end parts of the bypass pipeline (8) prefabricated in advance and the temporary bypass (10), and the bypass pipeline (8) and the temporary bypass (10) are connected with the pipeline through the flanges.

8. A fast switching system for pipeline flushing filtration according to claim 1, characterized in that: the quick switching system is not only limited to an air conditioner cold water system, but also can be applied to an air conditioner hot water system, and when the quick switching system is applied to the air conditioner hot water system, the refrigerating unit is a plate heat exchanger.

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