CN217540400U - Heat medium circulation system convenient to arrange medium when play medium end valve is changed - Google Patents

Abstract

The utility model relates to a hot water supply system's technical field discloses a arrange heat medium circulation system of mediumwhen going out media end valve and changing, include: pump body subassembly and play media end subassembly, pump body subassembly includes first circulation pipeline, and a media end subassembly includes: the first outlet end of the first circulating pipeline is connected with the inlet end of the one-way valve, the outlet end of the one-way valve is connected with the first valve body through a first connecting pipeline, the inlet end of the first three-way valve is connected with the first connecting pipeline, the first outlet end of the first three-way valve is connected with the first pressure gauge, and the second outlet end of the first three-way valve is connected with the second valve body. The utility model discloses a first valve body takes place to damage when needing to be changed, opens the second valve body after, and the heat medium can be discharged from the second valve body, can not influence the workman and change first valve body.

Description

Heat medium circulation system convenient to arrange medium when play medium end valve is changed

Technical Field

The utility model relates to a hot water supply system's technical field especially relates to a heat medium circulation system of row's medium when outlet medium end valve is changed.

Background

The heat medium circulating system is a mechanical component for providing stable pressure and flow velocity for a heat medium which is recycled, and has the advantages of long service life, no need of maintenance, small size, high efficiency, low power consumption, strong anti-interference capability, stable operation and the like, so that the heat medium circulating system is widely applied to hot water supply projects in places such as hotels, hospitals, houses and the like.

The heat medium circulating system generally comprises a heat medium inlet end (namely an input end for heat medium inlet), a heat medium outlet end (namely a recovery end for heat medium recovery) and a heat medium circulating system, wherein external heat medium enters the heat medium circulating system through the heat medium inlet end, the heat medium entering the heat medium circulating system is enabled to flow in a single direction on the whole system through the heat medium circulating system, and finally the heat medium is discharged from the heat medium outlet end.

However, the heat medium outlet end of the existing heat medium circulating system is only used for discharging the heat medium (i.e. heat medium is discharged and recycled), when a valve body close to the heat medium outlet pipe needs to be replaced or damaged, residual heat medium in the heat medium circulating system cannot be discharged from the heat medium outlet pipe, and even if a blowdown pipe group is opened, part of heat medium still flows to the heat medium outlet pipe, so that the replacement of the valve is influenced, and even maintenance personnel can be scalded.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the utility model provides a heat medium circulation system of row medium when providing a play medium end valve to change, aims at solving the above-mentioned problem among the prior art.

In order to realize the above-mentioned purpose, the utility model provides a heat medium circulation system of row's medium when outlet medium end valve is changed, include: pump body subassembly and play media end subassembly, pump body subassembly includes first circulation pipeline, it includes to go out the media end subassembly: the first outlet end of the first circulation pipeline is connected with the inlet end of the one-way valve, the outlet end of the one-way valve is connected with the first valve body through a first connecting pipeline, and the media outlet assembly further comprises: the inlet end of the first three-way valve is connected with the first connecting pipeline, the first outlet end of the first three-way valve is connected with the first pressure gauge, and the second outlet end of the first three-way valve is connected with the second valve body.

The above-mentioned heat medium circulation system convenient to arrange the medium when going out the medium end valve and changing, wherein, it still includes a media pipe to go out the medium end subassembly, it is connected with first valve body to go out the medium pipe.

Foretell heat medium circulation system of row medium when being convenient for go out medium end valve and change, wherein, pump body subassembly still includes: the outlet end of the circulating pump is connected with the third valve body through the first flexible connection, and the third valve body is further connected with the inlet end of the first circulating pipeline.

The aforesaid is convenient for arrange heat medium circulation system of medium when going out the medium end valve and changing, wherein, pump body subassembly still includes the fourth valve body, the fourth valve body with the second outlet end of first circulating line is connected.

Foretell heat medium circulation system of row medium when being convenient for go out medium end valve and change, wherein, pump body subassembly still includes: the fifth valve body is connected with the inlet end of the circulating pump through the second flexible connection, and the fifth valve body is further connected with the first outlet end of the second circulating pipeline.

The foretell heat medium circulation system of row medium when being convenient for play medium end valve is changed, wherein, pump body subassembly still includes the sixth valve body, the sixth valve body with the second exit linkage of second circulating line.

The heating medium circulating system convenient for medium discharge when the valve at the medium outlet end is replaced also comprises a medium inlet end component.

The aforesaid heat medium circulation system of row's medium when being convenient for go out media end valve and change, wherein, advance the media end subassembly and include: the seventh valve body is connected with the inlet end of the second circulating pipeline, the seventh valve body is further connected with the outlet end of the filter, and the eighth valve body is connected with the inlet end of the filter through a second connecting pipeline.

The above-mentioned heat medium circulation system convenient to arrange the medium when going out the medium end valve and changing, wherein, advance the medium end subassembly and still include and advance the medium pipe, advance the medium pipe with the eighth valve body is connected.

The aforesaid heat medium circulation system of row's medium when being convenient for go out media end valve and change, wherein, advance media end subassembly still includes: the inlet end of the second three-way valve is connected with the second connecting pipeline, the first outlet end of the second three-way valve is connected with the first pressure gauge, and the second outlet end of the second three-way valve is connected with the ninth valve body.

Preferably, the first valve body, the second valve body, the third valve body, the fourth valve body, the fifth valve body, the sixth valve body, the seventh valve body, the eighth valve body and the ninth valve body all adopt butterfly valves, and the check valve is adopted as the check valve.

Compared with the prior art, the utility model, its beneficial effect lies in:

the utility model discloses a first valve body takes place to damage when needing to be changed, opens the second valve body after, and the heat medium can be discharged from the second valve body, can not influence the workman and change first valve body, can also obtain the pressure of the heat medium of the first three-way valve of flowing through according to first manometer in addition to carry out adaptability through the pressure of eighth valve body etc. to the heat medium and adjust, the risk of being scalded when reducing the workman and changing first valve body.

Drawings

Fig. 1 is a schematic view of the heat medium circulation system for discharging the medium when the valve at the medium outlet end is replaced.

In the figure: 1. a media-in end component; 11. a seventh valve body; 12. a filter; 13. an eighth valve body; 14. a second connecting pipe; 15. a media inlet pipe; 16. a second three-way valve; 17. a second pressure gauge; 18. a ninth valve body; 2. a pump body assembly; 21. a first circulation pipe; 22. a circulation pump; 23. a first flexible connection; 24. a third valve body; 25. a fourth valve body; 26. a fifth valve body; 27. a second flexible connection; 28. a second circulation pipe; 29. a sixth valve body; 3. a media-out end component; 31. a one-way valve; 32. a first valve body; 33. a first connecting pipe; 34. a first three-way valve; 35. a first pressure gauge; 36. a second valve body; 37. and (5) outputting the media.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, the utility model discloses a heat medium circulation system of row medium when being convenient for go out medium end valve and change includes: the heat medium in the boiler (not shown in the figure) flows into the pump body component 2 through the medium inlet end component 1, and then is driven by the pump body component 2 to flow in the whole heat medium circulating system under the circulation of the heat medium, and exchanges heat with external hot water or cold water needing to be heated, and then is recovered to the boiler through the medium outlet end component 3.

Further, as a preferred embodiment, the media-side component 1 includes: a media inlet pipe 15, an eighth valve body 13, a second connecting pipeline 14, a filter 12 and a seventh valve body 11, wherein one end of the media inlet pipe 15 is arranged on the boiler through a flange seal, the other end of the media inlet pipe 15 is connected with an opening at one end of the eighth valve body 13 through a flange seal, an opening at the other end of the eighth valve body 13 is connected with one end of the second connecting pipeline 14 through a flange seal, the other end of the second connecting pipeline 14 is connected with an inlet of the filter 12 through a flange seal, an outlet of the filter 12 is connected with an inlet at one end of the seventh valve body 11 through a flange seal, an inlet at the other end of the seventh valve body 11 is connected to the pump body assembly 2, if the eighth valve body 13 and the seventh valve body 11 are in an open state, and a main path of the pump body assembly 2 and the media outlet assembly 3 is also in a unblocked state, the flow direction of the heat medium at this time is: the boiler → the medium inlet pipe 15 → the eighth valve body 13 → the second connecting pipeline 14 → the filter 12 → the seventh valve body 11 → the pump body component 2 → the medium outlet component 3 → the boiler, the flow rate of the entering heat medium can be controlled by adjusting the opening degree of the eighth valve body 13 and/or the seventh valve body 11, after the heat medium is filtered by the filter 12, the clean heat medium enters the pump body component 2 to participate in heat exchange, the heat exchange efficiency of the heat medium is improved, and the filtered impurities are left on a filter screen of the filter 12.

Further, as a preferred embodiment, valve body opening meter valves may be further disposed on the first valve body 32, the second valve body 36, the third valve body 24, the fourth valve body 25, the fifth valve body 26, the sixth valve body 29, the seventh valve body 11, the eighth valve body 13, and the ninth valve body 18, respectively, so that the opening of each valve body can be accurately read, the flow entering the whole system can be flexibly adjusted, and the heat exchange process is accelerated or reduced.

Further, as a preferred embodiment, the media-side component 1 further includes: second three-way valve 16, second pressure gauge 17 and ninth valve body 18, second three-way valve 16 has two exit ends of an entrance point, the entrance point of second three-way valve 16 passes through flange seal and connects in the centre of second connecting tube 14, the first exit end of second three-way valve 16 passes through flange seal with second pressure gauge 17, the second exit end of second three-way valve 16 passes through flange seal with ninth valve body 18 and connects, if more impurity has been accumulated on the filter screen of discovery filter 12, the filtration efficiency of filter 12 has been influenced, then open eighth valve body 13 and close seventh valve body 11, use heat medium to wash the filter screen of filter 12, the flow direction of heat medium this moment is: the boiler → the eighth valve body 13 → the filter 12 → the inlet end of the second three-way valve 16 → the second outlet end of the second three-way valve 16 → the ninth valve body 18 → discharge, and the medium intake pipe 15 is detached from the boiler and connected to the cold water pipe, so that the filter 12 can be cleaned with cold water.

Further, as a preferred embodiment, the pump body assembly 2 includes: first circulation pipeline 21, second circulation pipeline 28, circulation pump 22, first soft connection 23, second soft connection 27, third valve body 24 and fifth valve body 26, first circulation pipeline 21 and second circulation pipeline 28 all have an inlet end and two outlet ends, the inlet end of second circulation pipeline 28 and the other end inlet of seventh valve body 11 are connected through flange seal, the first outlet end of second circulation pipeline 28 and the one end inlet of fifth valve body 26 are connected through flange seal, the other end inlet of fifth valve body 26 and the inlet end of circulation pump 22 are connected through second soft connection 27, the outlet end of circulation pump 22 and the one end inlet of third valve body 24 are connected through first soft connection 23, the other end inlet of third valve body 24 and the inlet end of first circulation pipeline 21 are connected through flange seal, the first outlet end of first circulation pipeline 21 is connected to heat medium outlet assembly 3, if eighth valve body 13, seventh valve body 11, fifth valve body 26 and third valve body 24 are all in open state, the heat medium outlet assembly of main pipe 3 is in open state, and when the first valve body 18 is in closed state, the flow direction of the three valves is: boiler → medium inlet pipe 15 → eighth valve body 13 → second connecting pipe 14 → filter 12 → seventh valve body 11 → inlet end of second circulating pipe 28 → first outlet end of second circulating pipe 28 → fifth valve body 26 → second soft joint 27 → inlet end of circulating pump 22 → outlet end of circulating pump 22 → first soft joint 23 → third valve body 24 → inlet end of first circulating pipe 21 → first outlet end of first circulating pipe 21 → medium outlet end module 3 → boiler.

Further, as a preferred embodiment, the pump body assembly 2 further includes: fourth valve body 25 and sixth valve body 29, the second exit end of fourth valve body 25 and first circulation pipeline 21 passes through flange seal and connects, the second exit end of sixth valve body 29 and second circulation pipeline 28 passes through flange seal and connects, if find inside accumulation more impurity of pump body subassembly 2 or heat medium circulation system do not use for a long time, need wash inside the pump body subassembly 2, at first open eighth valve body 13 in proper order, seventh valve body 11 and sixth valve body 29, close ninth valve body 18 and fifth valve body 26 in proper order, and make the medium end subassembly 3 be in the closed condition, wash seventh valve body 11, the entrance point of second circulation pipeline 28, the second exit end and the sixth valve body 29 of second circulation pipeline 28, the flow direction of heat medium does: the boiler → the medium inlet pipe 15 → the eighth valve body 13 → the second connecting pipe 14 → the filter 12 → the seventh valve body 11 → the inlet end of the second circulating pipe 28 → the second outlet end of the second circulating pipe 28 → the sixth valve body 29 → the discharge; then, the fifth valve body 26, the third valve body 24 and the fourth valve body 25 are sequentially opened, the sixth valve body 29 is closed, the first outlet end of the second circulation pipeline 28, the fifth valve body 26, the second flexible connection 27, the circulation pump 22, the first flexible connection 23, the third valve body 24, the inlet end of the first circulation pipeline 21, the second outlet end of the first circulation pipeline 21 and the fourth valve body 25 are cleaned, and the flow direction of the heating medium is as follows: boiler → medium inlet pipe 15 → eighth valve body 13 → second connecting pipe 14 → filter 12 → seventh valve body 11 → inlet end of second circulating pipe 28 → first outlet end of second circulating pipe 28 → fifth valve body 26 → second soft joint 27 → inlet end of circulating pump 22 → outlet end of circulating pump 22 → first soft joint 23 → third valve body 24 → inlet end of first circulating pipe 21 → second outlet end of first circulating pipe 21 → fourth valve body 25 → discharge.

Further, as a preferred embodiment, the media-out component 3 includes: check valve 31, first connecting tube 33, first valve body 32 and play medium pipe 37, flange seal connection is passed through with the first exit end of first circulating line 21 to the entrance point of check valve 31, flange seal connection is passed through with the one end of first connecting tube 33 to the exit end of check valve 31, flange seal connection is passed through with the one end of first connecting tube 33 to the other end of first connecting tube 33, flange seal connection is passed through with the one end import of first valve body 32, flange seal connection is passed through with a medium pipe 37 to the other end import of first valve body 32, if check valve 31 and first valve body 32 are in the open mode, and when the main road of advancing medium end subassembly 1 and pump body subassembly 2 is in unblocked state, the flow direction of heat medium is: boiler → medium inlet pipe 15 → eighth valve body 13 → second connecting pipe 14 → filter 12 → seventh valve body 11 → inlet end of second circulating pipe 28 → first outlet end of second circulating pipe 28 → fifth valve body 26 → second soft joint 27 → inlet end of circulating pump 22 → outlet end of circulating pump 22 → first soft joint 23 → third valve body 24 → inlet end of first circulating pipe 21 → first outlet end of first circulating pipe 21 → check valve 31 → first connecting pipe 33 → first valve body 32 → medium outlet pipe 37 → boiler.

Further, as a preferred embodiment, the media-out component 3 further includes: first three-way valve 34, first manometer 35 and second valve body 36, first three-way valve 34 has two exit ends of an entrance end, flange sealing connection is passed through with the centre of first connecting pipe 33 to the entrance end of first three-way valve 34, first exit end and the first manometer 35 of first three-way valve 34 pass through flange sealing connection, second exit end and the second valve body 36 of first three-way valve 34 pass through flange sealing connection, if discover when first valve body 32 damages and needs to be changed, heat medium can't pass through first valve body 32, open second valve body 36, heat medium discharges through second valve body 36, the flow direction of heat medium does: boiler → medium inlet pipe 15 → eighth valve body 13 → second connecting pipe 14 → filter 12 → seventh valve body 11 → inlet end of second circulating pipe 28 → first outlet end of second circulating pipe 28 → fifth valve body 26 → second soft joint 27 → inlet end of circulating pump 22 → outlet end of circulating pump 22 → first soft joint 23 → third valve body 24 → inlet end of first circulating pipe 21 → first outlet end of first circulating pipe 21 → one-way valve 31 → first connecting pipe 33 → inlet end of first three-way valve 34 → second outlet end of first three-way valve 34 → second valve body 36 → discharge.

This application flow direction of heat medium does when normal heat transfer: boiler → medium inlet pipe 15 → eighth valve body 13 → second connecting pipe 14 → filter 12 → seventh valve body 11 → inlet end of second circulating pipe 28 → first outlet end of second circulating pipe 28 → fifth valve body 26 → second soft joint 27 → inlet end of circulating pump 22 → outlet end of circulating pump 22 → first soft joint 23 → third valve body 24 → inlet end of first circulating pipe 21 → first outlet end of first circulating pipe 21 → check valve 31 → first connecting pipe 33 → first valve body 32 → medium outlet pipe 37 → boiler.

The flow direction of heat medium when first valve body 32 needs to be changed of this application does: boiler → medium inlet pipe 15 → eighth valve body 13 → second connecting pipe 14 → filter 12 → seventh valve body 11 → inlet end of second circulating pipe 28 → first outlet end of second circulating pipe 28 → fifth valve body 26 → second soft joint 27 → inlet end of circulating pump 22 → outlet end of circulating pump 22 → first soft joint 23 → third valve body 24 → inlet end of first circulating pipe 21 → first outlet end of first circulating pipe 21 → one-way valve 31 → first connecting pipe 33 → inlet end of first three-way valve 34 → second outlet end of first three-way valve 34 → second valve body 36 → discharge.

In consideration of the fact that the heat medium may be selected from a liquid or a gas, the circulation pump 22 may be selected adaptively, for example, when the heat medium is heated hot water, the circulation pump 22 is preferably a hydraulic pump, and when the heat medium is heated low-pressure steam, the circulation pump 22 is preferably a vacuum pump.

To sum up, the utility model discloses a first valve body 32 takes place to damage when needing to be changed, open second valve body 36 back, the heat medium can be discharged from second valve body 36, can not influence the workman and change first valve body 32, in addition, can also obtain the pressure of the heat medium of first three-way valve 34 of flowing through according to first manometer 35, thereby carry out adaptability through pressure to the heat medium such as eighth valve body 13 and adjust, the risk of being scalded when reducing the workman and changing first valve body 32, in addition when accumulating more impurity on the filter screen of filter 12, can be through advancing second three-way valve 16 of medium pipe end subassembly 1, second manometer 17 and ninth valve body 18, the washing to filter 12 has been realized.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (10)

1. A heat medium circulation system for facilitating the discharge of a medium when a valve at a medium outlet end is replaced, comprising: pump body subassembly and play media end subassembly, pump body subassembly includes first circulation pipeline, it includes to go out the media end subassembly: the first outlet end of the first circulation pipeline is connected with the inlet end of the one-way valve, the outlet end of the one-way valve is connected with the first valve body through a first connecting pipeline, and the media outlet assembly further comprises: the inlet end of the first three-way valve is connected with the first connecting pipeline, the first outlet end of the first three-way valve is connected with the first pressure gauge, and the second outlet end of the first three-way valve is connected with the second valve body.

2. A heating medium circulation system for facilitating media discharge during media outlet valve replacement as claimed in claim 1 wherein the media outlet assembly further comprises a media outlet tube, the media outlet tube being connected to the first valve body.

3. A heating medium circulation system for facilitating the discharge of medium when changing a valve at the outlet end as claimed in claim 1 or 2, wherein the pump assembly further comprises: the outlet end of the circulating pump is connected with the third valve body through the first flexible connection, and the third valve body is further connected with the inlet end of the first circulating pipeline.

4. A heating medium circulation system for facilitating media discharge during media discharge valve replacement as claimed in claim 3, wherein the pump assembly further comprises a fourth valve body connected to the second outlet end of the first circulation conduit.

5. A heating medium circulation system for facilitating media discharge during media outlet valve replacement as claimed in claim 4 wherein said pump assembly further comprises: the fifth valve body is connected with the inlet end of the circulating pump through the second flexible connection, and the fifth valve body is further connected with the first outlet end of the second circulating pipeline.

6. A heating medium circulation system for facilitating media discharge during media outlet valve replacement as claimed in claim 5 wherein the pump assembly further comprises a sixth valve body connected to the second outlet of the second circulation conduit.

7. The heating medium circulation system for facilitating media discharge during media outlet valve replacement of claim 6, further comprising a media inlet assembly.

8. A heating medium circulation system for facilitating media discharge during media outlet valve replacement as claimed in claim 7 wherein the media inlet assembly comprises: the seventh valve body is connected with the inlet end of the second circulating pipeline, the seventh valve body is further connected with the outlet end of the filter, and the eighth valve body is connected with the inlet end of the filter through a second connecting pipeline.

9. The heat medium circulation system for facilitating media discharge during media outlet valve replacement of claim 8, wherein the media inlet end assembly further comprises a media inlet pipe, the media inlet pipe being connected to the eighth valve body.

10. A heating medium circulation system for facilitating media discharge during media outlet valve replacement as claimed in claim 9 wherein the media inlet assembly further comprises: the inlet end of the second three-way valve is connected with the second connecting pipeline, the first outlet end of the second three-way valve is connected with the first pressure gauge, and the second outlet end of the second three-way valve is connected with the ninth valve body.

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