CN219263271U - Multifunctional valve for district heating secondary network household well - Google Patents
Multifunctional valve for district heating secondary network household well Download PDFInfo
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- CN219263271U CN219263271U CN202223517900.2U CN202223517900U CN219263271U CN 219263271 U CN219263271 U CN 219263271U CN 202223517900 U CN202223517900 U CN 202223517900U CN 219263271 U CN219263271 U CN 219263271U
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- diverter
- heating medium
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 76
- 238000011010 flushing procedure Methods 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 239000010963 304 stainless steel Substances 0.000 claims description 6
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000001788 irregular Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 235000020681 well water Nutrition 0.000 description 2
- 239000002349 well water Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007363 regulatory process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a multifunctional valve for a district heating secondary network household well, which comprises: a valve body; a diverter, a filter screen, a V-shaped ball valve and a control valve are sequentially arranged in the valve body along the flow direction of heating medium; the outer wall of the filter screen is connected with a drain valve; when the flow divider is opened, heating media sequentially flow along the filter screen to the V-shaped ball valve, so that normal overcurrent is realized; when the diverter is closed, the heating medium is blocked by the diverter, and a part of the heating medium flushes the filter screen along the outer side of the filter screen, so that impurities attached to the inner side of the filter screen are discharged through the drain valve; the other part of heating medium flows out after passing through the V-shaped ball valve and the control valve along the flow direction, so that online flushing in the normal overcurrent process is realized. The multifunctional valve can realize regular or irregular online flushing, and the valve assembly is not required to be disassembled when the filter screen is cleaned under the condition of ensuring normal heating operation, so that the convenience of product use is improved.
Description
Technical Field
The utility model relates to the technical field of secondary networks of heating systems, in particular to a multifunctional valve for a residential heating secondary network home-entering well.
Background
In order to save investment for thermal power companies and improve enterprise benefits, many valve manufacturers are developing multifunctional valves, such as a secondary network service well water supply pipe, a 'full-welded multifunctional combined valve' is used for replacing a welded ball valve and a manual regulating valve, and meanwhile, the multifunctional valve also has a dirt removing function. On the premise of ensuring normal heating operation, the original three heating accessories with independent functions are integrated together, thereby saving the well room space and reducing the investment cost. The existing all-welded multifunctional combined valve has many advantages, but the filter screen arranged inside the valve cannot be flushed on line, once the filter screen is blocked, the whole valve group needs to be detached, and the maintenance difficulty is high. If the maintenance is not performed in time, the filter screen is blocked, the resistance is increased, the heating flow is reduced, and finally, the room temperature of the user heating is possibly not up to standard.
Disclosure of Invention
In view of the above problems, the utility model provides a multifunctional valve for a residential heating secondary network home-entering well, which can overcome or at least partially solve the problem that the existing heating valve cannot realize online flushing.
The utility model provides a multifunctional valve for a district heating secondary network household well, which comprises: a valve body; a diverter, a filter screen, a V-shaped ball valve and a control valve are sequentially arranged in the valve body along the flow direction of heating medium;
the diverter is arranged on the inner side of the filter screen, and the outer edge of the diverter is tangential to the inner wall of the filter screen;
the outer wall of the filter screen is connected with a sewage drain pipe; the drain pipe is arranged on the drain valve;
when the diverter is opened, the drain pipe is closed, the control valve is opened, and heating medium sequentially flows along the filter screen to the control valve through the V-shaped ball valve to realize normal overcurrent;
when the diverter is closed, the drain pipe and the control valve are opened, heating medium is blocked by the diverter, after diversion, part of heating medium bypasses the diverter along the outer side of the filter screen in a circumferential direction, part of heating medium flows into the filter screen from a gap between the outer side of the filter screen and the inner wall of the valve body, and the filter screen is flushed along the outer side of the filter screen, so that impurities attached to the inner side of the filter screen are discharged through the drain valve; and the other part of heating medium flows out after passing through the V-shaped ball valve and the control valve along the flow direction, so that online flushing in the normal overcurrent process is realized.
Further, the V-shaped ball valve is connected with a lower valve rod;
and through rotating the lower valve rod, the rotation angle of the sphere of the V-shaped ball valve is adjusted, so that the turn-off and flow adjustment of the flowing heating medium are realized.
Further, an observation port is formed in the outer wall of the valve body;
the observation port is used for checking the flow condition of the heating medium in the valve body.
Further, an adjusting dial is arranged on the outer wall of the valve body;
and adjusting the sphere rotation angle of the V-shaped ball valve through the lower valve rod by referring to the scale of the adjusting dial.
Further, a valve rod sleeve is arranged between the valve body and the adjusting dial.
Further, the front end of the valve body is connected with a sleeve.
Further, the valve body is made of carbon steel 20#.
Further, the diverter, the filter screen and the V-shaped ball valve are all made of 304 stainless steel.
Further, the adjusting dial is made of 304 stainless steel.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that at least:
the utility model provides a multifunctional valve for a district heating secondary network household well, which comprises: a valve body; a diverter, a filter screen, a V-shaped ball valve and a control valve are sequentially arranged in the valve body along the flow direction of heating medium; the outer wall of the filter screen is connected with a drain valve; when the flow divider is opened, heating media sequentially flow along the filter screen to the V-shaped ball valve, so that normal overcurrent is realized; when the diverter is closed, the heating medium is blocked by the diverter, and a part of the heating medium flushes the filter screen along the outer side of the filter screen, so that impurities attached to the inner side of the filter screen are discharged through the drain valve; the other part of heating medium flows out after passing through the V-shaped ball valve and the control valve along the flow direction, so that online flushing in the normal overcurrent process is realized. The multifunctional valve can realize regular or irregular online flushing, and the valve assembly is not required to be disassembled when the filter screen is cleaned under the condition of ensuring normal heating operation, so that the convenience of product use is improved.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic diagram of a structure of a multifunctional valve diverter for a residential heating secondary network home-entry well provided in an embodiment of the present utility model when opened;
fig. 2 is a schematic diagram of a structure of a multifunctional valve diverter for a residential heating secondary network home well when closed according to an embodiment of the present utility model.
Wherein: 1-a valve body; 2-a viewing port; 3-adjusting a dial; 4-valve stem sleeve; 5-sleeve; 6-a shunt; 7, a filter screen; 8-a blow-down valve; 9-a lower valve rod; 10-V-shaped ball valve; 11-control valve.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The embodiment of the utility model provides a multifunctional valve for a residential heating secondary network household well, which is shown by referring to fig. 1 and 2 and comprises the following components: the valve comprises a valve body 1, an observation port 2, an adjusting dial 3, a valve rod sleeve 4, a sleeve 5, a flow divider 6, a filter screen 7, a blow-down valve 8, a lower valve rod 9, a V-shaped ball valve 10 and a control valve 11;
wherein, the inside of the valve body 1 is provided with a diverter 6, a filter screen 7, a V-shaped ball valve 10 and a control valve 11 in sequence along the flow direction of heating medium;
the diverter 6 is arranged on the inner side of the filter screen 7, and the outer edge of the diverter is tangential with the inner wall of the filter screen 7;
the outer wall of the filter screen 7 is connected with a sewage drain pipe; the blow-down pipe is arranged on the blow-down valve 8;
when the diverter 6 is opened, the drain pipe is closed, the control valve 11 is opened, and the heating medium sequentially flows through the control valve 11 along the filter screen 7 through the V-shaped ball valve 10, so that normal overcurrent is realized;
when the flow divider 6 is closed, the drain pipe and the control valve 11 are opened, the heating medium is blocked by the flow divider 6, after the flow divider is divided, part of the heating medium bypasses the flow divider 6 along the outer side of the filter screen 7, part of the heating medium flows into the filter screen 7 from a gap between the outer side of the filter screen 7 and the inner wall of the valve body 1, and the filter screen 7 is flushed along the outer side of the filter screen 7, so that impurities attached to the inner side of the filter screen 7 are discharged through the drain valve 8; the other part of heating medium flows out after passing through the V-shaped ball valve 10 and the control valve 11 along the flow direction, so that online flushing in the normal overcurrent process is realized.
The multifunctional valve for the district heating secondary network household well provided by the embodiment is a full-welding multifunctional combined valve with an online flushing function for the filter screen 7, can realize regular or irregular online flushing, does not need to detach the valve assembly when cleaning the filter screen 7 under the condition of ensuring normal heating operation, improves the convenience of product use, and achieves the aims of cost reduction and efficiency enhancement of heating enterprises.
Further, a lower valve rod 9 is connected with the V-shaped ball valve 10; the turning-off and flow adjustment of the flowing heating medium are realized by rotating the lower valve rod 9 and adjusting the rotation angle of the ball body of the V-shaped ball valve 10. The flow can be adjusted in equal percentages.
The diverter 6, the filter screen 7 and the blow-down valve 8 are connected and used for filtering/removing impurities in the hot water medium in the water supply pipeline. The diverter 6 is arranged on the inner side of the filter screen 7, the outer edge of the diverter is tangent to the inner wall of the filter screen 7, and a blow-down pipe of the blow-down valve 8 is connected with the outer wall of the filter screen 7. When the diverter 6 is opened, the medium flows through the filter screen 7, and impurities in the medium are complemented and adhered to the inner side of the filter screen 7 by the filter screen 7, so that the filtering is finished.
The outer wall of the valve body 1 is provided with an observation port 2 for observing the flow condition of heating medium in the valve body 1 and observing the condition of hot water medium. The outer wall of the valve body 1 is provided with an adjusting dial 3; the sphere rotation angle of the V-ball valve 10 is adjusted by the lower valve stem 9 by referring to the scale of the adjustment dial 3. The adjusting dial 3 can also record the valve adjusting amplitude of the V-shaped ball valve 10 and can be used as an auxiliary for accurate adjustment and control. A valve rod sleeve 4 is arranged between the valve body 1 and the adjusting dial 3. The front end of the valve body 1 is connected with a sleeve 5.
Optionally, the valve body 1 is made of carbon steel 20#. The diverter 6, the filter screen 7 and the V-shaped ball valve 10 are all made of 304 stainless steel. The material of the adjusting dial 3 is 304 stainless steel. The observation port 2 is made of glass.
The specific working process is as follows: when "normal overcurrent", referring to fig. 1, the diverter 6 is opened, the drain valve 8 is closed, the heating medium flows through the V-ball valve 10 in the order of the filter screen 7, the opening of the valve body 1 of the V-ball valve 10 is adjusted by rotating the lower valve rod 9, the actual opening is set by referring to the scale of the adjusting dial 3, and the medium flow condition in the valve body 1 can be checked through the observation port 2 during the adjustment. When the normal overcurrent online flushing is performed, referring to fig. 2, the diverter 6 is closed, the drain valve 8 is opened, the heating medium is blocked by the diverter 6 and diverted, after the medium bypasses the diverter 6 along the outer side of the filter screen 7 in a circumferential direction, a part of the medium flushes the filter screen 7 from the outer side of the filter screen 7, so that impurities attached to the inner side of the filter screen 7 are discharged along the drain valve 8; another portion of the medium continues to flow in the flow direction through the V-ball valve 10. In the online flushing process, if flow needs to be regulated, the opening of the valve body 1 of the V-shaped ball valve 10 can be regulated by rotating the lower valve rod 9, the actual opening is set by referring to the scale of the regulating dial 3, and meanwhile, the medium flowing condition in the valve body 1 can be checked through the observation port 2 in the regulating process.
In the actual use process, the building is put into the well room before the second-level network unit building of a newly-built commodity house district park by the sunk sun, and the specific use engineering is as follows:
1. the construction of a water supply and return pipeline in a front well chamber of a unit building is completed, the pipe diameter DN100 is adopted, a multifunctional combined valve (namely a multifunctional valve provided by the embodiment) with the same opening diameter is arranged on a water supply pipeline, two ends of the valve are welded with the pipeline, the valve and the medium flow direction are noted, and reverse connection is avoided;
2. after the installation is completed, the dial 3 is adjusted, and the flow condition is observed through the observation port 2;
3. in the newly-built project, the filter screen 7 is periodically flushed on line in the initial operation stage, so that the valve is prevented from being blocked and damaged.
4. Working principle: the second-level network indoor heating medium firstly decontaminates through the filter screen 7, at the moment, the flow divider 6 is opened, normal flow is achieved, then the second-level network indoor heating medium enters the indoor system through the control valve 11, finally the second-level network indoor heating medium reaches the user heating terminal device, and heat dissipation of the heating medium is completed. When the on-line flushing function is performed, the diverter 6 is closed, the control valve 11 is closed, and the blow-down valve 8 is opened. The heating medium flows into the filter screen 7 from the gaps between the two sides of the filter screen 7 and the inner wall of the valve body 1, washes out impurities attached to the inner surface of the filter screen 7 and is discharged out of the valve through the blow-down valve 8. After the heating medium is decontaminated by the filter screen 7, the heating medium finally enters indoor terminal heat dissipation equipment of a heating user through the control valve 11. The control valve 11 can realize flow regulation by adjusting the opening degree, and the opening degree can be known by a dial.
The multifunctional valve for the district heating secondary network household well water supply pipe has the beneficial effects that:
1. the on-line flushing is realized through the all-welded multifunctional combined valve (namely the multifunctional valve provided by the embodiment), so that the maintenance difficulty is reduced.
2. The all-welded multifunctional combined valve (namely the multifunctional valve provided by the embodiment) integrates three independent auxiliary parts (a welded ball valve, a Y-shaped dirt remover and a flange regulating valve) in the original well chamber into one valve, so that the space of the well chamber is reduced.
3. The cost of the all-welded multifunctional combined valve with the same caliber (namely the multifunctional valve provided by the embodiment) is lower than that of the independent three auxiliary parts (the welded ball valve, the Y-shaped dirt remover and the flange regulating valve), and the cost is saved.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. A multifunctional valve for a district heating secondary network home well, comprising: a valve body (1); a diverter (6), a filter screen (7), a V-shaped ball valve (10) and a control valve (11) are sequentially arranged in the valve body (1) along the flow direction of heating medium;
the diverter (6) is arranged on the inner side of the filter screen (7), and the outer edge of the diverter is tangential with the inner wall of the filter screen (7);
a drain pipe is connected to the outer wall of the filter screen (7); the blow-down pipe is arranged on the blow-down valve (8);
when the diverter (6) is opened, the blow-off pipe is closed, the control valve (11) is opened, and heating medium sequentially flows through the control valve (11) along the sequence from the filter screen (7) to the V-shaped ball valve (10) to realize normal overcurrent;
when the diverter (6) is closed, the blow-off pipe and the control valve (11) are opened, heating medium is blocked by the diverter (6), after diversion, the heating medium bypasses the diverter (6) along the circumferential direction outside the filter screen (7), a part of heating medium flows into the filter screen (7) from a gap between the outer side of the filter screen (7) and the inner wall of the valve body (1), and the filter screen (7) is flushed along the outer side of the filter screen (7), so that impurities attached to the inner side of the filter screen (7) are discharged through the blow-off valve (8); the other part of heating medium flows out after passing through the V-shaped ball valve (10) and the control valve (11) along the flow direction, so that online flushing in the normal overcurrent process is realized.
2. A multifunctional valve for a district heating secondary network service well according to claim 1, characterized in that the V-shaped ball valve (10) is connected with a lower valve rod (9);
and the rotation angle of the ball body of the V-shaped ball valve (10) is adjusted by rotating the lower valve rod (9), so that the shutoff and the flow adjustment of the flowing heating medium are realized.
3. A multifunctional valve for a district heating secondary network service well according to claim 1, characterized in that the outer wall of the valve body (1) is provided with an observation port (2);
the observation port (2) is used for checking the flow condition of the heating medium in the valve body (1).
4. A multifunctional valve for a district heating secondary network entry well according to claim 2, characterized in that the outer wall of the valve body (1) is provided with an adjusting dial (3);
the sphere rotation angle of the V-shaped ball valve (10) is adjusted through the lower valve rod (9) by referring to the scale of the adjusting dial (3).
5. A multifunctional valve for a district heating secondary network service well according to claim 4, characterized in that a valve rod sleeve (4) is arranged between the valve body (1) and the adjusting dial (3).
6. A multifunctional valve for a district heating secondary network service well according to claim 1, characterized in that the front end of the valve body (1) is connected with a sleeve (5).
7. A multifunctional valve for a district heating secondary network service well according to claim 1, characterized in that the valve body (1) is made of carbon steel 20#.
8. A multifunctional valve for a district heating secondary network service well according to claim 1, wherein the diverter (6), the filter screen (7) and the V-shaped ball valve (10) are all made of 304 stainless steel.
9. A multifunctional valve for a district heating secondary network service well according to claim 4, characterized in that the material of the adjusting dial (3) is 304 stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223517900.2U CN219263271U (en) | 2022-12-28 | 2022-12-28 | Multifunctional valve for district heating secondary network household well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223517900.2U CN219263271U (en) | 2022-12-28 | 2022-12-28 | Multifunctional valve for district heating secondary network household well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219263271U true CN219263271U (en) | 2023-06-27 |
Family
ID=86856680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223517900.2U Active CN219263271U (en) | 2022-12-28 | 2022-12-28 | Multifunctional valve for district heating secondary network household well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219263271U (en) |
-
2022
- 2022-12-28 CN CN202223517900.2U patent/CN219263271U/en active Active
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