CN112032360A - Constant-temperature circulating valve and installation and use method thereof - Google Patents
Constant-temperature circulating valve and installation and use method thereof Download PDFInfo
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- CN112032360A CN112032360A CN202010993017.7A CN202010993017A CN112032360A CN 112032360 A CN112032360 A CN 112032360A CN 202010993017 A CN202010993017 A CN 202010993017A CN 112032360 A CN112032360 A CN 112032360A
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- thermal bulb
- hot water
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 230000001954 sterilising effect Effects 0.000 claims abstract description 46
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims 2
- 241000589248 Legionella Species 0.000 abstract description 5
- 238000009395 breeding Methods 0.000 abstract description 4
- 230000001488 breeding effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 208000007764 Legionnaires' Disease Diseases 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241000589242 Legionella pneumophila Species 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229940115932 legionella pneumophila Drugs 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/161—Housings for valves, tee pieces, or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention discloses a constant temperature circulating valve which comprises a valve body, wherein an adjusting thermal bulb and a sterilizing thermal bulb are respectively arranged in the valve body, working springs are respectively sleeved at the lower ends of the adjusting thermal bulb and the sterilizing thermal bulb, a control piston and a bypass piston are respectively sleeved between the adjusting thermal bulb and the sterilizing thermal bulb, and spring seats are respectively fixedly connected at the upper ends of the adjusting thermal bulb and the sterilizing thermal bulb. The constant-temperature circulating valve and the installation and use method thereof are arranged in a domestic hot water system, in order to ensure that each hot water circulating branch of a water supply system reaches the required temperature, the hot water is ensured to be immediately used after being opened, legionella bacteria is effectively prevented from breeding, the flow of a circulating loop can be adjusted, the phenomenon of different loop water temperatures is avoided, the design of an out-of-range loop with automatic balance of the hot water system is realized, the pipeline investment is reduced, more comfortable experience is realized, meanwhile, the thermal sterilization requirement can be met, the constant-temperature circulating valve is arranged in each loop of the hot water circulating system, and the set temperature can be automatically maintained.
Description
Technical Field
The invention relates to the technical field of constant temperature circulating valve systems, in particular to a constant temperature circulating valve and an installation and use method thereof.
Background
Researches show that under the condition that the water temperature is less than or equal to 45 ℃, the bacterial reproduction speed is accelerated, and the risk of microbial pollution is increased. The legionella pneumophila is bred in a water supply system and has the characteristic of high pathogenic rate, and is classified as the first threat by the world health organization and various countries, so that high attention of people is required to be paid particularly in a hot water circulation system, and low water temperature, low flow rate, biomembrane, dead water area and the like are favorable conditions for breeding the legionella.
The traditional hot water system often has the cold and hot unevenness of each delivery end, and the too high scheduling problem of energy consumption has all brought very big puzzlement for comfort level, security and fortune dimension expense that the user used, and can not ensure that each hot-water circulation branch road of water supply system can both reach required temperature, can not effectively prevent that the legionella from breeding, the phenomenon that the return circuit temperature differs appears.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the problems that the traditional hot water system is often uneven in the cold and hot water supply ends, too high in energy consumption and the like, brings great troubles to the comfort level, safety and operation and maintenance cost of users, cannot ensure that each hot water circulation branch of a water supply system can reach the required temperature, and cannot effectively prevent the generation of legionella bacteria and the phenomenon of uneven water temperature of a loop.
2. Technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme:
a constant temperature circulating valve comprises a valve body, an adjusting thermal bulb and a sterilizing thermal bulb are respectively arranged in the valve body, the lower ends of the adjusting thermal bulb and the sterilizing thermal bulb are respectively sleeved with a working spring, the middle of the adjusting thermal bulb and the sterilizing thermal bulb is respectively sleeved with a control piston and a bypass piston, the upper ends of the regulating thermal bulb and the sterilizing thermal bulb are fixedly connected with spring seats, one side of each spring seat is provided with a moving rod and a gland respectively, overload springs are respectively arranged between the moving rod and the adjusting thermal bulb and between the gland and the sterilizing thermal bulb, the overload springs are fixedly sleeved on the spring seat, a top plug nut is sleeved between the moving rod of the overload spring and the valve body, a fixed seat is fixedly sleeved on the outer side wall of the top plug nut, the outside cover of fixing base is equipped with the top cap, be equipped with the screw between top cap and the moving pole, screw and move between the pole threaded connection.
Preferably, a first O-shaped ring is sleeved between the plug nut and the valve seat.
Preferably, a second O-shaped ring is sleeved between the moving rod and the plug nut.
Preferably, a snap spring is arranged between the spring seat and the moving rod.
Preferably, an elastic gasket is arranged between the screw and the top cover and abuts against the top cover.
Preferably, a third O-shaped ring is arranged between the control piston and the valve body.
The invention also provides an installation and use method of the constant temperature circulating valve, which comprises the following steps:
firstly, cleaning a pipeline by distilled water to prevent impurities from entering a circulating system to influence the performance of equipment, vertically or horizontally installing the pipeline according to the water flow direction indicated by an arrow of a valve body, and installing a proper filter at a water inlet;
secondly, detecting the sealing performance of the valve body, introducing air pressure of 0.7-0.8Mpa into the valve body, keeping the air pressure value for 15-30 seconds, detecting without any leakage, and meeting the sealing performance requirement;
when the temperature control valve is used, water flow is introduced into the valve body, the handle is rotated, the temperature is adjusted to reach an expected temperature value, the flow passing through the valve body is automatically adjusted according to the water inlet temperature, and when the water temperature is close to the set temperature, the flow is gradually reduced by adjusting the temperature bulb, so that the flow of the circulating system is distributed to other outgoing paths of the system;
and step four, during thermal sterilization, the sterilization bulb controls the bypass piston, when the circulating hot water reaches a set temperature, the adjustment bulb controls the control piston to adjust and close the hot water channel, so that other routes of the system are quickly balanced, when the temperature is reduced, the control piston moves reversely, the hot water channel is opened, and all routes of the hot water system can reach the set temperature value.
Preferably, the valve body is marked and matched with a prefabricated heat-insulating shell to play a role in heat insulation and heat insulation, so that heat loss is avoided.
Preferably, the temperature of the circulating hot water is set to be 35-60 ℃, and the preset temperature of the sterilization bulb is 60-70 ℃.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the invention, the flow passing through the valve body is automatically adjusted according to the temperature of inlet water through the built-in adjusting bulb, when the water temperature is close to the set temperature, the flow is gradually reduced by the adjusting bulb, thus the flow of a circulating system can be distributed to other routes of the system to realize the effect of quickly balancing the flow at constant temperature, the sterilizing bulb is equipped to realize the thermal sterilization function, the set temperature of the hot water circulating range is 35-60 ℃, the preset temperature of the constant-temperature sterilizing bulb is 60-70 ℃, when the circulating hot water reaches the set temperature, the adjusting bulb controls to drive the control piston to adjust and close the hot water channel, so that the other routes of the hot water are favorably balanced quickly, if the temperature is reduced, the pistons are controlled to move oppositely, the hot water channel is opened, and all the routes of the hot water system.
(2) When the heat sterilization is carried out, the sterilization thermal bulb controls the bypass piston, hot water can circulate independently without the action of the temperature adjustment thermal bulb, water flows through the bypass piston until the temperature reaches the bypass temperature, if the temperature exceeds the value, the flow through the bypass valve is reduced until the constant temperature flow balancing effect is realized in the sterilization process, when the temperature reaches the upper limit value, the flow is reduced by the regulator, the problems that the temperature of the water circulation is overhigh and the equipment is possibly caused are avoided, the constant temperature circulating valve and the installation and use method thereof are arranged in a domestic hot water system, in order to ensure that each hot water circulation branch of a water supply system reaches the required temperature, the hot water is ensured to be immediately used when being opened, the breeding of legionella is effectively prevented, the flow of a circulation loop is adjusted, the phenomenon of different loop water temperatures is avoided, the design of the different-path loop with automatic balance of the hot water system is realized, the pipeline, meanwhile, the device can meet the thermal sterilization requirement, and can be arranged in each loop of a hot water circulating system to automatically maintain the set temperature.
Drawings
FIG. 1 is a schematic structural diagram of a thermostatic circulation valve and a method for installing and using the thermostatic circulation valve;
FIG. 2 is a schematic perspective view of a thermostatic circulation valve and a method for installing and using the thermostatic circulation valve according to the present invention;
FIG. 3 is a schematic structural diagram of a multi-riser hot water circulation system of a thermostatic circulation valve and a method for installing and using the thermostatic circulation valve;
FIG. 4 is a schematic structural diagram of a layered hot water circulation system of a thermostatic circulation valve and a method for installing and using the thermostatic circulation valve;
fig. 5 is a schematic structural diagram of a single-riser hot water circulation system of the thermostatic circulation valve and the installation and use method thereof provided by the invention.
In the figure: the high-pressure sterilization device comprises a screw, 2 elastic gaskets, a top cover, 3 top covers, 4 moving rods, 5 overload springs, 6 fixing seats, 7 top plug nuts, 8 spring seats, 9 clamp springs, 10 first O-shaped rings, 11 second O-shaped rings, 12 valve bodies, 13 third O-shaped rings, 14 pistons, 15 adjusting temperature bulbs, 16 working springs, 17 pressing covers and 18 sterilization temperature bulbs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-5, a constant temperature circulating valve comprises a valve body 12, an adjusting thermal bulb 15 and a sterilizing thermal bulb 18 are respectively arranged in the valve body 12, working springs 16 are respectively sleeved at the lower ends of the adjusting thermal bulb 15 and the sterilizing thermal bulb 18, a control piston 14 and a bypass piston are respectively sleeved between the adjusting thermal bulb 15 and the sterilizing thermal bulb 18, the built-in adjusting thermal bulb 15 automatically adjusts the flow passing through the valve body 12 according to the temperature of inlet water, when the water temperature is close to a set temperature, the adjusting thermal bulb 15 gradually reduces the flow, thus, the flow of a circulating system can be distributed to other routes of the system to realize the function of rapidly balancing the flow at constant temperature, a spring seat 8 is fixedly connected at the upper ends of the adjusting thermal bulb 15 and the sterilizing thermal bulb 18, the sterilizing thermal bulb 18 controls the bypass piston, hot water can independently circulate without the function of the adjusting thermal bulb 15, and water flows through the bypass piston until the temperature reaches the bypass, if the temperature exceeds the value, the flow through the bypass valve is reduced until the effect of constant temperature balance flow is realized in the sterilization process, when the temperature reaches the upper limit value, the flow is reduced by the regulator, the problems of overhigh temperature of water circulation and possible equipment damage are avoided, one side of each of the two spring seats 8 is respectively provided with the moving rod 4 and the gland 17, the moving rod 4 and the regulating temperature bulb 15 are arranged between each two spring seats, the overload springs 5 are arranged between each gland 17 and the sterilizing temperature bulb 18, the overload springs 5 are fixedly sleeved on the spring seats 8, the ejector plug nuts 7 are sleeved between the moving rods 4 and the valve bodies 12 of the overload springs 5, the fixing seats 6 are fixedly sleeved on the outer side walls of the ejector plug nuts 7, the top covers 3 are sleeved on the outer sides of the fixing seats 6, the screws 1 are arranged between the top covers 3.
In the invention, a first O-shaped ring 10 is sleeved between the plug nut 7 and the valve seat 12 to improve the sealing property between the plug nut 7 and the valve seat 12; a second O-shaped ring 11 is sleeved between the moving rod 4 and the plug nut 7 to improve the sealing property between the moving rod 4 and the plug nut 7; a clamp spring 9 is arranged between the spring seat 8 and the moving rod 4; an elastic gasket 2 is arranged between the screw 1 and the top cover 3, and the elastic gasket 2 is abutted against the top cover 3 to increase friction, improve the stability of fixation between the screw 1 and the top cover 3 and avoid the damage of a moving rod 4 caused by excessive force application of the screw 1; a third O-ring 13 is disposed between the piston 14 and the valve body 12 to improve the sealing between the piston 14 and the valve body 12.
The invention also provides an installation and use method of the constant temperature circulating valve, which comprises the following steps:
firstly, cleaning a pipeline by distilled water to prevent impurities from entering a circulating system to influence the performance of equipment, vertically or horizontally installing the pipeline according to the water flow direction indicated by an arrow of a valve body, and installing a proper filter at a water inlet;
secondly, detecting the sealing performance of the valve body, introducing air pressure of 0.7-0.8Mpa into the valve body, keeping the air pressure value for 15-30 seconds, detecting without any leakage, and meeting the sealing performance requirement;
when the temperature control valve is used, water flow is introduced into the valve body, the handle is rotated, the temperature is adjusted to reach an expected temperature value, the flow passing through the valve body is automatically adjusted according to the water inlet temperature, and when the water temperature is close to the set temperature, the flow is gradually reduced by adjusting the temperature bulb, so that the flow of the circulating system is distributed to other outgoing paths of the system;
and step four, during thermal sterilization, the sterilization bulb controls the bypass piston, when the circulating hot water reaches a set temperature, the adjustment bulb controls the control piston to adjust and close the hot water channel, so that other routes of the system are quickly balanced, when the temperature is reduced, the control piston moves reversely, the hot water channel is opened, and all routes of the hot water system can reach the set temperature value.
In the invention, the valve body is provided with the prefabricated heat-insulating shell in a standard way, so that the heat-insulating and heat-insulating effects are achieved, and the heat loss is avoided; the temperature of the circulating hot water is set to be 35-60 ℃, and the preset temperature of the sterilization temperature bulb is 60-70 ℃.
In the invention, the flow passing through the valve body is automatically adjusted according to the temperature of inlet water through the built-in adjusting bulb, when the water temperature is close to the set temperature, the flow is gradually reduced by the adjusting bulb, thus the flow of a circulating system can be distributed to other routes of the system to realize the function of rapidly balancing the flow at constant temperature, the sterilizing bulb is equipped to realize the thermal sterilization function, the set temperature of the hot water circulating range is 35-60 ℃, the preset temperature of the constant-temperature sterilizing bulb is 60-70 ℃, when the circulating hot water reaches the set temperature, the adjusting bulb controls the control piston to adjust and close the hot water channel, thus being beneficial to rapidly balancing other routes, if the temperature is reduced, the pistons are controlled to move oppositely, the hot water channel is opened, the set temperature value can be reached by all routes of the hot water system, when thermal sterilization is carried out, the sterilizing bulb controls the bypass piston, the hot, the temperature of the water flow passes through the bypass piston until the temperature reaches the bypass temperature without the action of a temperature regulation bag, if the temperature exceeds the value, the flow passing through the bypass valve is reduced until the effect of balancing the flow at a constant temperature in the sterilization process is achieved, and when the temperature reaches an upper limit value, the flow is reduced by the regulator, so that the problems that the temperature of water circulation is too high and the equipment is possibly caused are avoided.
Application example: the multi-riser hot water circulation system shown in fig. 3 is suitable for hotels, hospitals and large villas, and the layered hot water circulation system shown in fig. 4 is suitable for flat-layer and large villas; the single riser hot water circulation system shown in figure 5 is suitable for use in small villas.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A thermostatic circulation valve comprising a valve body (12), characterized in that: the temperature control valve is characterized in that an adjusting thermal bulb (15) and a sterilizing thermal bulb (18) are respectively arranged in the valve body (12), a working spring (16) is sleeved at the lower ends of the adjusting thermal bulb (15) and the sterilizing thermal bulb (18), a control piston (14) and a bypass piston are respectively sleeved in the middle of the adjusting thermal bulb (15) and the sterilizing thermal bulb (18), a spring seat (8) is fixedly connected to the upper ends of the adjusting thermal bulb (15) and the sterilizing thermal bulb (18), a moving rod (4) and a gland (17) are respectively arranged on one side of the spring seat (8), an overload spring (5) is respectively arranged between the moving rod (4) and the adjusting thermal bulb (15) and between the gland (17) and the sterilizing thermal bulb (18), the overload spring (5) is fixedly sleeved on the spring seat (8), and a plug nut (7) is sleeved between the moving rod (4) and the valve body (12), the outer lateral wall of top plug nut (7) is gone up fixed cover and is equipped with fixing base (6), the outside cover of fixing base (6) is equipped with top cap (3), top cap (3) and move and be equipped with screw (1) between pole (4), screw (1) and move the threaded connection between pole (4).
2. A thermostatic circulation valve according to claim 1 wherein a first O-ring (10) is provided between the plug nut (7) and the valve seat (12).
3. The thermostatic circulation valve according to claim 1, wherein a second O-ring (11) is provided between the moving rod (4) and the plug nut (7).
4. The thermostatic circulation valve according to claim 1, wherein a snap spring (9) is provided between the spring seat (8) and the moving rod (4).
5. The thermostatic circulation valve according to claim 1, wherein an elastic gasket (2) is arranged between the screw (1) and the top cover (3), and the elastic gasket (2) abuts against the top cover (3).
6. A thermostatic circulation valve according to claim 1 wherein a third O-ring (13) is provided between the piston (14) and the valve body (12).
7. A method for installing and using a constant temperature circulating valve comprises the following steps:
firstly, cleaning a pipeline by distilled water to prevent impurities from entering a circulating system to influence the performance of equipment, vertically or horizontally installing the pipeline according to the water flow direction indicated by an arrow of a valve body, and installing a proper filter at a water inlet;
secondly, detecting the sealing performance of the valve body, introducing air pressure of 0.7-0.8Mpa into the valve body, keeping the air pressure value for 15-30 seconds, detecting without any leakage, and meeting the sealing performance requirement;
when the temperature control valve is used, water flow is introduced into the valve body, the handle is rotated, the temperature is adjusted to reach an expected temperature value, the flow passing through the valve body is automatically adjusted according to the water inlet temperature, and when the water temperature is close to the set temperature, the flow is gradually reduced by adjusting the temperature bulb, so that the flow of the circulating system is distributed to other outgoing paths of the system;
and step four, during thermal sterilization, the sterilization bulb controls the bypass piston, when the circulating hot water reaches a set temperature, the adjustment bulb controls the control piston to adjust and close the hot water channel, so that other routes of the system are quickly balanced, when the temperature is reduced, the control piston moves reversely, the hot water channel is opened, and all routes of the hot water system can reach the set temperature value.
8. The method for installing and using the constant temperature circulating valve according to claim 7, wherein the valve body is provided with a prefabricated heat preservation shell in a standard mode to play a role in heat preservation and heat insulation and avoid heat loss.
9. The method for installing and using the constant-temperature circulation valve according to claim 7, wherein the set temperature range of the circulating hot water is 35-60 ℃, and the preset temperature of the sterilization bulb is 60-70 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010993017.7A CN112032360A (en) | 2020-09-21 | 2020-09-21 | Constant-temperature circulating valve and installation and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010993017.7A CN112032360A (en) | 2020-09-21 | 2020-09-21 | Constant-temperature circulating valve and installation and use method thereof |
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| CN112032360A true CN112032360A (en) | 2020-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418224A (en) * | 2021-05-25 | 2021-09-21 | 唐山尚吉科技有限公司 | Hot water supply device and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418224A (en) * | 2021-05-25 | 2021-09-21 | 唐山尚吉科技有限公司 | Hot water supply device and system |
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Application publication date: 20201204 |