CN210486094U - Water seal device and hot water equipment with same - Google Patents

Abstract

The utility model discloses a water seal arrangement and hot water equipment that has it. This water seal arrangement includes: a housing; the condenser interface pipeline is arranged on the shell and provided with a first inlet and a first outlet, and the first inlet is suitable for being connected with a condenser; a safety valve interface line disposed on the housing, the safety valve interface line having a second inlet and a second outlet, the second inlet adapted to connect to a safety valve; wherein, be suitable for forming the water seal in the casing, first export and second export are located below the water seal. According to the utility model discloses a water seal arrangement possesses the drainage, seals the cigarette function to integrated relief valve pressure release drainage function, simplified hot water equipment's drainage mechanism, reduced hot water equipment's manufacturing cost.

Description

Water seal device and hot water equipment with same

Technical Field

The utility model relates to a condensing gas heating water heater field particularly, relates to a water seal arrangement and hot water equipment that has it.

Background

In the prior art, a condensing gas heating water heater (hereinafter referred to as a condensing furnace) generates condensed water during operation, and the condensing furnace needs to be provided with a drainage channel for draining the condensed water, wherein the drainage channel is communicated with the lower end of a combustion system of the condensing furnace. Therefore, smoke, waste gas and condensed water generated by combustion of the condensing furnace are discharged from the water drainage channel and directly discharged into a room, and a water sealing device is arranged on the water drainage channel to avoid safety accidents caused by the discharge of the smoke and the waste gas into the room. The water sealing device can only discharge condensed water but can not discharge smoke and waste gas. Condensate water in the water seal device needs to be discharged in time, otherwise, the condensate water is accumulated more and more, and finally flows back into a combustion system of the condensing furnace, so that the condensing furnace is damaged, and even safety accidents are caused.

For the condensing furnace, a pressure relief device, usually a safety valve, is also needed in the heating loop to prevent the loop from being excessively pressurized, and when the water pressure in the heating loop is excessively pressurized, the safety valve opens the valve to drain water, thereby protecting the safety of the heating loop. The drain pipe of the safety valve also needs to extend out of the condensing furnace and drain high-pressure water to a floor drain and the like.

The water seal device of the existing condensing furnace only has the functions of independently discharging condensed water and sealing smoke, does not have the function of preventing blockage, and also does not have the function of simultaneously discharging the pressure water discharged by the safety valve, and if the pressure water discharged by the safety valve is to be additionally increased, a water discharging device is required to be additionally arranged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides a water seal arrangement when possessing row's comdenstion water, sealing cigarette function, still has the function that the relief valve of discharging let out the water concurrently.

According to the utility model discloses a water seal arrangement includes: a housing; the condenser interface pipeline is arranged on the shell and provided with a first inlet and a first outlet, and the first inlet is suitable for being connected with a condenser; a safety valve interface line disposed on the housing, the safety valve interface line having a second inlet and a second outlet, the second inlet adapted to connect to a safety valve; wherein, be suitable for forming the water seal in the casing, first export and second export are located below the water seal.

According to the utility model discloses a water seal arrangement possesses the drainage, seals the cigarette function to integrated relief valve pressure release drainage function, simplified hot water equipment's drainage mechanism, reduced hot water equipment's manufacturing cost.

According to some embodiments of the present invention, the condenser interface line comprises: a first upper section and a first lower section, the relief valve interface line comprising: a second upper section and a second lower section, the first upper section and the second upper section being spaced apart, the first lower section being integrated with the second lower section to form a common lower section.

Furthermore, a water sealing cavity and a water drainage cavity which are separated from each other are formed in the shell, the common lower section is located in the water sealing cavity, and the water drainage cavity is provided with a water drainage cavity water drainage port.

Furthermore, a partition plate is arranged in the shell, the partition plate extends upwards from the inner bottom wall of the shell, and the partition plate partitions the water sealing cavity and the drainage cavity.

According to some embodiments of the utility model, the water seal arrangement still includes: prevent stifled sensing device, prevent stifled sensing device set up in the casing, prevent stifled sensor sets to be used for detecting water level in the casing and detect that the water level exceeds threshold value water level after send shut down signal to the equipment that has this water seal arrangement, wherein the threshold value water level is higher than first export with the second export.

Furthermore, a water seal cavity and a water drainage cavity which are separated from each other are formed in the shell, and the anti-blocking sensing device is arranged in the water drainage cavity and used for detecting whether the water level in the water drainage cavity exceeds the threshold water level or not.

Further: the anti-blocking sensing device comprises a liquid level gauge which is provided with a floater capable of floating and being sensed.

Further: the liquid level device comprises an installation rod, the installation rod penetrates through the shell, and the floater can be sleeved on the installation rod in a floating mode.

According to some embodiments of the invention, the housing comprises: the upper end surface of the base body is provided with an annular flange, the annular flange is spaced from the outer peripheral edge of the upper end surface of the base body, the bottom of the cover body is provided with a concave part and a peripheral wall surrounding the concave part, the annular flange is embedded into the concave part, the peripheral wall surrounds the annular flange, and the peripheral wall is pressed against the upper end surface of the base body.

According to another aspect of the present invention, a water heater includes the above water sealing device.

The advantages of the water heating device and the water sealing device are the same compared with the prior art, and are not described in detail herein.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is an exploded view of a water seal unit;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 2;

fig. 4 is a cross-sectional view of another exploded view of the water seal arrangement;

FIG. 5 is an assembled sectional view of the water seal device;

FIG. 6 is a cross-sectional view of the fluid level;

FIG. 7 is a connection diagram of the condensing furnace, the condenser, the relief valve pressure relief port and the water seal device when the drain port of the drain chamber is not blocked;

FIG. 8 is a connection view of the condensing furnace, the condenser, the relief valve and the water seal device when the drain port of the drain chamber is clogged.

Reference numerals:

the water sealing device 10, the shell 1, the water sealing cavity 11, the drainage cavity 12, the drainage cavity drainage port 121, the partition plate 13, the liquid level device 14, the floater 141, the liquid level device boss 142, the mounting rod 143, the nut 144, the mounting boss 145, the seat body 15, the annular flange 151, the cover body 16, the concave portion 161, the sealing gasket 17, the condenser interface pipeline 2, the first inlet 21, the first outlet 22, the first upper section 23, the first lower section 24, the safety valve interface pipeline 3, the second inlet 31, the second outlet 32, the second upper section 33, the second lower section 34, the choke plug 4, the condenser 20, the safety valve port 30 and the condensing furnace 100.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "horizontal", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The water seal 10 of the present invention can be used in a water heater, and for convenience of description, the water heater is used as the condensing furnace 100. The water seal device 10 according to the embodiment of the present invention is described in detail below with reference to fig. 1 to 8.

Referring to fig. 1 to 8, a water seal apparatus 10 according to an embodiment of the present invention may include: a shell 1, a condenser interface pipeline 2 and a safety valve interface pipeline 3.

As shown in fig. 3 and 8, the condenser interface pipeline 2 is disposed on the casing 1, the condenser interface pipeline 2 may be integrated with the casing 1, the condenser interface pipeline 2 has a first inlet 21 and a first outlet 22, and the first inlet 21 is adapted to be connected to the condenser 20; the safety valve interface pipeline 3 is arranged on the shell 1, the safety valve interface pipeline 3 can be integrated with the shell 1, the safety valve interface pipeline 3 is provided with a second inlet 31 and a second outlet 32, and the second inlet 31 is suitable for being connected with a safety valve pressure relief opening 30 of the safety valve; the housing 1 is adapted to form a water seal therein, and the first outlet 22 and the second outlet 32 are located below the water seal.

Referring to fig. 1, 7 and 8, the first inlet 21 is connected to the condenser 20 of the condensing furnace 100, and the flue gas and the condensed water discharged from the condenser 20 enter the water sealing device 10 through the first inlet 21. The second inlet 31 is connected with the safety valve pressure relief opening 30 of the condensing furnace 100, the safety valve pressure relief water discharged from the safety valve pressure relief opening 30 enters the water sealing device 10 through the second inlet 31, so that the water sealing device 10 plays a role of an original safety valve drainage device, a pressure relief opening is not required to be opened independently for the safety valve at the bottom of the condensing furnace 100, a safety valve pressure relief drainage pipe is saved, the cost is saved, and the appearance of the condensing furnace 100 is simplified.

The water seal device 10 is a three-way piece and can be simultaneously connected with the condenser 20, the safety valve pressure relief port 30 and the floor drain, so that the structure of the condensing furnace 100 is simpler, and the manufacturing cost is reduced.

For the condensing furnace 100, before use, a certain amount of water should be poured into the condenser 20, the water enters the housing 1 from the condenser interface pipeline 2 to form a water seal, the first outlet 22 and the second outlet 32 are located on the downstream side of the water seal, and the water seal can play a role in isolating gas such as flue gas and waste gas from flowing out from the first outlet 22 and the second outlet 32. The water sealing device 10 can only discharge water but cannot discharge smoke and waste gas, so that safety accidents caused by the fact that smoke and waste gas are discharged indoors are avoided.

Referring to fig. 7 and 8, a movement path of gas such as flue gas and waste gas is P, after the gas reaches the water seal, the gas is blocked by the water seal to block the discharge path, so that the gas cannot be discharged from the first outlet 22 and the second outlet 32, a movement path of condensed water is Q, a movement path of relief water of the safety valve is R, and after the condensed water and the relief water of the safety valve reach the water seal, the condensed water and the relief water of the safety valve can be further discharged from the water seal device 10.

The utility model discloses water seal arrangement 10 possesses the drainage, seals the cigarette function to integrated relief valve pressure release drainage function, simplified condensing furnace 100 drainage mechanism, reduced condensing furnace 100 manufacturing cost.

Referring to fig. 3 and 7, the condenser interface line 2 includes: a first upper section 23 and a first lower section 24, the relief valve interface line 3 comprising: the second upper section 33 and the second lower section 34, the first upper section 23 and the second upper section 33 are spaced apart, and the first lower section 24 and the second lower section 34 are integrated to form a common lower section, thereby saving materials and reducing the total weight of the water seal device 10.

Furthermore, a water seal cavity 11 and a water drainage cavity 12 are formed in the housing 1, the common lower section is located in the water seal cavity 11, the water drainage cavity 12 is provided with a water drainage cavity water outlet 121, when the water in the water seal cavity 11 reaches a certain amount, a part of water will enter the water drainage cavity 12, and the water in the water drainage cavity 12 can be drained through the water drainage cavity water outlet 121, for example, drained to a floor drain, so that the damage of the condensing furnace caused by the fact that condensed water flows back into a combustion system of the condensing furnace due to the fact that the condensed water is accumulated more and more.

The cavity that the sharing hypomere formed is the C chamber, the D chamber is another cavity of water seal chamber 11, the C chamber is connected with drainage cavity 12 in the D chamber, water seal chamber 11 is constituteed jointly in C chamber and D chamber, the water level line of C chamber and D chamber interface is water level T, when using water seal assembly 10, should pour into a certain amount of water into condenser 20 earlier, when the water level exceeded water level T, the flue gas just can' T get into the D chamber from the C chamber, water seal assembly 10 can play and seal the cigarette function.

Specifically, a partition plate 13 is arranged in the housing 1, the partition plate 13 extends upwards from the inner bottom wall of the housing 1, and the partition plate 13 separates the water seal cavity 11 from the drainage cavity 12, so that the water seal can be formed in the water seal cavity 11.

The first outlet 22 and the second outlet 32 may be above the partition plate 13, and the first outlet 22 and the second outlet 32 may be the same outlet, the horizontal line at the upper end of the partition plate 13 is the water level S, as the condenser 20 continuously discharges the condensed water to the water seal, the safety valve also discharges the water to the water seal when the pressure is released, the water level in the water seal continuously rises, when the water level exceeds the water level S, the water in the water seal cavity 11 flows into the water discharge cavity 12 through the first outlet 22 and the second outlet 32, and the water discharge cavity 12 may discharge the water out of the water seal device 10 through the water discharge cavity water discharge port 121.

Referring to fig. 2 to 8, the water seal device 10 may further include: the anti-blocking sensor is arranged in the shell 1, the anti-blocking sensor is arranged to be used for detecting the water level in the shell 1 and sending a shutdown signal to equipment with the water sealing device 10 after the detected water level exceeds a threshold water level, so that the water sealing device 10 has an anti-blocking function, wherein the threshold water level is higher than the first outlet 22 and the second outlet 32.

Further, a water seal cavity 11 and a water discharge cavity 12 are formed in the housing 1, and an anti-blocking sensing device is arranged in the water discharge cavity 12 and used for detecting whether the water level in the water discharge cavity 12 exceeds a threshold water level.

Prevent that stifled device upper end is fixed with casing 1, the threshold value water level can set up to be higher than first export 22 and second export 32, in other words, the threshold value water level can be higher than water level S, prevent that stifled sensor can detect whether the water level height in drainage chamber 12 surpasss the threshold value water level, if the water level height in drainage chamber 12 surpasss the threshold value water level, water seal arrangement 10 will send shut down signal for condensing furnace 100, condensing furnace 100 can stop burning after receiving the shut down signal, no longer produce the comdenstion water, thereby effectively prevent that amasss comdenstion water from pouring into condensing furnace 100' S combustion system, and then protection condensing furnace 100 avoids damaging.

That is to say, under the normal working condition of the water seal device 10, the drainage function of the drainage cavity drainage port 121 is normal, water cannot accumulate in the drainage cavity 12, water in the drainage cavity 12 can be drained in time through the drainage cavity drainage port 121, and when the drainage cavity drainage port 121 is blocked, along with the fact that water in the water seal cavity 11 gradually flows into the drainage cavity 12 through the first outlet 22 and the second outlet 32, the water level in the drainage cavity 12 is higher and higher, when the water level in the drainage cavity 12 reaches the threshold water level, the anti-blocking sensor detects a blocking signal, and sends a stop signal to the equipment with the water seal device 10, so as to prevent water in the drainage cavity 12 from entering the water seal cavity 11 again, the more the water accumulation is, and the combustion system further poured into the condensing furnace causes the damage of the condensing furnace.

Referring to fig. 6-8, in particular, the anti-clogging sensing means comprises a liquid level gauge 14, the liquid level gauge 14 having a float 141 that can float and be sensed. When the water level in the drainage chamber 12 rises to the position of the float 141, the float 141 moves upward under the action of buoyancy, so that a blockage signal is detected, and a stop signal can be sent to the hot water equipment to ensure the safety of the hot water equipment.

Further, the liquid level gauge 14 includes a mounting rod 143, the mounting rod 143 is disposed through the housing 1, and the float 141 is movably sleeved on the mounting rod 143, so that the float 141 can float upwards when the float 141 contacts with the water in the drainage chamber 12.

The upper end of the liquid level gauge 14 may be provided with a mounting boss 145, the mounting boss 145 may be a nut 144 fixed on the mounting rod 143, or may be integrally formed with the mounting rod 143, the nut 144 is further provided above the mounting boss 145, the mounting rod 143 is inserted into the casing 1, and the mounting rod 143 is clamped on the cover 16 by the nut 144 and the mounting boss 145, thereby realizing the fixation of the mounting rod 143 on the casing 1.

The lower end of the liquid level device 14 can be provided with a liquid level device boss 142, the liquid level device boss 142 can limit the lower end position of the floater 141 above a threshold water level line, when a drainage cavity drainage port 121 connected with a floor drain is blocked, drainage of the drainage cavity 12 is blocked, condensed water can be accumulated in the drainage cavity 12, the water level gradually rises, when the water level exceeds the threshold water level, the floater 141 floats on the water surface to move upwards, the liquid level device 14 is triggered to perform switching action, an alarm signal is transmitted to the condensing furnace 100 to stop burning, and therefore the condensing furnace 100 is protected.

Referring to fig. 1, 3, 4 and 5, the housing 1 may further include: the upper end face of the seat body 15 is provided with an annular flange 151, the annular flange 151 is spaced from the outer periphery edge of the upper end face of the seat body 15, the annular flange 151 protrudes upwards from the upper end face of the seat body 15, the bottom of the cover body 16 is provided with a concave portion 161 and a peripheral wall surrounding the concave portion 161, the concave portion 161 is sunken upwards, the annular flange 151 is embedded in the concave portion 161, the peripheral wall surrounds the annular flange 151, and the peripheral wall is pressed against the upper end face of the seat body 15.

The seat body 15 and the cover body 16 are connected with the concave portion 161 in a matching manner through the annular flange 151, the annular flange 151 and the concave portion 161 can play a limiting role, so that the relative position of the seat body 15 and the cover body 16 is accurate, and the sealing performance of the joint of the seat body 15 and the cover body 16 is improved in a nesting and matching manner of the annular flange 151 and the concave portion 161. Can also be equipped with sealed the pad 17 between pedestal 15 and the lid 16, sealed pad 17 can play the sealed effect to the pedestal 15 and the 16 junction of lid, prevents that the junction from spilling water and flue gas, and both sides can also be equipped with the bolt hole about pedestal 15 and the lid 16, and the bolt hole is worn to establish by the bolt, through spiro union mode fastening pedestal 15 and lid 16.

The condenser interface pipeline 2 and the safety valve interface pipeline 3 can be arranged on the cover body 16, and the water seal cavity 11 and the drainage cavity 12 can be positioned in the seat body 15.

The lower end of the seat body 15 can be provided with the plug 4, the plug 4 is detachably arranged at the bottom of the water seal cavity 11, the plug 4 can play a role in sealing the water seal cavity 11, and the plug 4 can be detached to drain water in emergency.

According to another aspect of the present invention, a water heater includes the water seal assembly 10 of the above embodiment. The hot water device may be a condensing furnace 100, and other configurations of the condensing furnace 100 are well known to those skilled in the art, and thus are not described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A water seal apparatus, comprising:

a housing;

the condenser interface pipeline is arranged on the shell and provided with a first inlet and a first outlet, and the first inlet is suitable for being connected with a condenser;

a safety valve interface line disposed on the housing, the safety valve interface line having a second inlet and a second outlet, the second inlet adapted to connect to a safety valve;

wherein, be suitable for forming the water seal in the casing, first export and second export are located below the water seal.

2. The water seal arrangement of claim 1, wherein said condenser interface line includes: a first upper section and a first lower section, the relief valve interface line comprising: a second upper section and a second lower section, the first upper section and the second upper section being spaced apart, the first lower section being integrated with the second lower section to form a common lower section.

3. The water seal assembly of claim 2, wherein the housing has a water seal chamber and a water discharge chamber formed therein, the common lower section is located in the water seal chamber, and the water discharge chamber has a water discharge opening.

4. The water seal assembly of claim 3, wherein a partition plate is disposed in the housing, the partition plate extending upward from the inner bottom wall of the housing, the partition plate separating the water seal chamber and the water discharge chamber.

5. The water seal assembly of claim 1, further comprising: prevent stifled sensing device, prevent stifled sensing device set up in the casing, prevent stifled sensor sets to be used for detecting water level in the casing and detect that the water level exceeds threshold value water level after send shut down signal to the equipment that has this water seal arrangement, wherein the threshold value water level is higher than first export with the second export.

6. The water seal assembly according to claim 5, wherein a water seal chamber and a water discharge chamber are formed in the housing, and the anti-blocking sensing device is disposed in the water discharge chamber and is configured to detect whether the water level in the water discharge chamber exceeds the threshold water level.

7. The water seal arrangement of claim 6, wherein the anti-blocking sensor arrangement comprises a liquid level gauge having a float that can float and be sensed.

8. The water seal assembly of claim 7, wherein the liquid level gauge includes a mounting rod, the mounting rod is disposed through the housing, and the float is floatingly fitted over the mounting rod.

9. The water seal arrangement of claim 1, wherein the housing comprises: the upper end surface of the base body is provided with an annular flange, the annular flange is spaced from the outer peripheral edge of the upper end surface of the base body, the bottom of the cover body is provided with a concave part and a peripheral wall surrounding the concave part, the annular flange is embedded into the concave part, the peripheral wall surrounds the annular flange, and the peripheral wall is pressed against the upper end surface of the base body.

10. A hot water installation, characterized in that it comprises a water seal according to any one of claims 1-9.

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