CN210374031U

CN210374031U - Gas equipment

Info

Publication number: CN210374031U
Application number: CN201920957575.0U
Authority: CN
Inventors: 梁国荣
Original assignee: Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-04-21
Anticipated expiration: 2029-06-21

Abstract

The utility model relates to a gas utensil product technical field provides gas equipment, including hot water supply return circuit and heat exchanger, the heat exchanger is provided with the comdenstion water collecting part, gas equipment is still including the branch road that supplies water, supply water branch road one end and connect the outlet of comdenstion water collecting part, the other end inserts the hot water supply return circuit, it is provided with filter assembly on the road to supply water. According to the gas equipment, the water supply branch is arranged between the condensed water collecting component and the hot water supply loop, so that condensed water can be guided into the hot water supply loop, and the condensed water can be recovered. The water supply branch is provided with a filter component for filtering the condensed water, so that the condensed water entering the hot water supply loop meets the use requirement. The gas equipment well solves the pollution problem caused by direct drainage of condensed water, and solves the discharge problem of the condensed water by recycling the condensed water.

Description

Gas equipment

Technical Field

The utility model relates to a gas utensil product technical field especially relates to a gas equipment.

Background

With the gradual popularization of the policy of changing coal into gas in northern China, the sales volume of gas appliance products such as wall-mounted furnaces, water heaters and the like is increased explosively. The condensing furnace is more and more favored by consumers due to the characteristics of high efficiency and low emission. Condensed water is generated in the operation process of the condensing furnace, is acidic, and can corrode a pipe duct and a structure if the condensed water is directly discharged without being treated; when the aquatic product is discharged into a water body, the pH value of the water body can be changed, and the growth of aquatic organisms and fishery production are interfered and influenced; when the fertilizer is discharged into farmlands, the property of soil can be changed, so that the soil is acidified and crops are damaged; acid feed loss is also a waste. Therefore, the wastewater is recycled as much as possible or is treated to ensure that the pH value of the wastewater is between 6 and 9 and then the wastewater can be discharged into a water body.

At present, most condensing furnace users do not have relevant treatment for condensed water discharge, condensing furnace manufacturers are limited in the specification that condensed water cannot be directly discharged, and final condensed water discharge is not treated in a standard way.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

One of the purposes of the utility model is that: the utility model provides a gas equipment, the pollution problem that the comdenstion water that exists among the prior art directly discharges and lead to is solved.

In order to realize this purpose, the utility model provides a gas equipment, including hot water supply return circuit and heat exchanger, the heat exchanger is provided with the comdenstion water collecting part, gas equipment is still including supplying water the branch road, it connects to supply water branch road one end the outlet of comdenstion water collecting part, the other end inserts the hot water supply return circuit, it is provided with filter parts on the road to supply water.

In one embodiment, a purified water cavity and a water pump are further arranged on the water supply branch, and the purified water cavity is provided with a liquid level detection component.

In one embodiment, a condensed water cavity is further arranged on the water supply branch, and the filter component comprises a reverse osmosis filter element arranged in the condensed water cavity.

In one embodiment, the condensed water cavity and the purified water cavity are formed in the water storage container and are sequentially arranged along the water flow direction of the water supply branch, and the filtering component comprises a reverse osmosis membrane positioned between the condensed water cavity and the purified water cavity.

In one embodiment, the water storage container is located below the condensed water collecting member.

In one embodiment, the water supply branch is provided with a one-way valve communicated along the water flow direction.

In one embodiment, the hot water supply circuit is a heating circuit, and two ends of the heating circuit are connected with two ends of a heat exchange tube in the heat exchanger.

In one embodiment, the gas fired appliance further includes a combustion chamber and a smoke collection cage formed with a suction port located below the combustion chamber, the heat exchanger being located between the combustion chamber and the suction port.

In one embodiment, the fume collecting hood includes a suction portion at which the suction port is formed and a fume exhaust passage extending from the suction portion to a top of a gas appliance.

In one embodiment, the heat exchanger comprises a heat exchange water pipe, and a waterway convex closure is arranged at the corner of the heat exchange water pipe.

The technical scheme of the utility model has following advantage: the utility model discloses a gas equipment owing to be provided with the water supply branch road between comdenstion water collecting element and hot water supply return circuit, and then can be with the leading-in to the hot water supply return circuit of comdenstion water to the realization is to the recovery of comdenstion water. The water supply branch is provided with a filter component for filtering the condensed water, so that the condensed water entering the hot water supply loop meets the use requirement. The gas equipment well solves the pollution problem caused by direct drainage of condensed water, and solves the discharge problem of the condensed water by recycling the condensed water.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a gas appliance of an embodiment;

in the figure: 1. a fan; 2. a smoke evacuation channel; 3. a suction section; 4. a combustion chamber; 5. a waterway convex hull; 6. a heat exchanger; 7. driving the pump; 8. a water pump; 9. a one-way valve; 10. a heating water return port; 11. a heating water outlet; 12. a reverse osmosis membrane; 13. a condensed water cavity; 14. a purified water cavity; 15. a liquid level detection part.

Detailed Description

The following describes embodiments of the present invention in further detail 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.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, according to an embodiment of the present invention, a gas appliance is provided, including a hot water supply loop and a heat exchanger 6, the heat exchanger 6 is provided with a condensed water collecting component, the gas appliance further includes a water supply branch, a water outlet of the condensed water collecting component is connected to one end of the water supply branch, the other end of the water supply branch is connected to the hot water supply loop, and a filtering component is disposed on the water supply branch.

According to the gas equipment, the water supply branch is arranged between the condensed water collecting component and the hot water supply loop, so that condensed water can be guided into the hot water supply loop, and the condensed water can be recovered. The water supply branch is provided with a filter component for filtering the condensed water, so that the condensed water entering the hot water supply loop meets the use requirement. The gas equipment well solves the pollution problem caused by direct drainage of condensed water, and solves the discharge problem of the condensed water by recycling the condensed water.

In one embodiment, the water supply branch is further provided with a purified water cavity 14 and a water pump 8, the purified water cavity 14 is provided with a liquid level detection part 15, the liquid level detection part 15 controls the water pump 8 to be turned on when detecting that the water level reaches a set value, and controls the water pump 8 to be turned off when the water level is lower than a minimum limit value.

The speed of the condensed water generated in the gas equipment is lower than the water pumping speed of the water pump 8. Therefore, if the water pump 8 is always on, energy is wasted. In addition, the water pump is always turned on, so that the water supply of the water supply branch is insufficient, the water pump 8 can be damaged in advance, and noise can be generated at the water pump 8. Based on this, this embodiment sets up the water pump 8 that stops at an interval, and only when satisfying the start condition the water pump 8 just opens.

Specifically, a purified water chamber 14 for storing purified water is provided in the water supply branch. The purified water refers to water obtained through filtration treatment. Only when the liquid level in the purified water cavity 14 reaches a set value, the water pump 8 is started, so that the working safety of the water pump 8 is ensured, and the working noise of the water pump 8 is reduced. Once the liquid level in the purified water chamber 14 reaches a minimum value, the water pump 8 is turned off and the pumping of water to the hot water supply circuit is stopped.

The specific form of the liquid level detection unit 15 is not limited.

In one embodiment, the liquid level detection unit 15 employs a liquid level detector comprising a detector high needle and a detector low needle. When the water level in the purified water cavity 14 is detected to be lower than the low needle of the detector, the water pump 8 stops working; when the water level in the purified water cavity 14 is detected to be over the high needle of the detector, the water pump 8 is started. The liquid level detector sends the detection signal to the controller, and the controller controls the water pump based on the detection signal.

Of course, the start and stop of the water pump 8 are controlled by the liquid level of the purified water container, the working time of the gas equipment can be counted, and when the working time of the gas equipment reaches the set time, the water pump 8 is started to pump the purified water in the purified water cavity 14 into the hot water supply loop. On the basis, the water pumping time of the water pump 8 is counted, when the water pumping time reaches a set value, the water pump 8 stops pumping water, and the counting of the working time of the gas equipment is restarted.

It should be noted that, the water in the water supply branch is pumped into the hot water supply loop, so that water can be recovered, waste of water resources is avoided, heat carried by condensed water can be recovered, and waste of energy is avoided.

In one embodiment, a condensed water cavity 13 is further disposed on the water supply branch, and the filtering component includes a reverse osmosis filter element disposed in the condensed water cavity 13. By arranging the condensed water cavity 13 on the water supply branch, the condensed water enters the condensed water cavity 13 after being discharged from the water outlet of the condensed water collecting component. On this basis, the reverse osmosis filter core among the comdenstion water cavity 13 can filter the comdenstion water, will have corrosivity originally and carry the comdenstion water of impurity to purify, obtains the purified water that meets the requirements.

In fig. 1, a condensed water cavity 13 and a purified water cavity 14 are formed in the water storage container and are sequentially arranged along the water flow direction of the water supply branch. Because the condensed water cavity 13 and the purified water cavity 14 are formed in the same water storage container, the internal space of the gas equipment can be saved, and the preparation cost is reduced.

Further, the filtering part includes a reverse osmosis membrane 12 between the condensed water chamber 13 and the purified water chamber 14. Through the setting of this reverse osmosis membrane 12, can further guarantee that the purified water that obtains satisfies the user demand.

In fig. 1, the water storage container is located below the condensed water collecting component, and then the condensed water in the condensed water collecting component can enter the water storage container under the action of gravity, without additionally arranging a power driving unit. And under the condition that the water storage container is positioned below the condensed water collecting component, the whole internal components of the gas equipment are inverted, and even if a pipeline leaks, the condensed water cannot corrode the surface of the heat exchanger or the combustion chamber.

Further, a check valve 9 that is opened in the water flow direction is provided in the water supply branch. By the provision of the non-return valve 9, the backflow of water on the hot water supply circuit can be prevented.

In one embodiment, the hot water supply circuit is a heating circuit, and two ends of the heating circuit are connected with two ends of a heat exchange water pipe in the heat exchanger 6.

In one embodiment, the gas-fired device is a condensing furnace, so that heat carried by flue gas in the gas-fired device can be more fully recovered.

Referring to fig. 1, the gas appliance further includes a combustion chamber 4 and a smoke collecting hood formed with a suction port located below the combustion chamber 4, and a heat exchanger 6 located between the combustion chamber 4 and the suction port. The high-temperature flue gas from the combustion chamber 4 is introduced into a heat exchange air pipe in the heat exchanger 6 to heat liquid in a heat exchange water pipe of the heat exchanger so as to recover heat in the high-temperature flue gas. Then under the action of the fume collecting hood, the fume is discharged from the heat exchanger 6, enters the fume collecting hood through the suction port, and is discharged to the outside of the gas equipment from the fume collecting hood under the action of the fan 1.

In fig. 1, the smoke collecting hood includes a suction portion 3 and a smoke exhaust passage 2, the suction portion 3 is located below a combustion chamber 4, and a suction port is formed in the suction portion 3. The flue 2 extends from the suction part 3 to the top of the gas appliance. Because smoke evacuation channel 2 is extended to the gas equipment top by suction portion 3, and then the flue gas is in the time of through smoke evacuation channel 2, and the temperature can further reduce, avoids the heat to discharge to the outside of gas equipment to cause the influence to atmospheric temperature.

Moreover, because the combustion chamber 4 is arranged above, and further under the action of the fan 1, external air directly enters the combustion chamber 4 from the top of the gas equipment, compared with the traditional situation that air enters the combustion chamber 4 from the bottom, the scheme can facilitate the air to enter the combustion chamber 4, prevent the gas proportion in the combustion chamber 4 from being too high, and ensure the normal work of the combustion chamber 4.

In fig. 1, a fan 1 is provided on the top of a gas appliance. Specifically, the gas equipment comprises a shell, and the combustion chamber 4, the heat exchanger 6, the smoke collecting hood and the water supply branch are all arranged inside the shell. On this basis, the fan 1 is arranged inside the housing above the combustion chamber 4. Open fan 1, inside outside air got into the casing under fan 1 effect to in the middle of from top to bottom entering combustion chamber 4, the high temperature flue gas that the burning obtained was discharged by combustion chamber 4 bottom, gets into in the heat exchanger 6, and finally gets into the top of casing through smoke exhaust passage 2 of collection petticoat pipe, finally by the casing discharge under fan 1's effect.

In one embodiment, the heat exchanger 6 comprises a heat exchange water pipe, and a waterway convex hull 5 is arranged at the corner of the heat exchange water pipe. The arrangement of the waterway convex closure 5 can reduce the water resistance of the corner position heat exchange water pipe, ensure the working efficiency of the heat exchanger 6 and reduce the working noise of the heat exchanger 6.

Wherein, the structure that the convex closure of water route is used for reducing corner position water resistance for setting up in heat transfer water pipe corner can be used for realizing among any prior art that the same purpose structure can all contain the utility model discloses a in the middle of the heat exchanger 6.

In fig. 1, a drive pump 7 is provided in the hot water supply circuit, the drive pump 7 is provided at a heating return port 10, and a heating water outlet 11 is connected to a domestic water drain port, so that water in the hot water supply circuit is finally discharged together with domestic water.

The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.

Claims

1. The gas equipment comprises a hot water supply loop and a heat exchanger, wherein the heat exchanger is provided with a condensed water collecting component, and the gas equipment is characterized by further comprising a water supply branch, one end of the water supply branch is connected with a water outlet of the condensed water collecting component, the other end of the water supply branch is connected into the hot water supply loop, and a filtering component is arranged on the water supply branch.

2. The gas equipment as claimed in claim 1, wherein the water supply branch is further provided with a purified water cavity and a water pump, and the purified water cavity is provided with a liquid level detection component.

3. The gas-fired equipment according to claim 2, wherein a condensed water cavity is further provided on the water supply branch, and the filtering component comprises a reverse osmosis filter element provided in the condensed water cavity.

4. The gas-fired equipment according to claim 3, wherein the condensed water cavity and the purified water cavity are formed in the water storage container and are sequentially arranged along the water flow direction of the water supply branch, and the filtering component comprises a reverse osmosis membrane positioned between the condensed water cavity and the purified water cavity.

5. The gas fired appliance of claim 4, wherein the water reservoir is located below the condensate collection component.

6. The gas-fired apparatus according to claim 4, wherein a check valve that conducts in a water flow direction is provided on the water supply branch.

7. The gas appliance according to any one of claims 1 to 6, wherein the hot water supply circuit is a heating circuit, and both ends of the heating circuit are connected with both ends of a heat exchange pipe in the heat exchanger.

8. The gas fired device according to any one of claims 1 to 6, further comprising a combustion chamber and a fume collecting hood formed with a suction port located below the combustion chamber, the heat exchanger being located between the combustion chamber and the suction port.

9. The gas fired appliance of claim 8, wherein the fume collection hood includes a suction portion and a smoke evacuation passageway, the suction port being formed in the suction portion, the smoke evacuation passageway extending from the suction portion to a top of the gas appliance.

10. The gas-fired equipment according to any one of claims 1 to 6, characterized in that the heat exchanger comprises heat exchange water pipes, and waterway convex hulls are arranged at corners of the heat exchange water pipes.