CN103591692A - Gas water heater - Google Patents
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- CN103591692A CN103591692A CN201310535268.0A CN201310535268A CN103591692A CN 103591692 A CN103591692 A CN 103591692A CN 201310535268 A CN201310535268 A CN 201310535268A CN 103591692 A CN103591692 A CN 103591692A
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Abstract
The invention discloses a gas water heater. The gas water heater comprises a heat exchanger and a pipeline water drainage device, wherein the heat exchanger is provided with a water inlet pipe and a water outlet pipe, and the pipeline water drainage device comprises a controller, an electromagnetic valve and an air pump. The electromagnet valve and the air pump are arranged on the air inlet pipe in the water inlet direction of the water inlet pipe in sequence, an exhaust path of the air pump is communicated with the water inlet pipe, and the controller is respectively and electrically connected with the air pump and the electromagnetic valve. The controller is used for controlling the electromagnet valve to be closed to close the water inlet pipe, and controlling the air pump to be started to blow for the air inlet pipe. Accumulated water in pipelines of the gas water heater is drained through the pipeline water drainage device, the pipelines are blown-dry by strong air, and therefore the occurrence that water scale is produced by the accumulated water inside the pipelines and adheres to the walls of the pipelines is prevented, the heat exchanging efficiency of the gas water heater is improved, safety and health of the hot water output by the gas water heater can be guaranteed, the water accumulated in the pipelines for a long time is prevented from corroding the pipelines, and the service life of the gas water heater is prolonged.
Description
Technical field
The present invention relates to gas heater technical field, especially relate to a kind of gas heater with draining anti-scaling function.
Background technology
In the daily water consumption of certain areas, contain more calcium, magnesium ion, water hardness is higher, after gas heater is finished using, in its pipeline, still accumulate and have water, water in pipeline under static state easily produces incrustation scale and coheres on tube wall, particularly the inwall of the heat exchanger tube of heat exchanger has after incrustation scale, can cause great impact to the heat exchange efficiency of gas heater.Cohering incrustation scale on gas heater tube wall also can breed bacteria, polluted water, thus the healthy of user impacted.In addition, accumulating in for a long time water in gas heater pipeline also can corrosion pipeline, the service life of reducing gas heater.
Summary of the invention
Main purpose of the present invention is to provide a kind of gas heater, is intended to drain the ponding in gas heater pipeline, prevents that tube wall from producing incrustation scale and preventing that pipeline is by ponding corrosion, thereby improves the heat exchange efficiency of gas heater, guarantees that water safety is healthy simultaneously.
To achieve these objectives, the present invention proposes a kind of gas heater, it comprises the heat exchanger with water inlet pipe and outlet pipe, this gas heater also comprises pipeline drainage arrangement, described pipeline drainage arrangement comprises controller, magnetic valve and air pump, according to the water inlet direction of described water inlet pipe, on described water inlet pipe, set gradually described magnetic valve and described air pump, the exhaust passage of described air pump is communicated with described water inlet pipe, described controller is electrically connected to described air pump and described magnetic valve respectively, wherein: described controller controls described closed electromagnetic valve to cut out described water inlet pipe, and control described air pump startup so that described water inlet pipe is carried out to air blast.
Preferably, the connecting pipeline between described air pump and described water inlet pipe is provided with check valve.
Preferably, described pipeline drainage arrangement also comprises drainpipe and Electrocontrolled tee valve, described controller is electrically connected to described Electrocontrolled tee valve, one end of described drainpipe is communicated with described outlet pipe via described Electrocontrolled tee valve, wherein: described controller controls described closed electromagnetic valve to cut out described water inlet pipe, control described in described Electrocontrolled tee valve conducting drainpipe and close described outlet pipe, and controlling described air pump and start so that described water inlet pipe is carried out to air blast.
Preferably, described pipeline drainage arrangement also comprises drainpipe and first row water solenoid valve and second row water solenoid valve, described controller is electrically connected to described first row water solenoid valve and second row water solenoid valve respectively, described drainpipe is communicated with described outlet pipe, and described first row water solenoid valve is set on described outlet pipe, described second row water solenoid valve is set on described drainpipe, wherein: described controller controls described closed electromagnetic valve to cut out described water inlet pipe, controlling described first row water solenoid valve closes and controls described second row water solenoid valve and open to close drainpipe described in described outlet pipe and conducting, and control described air pump startup so that described water inlet pipe is carried out to air blast.
Preferably, described gas heater also comprises the apparatus for eliminating sludge being arranged on described water inlet pipe, this apparatus for eliminating sludge is provided with the scale remover chamber being communicated with described water inlet pipe, connecting pipeline between described scale remover chamber and described water inlet pipe is provided with scale removal magnetic valve, wherein: described outlet pipe close and the state of described drainpipe conducting under, described controller is controlled described scale removal magnetic valve and is opened with the connecting pipeline between scale remover chamber described in conducting and described water inlet pipe.
Preferably, described apparatus for eliminating sludge also comprises the Venturi tube that is communicated with described scale remover chamber and described water inlet pipe, this Venturi tube comprises and flows into the conducting connecting portion that flows into end and described outflow end described in end, outflow end and conducting, described conducting connecting portion arranges a via, and described scale remover chamber is communicated with the via of described conducting connecting portion setting by a pipeline.
Preferably, described apparatus for eliminating sludge also comprises check valve or the Buffer Pool on the connecting pipeline being arranged between described scale remover chamber and described water inlet pipe.
Preferably, this gas heater also comprises pipeline drainage arrangement, described pipeline drainage arrangement comprises controller, Electrocontrolled tee valve, magnetic valve, air pump and drainpipe, described controller respectively with described Electrocontrolled tee valve, magnetic valve and air pump are electrically connected to, according to the water outlet direction of described outlet pipe, on described outlet pipe, set gradually described air pump and described magnetic valve, the exhaust passage of described air pump is communicated with described outlet pipe, one end of described drainpipe is communicated with described water inlet pipe via described Electrocontrolled tee valve, wherein: described controller controls described Electrocontrolled tee valve and cuts out drainpipe described in described water inlet pipe and conducting, control described closed electromagnetic valve to close described outlet pipe, and control described air pump startup so that described outlet pipe is carried out to air blast.
Preferably, described Electrocontrolled tee valve is substituted by the first row water solenoid valve and the second row water solenoid valve that are separately positioned on described water inlet pipe and described drainpipe, described controller is electrically connected to described first row water solenoid valve and described second row water solenoid valve respectively, wherein: described controller controls described first row water solenoid valve and cuts out and control described second row water solenoid valve and open to cut out drainpipe described in described water inlet pipe and conducting, control described closed electromagnetic valve to close described outlet pipe, and control described air pump startup so that described outlet pipe is carried out to air-blowing.
Preferably, the connecting pipeline between described air pump and described outlet pipe is provided with check valve.
A kind of gas heater provided by the present invention, on the pipeline of its water flowing, be provided with for draining the pipeline drainage arrangement of pipeline ponding, when gas heater is finished using, pipeline drainage arrangement automatically starts or starts under user's manual operation, now the water inlet pipe of gas heater is closed, the air pump that is arranged on water inlet pipe or outlet pipe place starts so that pipeline is carried out to air blast, ponding in pipeline is discharged by outlet pipe or drainpipe under strong wind action, pipeline is dried up by high wind simultaneously, thereby prevent the water generates incrustation scale accumulating in pipeline and cohere on tube wall, both improved the heat exchange efficiency of gas heater, can guarantee again the hot water safety and Health of gas heater output, in addition, by the ponding in pipeline is drained, also can prevent from accumulating in for a long time the scale erosion pipeline in pipeline, extended the service life of gas heater.
Accompanying drawing explanation
Fig. 1 is the structural representation of gas heater the first embodiment of the present invention;
Fig. 2 is the structural representation of gas heater the second embodiment of the present invention;
Fig. 3 is the structural representation of gas heater of the present invention the 3rd embodiment;
Fig. 4 is the structural representation of gas heater of the present invention the 4th embodiment;
Fig. 5 is the structural representation of apparatus for eliminating sludge first embodiment of gas heater of the present invention;
Fig. 6 is the structural representation of apparatus for eliminating sludge second embodiment of gas heater of the present invention;
Fig. 7 is the structural representation of apparatus for eliminating sludge the 3rd embodiment of gas heater of the present invention;
Fig. 8 is the structural representation of apparatus for eliminating sludge the 4th embodiment of gas heater of the present invention;
Fig. 9 is the structural representation of gas heater of the present invention the 5th embodiment;
Figure 10 is the structural representation of gas heater of the present invention the 6th embodiment.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is the structural representation of gas heater the first embodiment of the present invention.
The gas heater that the present embodiment provides, it comprises burner 12, and is the air inlet pipeline 13 that burner 12 supplies fuel gas, with the heat exchanger 10 of water inlet pipe 14 and outlet pipe 15, and is the smoke pipe 11 of burner 12 and heat exchanger 10 discharging waste gas.Described burner 12 is for heat exchanger 10 is heated, and heat exchanger 10, for the current of heat exchanger 10 pipelines of flowing through are carried out to heat exchange processing, heats current thereby realize.When gas heater is finished using, water inlet pipe 14 is closed, although now cut off the supply channel of gas heater, also remains water in pipeline.In the daily water consumption of certain areas, contain more calcium, magnesium ion, water hardness is higher, when the idle time of gas heater is longer, water in pipeline under static state easily produces incrustation scale and coheres on tube wall, thereby reduces the heat exchange efficiency of gas heater, in the pipeline of sealing, long-time standing water also can breed bacteria, particularly, when gas heater just starts, the hot water water quality of its output is poor, very easily user's health is impacted.In addition, accumulating in for a long time water in pipeline also can corrosion pipeline, and for example, the water pipe that copper material is made easily produces verdigris (patina), not only can reduce the heat exchange efficiency of gas heater, the service life that also can reduce gas heater.
In order to prevent that the water flowing tube wall of gas heater from generating incrustation scale and preventing that ventilating water pipe is by ponding corrosion; the gas heater of the present embodiment also comprises pipeline drainage arrangement; when gas heater is finished using; by this pipeline drainage arrangement, water residual in gas heater pipeline is drained, thereby reach, prevent that incrustation scale from generating and protecting pipeline not to be subject to the object of corrosion.Particularly, this pipeline drainage arrangement comprises controller (not shown), magnetic valve 20 and air pump 30, according to the water inlet direction of water inlet pipe 14, on this water inlet pipe 14, set gradually magnetic valve 20 and air pump 30, the exhaust passage of air pump 30 is communicated with water inlet pipe 14, magnetic valve 20 is for cutting out and conducting water inlet pipe 14, controller is electrically connected to magnetic valve 20 and air pump 30 respectively, and controller is used for according to user's control instruction or according to the working state control magnetic valve 20 of gas heater and opening or closing of air pump 30.Generally, the Starting mode of pipeline drainage arrangement comprises two kinds: Starting mode one, after gas heater is finished using, and the draining button that user can be arranged on by pressing control panel place carrys out primer liner drainage arrangement; For example, after Starting mode two, the Preset Time (, 2 seconds, 3 seconds or any suitable Preset Time) of finishing using when gas heater is finished using or when gas heater, pipeline drainage arrangement starts automatically.When pipeline drainage arrangement starts, controller controls magnetic valve 20 and cuts out water inlet pipe 14, and control air pump 30 startups so that water inlet pipe 14 is carried out to air blast, water in pipeline discharges under strong wind action, for example, by being communicated with the gondola water faucet of outlet pipe 15, discharge, air pump 30 continued to 14 air blast a period of times of water inlet pipe, with by pipeline Quick-air-drying, keep the dry and clean of pipeline, thereby prevent that the ponding in pipeline from producing incrustation scale on tube wall, and play protection pipeline effect, improved the heat exchange efficiency of gas heater, guaranteed the hot water safety and Health of gas heater output, also extended the service life of gas heater.
Further; as shown in Figure 1; under the normal mode of operation of gas heater; magnetic valve 20 is in conducting state; hydraulic pressure in water inlet pipe 14 is larger; in order to prevent that the water in water inlet pipe 14 from flowing in air pump 30 by the connecting pipeline between air pump 30 and water inlet pipe 14 is counter; on connecting pipeline between air pump 30 and water inlet pipe 14, be also provided with check valve 23; this check valve 23 allows the air-flow of air pump 30 to pass through toward water inlet pipe 14 1 sides; and stop the current direction air pump 30 of water inlet pipe 14 sides, thereby reach the object of protection air pump 30.
In the present embodiment, gas heater is not only for taking a shower, can also the multiple way union with several taps be installed at outlet pipe 15 places of gas heater, realize the central water supply of gas heater, for example, the hot water of gas heater is tapped into kitchen or washing room, thereby improves the utilization rate of gas heater.For this gas heater with complicated delivery pipeline, original outlet pipeline is difficult to meet the requirement of air blast draining, in order to improve the drainage effect of gas heater, can not impact its outlet pipeline simultaneously, example as shown in Figure 1, pipeline drainage arrangement also comprises drainpipe 16 and Electrocontrolled tee valve 24, controller is electrically connected to this Electrocontrolled tee valve 24, one end of drainpipe 16 is communicated with outlet pipe 15 via Electrocontrolled tee valve 24, the commutation by controlling this Electrocontrolled tee valve 24 is to realize two interconvertible water stream channels, wherein, after gas heater is finished using, controller control is positioned at the magnetic valve 20 at water inlet pipe 14 places and closes water inlet pipe 14, control Electrocontrolled tee valve 24 conducting drainpipes 16 and close outlet pipe 15, and control air pump 30 startups so that water inlet pipe 14 is carried out to air blast, now, under air effect in blasting water inlet pipe 14, water in gas heater pipeline is discharged by the drainpipe 16 of conducting, therefore the water in the delivery pipeline being communicated with outlet pipe 15 can not discharged, also can not close because of the water valve on delivery pipeline cannot draining, drainage effect is better, and drainage procedure does not need artificial participation, simple and convenient, thereby prevent that the ponding in pipeline from producing incrustation scale on tube wall, and play protection pipeline effect, improved the heat exchange efficiency of gas heater, guaranteed the hot water safety and Health of gas heater output, also extended the service life of gas heater.
Referring to Fig. 2, Fig. 2 is the structural representation of gas heater the second embodiment of the present invention.
In the present embodiment, being arranged on outlet pipe 15 also can be by the first row water solenoid valve 21 being separately positioned on outlet pipe 15 with the Electrocontrolled tee valve 24 of drainpipe 16 connectivity parts, substitute with the second row water solenoid valve 22 being arranged on drainpipe 16, controller is electrically connected to this first row water solenoid valve 21 and second row water solenoid valve 22 respectively, wherein, first row water solenoid valve 21 is preferably normally open solenoid valve, and second row water solenoid valve 22 is preferably normally closed solenoid valve, thereby saves electric energy.When gas heater is finished using, control gas heater and enter discharging mode, controller controls the magnetic valve 20 being arranged on water inlet pipe 14 and cuts out water inlet pipe 14, control first row water solenoid valve 21 is closed and is controlled second row water solenoid valve 22 and opens to close outlet pipe 15 and conducting drainpipe 16, and control air pump 30 startups so that water inlet pipe 14 is carried out to air blast, therefore, the drainage effect that the pipeline drainage arrangement of the present embodiment reaches and the drainage effect of above-described embodiment are equal to, can effectively prevent that the ponding in pipeline from producing incrustation scale on tube wall, and play protection pipeline effect, improved the heat exchange efficiency of gas heater, guaranteed the hot water safety and Health of gas heater output, also extended the service life of gas heater.
Referring to Fig. 3 and Fig. 4, Fig. 3 is the structural representation of gas heater of the present invention the 3rd embodiment; Fig. 4 is the structural representation of gas heater of the present invention the 4th embodiment.
In the present embodiment, have on the basis of tubes rows water function realizing gas heater, in order further to improve the cleannes of pipeline, the incrustation scale cohering on tube wall is cleared up, thereby improve the heat exchange efficiency of gas heater and guarantee that the hot water of gas heater output is healthy and safe, the gas heater of the present embodiment also has pipeline descaling function.Particularly, this gas heater also comprises the apparatus for eliminating sludge 40 being arranged on water inlet pipe 14, this apparatus for eliminating sludge 40 is provided with the scale remover chamber being communicated with water inlet pipe 14, scale remover chamber is used for holding scale remover, by the scale remover in filling line and incrustation scale generation chemical reaction, generate salt soluble in water and carbon dioxide so that the incrustation scale on tube wall is removed.Scale remover chamber has scale remover and adds mouth and scale remover flow export, for convenient, add scale remover and scale remover chamber is carried out to cleaning, the preferred scale remover chamber of the present embodiment is the box like structure removably connecting with apparatus for eliminating sludge 40, and this box like structure can be connected with apparatus for eliminating sludge 40 by buckle structure or screw etc.Connecting pipeline between scale remover chamber and water inlet pipe 14 is provided with scale removal magnetic valve 401(and refers to shown in Fig. 5 to Fig. 8), when control gas heater enters scale removal pattern, controller is controlled scale removal magnetic valve 401 and is opened, control Electrocontrolled tee valve 24 and close outlet pipe 15 and conducting drainpipe 16, or, control first row water solenoid valve 21 is closed and is controlled second row water solenoid valve 22 and opens to close outlet pipe 15 and conducting drainpipe 16, thereby by the connecting pipeline conducting between scale remover chamber and water inlet pipe 14, scale remover flows in water inlet pipe 14 and with the flow through pipeline of gas heater of current, and when drainpipe there are flowing out, by Electrocontrolled tee valve 24 or second row water solenoid valve 22, close drainpipe 16, make the incrustation scale on scale remover and pipeline inner wall chemical reaction fully occur so that incrustation scale is dissolved, and then conducting drainpipe 16, make sewage discharge and pipeline-cleaning is clean.It is worth mentioning that, in the process of scale removal, can also control gas heater and start burner 12 the water in pipeline is heated to the high temperature of 70 ℃～80 ℃, both can accelerate to remove the speed of incrustation scale, can make again the chemical reaction of scale remover and incrustation scale more abundant, thereby improve descale effect.
Referring to Fig. 7 and Fig. 8, Fig. 7 is the structural representation of apparatus for eliminating sludge the 3rd embodiment of gas heater of the present invention; Fig. 8 is the structural representation of apparatus for eliminating sludge the 4th embodiment of gas heater of the present invention.
The apparatus for eliminating sludge 40 that the present embodiment provides, also comprise the Venturi tube 50 that is communicated with scale remover chamber and water inlet pipe 14, Venturi tube 50 is communicated with water inlet pipe 14 is in parallel, the water inlet and the delivery port that are Venturi tube 50 are all connected on water inlet pipe 14, therefore can not impact the flow of inlet water of gas heater.Wherein, this Venturi tube 50 comprises the conducting connecting portion 503 that flows into this inflow end 501 of end 501, outflow end 502 and conducting and outflow end 502, the conducting connecting portion 503 of Venturi tube 50 is provided with a via, scale remover chamber by a pipeline (for example, copper pipe or plastic hose) be communicated with the via of these conducting connecting portion 503 settings, scale remover in scale remover chamber injects Venturi tube 50 by this via, and then flows in the current in water inlet pipe 14.The inflow end 501 of Venturi tube 50, the caliber of outflow end 502 is all greater than the caliber of conducting connecting portion 503, therefore successively from flowing into end 501, the flow rate of water flow first increases and then decreases of conducting connecting portion 503 and outflow end 502 processes, flow rate of water flow in conducting connecting portion 503 is maximum, therefore in conducting connecting portion 503, form a negative pressuren zone, thereby can produce certain suction-operated to the scale remover chamber being communicated with conducting connecting portion 503, when opening the scale removal magnetic valve 401 of the connecting pipeline between scale remover chamber and water inlet pipe 14, scale remover in scale remover chamber injects Venturi tube 50 under the suction-operated of Venturi tube 50.
Further, for example, shown in Fig. 5 to Fig. 8, in the present embodiment, for the scale remover in scale remover chamber can only be flowed in water inlet pipe 14, and current in water inlet pipe 14 can not flow into scale remover chamber, the apparatus for eliminating sludge that the present embodiment provides, also comprise be arranged on scale remover chamber and water inlet pipe 14 connecting pipeline on check valve 402 or Buffer Pool 403, or, check valve 402 or Buffer Pool 403 are arranged on the connecting pipeline between scale remover chamber and the conducting connecting portion 503 of Venturi tube 50, wherein, the effect of Buffer Pool 403 is equivalent to check valve 402.
Referring to Fig. 9, Fig. 9 is the structural representation of gas heater of the present invention the 5th embodiment.
The pipeline drainage arrangement that the present embodiment provides comprises controller (not shown), Electrocontrolled tee valve 24 ', magnetic valve 20 ', air pump 30 ' and drainpipe 16 ', controller respectively with Electrocontrolled tee valve 24 ', magnetic valve 20 ' and air pump 30 ' electrical connection, according to the water outlet direction of outlet pipe 15 on outlet pipe 15, set gradually this air pump 30 ' and magnetic valve 20 ', air pump 30 ' exhaust passage be communicated with outlet pipe 15, magnetic valve 20 ' for when gas heater enters discharging mode, close outlet pipe 15, drainpipe 16 ' one end via Electrocontrolled tee valve 24 ' be communicated with water inlet pipe 14, different from above-described embodiment is, the air pump 30 of the pipeline drainage arrangement of the present embodiment ' be arranged on outlet pipe 15, and water in pipeline is by the drainpipe 16 ' discharge being communicated with water inlet pipe 14, the pipeline drainage arrangement of the drainage effect that it reaches and above-described embodiment is equal to.Generally, the Starting mode of pipeline drainage arrangement comprises two kinds: Starting mode one, after gas heater is finished using, and the draining button that user can be arranged on by pressing control panel place carrys out primer liner drainage arrangement; For example, after Starting mode two, the Preset Time (, 2 seconds, 3 seconds or any suitable Preset Time) of finishing using when gas heater is finished using or when gas heater, pipeline drainage arrangement starts automatically.When pipeline drainage arrangement starts, controller control Electrocontrolled tee valve 24 ' close water inlet pipe 14 and conducting drainpipe 16 ', control magnetic valve 20 ' close outlet pipe 15, and control air pump 30 ' startup so that outlet pipe 15 is carried out to air blast, now, under air effect in blasting outlet pipe 15, water in pipeline is by the drainpipe 16 ' discharge of conducting, air pump 30 ' continuation is to 15 air blast a period of times of outlet pipe, so that pipeline is air-dry, keep the dry and clean of pipeline, thereby prevent that the ponding in pipeline from producing incrustation scale on tube wall, and play protection pipeline effect, improved the heat exchange efficiency of gas heater, guaranteed the hot water safety and Health of gas heater output, also extended the service life of gas heater.
Referring to Figure 10, Figure 10 is the structural representation of gas heater of the present invention the 6th embodiment.
In the present embodiment, be arranged on the Electrocontrolled tee valve 24 of water inlet pipe 14 and drainpipe 16 ' connectivity part ' also can by be separately positioned on first row water solenoid valve 21 on water inlet pipe 14 ', with be arranged on drainpipe 16 ' on second row water solenoid valve 22 ' substitute, controller respectively with this first row water solenoid valve 21 ' and second row water solenoid valve 22 ' be electrically connected to, wherein, first row water solenoid valve 21 ' be preferably normally open solenoid valve, second row water solenoid valve 22 ' be preferably normally closed solenoid valve, thus electric energy further saved.When pipeline drainage arrangement starts, controller control the magnetic valve 20 be arranged on outlet pipe 15 ' close outlet pipe 15 ', control first row water solenoid valve 21 ' close and control second row water solenoid valve 22 ' open to close water inlet pipe 14 and conducting drainpipe 16 ', and control air pump 30 ' startup so that outlet pipe 15 is carried out to air blast, water in pipeline under strong wind action by the drainpipe 16 ' discharge of conducting, therefore the drainage effect that, the pipeline drainage arrangement of the present embodiment reaches and drainage effect embodiment illustrated in fig. 9 are equal to.
Further; as shown in Figure 9 and Figure 10; for prevent water in outlet pipe 15 by air pump 30 ' and outlet pipe 15 between connecting pipeline counter flow to air pump 30 ' in; air pump 30 ' and outlet pipe 15 between connecting pipeline on be also provided with check valve 23 '; this check valve 23 ' permission air pump 30 ' air-flow toward outlet pipe 15 1 sides, pass through; and stop the current direction air pump 30 of outlet pipe 15 sides ', thereby reach protection air pump 30 ' object.
Gas heater of the present invention, on the pipeline of its water flowing, be provided with for draining the pipeline drainage arrangement of pipeline ponding, after gas heater is finished using, primer liner drainage arrangement is to drain the ponding in pipeline, thereby prevent the water generates incrustation scale accumulating in pipeline and cohere on tube wall, both improved the heat exchange efficiency of gas heater, can guarantee again the hot water safety and Health of gas heater output, in addition, also can prevent from accumulating in for a long time the scale erosion pipeline in pipeline, extend the service life of gas heater.
Should be understood that; these are only the preferred embodiments of the present invention; can not therefore limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a gas heater, comprise the heat exchanger with water inlet pipe and outlet pipe, it is characterized in that: this gas heater also comprises pipeline drainage arrangement, described pipeline drainage arrangement comprises controller, magnetic valve and air pump, according to the water inlet direction of described water inlet pipe, on described water inlet pipe, set gradually described magnetic valve and described air pump, the exhaust passage of described air pump is communicated with described water inlet pipe, and described controller is electrically connected to described air pump and described magnetic valve respectively, wherein:
Described controller controls described closed electromagnetic valve to cut out described water inlet pipe, and controls described air pump startup so that described water inlet pipe is carried out to air blast.
2. gas heater according to claim 1, is characterized in that: the connecting pipeline between described air pump and described water inlet pipe is provided with check valve.
3. gas heater according to claim 1, it is characterized in that: described pipeline drainage arrangement also comprises drainpipe and Electrocontrolled tee valve, described controller is electrically connected to described Electrocontrolled tee valve, and one end of described drainpipe is communicated with described outlet pipe via described Electrocontrolled tee valve, wherein:
Described controller controls described closed electromagnetic valve to cut out described water inlet pipe, controls described in described Electrocontrolled tee valve conducting drainpipe and closes described outlet pipe, and controlling described air pump and start so that described water inlet pipe is carried out to air blast.
4. gas heater according to claim 1, it is characterized in that: described pipeline drainage arrangement also comprises drainpipe and first row water solenoid valve and second row water solenoid valve, described controller is electrically connected to described first row water solenoid valve and second row water solenoid valve respectively, described drainpipe is communicated with described outlet pipe, and described first row water solenoid valve is set on described outlet pipe, described second row water solenoid valve is set on described drainpipe, wherein:
Described controller controls described closed electromagnetic valve to cut out described water inlet pipe, control described first row water solenoid valve and close and control described second row water solenoid valve and open to close drainpipe described in described outlet pipe and conducting, and control described air pump and start so that described water inlet pipe is carried out to air blast.
5. according to the gas heater described in claim 3 or 4, it is characterized in that: described gas heater also comprises the apparatus for eliminating sludge being arranged on described water inlet pipe, this apparatus for eliminating sludge is provided with the scale remover chamber being communicated with described water inlet pipe, connecting pipeline between described scale remover chamber and described water inlet pipe is provided with scale removal magnetic valve, wherein:
Described outlet pipe close and the state of described drainpipe conducting under, described controller is controlled described scale removal magnetic valve and is opened with the connecting pipeline between scale remover chamber described in conducting and described water inlet pipe.
6. gas heater according to claim 5, it is characterized in that: described apparatus for eliminating sludge also comprises the Venturi tube that is communicated with described scale remover chamber and described water inlet pipe, this Venturi tube comprises and flows into the conducting connecting portion that flows into end and described outflow end described in end, outflow end and conducting, described conducting connecting portion arranges a via, and described scale remover chamber is communicated with the via of described conducting connecting portion setting by a pipeline.
7. gas heater according to claim 5, is characterized in that: described apparatus for eliminating sludge also comprises check valve or the Buffer Pool on the connecting pipeline being arranged between described scale remover chamber and described water inlet pipe.
8. a gas heater, comprise the heat exchanger with water inlet pipe and outlet pipe, it is characterized in that: this gas heater also comprises pipeline drainage arrangement, described pipeline drainage arrangement comprises controller, Electrocontrolled tee valve, magnetic valve, air pump and drainpipe, described controller respectively with described Electrocontrolled tee valve, magnetic valve and air pump are electrically connected to, according to the water outlet direction of described outlet pipe, on described outlet pipe, set gradually described air pump and described magnetic valve, the exhaust passage of described air pump is communicated with described outlet pipe, one end of described drainpipe is communicated with described water inlet pipe via described Electrocontrolled tee valve, wherein:
Described controller controls described Electrocontrolled tee valve and cuts out drainpipe described in described water inlet pipe and conducting, controls described closed electromagnetic valve to close described outlet pipe, and controls described air pump and start so that described outlet pipe is carried out to air blast.
9. gas heater according to claim 8, it is characterized in that: described Electrocontrolled tee valve is substituted by the first row water solenoid valve and the second row water solenoid valve that are separately positioned on described water inlet pipe and described drainpipe, described controller is electrically connected to described first row water solenoid valve and described second row water solenoid valve respectively, wherein:
Described controller controls described first row water solenoid valve and cuts out and control described second row water solenoid valve and open to cut out drainpipe described in described water inlet pipe and conducting, control described closed electromagnetic valve to close described outlet pipe, and control described air pump startup so that described outlet pipe is carried out to air-blowing.
10. gas heater according to claim 8 or claim 9, is characterized in that: the connecting pipeline between described air pump and described outlet pipe is provided with check valve.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104406303A (en) * | 2014-11-07 | 2015-03-11 | 欧承晏 | Gas water heater descaling device and descaling method thereof |
| CN106247622A (en) * | 2016-09-30 | 2016-12-21 | 芜湖美的厨卫电器制造有限公司 | Water heater antiscaling device and water heater |
| CN112611107A (en) * | 2020-11-17 | 2021-04-06 | 郭俊符 | Water heating kang heater |
| CN113639460A (en) * | 2021-09-14 | 2021-11-12 | 华帝股份有限公司 | Self-cleaning system and self-cleaning method for gas water heater |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104406303A (en) * | 2014-11-07 | 2015-03-11 | 欧承晏 | Gas water heater descaling device and descaling method thereof |
| CN106247622A (en) * | 2016-09-30 | 2016-12-21 | 芜湖美的厨卫电器制造有限公司 | Water heater antiscaling device and water heater |
| CN106247622B (en) * | 2016-09-30 | 2022-03-18 | 芜湖美的厨卫电器制造有限公司 | Water heater scale inhibition device and water heater |
| CN112611107A (en) * | 2020-11-17 | 2021-04-06 | 郭俊符 | Water heating kang heater |
| CN113639460A (en) * | 2021-09-14 | 2021-11-12 | 华帝股份有限公司 | Self-cleaning system and self-cleaning method for gas water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103591692B (en) | 2017-01-04 |
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Effective date of registration: 20220726 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |
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