CN214342197U - Energy-saving channel type dish washing machine capable of prolonging service life of electromagnetic valve - Google Patents
Energy-saving channel type dish washing machine capable of prolonging service life of electromagnetic valve Download PDFInfo
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- CN214342197U CN214342197U CN202021556728.XU CN202021556728U CN214342197U CN 214342197 U CN214342197 U CN 214342197U CN 202021556728 U CN202021556728 U CN 202021556728U CN 214342197 U CN214342197 U CN 214342197U
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Abstract
The utility model relates to a can improve solenoid valve life's energy-conserving passageway formula dish washer, including main wash water tank, waste water heat recovery unit, the washing room, heating package and heat exchanger, waste water heat recovery unit is connected with main wash water tank, heat exchanger locates the top of washing room, heat exchanger's air inlet is connected with the gas vent of washing room, heat exchanger's first water inlet is connected with the water source, first delivery port is connected with waste water heat recovery unit, waste water heat recovery unit's second delivery port is connected with the heating package, the rinsing water feed liquor pipe of heating package is including the first horizontal pipeline, first vertical pipeline and the horizontal pipeline of second that connect gradually, the top of first horizontal pipeline is located to the horizontal pipeline of second, be equipped with filter, relief pressure valve and solenoid valve on the first horizontal pipeline in proper order. By adopting the structure, the energy-saving heat recovery device has the beneficial effects of good energy-saving effect and improved heat recovery efficiency.
Description
Technical Field
The utility model relates to a commercial dish washer technical field, specific theory is about an energy-conserving channel formula dish washer that can improve solenoid valve life.
Background
Commercial dishwashers are mainly divided into: under-counter dish-washing machines, lid-uncovering dish-washing machines, tunnel dish-washing machines, and long-dragon dish-washing machines. The channel type dishwasher belongs to a full-automatic basket type machine and mainly comprises a stainless steel main washing water tank, an electric box, a washing chamber, a heating bag, a spraying pipeline, a main washing pipeline, a conveying track and a transmission motor assembly. When in work: the washing basket loads needs abluent tableware, puts into passageway formula dish washer entry, and dish washer is automatic will wash the basket and transmit into dish washer, and when washing the basket and reacing the main wash region, trigger the main wash signal, the dish washer main wash pump draws the water in the main wash tank and passes through the main arm of washing, and direct injection is on the tableware surface, washes away the washing to food waste and greasiness on the tableware, and the main wash water after the tableware falls back again to the main wash tank in. The washing basket reaches the rinsing area after passing through the main washing area, a rinsing signal is triggered, the electromagnetic valve is opened, high-temperature water in the heating bag is extruded through water inlet and sprayed onto the surface of the tableware through the rinsing spraying arm, and finally the high-temperature water falls into the main washing water tank.
However, the conventional tunnel type dishwasher has the following problems:
(1) in the prior channel type dish washer, an air outlet is arranged above a washing chamber, and hot air generated in the using process is discharged to the outside from the air outlet. On the one hand, the ambient temperature is affected, and on the other hand, the part of heat is not lack of reasonable recycling, so that the energy is greatly wasted.
(2) When the washing machine is used, tableware is washed through main washing and rinsing every time, and the fixed external high-temperature water enters the main washing water tank in the rinsing process every time, so that the water level of the main washing water tank is gradually increased, and the gradually increased water is discharged through the overflow pipe to generate waste water which can not be reused. The hot water has the water temperature of over 60 ℃ and is not reasonably recycled. Therefore, the existing dish washer collects and stores hot waste water through a heat recovery device, and meanwhile, a spiral coil is installed in the heat recovery device, normal-temperature tap water which is about to enter the dish washer is arranged inside the coil, heat exchange is generated between the internal normal-temperature water and the external high-temperature waste water when the internal normal-temperature water flows through the spiral coil, and after the heat exchange, the temperature of the internal normal-temperature water rises. By the mode, the initial temperature of the water entering the heating bag is improved, so that the heat required for heating the rinsing water of the heating bag to 80-85 ℃ is reduced, the heating energy consumption is reduced, the heating time is shortened, and the purpose of saving energy is achieved. However, the conventional waste water heat recovery apparatus has the following problems:
1) the waste water heat recovery device is an independent component independent of the dishwasher, and when the dishwasher is installed at a client, a pipeline between the main washing water tank and the waste water heat recovery device needs to be connected to fix the heat recovery device and the dishwasher. The workload is increased compared to mounting the dishwasher separately. Meanwhile, an extra installation space is needed, so that the original limited space in the kitchen is narrower.
2) The position of the waste water heat recovery device of the existing dishwasher is arranged on the side surface of the dishwasher and below the operating platform, and if the waste water heat recovery device needs to be cleaned, the operating platform must be detached, so that the cleaning operation is complex and the cleaning difficulty is high.
3) During the cleaning process of the machine, a large amount of water is washed on the tableware and the inner wall of the periphery of the machine cover body, and the cover body of the existing dish-washing machine is a single-layer stainless steel plate, so that the heat insulation effect is poor;
4) the existing commercial dishwasher is provided with a wastewater overflow rod in a wastewater heat recovery device, an overflow port is arranged above the wastewater overflow rod, and when the liquid level of high-temperature wastewater in the wastewater heat recovery device is higher than the overflow port of the wastewater overflow rod, the high-temperature wastewater is discharged into a sewer through a wastewater discharge port. Due to the stratification effect of the still hot water in the tank, i.e. in the hot water the higher the water level the higher the water temperature. Therefore, the temperature of the waste water discharged from the waste water heat recovery device of the existing commercial dishwasher is higher than that of the waste water remained at the bottom of the waste water heat recovery device, so that the heat recovery efficiency is reduced.
(3) The existing main water washing tank is provided with a water level switch assembly which comprises a magnetic floating ball switch and an inductor, wherein the main water washing tank is provided with a hole, and the inductor is fixed outside the hole through a fixing piece and used for receiving a signal indicating whether the magnetic floating ball switch is disconnected or not and sending the signal to a controller so as to control whether water enters or not. However, the dishwasher has some vibration in the work process, and after long-time work, the fixing piece is easy to fall off, thereby influencing the sensing effect of the sensor.
(4) In the existing channel type dish washing machine, a filter, a pressure reducing valve and an electromagnetic valve are sequentially arranged on a rinsing water inlet pipe of a heating bag, and the rinsing water inlet pipe is usually horizontally arranged above or on the side edge of the heating bag. When the dishwasher is not used, namely the water feeding of the heating bag is stopped, the temperature of the heating bag is still maintained at about 80 ℃. The electromagnetic valve consists of a coil and an iron core, and when the temperature exceeds the temperature born by coil insulating paint, the coil needs to be burnt. Typically, the maximum temperature to which the solenoid valve is subjected is 60 ℃. Consequently, set up in the top of heating the package when rinsing water inlet tube level, the temperature of heating the package passes through thermal radiation (direction upwards), conducts the rinsing water inlet tube with the heat easily to lead to the solenoid valve overheated, influence the life of solenoid valve. When the rinsing water inlet tube level set up in the side of heating package, the hot water in the heating package can carry out the heat exchange with the rinsing water inlet tube to lead to the solenoid valve to be heated, influence solenoid valve's life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can improve solenoid valve life's energy-conserving channel formula dish washer to solve the problem that life is low, the rate of heat recovery is low of current channel formula dish washer's solenoid valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an energy-saving channel type dish washer capable of prolonging the service life of an electromagnetic valve comprises a main washing water tank, a waste water heat recovery device, a washing chamber, a heating bag and a heat exchanger, wherein the waste water heat recovery device is connected with the main washing water tank,
the heat exchanger is arranged above the washing chamber, an air inlet, a first water outlet and an air outlet are arranged on the heat exchanger, an air outlet is arranged above the washing chamber, the air outlet is connected with the air inlet of the heat exchanger, the first water inlet of the heat exchanger is connected with a water source, the first water outlet is connected with the waste water heat recovery device, after the heat exchanger exchanges heat between externally input tap water and hot air in the heat exchanger, the tap water with the temperature increased is output to the waste water heat recovery device for heat re-exchange, and the tap water with the temperature increased is output to the heating bag; the structure adopts the heat exchanger and the waste water heat recovery device to carry out secondary heat exchange on tap water in sequence, and efficiently recovers the hot air exhausted by the washing chamber and the heat of hot water in the main washing water tank, so that the heat recovery efficiency is high, and the energy-saving efficiency is good;
the rinsing water feed liquor pipe of heating package is including the first horizontal pipeline, first vertical pipeline and the second horizontal pipeline that connect gradually, and the top of first horizontal pipeline is located to the second horizontal pipeline, be equipped with filter, relief pressure valve and solenoid valve on the first horizontal pipeline in proper order to make rinsing water feed liquor pipe form one section overhead structure, hot-air almost can't radiate on the first horizontal pipeline, consequently can't radiate the solenoid valve. By adopting the mode, the service life of the electromagnetic valve can be greatly prolonged.
According to the utility model discloses, the air exit is connected with a fan, discharges the air after the heat transfer to the environment through the fan.
According to the utility model discloses, the top of washing room is equipped with the heat recovery cover, be equipped with in the heat recovery cover heat exchanger and fan, further prevent heat loss.
According to the utility model discloses, the upper portion of main wash water tank is equipped with first overflow mouth, waste water heat reclamation device's upper portion is equipped with the waste water inlet, waste water inlet and first overflow mouth pass through the overflow pipe connection, and when the water level in main wash water tank was higher than first overflow mouth, high temperature waste water in the main wash water tank passed through in the overflow pipe flows into waste water heat reclamation device.
According to the utility model discloses, be equipped with second water inlet and second delivery port on the waste water heat reclamation device, be equipped with hot exchange pipe among the waste water heat reclamation device, hot exchange pipe's one end is connected with the second water inlet, and the other end passes through the second delivery port and is connected with the heating package, waste water heat reclamation device passes through after hot exchange pipe carries out the heat exchange with the high temperature waste water among the running water of external input and the waste water heat reclamation device, the output has the running water that the temperature promoted to give the heating package.
According to the utility model, a pair of conveying rails is symmetrically arranged at the front side and the rear side of the washing chamber and used for conveying the washing basket, a washing basket receiving buckle is arranged on the conveying rails, and the washing basket receiving buckle is matched with the washing basket;
the washing machine is characterized in that one or more pushing feet are respectively and rotatably connected to the front plate and the rear plate of the washing chamber and used for pushing the washing basket, one end of each pushing foot is higher than the conveying rail when in a natural state, and the other end of each pushing foot is lower than the conveying rail, so that the washing basket can only be conveyed from one direction, and the pushing feet are used for limiting the conveying direction of the washing basket.
Furthermore, the pushing foot is provided with a shaft hole and a limiting hole, the front plate and the rear plate of the washing chamber are provided with round shafts, and the shaft hole penetrates through the round shafts and can rotate relative to the round shafts; the front plate and the rear plate of the washing chamber are also provided with limiting rods, and the limiting rods penetrate through the limiting holes to prevent the pushing feet from rotating 180 ℃ along the circular shaft. When the pushing foot is pressed down by the gravity of the cleaning basket, the pushing foot rotates to push the high end of the foot to press down. Because the setting of gag lever post, promote the foot and can not continue to rotate along the direction that the high-end of promoting the foot pushed down, when wasing the basket and leave, promote the foot and return to initial condition because the dead weight, the one end that promotes the foot promptly is higher than the transfer orbit, and one end is less than the transfer orbit.
According to the utility model, the main washing pipeline is arranged in the washing chamber, the spraying pipeline is arranged on the right side or the left side of the main washing pipeline,
the washing machine is characterized in that a first induction device and a second induction device are respectively installed at the front end and the rear end of the washing chamber, the first induction device is in induction connection with a main washing water pump in a main washing water tank, and the second induction device is in induction connection with an electromagnetic valve.
According to the utility model discloses, be equipped with water level switch subassembly on the main wash water tank, including magnetic force float switch and inductor, be equipped with the trompil on the main wash water tank, the inductor stretches into in the trompil, magnetic force float switch is connected with the inductor response for whether signal of magnetic force float switch disconnection is received, and give the controller with signal transmission, when the water level is enough, the floater floats, does not have magnetic force, and magnetic force float switch disconnection, the signal is received to the inductor, gives control system with the signal, and control solenoid valve closes etc. stops into water.
According to the utility model, a second drain pipe is arranged in the waste water heat recovery device, a second overflow port is arranged at the upper part of the second drain pipe, an overflow conduit is sleeved outside the second drain pipe, so that an annular diversion cavity is formed between the overflow conduit and the second drain pipe, the overflow conduit is a stainless steel pipe, the bottom of the overflow conduit is positioned at the middle lower part of the second drain pipe, namely the bottom of the overflow conduit is higher than the bottom of the second drain pipe, so that the bottom of the waste water recovery device is communicated with the bottom of the annular diversion cavity, the waste water is convenient to press into the annular diversion cavity, the upper part of the overflow conduit is higher than the second overflow port, the waste water entering the waste water heat recovery device has a guiding function before overflowing, the high-temperature waste water is isolated by the overflow conduit, the waste water cannot be directly drained through the second overflow port, the low-temperature waste water at the bottom can only be pressed into the annular diversion cavity through the bottom of the overflow conduit, and is discharged when reaching the second overflow port.
Furthermore, the bottom end of the overflow conduit is provided with three or more supports, the number of the supports is preferably four, and when the overflow conduit is used, the supports are fixed at the bottom of the waste water heat recovery device, so that the overflow conduit is fixed in the waste water heat recovery device.
Further, in order to avoid the low-temperature wastewater from flowing out of the upper part of the overflow conduit and then entering the wastewater heat recovery device again, the distance between the upper end of the overflow conduit and the second overflow port is more than 3 cm.
Furthermore, the upper portion of hot exchange pipe is located to the second overflow mouth for hot exchange pipe is by high temperature waste water submergence, and normal atmospheric temperature running water passes through the inside of second water inlet entering hot exchange pipe, utilizes hot exchange pipe's pipe wall, and normal atmospheric temperature running water carries out the heat exchange with high temperature waste water in waste water heat reclamation device, flows out the running water that has the uniform temperature through the second delivery port and to the heating package of dish washer, can improve the utilization ratio of heat energy.
Furthermore, the heat exchange tube is a double-layer spiral heat exchange tube, the heat exchange tube increases the internal volume of the coil and reduces the overall volume of the coil, and the effective volume in the tube is larger than the water consumption for cleaning a single basket. When the normal temperature tap water enters the heat exchange tube, the normal temperature tap water rapidly enters the heat exchange tube and then passes through the double-layer spiral heat exchange tube to reach the second water outlet, and the normal temperature tap water and the wastewater in the wastewater heat recovery device generate the best heat exchange effect.
Furthermore, the second water inlet and the second water outlet are arranged above the waste water heat recovery device, and when normal-temperature tap water enters the heat exchange pipe, the normal-temperature tap water rapidly enters the heat exchange pipe, firstly goes from top to bottom, then goes from bottom to top, and reaches the second water outlet through the double-layer spiral structure, so that the best heat exchange effect is generated with waste water in the waste water heat recovery device. Meanwhile, the second water inlet and the second water outlet are both arranged above the waste water heat recovery device, so that the double-layer spiral heat exchange tube is convenient to install.
Furthermore, the bottom of the waste water heat recovery device is connected with the bottom of the main washing water tank through a drain pipe.
Furthermore, the bottom of the main washing water tank is provided with a first drainage port, a first drainage pipe is inserted into the first drainage port, the first drainage pipe is connected with the first drainage port in a sealing mode through an O-shaped ring, the bottom of the waste water heat recovery device is provided with a second drainage port, and the second drainage pipe is connected with the second drainage port in a sealing mode through the O-shaped ring. When water needs to be drained, the first drain pipe of the main washing water tank and the second drain pipe of the waste water heat recovery device are pulled out, so that the main washing water tank and the bottom of the waste water heat recovery device are communicated, and water drainage is realized.
Furthermore, the upper portion of the left side of the main washing water tank is provided with an opening, the upper end of the waste water heat recovery device penetrates through the main washing water tank through the opening, an upper cover is arranged above the waste water heat recovery device, and the junction of the waste water heat recovery device and the main washing water tank is connected in a welding mode to prevent water leakage.
Furthermore, the upper cover is arranged inside the main washing water tank and directly covers the waste water heat recovery device; or the upper cover is connected with the top of the waste water heat recovery device through hinges and the like, and the flip cover can be realized by adopting a hinge connection mode, so that the operation is more convenient.
The utility model discloses a can improve solenoid valve life's energy-conserving channel formula dish washer, its beneficial effect is:
1. this structure adopts heat exchanger and waste water heat recovery device in proper order to carry out the secondary heat transfer to the running water, and the hot-water heat in high-efficient recovery washing room exhaust hot-air and the main wash water tank for the running water that gets into the heating package only need replenish a small amount of heat energy just can reach the rinsing requirement again, therefore its heat recovery efficiency is high, and energy-conserving efficient is good.
2. The rinsing water inlet pipe is arranged in an overhead structure, and hot air can hardly radiate to the first horizontal pipe and thus cannot radiate to the solenoid valve. By adopting the mode, the service life of the electromagnetic valve can be greatly prolonged.
3. The sensor of the water level switch assembly directly extends into the main washing water tank, the sensing effect is good, and the detection result is accurate and reliable; in addition, the structure is stable and is not easy to fall off.
4. Since the hot water has a stratification effect, that is, the water temperature is higher at a higher water level in the still hot water, the overflow pipe is connected to the upper portions of the main wash water tank and the wastewater heat recovery device, so that the water at the upper portion of the main wash water tank enters a region of the wastewater heat recovery device where the water temperature is high, thereby stabilizing the effect of water temperature stratification in the wastewater heat recovery device.
5. The overflow guide pipe sleeve is arranged outside the second overflow port, and the upper part of the overflow guide pipe sleeve is higher than the second overflow port, so that low-temperature water at the bottom of the waste water heat recovery device can be discharged firstly, the heat recovery efficiency is increased, the problem that when the water level in the waste water heat recovery device reaches the drainage overflow port, high-temperature waste water directly passes through the drainage overflow port to be discharged out of the dish washing machine, and great heat energy waste is caused is solved.
6. The upper cover is arranged above the waste water heat recovery device, so that the waste water heat recovery device utilizes the cleaning function of the dish-washing machine to clean the waste water heat recovery device arranged in the dish-washing machine, and the waste water heat recovery device is kept clean.
Drawings
FIG. 1 is a schematic rear view of an energy-saving channel type dishwasher capable of prolonging the service life of an electromagnetic valve according to the present invention;
FIG. 2 is a schematic left side view of the energy-saving channel type dishwasher capable of prolonging the service life of the electromagnetic valve according to the present invention;
FIG. 3 is a schematic rear view of the lower portion of the energy-saving channel type dishwasher capable of prolonging the service life of the solenoid valve according to the present invention;
FIG. 4 is a schematic front view of the lower part of the energy-saving channel type dishwasher capable of prolonging the service life of the electromagnetic valve according to the present invention;
fig. 5 is a schematic structural view of the waste water heat recovery device of the present invention.
Fig. 6 is a partially enlarged view of a portion a of fig. 1.
Detailed Description
The energy-saving channel type dish washer capable of prolonging the service life of the electromagnetic valve of the invention is further described in detail with reference to the specific drawings. In the description of the present embodiment, unless otherwise specified, the terms "upper", "lower", "front", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or assembly referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-5, for the utility model discloses a can improve solenoid valve life's energy-conserving passageway formula dish washer, including main water tank 1, waste water heat recovery unit 2, washing room 3, electric box 4, heating package 5, driving motor subassembly 6 and heat exchanger 60, the below of washing room 3 is equipped with main water tank 1, heating package 5, driving motor subassembly 6 and waste water heat recovery unit 2, the top of washing room 3 is equipped with electric box 4 and heat exchanger 60.
As shown in fig. 2, a rinse water inlet pipe 90 is arranged on the heating bag 5, the rinse water inlet pipe 90 includes a first horizontal pipe 91, a first vertical pipe 92 and a second horizontal pipe 93 which are connected in sequence, the second horizontal pipe 93 is arranged above the first horizontal pipe 91, and a filter 94, a pressure reducing valve 95 and an electromagnetic valve 96 are arranged on the first horizontal pipe 91 in sequence, so that the rinse water inlet pipe 90 forms a section of overhead structure, and hot air can hardly radiate onto the first horizontal pipe 91, and therefore can not radiate onto the electromagnetic valve 96. In this manner, the service life of the solenoid valve 96 may be greatly increased.
The front side and the rear side of the washing chamber 3 are symmetrically provided with a pair of conveying rails 31 for conveying the cleaning basket, the conveying rails 31 are provided with cleaning basket receiving buckles, and the cleaning basket receiving buckles are matched with the cleaning basket. It should be noted that the wash basket receiving catch is a wash basket receiving catch common to existing tunnel dishwashers.
As shown in fig. 1 and 6, one or more pushing feet 32 are respectively provided on the front plate and the rear plate of the washing chamber 3 for pushing the washing basket, one end of the pushing foot 32 is heavy, the other end is light, and when the pushing foot 32 is in a natural state, the light end is higher than the conveying rail 31, and the heavy end is lower than the conveying rail 31, so that the washing basket can be transported from only one direction, and thus the pushing foot 32 is used for limiting the conveying direction of the washing basket. The pushing foot 32 is provided with a shaft hole 33 and a limiting hole 34, the front plate and the rear plate of the washing chamber 3 are provided with a round shaft 36, and the shaft hole 34 penetrates through the round shaft and can rotate relative to the round shaft 36. The front plate and the rear plate of the washing chamber 3 are also provided with limiting rods 35, and the limiting rods 35 penetrate through the limiting holes 34 to prevent the pushing feet 32 from rotating 180 ℃ along the circular shaft. When the push foot 32 is pressed by the weight of the wash basket, the push foot 32 rotates, pushing the high end of the push foot 32 downward. When the cleaning basket leaves, due to the arrangement of the limiting rod, the pushing foot 32 returns to the initial state, namely one end of the pushing foot 32 is higher than the conveying track 31, and the other end is lower than the conveying track 31. In the channel machine shown in fig. 1, the cleaning basket is in-out from the right. When the channel type dishwasher needs to go in and out from the left and the right, the pushing feet 32 can be taken down, the direction of the pushing feet 32 is adjusted, and then the channel type dishwasher is installed and fixed again.
Be equipped with air inlet, first water inlet, first delivery port and air exit on heat exchanger 60, the top of washing room 3 is equipped with the gas vent, the gas vent is connected with heat exchanger 60's air inlet, heat exchanger 60's first water inlet is connected with the water source, and first delivery port is connected with waste water heat recovery unit 2's second water inlet 22, waste water heat recovery unit 2's second delivery port 23 is connected with heating package 5. The air outlet is connected with a fan 80, and the air after heat exchange is discharged to the environment through the fan.
A heat recovery cover 70 is arranged above the washing chamber 3, and the heat exchanger 60 and the fan 80 are arranged in the heat recovery cover 70, so that heat loss is further prevented.
The washing chamber 3 is internally provided with the main washing pipeline 16, and the right side or the left side of the main washing pipeline 15 is provided with the spraying pipeline 16. It should be noted that the mounting position of the shower pipe 16 is determined according to the basket entering direction when the dishwasher is in operation. The left-hand type dishwasher is characterized in that a spraying pipeline is arranged on the right side of the dishwasher; the right-hand-in type dishwasher has a spraying pipeline installed on the left side of the dishwasher.
A first induction device 36 and a second induction device 37 are respectively installed at the front end and the rear end of the washing chamber 3, the first induction device 36 is in induction connection with a main washing water pump in the main washing water tank 1, and the second induction device 37 is in induction connection with an electromagnetic valve. When the cleaning basket is conveyed to the position of the first sensing device 36, the cleaning basket can touch the first sensing device 36 to trigger a main cleaning signal, a main cleaning pipeline starts to work, a main cleaning pump in the main cleaning water tank 1 extracts water in the main cleaning water tank 1 to pass through the main cleaning pipeline 15 and directly spray the water on the surface of tableware, so that food residues and grease on the tableware are washed and washed, and the main cleaning water after passing through the tableware falls back into the main cleaning water tank again; when the cleaning basket is conveyed to the position of the second sensing device 37, the second sensing device 37 is touched to trigger a rinsing signal, the electromagnetic valve on the spray pipeline 16 is opened, the spray pipeline 16 starts to work, high-temperature water of the heating bag 5 is extruded by water inlet and sprayed onto the surface of the tableware through the spray pipeline 16, and finally the high-temperature water falls into the main water washing tank. If the sensing device has no trigger signal within the set time, the dishwasher can automatically enter a standby state.
The main water tank 1 is provided with a water level switch assembly, which comprises a magnetic float switch (not shown in the figure) and an inductor 10, the main water tank 1 is provided with an opening 14, the inductor 10 extends into the opening 14, the magnetic float switch is connected with the inductor in an induction manner, and is used for receiving a signal indicating whether the magnetic float switch is disconnected or not and sending the signal to a controller, and the inductor is connected with the controller. The controller is arranged in the electrical box. When the water level is enough, the floating ball floats without magnetic force, the magnetic floating ball switch is switched off, the sensor receives a signal and sends the signal to the control system, the control electromagnetic valve is closed, and the like, so that water inflow is stopped.
The main washing water tank 1 is arranged in the middle of the whole channel type heat recovery type dish washing machine and is positioned at the lower half part, and the structure is in an inverted convex shape. The washing chamber 3 is communicated with the main washing water tank 1. The right side below of main wash water tank 1 be transmission motor subassembly 6 with heating package 5, transmission motor subassembly 6 includes transmission motor and transmission, transmission motor passes through transmission and is connected with transfer orbit 31 for the orbital operation of control transfer. The left lower side of the main washing water tank 1 is provided with a waste water heat recovery device 2 which mainly completes the heat exchange process and reasonably utilizes the vacant space inside the dish washing machine.
As shown in fig. 4 and 5, a first overflow port 11 is arranged at the upper part of the main wash water tank 1, a waste water inlet 21 is arranged at the upper part of the waste water heat recovery device 2, the waste water inlet 21 and the first overflow port 11 are connected through an overflow pipeline 7, and when the water level in the main wash water tank 1 is higher than the first overflow port 11, high-temperature waste water in the main wash water tank flows into the waste water heat recovery device 2 through the overflow pipeline 7.
Be equipped with second water inlet 22 and second delivery port 23 on the waste water heat recovery unit 2, be equipped with hot exchange pipe 8 in the waste water heat recovery unit 2, hot exchange pipe 8's one end is connected with second water inlet 22, and the other end passes through second delivery port 23 and is connected with heating package 5, waste water heat recovery unit 2 passes through after hot exchange pipe 8 carries out the heat exchange with the high temperature waste water in the running water of external input and the waste water heat recovery unit 2, the output has the running water that the temperature promoted to give heating package 5.
As shown in fig. 5 and 6, a second water discharge pipe 24 is arranged in the waste water heat recovery device 2, a second overflow port 25 is arranged at the upper part of the second water discharge pipe 24, an overflow conduit 26 is sleeved outside the second water discharge pipe 24, so that an annular diversion cavity 27 is formed between the overflow conduit 26 and the second water discharge pipe 24, the overflow conduit 26 is a stainless steel pipe, the bottom of the overflow conduit 26 is positioned at the middle lower part of the second water discharge pipe 24, namely the bottom of the overflow conduit 26 is higher than the bottom of the second water discharge pipe 24, so that the bottom of the waste water recovery device 2 is communicated with the bottom of the annular diversion cavity 27, waste water is conveniently pressed into the annular diversion cavity 27, the upper part of the overflow conduit 26 is higher than the second overflow port 25, waste water entering the waste water heat recovery device 2 has a guiding function before overflowing, high-temperature waste water is isolated by the overflow conduit 26 and cannot be discharged through the second overflow port 25 directly, the low-temperature waste water at the bottom can be pressed into the annular diversion cavity 27 only through the bottom of the overflow conduit 26 and is discharged when reaching the second overflow port 25. When the waste water level collected in the waste water heat recovery apparatus 2 is higher than the second overflow port 25, the waste water is discharged to the sewage through the second drain pipe 2.
The bottom end of the overflow conduit 26 is provided with three or more supports (not shown) preferably four in number, which in use are secured to the bottom of the waste heat recovery device 2, thereby securing the overflow conduit 26 within the waste heat recovery device 2. It should be noted that the support has through holes therein, and screws are used to separate and connect the overflow conduit 26 to the bottom of the waste heat recovery unit 2.
In order to prevent the low-temperature waste water from flowing out from the upper part of the overflow conduit 26 and then entering the waste water heat recovery device 2 again, the distance between the upper end of the overflow conduit 26 and the second overflow opening 25 is more than 3 cm.
As shown in fig. 6, the second overflow port 26 is disposed at the upper portion of the heat exchange tube 8, so that the heat exchange tube 8 is immersed by the high-temperature wastewater, the normal-temperature tap water enters the heat exchange tube 8 through the second water inlet 22, the normal-temperature tap water and the high-temperature wastewater exchange heat in the wastewater heat recovery device 2 by using the tube wall of the heat exchange tube 8, and the tap water with a certain temperature flows out to the heating pack 5 of the dishwasher through the second water outlet 23, so that the utilization rate of heat energy can be improved.
The heat exchange tube 8 is a double-layer spiral heat exchange tube (such as a double-layer spiral coil), the heat exchange tube increases the internal volume of the coil and reduces the overall volume of the coil, and the effective volume in the tube is larger than the water consumption for cleaning a single basket frame. When the normal temperature tap water enters the heat exchange tube, the normal temperature tap water rapidly enters the heat exchange tube and then passes through the double-layer spiral heat exchange tube to reach the second water outlet, and the best heat exchange effect is generated between the normal temperature tap water and the wastewater in the wastewater heat recovery device 2.
As shown in fig. 5, the second water inlet 22 and the second water outlet 23 are disposed above the waste water heat recovery device 2, and when the normal temperature tap water enters the heat exchange tube 8, the normal temperature tap water rapidly enters the heat exchange tube 8, and then reaches the second water outlet 23 from top to bottom and then from bottom to top through the double-layer spiral structure, so as to generate the best heat exchange effect with the waste water in the waste water heat recovery device 2. Meanwhile, the second water inlet 22 and the second water outlet 23 are both arranged above the wastewater heat recovery device, so that the double-layer spiral heat exchange tube is convenient to install.
The bottom of the waste water heat recovery device 2 is connected with the bottom of the main washing water tank 1 through a drain pipe 9.
The bottom of main wash water tank 1 is equipped with first drain port 12, insert on the first drain port 12 and be equipped with first drain pipe 13, first drain pipe 13 passes through O type circle sealing connection with first drain port 12, the bottom of waste water heat reclamation device 2 is equipped with second outlet 28, second drain pipe 24 with second outlet 28 passes through O type circle sealing connection. When the water discharge is required, the first water discharge pipe 13 of the main wash water tank 1 and the second water discharge pipe 24 of the waste water heat recovery device 2 are pulled out, so that the bottoms of the main wash water tank 1 and the waste water heat recovery device 2 are communicated with each other, and the water discharge is realized.
The first and second drain pipes 13 and 24 have different lengths, so that they can be easily distinguished from each other, thereby facilitating installation. It should be noted that other decorations may be provided on the first drain pipe 13 or the second drain pipe 24 to distinguish the two.
The left upper portion of main wash water tank 1 is equipped with an opening, main wash water tank 1 is passed through this opening in the upper end of waste water heat recovery unit 2, just waste water heat recovery unit 2's top is equipped with an upper cover 29, waste water heat recovery unit 2 and the juncture welded connection of main wash water tank 1 prevent to leak. It should be noted that, the junction between the waste water heat recovery device 2 and the main wash water tank 1 may also be connected by sealing, that is, a sealing strip is disposed around the opening of the main wash water tank, and after the waste water heat recovery device passes through the junction, water leakage can be prevented.
The upper cover 29 is arranged inside the main washing water tank 1, and the upper cover 29 is directly covered on the waste water heat recovery device 2. Or, the upper cover 29 is hinged to the top of the waste water heat recovery device 2 through hinges and the like, and the cover can be turned over by adopting a hinged connection mode, so that the operation is more convenient. When the device works, the upper cover 29 is covered to prevent cleaning water from directly entering the waste water heat recovery device 2; when the wastewater heat recovery device 2 is cleaned, the upper cover 29 is opened, the first drain pipe 13 of the main washing water tank 1 is opened, the wastewater heat recovery device 2 and the main washing water tank 1 are communicated through the bottom drain pipe 9, and the water tank of the wastewater heat recovery device can be automatically cleaned by utilizing the cleaning function of the dishwasher.
The utility model discloses a main work flow of passageway formula heat recovery type dish washer does: the washing basket loads the abluent tableware, puts into passageway formula heat recovery type dish washer entry, the dish washer is automatic will wash the basket and transmit into the dish washer, reach the main wash region when wasing the basket, trigger the main wash signal, the main wash pump of dish washer draws the water in the main wash water tank 1 and passes through the main wash pipeline, direct injection is on the tableware surface, wash the washing with greasy food waste on the tableware, main wash water after the tableware falls back again in the main wash water tank 1. The washing basket reaches the rinsing area after passing through the main washing area, triggers a rinsing signal, opens the electromagnetic valve, and high-temperature water in the heating bag 5 is extruded through water inlet and sprayed on the surface of tableware through a spraying pipeline for rinsing, and finally falls into the main washing water tank 1.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An energy-saving channel type dish washer capable of prolonging the service life of an electromagnetic valve is characterized by comprising a main washing water tank, a waste water heat recovery device, a washing chamber, a heating bag and a heat exchanger, wherein the waste water heat recovery device is connected with the main washing water tank,
the heat exchanger is arranged above the washing chamber, an air inlet, a first water outlet and an air outlet are arranged on the heat exchanger, the air inlet of the heat exchanger is connected with an air outlet of the washing chamber, the first water inlet of the heat exchanger is connected with a water source, the first water outlet of the heat exchanger is connected with the waste water heat recovery device, after the heat exchanger exchanges heat between tap water input from the outside and hot air in the heat exchanger, the tap water with the increased temperature is output to the waste water heat recovery device for heat re-exchange, and the tap water with the increased temperature is output to the heating bag;
the rinsing water liquid inlet pipe of the heating bag comprises a first horizontal pipeline, a first vertical pipeline and a second horizontal pipeline which are connected in sequence, the second horizontal pipeline is arranged above the first horizontal pipeline, and a filter, a pressure reducing valve and an electromagnetic valve are arranged on the first horizontal pipeline in sequence.
2. The energy-saving channel type dishwasher capable of prolonging the service life of the electromagnetic valve according to claim 1, characterized in that the air outlet is connected with a fan.
3. An energy-saving channel type dishwasher capable of prolonging the service life of an electromagnetic valve as claimed in claim 1, characterized in that a heat recovery cover is arranged above the washing chamber, and the heat exchanger and the fan are arranged in the heat recovery cover.
4. The energy-saving channel type dish washer capable of prolonging the service life of the electromagnetic valve as claimed in claim 1, wherein the upper part of the main washing water tank is provided with a first overflow port, the upper part of the waste water heat recovery device is provided with a waste water inlet, and the waste water inlet and the first overflow port are connected through an overflow pipeline.
5. The energy-saving channel type dishwasher capable of prolonging the service life of the electromagnetic valve according to claim 1, wherein the waste water heat recovery device is provided with a second water inlet and a second water outlet, and the waste water heat recovery device is provided with a heat exchange tube, one end of the heat exchange tube is connected with the second water inlet, and the other end of the heat exchange tube is connected with the heating bag through the second water outlet.
6. The energy-saving channel type dishwasher capable of prolonging the service life of the electromagnetic valve according to claim 1, wherein the main water tank is provided with a water level switch assembly comprising a magnetic float switch and a sensor, the main water tank is provided with an opening, the sensor extends into the opening, the magnetic float switch is connected with the sensor in an induction way, and the sensor is connected with the controller.
7. The energy-saving channel type dishwasher capable of prolonging the service life of the electromagnetic valve according to claim 5, wherein a second drain pipe is arranged in the waste water heat recovery device, a second overflow port is arranged at the upper part of the second drain pipe, an overflow conduit is sleeved outside the second drain pipe, an annular diversion cavity is formed between the overflow conduit and the second drain pipe, the bottom of the overflow conduit is higher than the bottom of the second drain pipe, and the bottom of the waste water recovery device is communicated with the bottom of the annular diversion cavity.
8. The energy-saving channel type dishwasher capable of improving the service life of the electromagnetic valve according to claim 7, wherein the distance between the upper end of the overflow duct and the second overflow port is more than 3 cm.
9. An energy-saving channel type dishwasher capable of prolonging the service life of an electromagnetic valve as claimed in claim 7, characterized in that the second overflow port is arranged at the upper part of the heat exchange pipe;
the second water inlet and the second water outlet are arranged above the waste water heat recovery device.
10. The energy saving channel type dishwasher capable of improving service life of the solenoid valve according to any one of claims 1 to 9, wherein an opening is provided at an upper portion of a left side of the main wash water tank, an upper end of the waste water heat recovery means passes through the main wash water tank through the opening, and an upper cover is provided above the waste water heat recovery means,
the upper cover is arranged inside the main washing water tank and directly covers the waste water heat recovery device; or the upper cover is hinged with the top of the waste water heat recovery device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021556728.XU CN214342197U (en) | 2020-07-30 | 2020-07-30 | Energy-saving channel type dish washing machine capable of prolonging service life of electromagnetic valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021556728.XU CN214342197U (en) | 2020-07-30 | 2020-07-30 | Energy-saving channel type dish washing machine capable of prolonging service life of electromagnetic valve |
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| CN214342197U true CN214342197U (en) | 2021-10-08 |
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| CN202021556728.XU Active CN214342197U (en) | 2020-07-30 | 2020-07-30 | Energy-saving channel type dish washing machine capable of prolonging service life of electromagnetic valve |
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| Country | Link |
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| CN (1) | CN214342197U (en) |
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2020
- 2020-07-30 CN CN202021556728.XU patent/CN214342197U/en active Active
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