CN208779678U - Water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig - Google Patents
Water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig Download PDFInfo
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- CN208779678U CN208779678U CN201821525000.3U CN201821525000U CN208779678U CN 208779678 U CN208779678 U CN 208779678U CN 201821525000 U CN201821525000 U CN 201821525000U CN 208779678 U CN208779678 U CN 208779678U
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Abstract
The utility model discloses water cooling heat pump outdoor machine of air-conditioner heat-exchanger rigs, including type refrigerant evaporation tube, compressor casing and heat exchanging chamber, electric heating evaporation silk is provided on the outside of the type refrigerant evaporation tube, the interior of the sleeve, which runs through, follows runner, the right side wall pass-out of the sleeve has efferent duct, and the end of the efferent duct is communicated with inlet pipe, and the outer wall of the compressor casing is fixedly welded with steelframe, the lateral wall of the steelframe is fixedly welded with electrothermal layer, and the right side of the heat exchanging chamber, which is run through, discharge pipe.The water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig has carried out structure improve and perfect to traditional water cooling heat pump unit, so that refrigerant is after carburation by evaporation, it can be before entering compressor compresses, itself just has certain temperature, the energy consumption of compressor can be reduced whereby, when being cooled down with water-cooling pattern to refrigerant, it can guarantee cooling uniform, and continue to cool down, it can be come into full contact between cooling water and refrigerant steam, to improve cooling velocity and cooling quality.
Description
Technical field
The utility model relates to air conditioner heat exchange equipment technical fields, specially water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig.
Background technique
Air-conditioning, that is, air regulator is manually means, to the temperature, humidity of surrounding air in building or structures, clean
The equipment that the parameters such as cleanliness, speed are adjusted and control includes a set of heat-exchange system in air-conditioning, and the heat-exchange system is in sky
It is played a very important role in tune, present air-conditioning heat exchange mode generally includes two kinds, and one is use air-cooled heat pump machine
Group, a kind of then be using water cooling heat pump unit, from the point of view of refrigerating efficiency and effect, the effect of water cooling heat pump unit is higher than air-cooled
Heat pump unit.
However existing water cooling heat pump unit, during being compressed to refrigerant, the raising speed of refrigerant self-temperature
Degree and thermal range depend entirely on the compression process of compressor, cause the energy consumption of compressor to improve, for compressor
For service life, when there is shortening influence, while being cooled down using water cooling to refrigerant, the contact surface of cooling water flow and refrigerant
Limited, cooling velocity is slower, for this purpose, it is proposed that a kind of water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig.
Utility model content
The purpose of this utility model is to provide water cooling heat pump outdoor machine of air-conditioner heat-exchanger rigs, to solve in above-mentioned background technique
It is proposed existing water cooling heat pump unit, during being compressed to refrigerant, the raising speed of refrigerant self-temperature and
Thermal range depends entirely on the compression process of compressor, and the energy consumption of compressor is caused to improve, and uses the longevity for compressor
For life, when there is shortening influence, while being cooled down using water cooling to refrigerant, the contact surface of cooling water flow and refrigerant is limited,
The slower problem of cooling velocity.
To achieve the above object, the utility model provides the following technical solutions: water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig, packet
Type refrigerant evaporation tube, compressor casing and heat exchanging chamber are included, electric heating evaporation silk, and refrigerant evaporation are provided on the outside of the type refrigerant evaporation tube
The upper port of pipe is connected with sleeve, the interior of the sleeve through following runner, and follow runner and type refrigerant evaporation tube it
Between communicate, the right side wall pass-out of the sleeve has an efferent duct, and efferent duct is communicated with following between runner, the end of the efferent duct
It is communicated with inlet pipe, running through above the right side of the sleeve has outlet pipe, and the outer wall of the compressor casing is fixedly welded with steelframe, and presses
Contracting cabinet is located at the inside of sleeve, and the lateral wall of the steelframe is fixedly welded with electrothermal layer, and the outside of the inlet pipe and outlet pipe is equal
Valve is installed, the right side of the heat exchanging chamber is through there is a discharge pipe, and heat exchanging chamber is located at the top of sleeve, the heat exchanging chamber it is interior
Portion's horizontal setting has cooling chamber, and the outer wall of cooling chamber is equipped with condenser pipe, and the outside fixed in position of the condenser pipe has heat dissipation
Fin is provided with isocon on the right side of the cooling chamber, and is communicated with water pipe on the right side of isocon, the end connection of the water pipe
There is water pump, the left side of the heat exchanging chamber, which is run through, gas-guide tube, and negative-pressure air fan is communicated on the left of gas-guide tube, the negative-pressure air fan
Left side suit be fixed with air intake duct, and air intake duct is equipped with suction disk, the air intake duct far from the side insertion of negative-pressure air fan
Side close to negative-pressure air fan is inlaid with air inlet.
Preferably, the electric heating evaporation silk is equidistantly covered on the appearance of type refrigerant evaporation tube along the horizontal direction of type refrigerant evaporation tube
Face, and the shape of type refrigerant evaporation tube is in U-shape.
Preferably, the runner that follows is in the interior pipeline configuration setting, and the medial surface of sleeve in the shape of a spiral of sleeve
It is mutually parallel between the surface of electrothermal layer and the outer surface of compressor casing.
Preferably, it is mounted with the first endless tube on the inside of the cooling chamber, and is provided with hollow interlayer on the inside of the first endless tube,
And it is mounted with the second endless tube on the inside of hollow interlayer, while being communicated with connecting tube between the first endless tube and the second endless tube.
Preferably, first endless tube and the second endless tube U-shaped pipeline configuration annular in shape, and the symmetrical centre of the first endless tube
Line is overlapped with the symmetrical center line of the second endless tube and the symmetrical center line of cooling chamber, and the first endless tube and the second endless tube are equal
It is connected to isocon.
Preferably, the radiating fin is equally spaced along the horizontal direction of condenser pipe, and pair of the condenser pipe about cooling chamber
Center line is claimed to surround structure setting in a ring, and condenser pipe is connected with outlet pipe.
Preferably, the suction disk is uniformly arranged along the vertical direction of air intake duct, and the outer surface of suction disk and air inlet
Inside be hollow mesh structure.
Compared with prior art, the utility model has the beneficial effects that
1, the water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig has carried out structure improve and perfect to traditional water cooling heat pump unit,
So that refrigerant is after carburation by evaporation, and it can be before entering compressor compresses, itself just has certain temperature, can drop whereby
The energy consumption of low compressor can guarantee cooling uniformly, and continue to cool down when being cooled down with water-cooling pattern to refrigerant, cooling
It can be come into full contact between water and refrigerant steam, to improve cooling velocity and cooling quality；Electric heating evaporation silk uniform fold is cold
The outside of matchmaker's evaporation tube, and electric heating evaporation silk is heating wire material, has and produces thermal property after being powered, when electric heating evaporation silk is powered
Afterwards, high temperature heat can be generated, evaporation required temperature is provided with the refrigerant in the type refrigerant evaporation tube to U-shaped structure, by refrigerant from liquid
State is evaporated to gaseous state.
2, electrothermal layer uses heating wire material, can produce high temperature heat after energization, follows stream when gaseous refrigerant enters
After in road, with spiral to being flowed in following runner, contact surface and the time of contact of refrigerant steam and high temperature is improved, is made
Refrigerant steam thermally equivalent, so that refrigerant steam just obtains temperature before entering compressor casing increases variation, to subtract
The small energy consumption of compressor casing inner compressor；Air intake duct is connected with negative-pressure air fan, by suction disk, in negative-pressure air fan work
Under effect, outside air is drawn into air intake duct, and transmitted into negative-pressure air fan by air inlet, suction disk outer surface and air inlet
Internal hollow mesh structure is conducive to intercept the cotton-shaped impurity in air, be filtered to the air entered in negative-pressure air fan
Removal of impurities.
3, simultaneously circulating cooling water flow is accepted with two U-tube roads of the first endless tube and the second endless tube in cooling chamber, improved cold
But flow range of the water in cooling chamber, refrigerant steam can be intervened in hollow interlayer, and the first endless tube and the second endless tube are used for band
Refrigerant heat is walked, refrigeration is completed；Refrigerant steam is entered in condenser pipe by outlet pipe, is circulated in condenser pipe, heat
It is uniformly shed outward by radiating fin, dissipates thermogenetic high temperature displacement in the air dielectric into heat exchanging chamber, heat air, it is complete
At heating.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model sleeve inner structural schematic diagram；
Fig. 3 is the first endless tube distributed architecture schematic diagram inside the utility model cooling chamber；
Fig. 4 is the utility model cooling chamber whole interior structural schematic diagram；
Fig. 5 is the utility model cooling chamber cross-sectional structure schematic diagram.
In figure: 1, type refrigerant evaporation tube；2, electric heating evaporation silk；3, sleeve；4, runner is followed；5, efferent duct；6, inlet pipe；7, go out
Pipe；8, compressor casing；9, steelframe；10, electrothermal layer；11, valve；12, heat exchanging chamber；13, discharge pipe；14, cooling chamber；1401,
One endless tube；1402, hollow interlayer；1403, the second endless tube；1404, connecting tube；15, condenser pipe；16, radiating fin；17, it shunts
Pipe；18, water pipe；19, water pump；20, gas-guide tube；21, negative-pressure air fan；22, air intake duct；23, suction disk；24, air inlet.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig, including
Type refrigerant evaporation tube 1, compressor casing 8 and heat exchanging chamber 12, the outside of type refrigerant evaporation tube 1 are provided with electric heating evaporation silk 2, and refrigerant evaporation
The upper port of pipe 1 is connected with sleeve 3, and electric heating evaporation silk 2 is equidistantly covered on refrigerant evaporation along the horizontal direction of type refrigerant evaporation tube 1
The outer surface of pipe 1, and the shape of type refrigerant evaporation tube 1 is in U-shape, electric heating evaporation silk 2 is heating wire material, when electric heating evaporation silk 2 is logical
After electricity, high temperature heat can be generated, and provide evaporation required temperature for the refrigerant in the type refrigerant evaporation tube of U-shaped structure 1, by refrigerant from
Liquid is evaporated to gaseous state；
The interior of sleeve 3, which runs through, follows runner 4, and follows between runner 4 and type refrigerant evaporation tube 1 and communicate, the right side of sleeve 3
Side wall pass-out has an efferent duct 5, and efferent duct 5 is communicated with following between runner 4, and the end of efferent duct 5 is communicated with inlet pipe 6, sleeve 3
Through there is outlet pipe 7 above right side, the outer wall of compressor casing 8 is fixedly welded with steelframe 9, and compressor casing 8 is located at the interior of sleeve 3
Side, the lateral wall of steelframe 9 are fixedly welded with electrothermal layer 10, and following runner 4, pipeline configuration is set in the shape of a spiral in the interior of sleeve 3
It sets, and mutually parallel between the medial surface of sleeve 3 and the surface of electrothermal layer 10 and the outer surface of compressor casing 8, electrothermal layer
10 be powered after generate high temperature heat, gaseous refrigerant in following runner 4 with spiral to being flowed, improve refrigerant steam and high
The contact surface of temperature and time of contact, make refrigerant steam thermally equivalent, so that refrigerant steam is before entering compressor casing 8
Just it obtains temperature and increases variation, to reduce the energy consumption of 8 inner compressor of compressor casing；
The outside of inlet pipe 6 and outlet pipe 7 is mounted on valve 11, and the right side of heat exchanging chamber 12, which is run through, discharge pipe 13, and exchanges heat
Chamber 12 is located at the top of sleeve 3, and the inner horizontal of heat exchanging chamber 12 is mounted with cooling chamber 14, and the outer wall of cooling chamber 14 be equipped with it is cold
Solidifying pipe 15, the inside of cooling chamber 14 is mounted with the first endless tube 1401, and the inside of the first endless tube 1401 is provided with hollow interlayer
1402, and the inside of hollow interlayer 1402 is mounted with the second endless tube 1403, while the first endless tube 1401 and the second endless tube 1403
Between be communicated with connecting tube 1404, accepted simultaneously in cooling chamber 14 with 1,403 two U-tube roads of the first endless tube 1401 and the second endless tube
Circulating cooling water flow, improves flow range of the cooling water in cooling chamber 14, and the outside fixed in position of condenser pipe 15 has heat dissipation
Fin 16, radiating fin 16 are equally spaced along the horizontal direction of condenser pipe 15, and condenser pipe 15 about cooling chamber 14 it is symmetrical in
Heart line surrounds structure setting in a ring, and condenser pipe 15 is connected with outlet pipe 7, and refrigerant steam enters condensation by outlet pipe 7
It in pipe 15, is circulated in condenser pipe 15, heat is uniformly shed outward by radiating fin 16, and the right side of cooling chamber 14 is set
It is equipped with isocon 17, and the right side of isocon 17 is communicated with water pipe 18, the first endless tube 1401 and the second endless tube 1403 U annular in shape
Shape pipeline configuration, and the symmetrical center line and cooling chamber 14 of the symmetrical center line of the first endless tube 1401 and the second endless tube 1403
Symmetrical center line is overlapped, and the first endless tube 1401 is connected to isocon 17 with the second endless tube 1403, hollow interlayer 1402
In can intervene refrigerant steam, the first endless tube 1401 and the second endless tube 1403 complete refrigeration for taking away refrigerant heat；
The end of water pipe 18 is connected with water pump 19, and the left side of heat exchanging chamber 12, which is run through, gas-guide tube 20, and a left side for gas-guide tube 20
Side is communicated with negative-pressure air fan 21, and the left side suit of negative-pressure air fan 21 is fixed with air intake duct 22, and air intake duct 22 is far from negative-pressure air fan
21 side insertion is equipped with suction disk 23, and air intake duct 22 is inlaid with air inlet 24, suction disk close to the side of negative-pressure air fan 21
23 are uniformly arranged along the vertical direction of air intake duct 22, and the outer surface of suction disk 23 and the inside of air inlet 24 are hollow mesh
Structure draws outside air into air intake duct 22 by suction disk 23 under the action of negative-pressure air fan 21 works, air again by into
Air port 24 is transmitted into negative-pressure air fan 21, and the hollow mesh structure inside 23 outer surface of suction disk and air inlet 24 is conducive to block
Cut the cotton-shaped impurity in air.
Working principle: for this kind of heat-exchanger rig, refrigerant is filled in type refrigerant evaporation tube 1 first, refrigerant is liquefied
It is lower than subzero 20 degrees Celsius under state, there is the biggish temperature difference between ambient temperature, so the external world can be absorbed in refrigerant
Heat is powered to electric heating evaporation silk 2, and electric heating evaporation silk 2 uses heating wire material, high temperature can be generated after energization, high temperature action arrives
On type refrigerant evaporation tube 1, the refrigerant in type refrigerant evaporation tube 1 is subjected to high temperature evaporation, makes the refrigerant evaporation of liquid at gaseous state, it is gaseous
Refrigerant, which enters, to follow in runner 4, and flows in following in runner 4 for spiral setting toward 6 direction of inlet pipe, is powered to electrothermal layer 10, electricity
Thermosphere 10 is identical as 2 material of electric heating evaporation silk and heating principle, and heat a part that electrothermal layer 10 generates is conducted to sleeve 3
In, a part of then conduction is into compressor casing 8, and during gaseous coolant flows in following runner 4, itself temperature is continuous
It increases, opens the valve 11 on inlet pipe 6, the gaseous coolant after heating is delivered in compressor casing 8, by pacifying in compressor casing 8
The compressor of the model MT72 set compresses gaseous refrigerant, and the gaseous coolant of low-pressure low-temperature is compressed into high pressure-temperature
Gaseous coolant, open the valve 11 installed in outlet pipe 7, the valve 11 on valve 11 and outlet pipe 7 on inlet pipe 6 is all made of model
For the electric check valve of J921T-16K, after the valve 11 in outlet pipe 7 is opened, the gaseous coolant of high pressure-temperature is delivered to by outlet pipe 7
In condenser pipe 15, and be gradually filled with U-loop around condenser pipe 15, heat is distributed in condenser pipe 15, and heat passes through heat radiating fin
Piece 16 uniformly sheds into 12 internal cavities of heat exchanging chamber, starts the negative-pressure air fan 21 of 660 type of model, under the action of air draught,
External air flow is drawn into air intake duct 22 by each suction disk 23, is entered in negative-pressure air fan 21 eventually by air inlet 24, and
Pumped by gas-guide tube 20 into 12 internal cavities of heat exchanging chamber, using heat principle,displacement, gas flow temperature influenced by refrigerant heat and
Rise, the air-flow of heating is spread out of outward by discharge pipe 13, this is completed to the heating operations of air-conditioning, using water-cooling pattern to refrigerant
When being cooled down, start the water pump 19 of model 50GW25-10-1.5, water flow is passed through into water pipe 18 through shunting using pump pressure principle
Pipe 17 is delivered to respectively in the first endless tube 1401 and the second endless tube 1403, the center cavity of hollow interlayer 1402 and cooling chamber 14
Refrigerant steam is passed through, filled with enough cooling water flows in the first endless tube 1401 and the second endless tube 1403 of U-shaped, so that cold
It is come into contact in a large area between matchmaker's steam and cold water, accelerates the cooling velocity of refrigerant steam, restore refrigerant quickly to liquid from gaseous state
State, and when liquid condition is presented in refrigerant, its own temperature can decline, and sink temperature still passes through radiating fin 16 to heat exchanging chamber
It sheds in 12 internal cavities, to reduce the air-flow in 12 internal cavities of heat exchanging chamber at this time, low-temperature airflow is outside by discharge pipe 13
Output, the process of refrigerastion of air-conditioning is completed with regard to this, completes the use process of entire heat-exchanger rig like this, involved by the utility model
And the relevant technology of circuit arrived is disclosed prior art.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig, including type refrigerant evaporation tube (1), compressor casing (8) and heat exchanging chamber (12), special
Sign is: being provided with electric heating evaporation silk (2) on the outside of the type refrigerant evaporation tube (1), and the upper port of type refrigerant evaporation tube (1) connects
Be connected to sleeve (3), the interior of the sleeve (3) through following runner (4), and follow runner (4) and type refrigerant evaporation tube (1) it
Between communicate, the right side wall pass-out of the sleeve (3) has efferent duct (5), and efferent duct (5) is communicated with following between runner (4), described
The end of efferent duct (5) is communicated with inlet pipe (6), and running through above the right side of the sleeve (3) has outlet pipe (7), the compressor casing
(8) outer wall is fixedly welded with steelframe (9), and compressor casing (8) is located at the inside of sleeve (3), the lateral wall of the steelframe (9)
It is fixedly welded with electrothermal layer (10), is mounted on valve (11), the heat exchanging chamber on the outside of the inlet pipe (6) and outlet pipe (7)
(12) right side, which is run through, to be had discharge pipe (13), and heat exchanging chamber (12) is located at the top of sleeve (3), the inside of the heat exchanging chamber (12)
Horizontal setting has cooling chamber (14), and the outer wall of cooling chamber (14) is equipped with condenser pipe (15), the outside of the condenser pipe (15)
Fixed in position has radiating fin (16), is provided with isocon (17) on the right side of the cooling chamber (14), and the right side of isocon (17)
Side is communicated with water pipe (18), and the end of the water pipe (18) is connected with water pump (19), and the left side of the heat exchanging chamber (12), which is run through, to be had
Gas-guide tube (20), and negative-pressure air fan (21) are communicated on the left of gas-guide tube (20), the left side suit of the negative-pressure air fan (21) is solid
Surely have air intake duct (22), and air intake duct (22) is equipped with suction disk (23), the suction far from the side insertion of negative-pressure air fan (21)
Tracheae (22) is inlaid with air inlet (24) close to the side of negative-pressure air fan (21).
2. water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig according to claim 1, it is characterised in that: the electric heating evaporation silk
(2) horizontal direction along type refrigerant evaporation tube (1) is equidistantly covered on the outer surface of type refrigerant evaporation tube (1), and type refrigerant evaporation tube (1)
Shape is in U-shape.
3. water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig according to claim 1, it is characterised in that: the runner (4) that follows exists
Pipeline configuration is arranged the interior of sleeve (3) in the shape of a spiral, and the surface of the medial surface of sleeve (3) and electrothermal layer (10) and
It is mutually parallel between the outer surface of compressor casing (8).
4. water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig according to claim 1, it is characterised in that: the cooling chamber (14)
Inside is mounted with the first endless tube (1401), and hollow interlayer (1402) is provided on the inside of the first endless tube (1401), and hollow
It is mounted on the inside of interlayer (1402) the second endless tube (1403), while connecting between the first endless tube (1401) and the second endless tube (1403)
It is connected with connecting tube (1404).
5. water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig according to claim 4, it is characterised in that: first endless tube
(1401) with the second endless tube (1403) U-shaped pipeline configuration annular in shape, and the symmetrical center line and second of the first endless tube (1401)
The symmetrical center line of endless tube (1403) and the symmetrical center line of cooling chamber (14) are overlapped, and the first endless tube (1401) and the
Two endless tubes (1403) are connected to isocon (17).
6. water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig according to claim 1, it is characterised in that: the radiating fin (16)
Horizontal direction along condenser pipe (15) is equally spaced, and condenser pipe (15) wraps in a ring about the symmetrical center line of cooling chamber (14)
Closed structure setting, and condenser pipe (15) is connected with outlet pipe (7).
7. water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig according to claim 1, it is characterised in that: suction disk (23) edge
The vertical direction of air intake duct (22) is uniformly arranged, and the inside of the outer surface of suction disk (23) and air inlet (24) is hollow out net
Shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525000.3U CN208779678U (en) | 2018-09-18 | 2018-09-18 | Water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525000.3U CN208779678U (en) | 2018-09-18 | 2018-09-18 | Water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig |
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| Publication Number | Publication Date |
|---|---|
| CN208779678U true CN208779678U (en) | 2019-04-23 |
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ID=66161754
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821525000.3U Active CN208779678U (en) | 2018-09-18 | 2018-09-18 | Water cooling heat pump outdoor machine of air-conditioner heat-exchanger rig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113545658A (en) * | 2020-04-23 | 2021-10-26 | 宁波方太厨具有限公司 | Steam box |
-
2018
- 2018-09-18 CN CN201821525000.3U patent/CN208779678U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113545658A (en) * | 2020-04-23 | 2021-10-26 | 宁波方太厨具有限公司 | Steam box |
| CN113545658B (en) * | 2020-04-23 | 2022-08-02 | 宁波方太厨具有限公司 | Steam box |
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