CN207379335U - A kind of plate heat exchanger and gas heater - Google Patents
A kind of plate heat exchanger and gas heater Download PDFInfo
- Publication number
- CN207379335U CN207379335U CN201721211361.6U CN201721211361U CN207379335U CN 207379335 U CN207379335 U CN 207379335U CN 201721211361 U CN201721211361 U CN 201721211361U CN 207379335 U CN207379335 U CN 207379335U
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- 238000009434 installation Methods 0.000 claims abstract description 119
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 239000007789 gas Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 210000002105 tongue Anatomy 0.000 description 37
- 230000000694 effects Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 10
- 206010020843 Hyperthermia Diseases 0.000 description 5
- 208000002925 dental caries Diseases 0.000 description 5
- 230000036031 hyperthermia Effects 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model is related to technical field of heat exchangers, disclose a kind of plate heat exchanger and gas heater, plate heat exchanger includes heat exchanger body, heat exchanger body includes multiple heat exchanger plates for stacking gradually connection, the first cavity and the second cavity arranged on the first cavity periphery are equipped in heat exchanger plate, one end closing of first cavity, the other end of the first cavity are connected with one end of the second cavity；The blind end of first cavity is equipped with the first installation cavity, and first passage is formed between the madial wall of the first cavity and the periphery of the first installation cavity；The blind end of first cavity is equipped with water inlet, and water inlet is arranged between first passage and the blind end of the first cavity, and the second cavity is equipped with water outlet close to the blind end of the first cavity.The plate heat exchanger and gas heater of the utility model, can be realized and plate heat exchanger is directly used on main heat exchanger on the premise of ensuring not damage heat exchanger plate, in order to which people use plate heat exchanger.
Description
Technical field
The utility model is related to technical field of heat exchangers, more particularly to a kind of plate heat exchanger and gas heater.
Background technology
With the rapid development of social economy and science and technology, the living standard of resident is continuously improved, for living environment
The pursuit of comfort level is also higher and higher, and plate heat exchanger is high, compact-sized light with its heat transfer efficiency as a kind of heat transmission equipment
Ingeniously, the advantages that heat exchange area per unit volume is big, service life is long is widely used in people’s lives.
Plate heat exchanger is that closed assembly forms by way of compressing or welding by a series of heat exchanger plates, Mei Gehuan
Heat exchanger channels are formed with inside hot device plate, to realize heat exchange.But due to the limitation of plate heat exchanger self structure,
Existing plate heat exchanger is generally used in environment of the medium temperature below 250 DEG C, and the master that can not be used directly in high temperature changes
On hot device.If plate heat exchanger, when the temperature of main heat exchanger reaches 800 DEG C, is directly connect on main heat exchanger with flame
Water in tactile heat exchanger plate can gasify so that it is steeply risen with the temperature of the heat exchanger plate of flame contact, due to
Heat exchanger plate is subject to localized hyperthermia so that heat exchanger plate is easily damaged, and causes water inside plate heat exchanger from broken
It is flowed out at damage, so as to cause plate heat exchanger there are security risk, and then influences people and use plate heat exchanger.
Utility model content
First technical problem that the utility model is solved is to provide for a kind of plate heat exchanger, can ensure not
It on the premise of damaging heat exchanger plate, is directly used on main heat exchanger, in order to which people use plate heat exchanger.
Second technical problem that the utility model is solved is to provide for a kind of gas heater, can ensure not
It on the premise of damaging heat exchanger plate, is directly used on main heat exchanger, in order to which people use plate heat exchanger.
Above-mentioned first technical problem is solved by the following technical programs：
A kind of plate heat exchanger, including heat exchanger body, the heat exchanger body stacks gradually changing for connection including multiple
Hot device plate, the heat exchanger plate is interior equipped with the first cavity and the second cavity arranged on first cavity periphery, described
One end closing of first cavity, the other end of first cavity are connected with one end of second cavity；First cavity
Blind end be equipped with the first installation cavity through its upper and lower surface, the madial wall of first cavity and first installation cavity
Periphery between form first passage；
The blind end of first cavity is equipped with the water inlet through its upper and lower surface, and the water inlet is arranged on described
Between the blind end of first passage and first cavity, second cavity is equipped with close to the blind end of first cavity
Through the water outlet of its upper and lower surface；Exhaust gases passes are equipped between the adjacent heat exchanger plate.
Plate heat exchanger described in the utility model generated advantageous effect compared with background technology：
Above-mentioned plate heat exchanger on the first cavity of heat exchanger plate by setting the first installation cavity, so that the first chamber
Form first passage between the periphery of the madial wall of body and the first installation cavity, and the blind end of first passage and the first cavity it
Between water inlet is set so that cold water can be flowed into first passage rapidly after water inlet entrance, and flow to second along first passage
The water outlet of cavity, with the temperature being effectively reduced around the first installation cavity of heat exchanger plate on piece, so as to be effectively reduced peace
Mounted in the temperature of the burner of the first installation cavity, to avoid heat exchanger plate due to being subject to localized hyperthermia caused by burner and
The problem of damage, and then ensure on the premise of heat exchanger plate is not damaged, to realize plate heat exchanger being directly used in main heat exchange
On device, in order to which people use plate heat exchanger.
In one of the embodiments, upper heat exchanger plate of the heat exchanger plate including connection stacked on top of one another is changed under
Hot device plate, the upper heat exchanger plate on piece are equipped with downward concave first groove, and the lower heat exchanger plate on piece is equipped with upward
First tongue of protrusion, first tongue are oppositely arranged and abut with first groove；First groove it is interior
First cavity, the outside of first groove, the outside of first tongue are surrounded on the inside of side and first tongue
Second cavity is surrounded with the madial wall of the upper heat exchanger plate.By make the upper heat exchanger plate on piece described first
Groove and first tongue of the lower heat exchanger plate on piece are oppositely arranged and abut, so that first groove is interior
First cavity, the outside of first groove, the outside of first tongue are surrounded on the inside of side and first tongue
Second cavity is surrounded with the madial wall of the upper heat exchanger plate, so that first cavity and second cavity
Capacity it is sufficiently large, to ensure to flow into first cavity and the in vivo cool water quantity of the second chamber from the water inlet, and then
Ensure that the plate heat exchanger has good heat transfer effect.
In one of the embodiments, the upper heat exchanger plate on piece is led to equipped with the first boss through its upper and lower surface
Hole, the lower heat exchanger plate on piece be equipped with through its upper and lower surface the first concave station through hole, the first boss through hole with it is described
First concave station through hole is oppositely arranged and forms the water inlet；The upper heat exchanger plate on piece is equipped with the through its upper and lower surface
Two boss through holes, the lower heat exchanger plate on piece are equipped with the second concave station through hole through its upper and lower surface, and the second boss is led to
Hole is oppositely arranged with the second concave station through hole and forms the water outlet.By make the upper heat exchanger plate on piece described
One boss through hole and the first concave station through hole of the lower heat exchanger plate on piece are oppositely arranged to form the water inlet, and make institute
State heat exchanger plate on piece the second boss through hole and the lower heat exchanger plate on piece the second concave station through hole it is opposite
Setting forms the water outlet, is being flowed so that the structure of the water inlet and the water outlet can efficiently reduce cold water
Suffered resistance when logical, and then ensure that cold water is preferably flowed into from the water inlet in first cavity, and from described the
Water outlet outflow on two cavitys, to ensure that the plate heat exchanger has good heat transfer effect.
In one of the embodiments, the upper heat exchanger plate on piece is equipped with the first turnup structure, the lower heat exchanger plate
On piece is equipped with the second turnup structure, and first turnup structure wraps up second turnup structure and is connected to second flange
In structure；
The upper heat exchanger plate on piece is equipped with the second installation cavity through its upper and lower surface, and the lower heat exchanger plate on piece is set
There is the 3rd installation cavity through its upper and lower surface, second installation cavity is stacked with the 3rd installation cavity and forms described first
Installation cavity, the periphery of second installation cavity are socketed on the madial wall of the 3rd installation cavity.Pass through the heat exchanger on described
First turnup structure on plate is set and second turnup structure is set in the lower heat exchanger plate on piece, and is made described
First turnup structure is wrapped up and is connected on second turnup structure, so as to fulfill the upper heat exchanger plate with it is described under change
Sealed connection between hot device plate is flowed out to avoid cold water out of described second cavity, so that it is guaranteed that the plate heat exchanger
With good heat transfer effect；In addition, by being socketed in the periphery of second installation cavity of the upper heat exchanger plate on piece
On the madial wall of the 3rd installation cavity on the lower heat exchanger plate, make second installation cavity and the 3rd installation cavity
While stacking forms first installation cavity, it is ensured that the sealing between second installation cavity and the 3rd installation cavity connects
It connects, is flowed out to avoid cold water out of described first cavity, thereby further ensure that the plate heat exchanger has good heat exchange
Effect, and then ensure on the premise of the heat exchanger plate is not damaged, to realize and be directly used in the plate heat exchanger
On main heat exchanger.
In one of the embodiments, the plate heat exchanger further includes the heat exchanger above the heat exchanger body
Foreboard, is equipped with the 3rd cavity and the 4th cavity arranged on the 3rd cavity periphery in the heat exchanger foreboard, and the described 3rd
One end closing of cavity, the other end of the 3rd cavity are connected with one end of the 4th cavity；The envelope of 3rd cavity
Closed end is equipped with the 4th installation cavity through its upper and lower surface, and the 4th installation cavity is oppositely arranged with first installation cavity；
Second channel is formed between the madial wall of 3rd cavity and the periphery of the 4th installation cavity；
The blind end of 3rd cavity is equipped with the 3rd concave station through hole through its upper and lower surface, and the 3rd concave station
Through hole is arranged between the second channel and the blind end of the 3rd cavity, and the 4th cavity is close to the 3rd cavity
Blind end is equipped with the 4th concave station through hole through its upper and lower surface, and the 3rd concave station through hole is opposite with the water inlet to be set
It puts, the 4th concave station through hole is oppositely arranged with the water outlet.By setting the 4th installation on the 3rd cavity
Chamber, and the 4th installation cavity is made to be oppositely arranged with first installation cavity, it is enable to through the 4th installation cavity
The burner is mounted and fixed in first installation cavity, and then guarantees the plate heat exchanger being used in main change
On hot device.In addition, by making to form described second between the madial wall of the 3rd cavity and the periphery of the 4th installation cavity
Passage, and set and the water inlet corresponding described the between the blind end of the second channel and the 3rd cavity
Three concave station through holes are set and the corresponding 4th concave station through hole of the water outlet so that cold water on the 4th cavity
It can be flowed by the 3rd concave station through hole in the second channel, to reduce the temperature around the 4th installation cavity, together
Shi Lengshui can be flowed into through the water inlet in the heat exchanger plate by the 3rd concave station through hole, so that it is guaranteed that cold water can
It flows into first cavity, to reduce the temperature around first installation cavity, and the described 4th is flowed to by the water outlet
Concave station through hole so that cold water flows to the outside of the plate heat exchanger, and then ensures that cold water can be from the 3rd concave station through hole
It flows into the plate heat exchanger, and the outside of the plate heat exchanger is flowed to from the 4th concave station through hole.
In one of the embodiments, upper heat exchanger foreboard of the heat exchanger foreboard including connection stacked on top of one another is changed under
Hot device foreboard, the lower heat exchanger foreboard are equipped with the second tongue to raise up, institute are resisted against at the top of second tongue
On the bottom for stating heat exchanger foreboard；The 3rd cavity, the outside of second tongue are surrounded on the inside of second tongue
The 4th cavity is surrounded with the madial wall of the upper heat exchanger foreboard.By setting described on the lower heat exchanger foreboard
Two tongues, and the top surface of second tongue is made to be resisted against on the bottom of the upper heat exchanger foreboard, so that second tongue
Inside surround the 3rd cavity, the madial wall of the outside of second tongue and the upper heat exchanger foreboard surrounds described
Four cavitys, so that it is guaranteed that cold water can be flowed into from the 3rd concave station through hole in the 3rd cavity, and by the 3rd cavity
The 4th cavity is flowed into, is most flowed out afterwards through the 4th concave station through hole on the 4th cavity, and then is effectively reduced institute
The temperature around the 4th installation cavity is stated, to ensure on the premise of the heat exchanger foreboard is not damaged, realizes and board-like is changed described
Hot device is directly used on main heat exchanger.
In one of the embodiments, the plate heat exchanger further includes the heat exchanger below the heat exchanger body
Back plate, is equipped with the 5th cavity and the 6th cavity arranged on the 5th cavity periphery in the heat exchanger back plate, and the described 5th
One end closing of cavity, the other end of the 5th cavity are connected with one end of the 6th cavity；
The blind end of 5th cavity is equipped with the 3rd boss through hole through its upper surface, and the 6th cavity is close
The blind end of 5th cavity be equipped with through its upper and lower surface the 4th boss through hole, the 3rd boss through hole with it is described
Water inlet is oppositely arranged, and the 4th boss through hole is oppositely arranged with the water outlet.By being set on the 5th cavity
It sets through the 3rd boss through hole of its upper surface and on the 6th cavity through the described 4th convex of its upper surface
Platform through hole, and make the 3rd boss through hole and the 4th boss through hole opposite with the water inlet and the water outlet respectively
It sets, so that cold water can flow into institute from the water inlet of the heat exchanger plate on piece by the 3rd boss through hole
It states in the 5th cavity, and the 6th cavity is flowed by the 5th cavity, finally from the described 4th on the 6th cavity
Boss through hole flows into the water outlet, so that cold water is flow back into the heat exchanger plate, and then ensures that cold water is only changed from described
The 3rd boss through hole on hot device foreboard is flowed into the plate heat exchanger, and from the described 4th of the heat exchanger foreboard the
Boss through hole flows to the outside of the plate heat exchanger.
In one of the embodiments, upper heat exchanger back plate of the heat exchanger back plate including connection stacked on top of one another is changed under
Hot device back plate, the upper heat exchanger back plate are equipped with downward concave second groove, and the bottom of second groove is resisted against institute
On the top for stating lower heat exchanger back plate；The 5th cavity, the outside of second groove are surrounded on the inside of second groove
The 6th cavity is surrounded with the madial wall of the upper heat exchanger back plate.By the way that described is set in heat exchanger back plate on described
Two grooves, and the bottom of second groove is made to be resisted against on the top of the lower heat exchanger back plate, so that second groove
Inside surround the 5th cavity, the madial wall of the outside of second groove and the upper heat exchanger back plate surrounds described
Six cavitys, so that it is guaranteed that cold water can be flowed into from the 3rd boss through hole in the 5th cavity, and by the 5th cavity
The 6th cavity is flowed into, most flows out, and then ensures described board-like through the 4th boss through hole on the 6th cavity afterwards
Heat exchanger has good heat transfer effect.
In one of the embodiments, the material of the heat exchanger plate, the heat exchanger foreboard and the heat exchanger back plate
Material is stainless steel.
Above-mentioned second technical problem is solved by the following technical programs：
A kind of gas heater, including burner, controller, gas valve, wind turbine and above-mentioned plate heat exchanger；It is described
First control terminal of controller is electrically connected with the input terminal of the gas valve, the second control terminal and the wind turbine of the controller
Input terminal electrical connection, the burner connects with the gas valve, and the burner houses and is connected to described first and installs
Intracavitary.
Gas heater described in the utility model generated advantageous effect compared with background technology：
First installation is set on the first cavity that above-mentioned gas heater passes through the heat exchanger plate in plate heat exchanger
Chamber, so as to first passage is formed between the periphery of the madial wall of the first cavity and the first installation cavity, and in first passage and first
Water inlet is set between the blind end of cavity, so that cold water can be flowed into first passage rapidly after water inlet entrance, and along the
One passage flows to the water outlet of the second cavity, with the temperature being effectively reduced around the first installation cavity of heat exchanger plate on piece, from
And the temperature of the burner mounted on the first installation cavity is effectively reduced, to avoid heat exchanger plate since burner being subject to be produced
Raw localized hyperthermia and the problem of damage, and then ensure on the premise of heat exchanger plate is not damaged, realize plate heat exchanger
It is directly used on main heat exchanger, in order to which people use plate heat exchanger.
Description of the drawings
Fig. 1 is the structure diagram of the plate heat exchanger in the utility model embodiment；
Fig. 2 is the decomposition diagram of the plate heat exchanger in the utility model embodiment；
Fig. 3 is the structure diagram of the heat exchanger plate in the utility model embodiment；
Fig. 4 is the decomposition diagram of the heat exchanger plate in the utility model embodiment；
Fig. 5 is the structure diagram of the heat exchanger foreboard in the utility model embodiment；
Fig. 6 is the decomposition diagram of the heat exchanger foreboard in the utility model embodiment；
Fig. 7 is the structure diagram of the heat exchanger back plate in the utility model embodiment；
Fig. 8 is the decomposition diagram of the heat exchanger back plate in the utility model embodiment；
Fig. 9 is the schematic diagram of the flow trace of fluid in the heat exchanger plate in the utility model embodiment；
Figure 10 is the structure diagram of the gas heater in the utility model embodiment.
Wherein, 1, heat exchanger plate；11st, upper heat exchanger plate；111st, the first groove；112nd, first boss through hole；113、
Second boss through hole；114th, the first turnup structure；115th, the second installation cavity；12nd, lower heat exchanger plate；121st, the first tongue；
122nd, the first concave station through hole；123rd, the second concave station through hole；124th, the second turnup structure；125th, the 3rd installation cavity；13rd, the first chamber
Body；131st, water inlet；14th, the second cavity；141st, water outlet；15th, the first installation cavity；16th, first passage；
2nd, heat exchanger foreboard；21st, upper heat exchanger foreboard；211st, first through hole；212nd, bolt；22nd, lower heat exchanger foreboard；
221st, the second tongue；222nd, the second through hole；2221st, the first surrounding edge；23rd, the 3rd cavity；231st, the 3rd recessed through hole；24th, the 4th chamber
Body；24th, the 4th concave station through hole；25th, the 4th installation cavity；26th, second channel；
3rd, heat exchanger back plate；31st, upper heat exchanger back plate；311st, the second groove；32nd, lower heat exchanger back plate；33rd, the 5th chamber
Body；331st, the 3rd boss through hole；34th, the 6th cavity；341st, the 4th boss through hole；
10th, plate heat exchanger；20th, burner；30th, controller；40th, gas valve；50th, wind turbine.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the explanation of the utility model, the description in the orientation such as upper, lower, left, right, front and rear is limited both for Fig. 2
Fixed, when the modes of emplacement of the plate heat exchanger 10 changes, the description in corresponding orientation also will be according to placement side
The change of formula and change, this will not be repeated here for the utility model.
With reference to shown in Fig. 1 to Fig. 9, a kind of plate heat exchanger 10 of the preferred embodiment in the utility model, including heat exchanger sheet
Body, the heat exchanger body include multiple heat exchanger plates 1 for stacking gradually connection, first are equipped in the heat exchanger plate 1
Cavity 13 and the second cavity 14 arranged on first cavity, 13 periphery, one end closing of first cavity 13, described the
The other end of one cavity 13 is connected with one end of second cavity 14；The blind end of first cavity 13 is equipped with through it
It is formed between the periphery of first installation cavity 15 of upper and lower surface, the madial wall of first cavity 13 and first installation cavity 15
First passage 16；
The blind end of first cavity 13 is equipped with the water inlet 131 through its upper and lower surface, and the water inlet 131
Between the blind end of the first passage 16 and first cavity 13, second cavity 14 is close to first cavity
13 blind end is equipped with the water outlet 141 through its upper and lower surface；Lead between the adjacent heat exchanger plate 1 equipped with flue gas
Road.
In the utility model embodiment, above-mentioned plate heat exchanger 10 passes through the first cavity 13 in heat exchanger plate 1
The first installation cavity 15 of upper setting, so as to form first passage between the periphery of the madial wall of the first cavity 13 and the first installation cavity 15
16, and between the blind end of 16 and first cavity 13 of first passage set water inlet 131 so that cold water from water inlet 131 into
It can rapidly be flowed into first passage 16 after entering, and the water outlet 141 of the second cavity 14 is flowed to along first passage 16, effectively to drop
The temperature around the first installation cavity 15 on low heat exchanger plate 1, so as to be effectively reduced the combustion for being mounted on the first installation cavity 15
The temperature of burner 20, the problem of damage to avoid heat exchanger plate 1 due to being subject to localized hyperthermia caused by burner 20, into
And ensure on the premise of heat exchanger plate 1 is not damaged, it realizes and plate heat exchanger 10 is directly used on main heat exchanger, in order to
People use plate heat exchanger 10.
With reference to shown in Fig. 3 and Fig. 4, in order to ensure the plate heat exchanger 10 has good heat transfer effect, the present embodiment
Described in heat exchanger plate 1 including connection stacked on top of one another upper heat exchanger plate 11 and lower heat exchanger plate 12, the upper heat exchange
Device plate 11 is equipped with downward concave first groove 111, and it is convex that the lower heat exchanger plate 12 is equipped with first to raise up
Slot 121, first tongue 121 are oppositely arranged and abut with first groove 111；First groove 111 it is interior
Side and the inside of first tongue 121 surround first cavity 13, the outside of first groove 111, described first convex
The madial wall of the outside of slot 121 and the upper heat exchanger plate 11 surrounds second cavity 14.By making the upper heat exchanger
First tongue 121 on first groove 111 and the lower heat exchanger plate 12 on plate 11 is oppositely arranged and phase
Mutually against so that the inside of first groove 111 and the inside of first tongue 121 surround first cavity 13, institute
The madial wall for stating the outside of the first groove 111, the outside of first tongue 121 and the upper heat exchanger plate 11 surrounds second
Cavity 14, so that the capacity of first cavity 13 and second cavity 14 is sufficiently large, to ensure from the water inlet
131 flow into the cool water quantity in first cavity 13 and second cavity 14, so that it is guaranteed that the plate heat exchanger 10 has
Good heat transfer effect.
As shown in figure 4, in order to reduce the cold water resistance suffered in circulation, to further ensure that the plate heat exchanger
10 have good heat transfer effect, and upper heat exchanger plate 11 is convex equipped with run through its upper and lower surface first described in the present embodiment
Platform through hole 112, the lower heat exchanger plate 12 are equipped with the first concave station through hole 122 through its upper and lower surface, and described first is convex
Platform through hole 112 is oppositely arranged with the first concave station through hole 122 and forms the water inlet 131；The upper heat exchanger plate 11
The second boss through hole 113 through its upper and lower surface is equipped with, the lower heat exchanger plate 12 is equipped with through its upper and lower surface
The second concave station through hole 123, the second boss through hole 113 and the second concave station through hole 123 are oppositely arranged and are formed described
Water outlet 141.By making the first boss through hole 112 on the upper heat exchanger plate 11 and the lower heat exchanger plate 12
On the first concave station through hole 122 be oppositely arranged to form the water inlet 131, and make the institute on the upper heat exchanger plate 11
State the second concave station through hole 123 on second boss through hole 113 and the lower heat exchanger plate 12 be oppositely arranged to be formed it is described
Water outlet 141 is circulating so that the structure of the water inlet 131 and the water outlet 141 can efficiently reduce cold water
When suffered resistance, and then ensure that cold water is preferably flowed into from the water inlet 131 in first cavity 13, and from described
The water outlet 141 on second cavity 14 flows out, to ensure that the plate heat exchanger 10 has good heat transfer effect.
With reference to shown in Fig. 3 and Fig. 4, in order to ensure the upper heat exchanger plate 11 and the lower sealing of heat exchanger plate 12 connect
It connects, to further ensure that the plate heat exchanger 10 has good heat transfer effect, upper heat exchanger plate described in the present embodiment
Piece 11 is equipped with the first turnup structure 114, and the lower heat exchanger plate 12 is equipped with the second turnup structure 124, and described first turns over
Side structure 114 is wrapped up second turnup structure 124 and is connected on second turnup structure 124；
The upper heat exchanger plate 11 is equipped with the second installation cavity 115 through its upper and lower surface, the lower heat exchanger plate
Piece 12 is equipped with the 3rd installation cavity 125 through its upper and lower surface, second installation cavity 115 and the 3rd installation cavity 125
It is stacked and forms first installation cavity 15, the periphery of second installation cavity 115 is socketed in the interior of the 3rd installation cavity 125
On side wall.By the way that first turnup structure 114 is set on heat exchanger plate 11 on described and in the lower heat exchanger plate
Second turnup structure 124 on 12 is set, and wraps up the first turnup structure 114 and is connected to second turnup structure
On 124, so as to fulfill the sealed connection between the upper heat exchanger plate 11 and the lower heat exchanger plate 12, to avoid cold water
Outflow in from second cavity 14, so that it is guaranteed that the plate heat exchanger 10 has good heat transfer effect；In addition, pass through by
The periphery of second installation cavity 115 on the upper heat exchanger plate 11 is socketed in described on the lower heat exchanger plate 12
On the madial wall of 3rd installation cavity 125, it is stacked making second installation cavity 115 with the 3rd installation cavity 125 described in formation
While first installation cavity 15, it is ensured that the sealed connection between second installation cavity 115 and the 3rd installation cavity 125,
The outflow out of described first cavity 13 to avoid cold water, thereby further ensures that the plate heat exchanger 10 has good heat exchange
Effect, and then ensure on the premise of the heat exchanger plate 1 is not damaged, it can realize and directly use the plate heat exchanger 10
In on main heat exchanger.
In the utility model embodiment, first turnup structure 114 wraps up second turnup structure 124, and leads to
It crosses and is welded to connect on second turnup structure 124.Certainly, it is necessary to which explanation, first turnup structure 114 can be adopted
Be connected with other connection modes with second turnup structure 124, only need to meet the upper heat exchanger plate 11 with it is described under change
Connection between hot device plate 12 can avoid cold water outflow out of described second cavity 14, not do herein more superfluous
It states.
In the utility model embodiment, the periphery of second installation cavity 115 is socketed in the 3rd installation cavity 125
It is embodied on madial wall：Second installation cavity 115 and the 3rd installation cavity 125 are oppositely arranged, the 3rd installation
It is resisted against at the top of the side wall of chamber 125 on the bottom of the upper heat exchanger plate 11, the side wall of second installation cavity 115 stretches into
In 3rd installation cavity 125, and the lateral wall of second installation cavity 115 and the madial wall of the 3rd installation cavity 125 connect
It connects；It can also be shown as in addition, the periphery of second installation cavity 115 is socketed on the madial wall of the 3rd installation cavity 125：
Second installation cavity 115 and the 3rd installation cavity 125 are oppositely arranged, on the top of the side wall of second installation cavity 115
Equipped with the 3rd horizontally extending flange, the top of the side wall of the 3rd installation cavity 125 is equipped with U-shaped opening slot, and
The openend of the U-shaped opening slot is oppositely arranged with the 3rd flange, and the 3rd flange is stretched into the U-shaped opening slot,
And the 3rd flange is connected with the madial wall of the U-shaped opening slot.
In the utility model embodiment, the periphery of second installation cavity 115 is socketed in the 3rd peace by welding
It behave affectedly on 125 madial wall；In addition it is also possible to the madial wall of second installation cavity 115 is socketed in described the by welding
Three the outer of installation cavity 125 are placed.Certainly, it is necessary to explanation, second installation cavity 115 may be employed other connection modes with
3rd installation cavity 125 connects, and need to only meet the connection between second installation cavity 115 and the 3rd installation cavity 125
Cold water outflow out of described first cavity 13 can be avoided, does not do more repeat herein.
With reference to shown in Fig. 5 and Fig. 6, in order to make structure rationalization, in order to which the burner 20 is mounted on described first
In installation cavity 15, plate heat exchanger 10 described in the present embodiment further includes the heat exchanger foreboard above the heat exchanger body
2, interior the 4th cavity 24 equipped with the 3rd cavity 23 and arranged on 23 periphery of the 3rd cavity of the heat exchanger foreboard 2 is described
One end closing of 3rd cavity 23, the other end of the 3rd cavity 23 are connected with one end of the 4th cavity 24；Described
The blind end of three cavitys 23 is equipped with the 4th installation cavity 25 through its upper and lower surface, and the 4th installation cavity 25 and described the
One installation cavity 15 is oppositely arranged.Second is formed between the madial wall of 3rd cavity 23 and the periphery of the 4th installation cavity 25
Passage 26；
The blind end of 3rd cavity 23 is equipped with the 3rd concave station through hole 231 through its upper and lower surface, and described the
Three concave station through holes 231 are arranged between the second channel 26 and the blind end of the 3rd cavity 23, and the 4th cavity 24 leans on
The blind end of nearly 3rd cavity 23 is equipped with the 4th concave station through hole 241 through its upper and lower surface, and the 3rd concave station leads to
Hole 231 is oppositely arranged with the water inlet 131, and the 4th concave station through hole 241 is oppositely arranged with the water outlet 141.Pass through
The 4th installation cavity 25 is set on the 3rd cavity 23 of the heat exchanger foreboard 2, and makes the 4th installation cavity 25
It is oppositely arranged with first installation cavity 15, is enable to that the burner 20 is installed by the 4th installation cavity 25
In first installation cavity 15, and then guarantee the plate heat exchanger 10 on the main heat exchanger.It is in addition, logical
It crosses between the periphery of the madial wall and the 4th installation cavity 25 that make the 3rd cavity 23 and forms the second channel 26, and
It is set and the water inlet 131 the corresponding described 3rd between the blind end of the second channel 26 and the 3rd cavity 23
Concave station through hole 231, and set and the corresponding 4th concave station through hole of the water outlet 141 on the 4th cavity 24
241 so that cold water can be flowed by the 3rd concave station through hole 231 in the second channel 26, to reduce the 4th peace
The temperature behaveing affectedly around 25, while cold water can flow into the heat exchange by the 3rd concave station through hole 231 through the water inlet 131
In device plate 1, so that it is guaranteed that cold water can be flowed into first cavity 13, to reduce the temperature around first installation cavity 15
Degree, and the 4th concave station through hole 241 is flowed to by the water outlet 141, so that cold water flows to the outer of the plate heat exchanger 10
Portion, and then ensure that cold water can be flowed into from the 3rd concave station through hole 231 in the plate heat exchanger 10, and it is recessed from the described 4th
Platform through hole 241 flows to the outside of the plate heat exchanger 10.
As shown in fig. 6, the temperature being effectively reduced around the 4th installation cavity 25 is ensured that, to ensure not
On the premise of damaging the heat exchanger foreboard 2, realize and the plate heat exchanger 10 is directly used on main heat exchanger, the present embodiment
Described in heat exchanger foreboard 2 including connection stacked on top of one another upper heat exchanger foreboard 21 and lower heat exchanger foreboard 22, the lower heat exchange
22 are equipped with the second tongue 221 for raising up on device foreboard, before the top of second tongue 221 is resisted against the upper heat exchanger
On the bottom of plate 21；The inside of second tongue 221 surrounds the 3rd cavity 23, the outside of second tongue 221 and
The madial wall of the upper heat exchanger foreboard 21 surrounds the 4th cavity 24.Described in being set on the lower heat exchanger foreboard 22
Second tongue 221, and the top of second tongue 221 is made to be resisted against on the bottom of the upper heat exchanger foreboard 21, so that institute
The inside for stating the second tongue 221 surrounds the 3rd cavity 23, the outside of second tongue 221 and the upper heat exchanger foreboard
21 madial wall surrounds the 4th cavity 24, so that it is guaranteed that cold water can flow into described from the 3rd concave station through hole 231
In three cavitys 23, and the 4th cavity 24 is flowed by the 3rd cavity 23, most afterwards through described on the 4th cavity 24
4th concave station through hole 241 flows out, and then the temperature being effectively reduced around the 4th installation cavity 25, to ensure do not damaging institute
On the premise of stating heat exchanger foreboard 2, realize and the plate heat exchanger 10 is directly used on main heat exchanger.
, it is necessary to illustrate in the utility model embodiment, can be set to lower recess on the upper heat exchanger foreboard 21
The 3rd groove, and the bottom of the 3rd groove is resisted against on the top of the lower heat exchanger foreboard 22；It is further, it is also possible to same
When set on described on heat exchanger foreboard 21 the 3rd groove and on the lower heat exchanger foreboard 22 set described second
Tongue 221, and second tongue 221 is made to be oppositely arranged and abut with the 3rd groove.
In addition, in the utility model embodiment, the upper heat exchanger foreboard 21 is equipped with the through its upper and lower surface
One through hole 211, the lower heat exchanger foreboard 22 are equipped with the second through hole 222 through its upper and lower surface, the first through hole 211
It is oppositely arranged with second through hole 222, and the first through hole 211 is located in the forward projection of the lower heat exchanger foreboard 22
In second through hole 222；The madial wall of second through hole 222 is equipped with the first surrounding edge 2221 for upwardly extending, and described first
The one end of surrounding edge 2221 away from second through hole 222 is resisted against on the bottom of the upper heat exchanger foreboard 21, and described first encloses
The inside on side 2221 surrounds the 4th installation cavity 24, the outside of first surrounding edge 2221 and second tongue 221 it is interior
Side forms the second channel 26.
In the utility model embodiment, multiple bolts 212, multiple spiral shells are additionally provided on the upper heat exchanger foreboard 21
Bolt 212 is distributed in the periphery of the first through hole 211, and the burner 20 is fixed on the described 4th by the bolt 212
In installation cavity 25.
With reference to shown in Fig. 7 and Fig. 8, in order to make structure rationalization, to ensure cold water only from described in the heat exchanger foreboard 2
3rd concave station through hole 231 is flowed into the plate heat exchanger 10, and flows to the plate-type heat-exchange from the 4th concave station through hole 241
The outside of device 10, plate heat exchanger 10 described in the present embodiment further include the heat exchanger back plate below the heat exchanger body
3, interior the 6th cavity 34 equipped with the 5th cavity 33 and arranged on 33 periphery of the 5th cavity of the heat exchanger back plate 3 is described
One end closing of 5th cavity 33, the other end of the 5th cavity 33 are connected with one end of the 6th cavity 34；
The blind end of 5th cavity 33 is equipped with the 3rd boss through hole 331 through its upper surface, the 6th chamber
Body 34 is equipped with close to the blind end of the 5th cavity 33 through its 4th boss through hole 341 of upper surface, the 3rd boss
Through hole 331 is oppositely arranged with the water inlet 131, and the 4th boss through hole 341 is oppositely arranged with the water outlet 141.It is logical
It crosses and is set on the 4th cavity 33 through the 3rd boss through hole 331 of its upper surface and on the 6th cavity 34
The 4th boss through hole 341 through its upper surface is set, and leads to the 3rd boss through hole 331 and the 4th boss
Hole 341 is oppositely arranged respectively with the water inlet 131 and the water outlet 141, so that cold water can be from the heat exchanger
The water inlet 131 on plate 1 is flowed into through the 3rd boss through hole 331 in the 5th cavity 33, and by the described 5th
Cavity 33 flows into the 6th cavity 34, is finally flowed into from the 4th boss through hole 341 on the 6th cavity 24 described
Water outlet 141 so that cold water is flow back into the heat exchanger plate 1, and then ensures cold water only from the institute of the heat exchanger foreboard 2
It states the 3rd concave station through hole 231 to flow into plate heat exchanger 10, and is flowed to from the 4th concave station through hole 241 of the heat exchanger foreboard 2
The outside of plate heat exchanger 10.
As shown in figure 8, in order to further ensure that the plate heat exchanger 10 has good heat transfer effect, the present embodiment
Described in heat exchanger back plate 3 including connection stacked on top of one another upper heat exchanger back plate 31 and lower heat exchanger back plate 32, the upper heat exchange
Device back plate 31 is equipped with downward concave second groove 311, after the bottom surface of second groove 311 is resisted against the lower heat exchanger
On the top of plate 32；The inside of second groove 311 surrounds the 5th cavity 33, the outside of second groove 331 and
The madial wall of the upper heat exchanger back plate 31 surrounds the 6th cavity 34.By the way that institute is set in heat exchanger back plate 31 on described
The second groove 311 is stated, and the bottom surface of second groove 311 is made to be resisted against on the top of the lower heat exchanger back plate 32, so that
The inside of second groove 311 surrounds the 5th cavity 33, behind the outside of second groove 311 and the upper heat exchanger
The madial wall of plate 31 surrounds the 6th cavity 34, so that it is guaranteed that cold water can be flowed into from the 3rd boss through hole 331 it is described
5th cavity 33, and the 6th cavity 34 is flowed by the 5th cavity 33, most afterwards through described on the 6th cavity 34
4th boss through hole 341 flows out, and then ensures that the plate heat exchanger 10 has good heat transfer effect.
, it is necessary to illustrate in the utility model embodiment, it can set and raise up in the lower heat exchanger back plate 32
The 3rd tongue, and be resisted against at the top of the 3rd tongue on the bottom of the upper heat exchanger back plate 31；It is further, it is also possible to same
When second groove 311 on described in heat exchanger back plate 31 is set and 32 sets described the in the lower heat exchanger back plate
Three tongues, and second groove 311 is made to be oppositely arranged and abut with the 3rd tongue.
In the utility model embodiment, the material of the heat exchanger plate 1 can select according to requirements, such as steel
Material, stainless steel, aluminium alloy etc..In order to simplify structure and design, to reduce cost, it is preferable that changed described in the present embodiment
The material of hot device plate 1 is stainless steel.
In the utility model embodiment, the material of the heat exchanger foreboard 2 can select according to requirements, such as steel
Material, stainless steel, aluminium alloy etc..In order to simplify structure and design, to reduce cost, it is preferable that changed described in the present embodiment
The material of hot device foreboard 2 is stainless steel.
In the utility model embodiment, the material of the heat exchanger back plate 3 can select according to requirements, such as steel
Material, stainless steel, aluminium alloy etc..In order to simplify structure and design, to reduce cost, it is preferable that changed described in the present embodiment
The material of hot device back plate 3 is stainless steel.
As shown in Figure 10, in order to solve the technical issues of identical, the utility model also provides a kind of gas heater, including
Burner 20, controller 30, gas valve 40, wind turbine 50 and above-mentioned plate heat exchanger 10；First control of the controller 30
End processed is electrically connected with the input terminal of the gas valve 40, the second control terminal of the controller 30 and the input terminal of the wind turbine 50
Electrical connection, the burner 20 are connected with the gas valve 40, and the burner 20 is accommodating and is connected to first installation cavity
In 15.
To sum up, a kind of plate heat exchanger 10 that the utility model embodiment provides, passes through the first chamber in heat exchanger plate 1
First installation cavity 15 is set on body 13, so as to form first between the periphery of the madial wall of the first cavity 13 and the first installation cavity 15
Passage 16, and water inlet 131 is set between the blind end of 16 and first cavity 13 of first passage, so that cold water is from water inlet
It can rapidly be flowed into first passage 16 after 131 entrance, and the water outlet 141 of the second cavity 14 is flowed to along first passage 16, to have
Effect ground reduces the temperature around the first installation cavity 15 on heat exchanger plate 1, and the first installation cavity is mounted on so as to be effectively reduced
The temperature of 15 burner 20, heat exchanger plate 1 to be avoided to be damaged due to being subject to localized hyperthermia caused by burner 20
The problem of, and then ensure on the premise of heat exchanger plate 1 is not damaged, to realize plate heat exchanger 10 being directly used in main heat exchanger
On, in order to which people use plate heat exchanger 10.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, several improvement and replacement can also be made, these change
The scope of protection of the utility model is also should be regarded as into replacement.
Claims (10)
1. a kind of plate heat exchanger (10), which is characterized in that including heat exchanger body, the heat exchanger body include it is multiple successively
The heat exchanger plate (1) of connection is stacked, the first cavity (13) is equipped in the heat exchanger plate (1) and arranged on first chamber
The second cavity (14) of body (13) periphery, one end closing of first cavity (13), the other end of first cavity (13)
It is connected with one end of second cavity (14)；The blind end of first cavity (13) is equipped with the through its upper and lower surface
It is logical to form first for one installation cavity (15) between the madial wall of first cavity (13) and the periphery of first installation cavity (15)
Road (16)；
The blind end of first cavity (13) is equipped with the water inlet (131) through its upper and lower surface, and the water inlet
(131) it is arranged between the first passage (16) and the blind end of first cavity (13), second cavity (14) is close
The blind end of first cavity (13) is equipped with the water outlet (141) through its upper and lower surface；The adjacent heat exchanger plate
Exhaust gases passes are equipped between piece (1).
2. plate heat exchanger (10) as described in claim 1, which is characterized in that the heat exchanger plate (1) includes levels
The upper heat exchanger plate (11) and lower heat exchanger plate (12) of folded connection, the upper heat exchanger plate (11) are equipped with to lower recess
The first groove (111), the lower heat exchanger plate (12) is equipped with the first tongue (121) for raising up, and described first is convex
Slot (121) is oppositely arranged and abuts with first groove (111)；The inside of first groove (111) and described
First cavity (13), the outside of first groove (111), first tongue are surrounded on the inside of one tongue (121)
(121) outside and the madial wall of the upper heat exchanger plate (11) surrounds second cavity (14).
3. plate heat exchanger (10) as claimed in claim 2, which is characterized in that the upper heat exchanger plate (11) is equipped with and passes through
Wear the first boss through hole (112) of its upper and lower surface, the lower heat exchanger plate (12) is equipped with the through its upper and lower surface
One concave station through hole (122), the first boss through hole (112) are oppositely arranged with the first concave station through hole (122) and form institute
State water inlet (131)；The upper heat exchanger plate (11) is equipped with the second boss through hole (113) through its upper and lower surface, institute
It states lower heat exchanger plate (12) and is equipped with the second concave station through hole (123) for running through its upper and lower surface, the second boss through hole
(113) it is oppositely arranged with the second concave station through hole (123) and forms the water outlet (141).
4. plate heat exchanger (10) as claimed in claim 2, which is characterized in that the upper heat exchanger plate (11) is equipped with the
One turnup structure (114), the lower heat exchanger plate (12) are equipped with the second turnup structure (124), first turnup structure
(114) wrap up second turnup structure (124) and be connected on second turnup structure (124)；
The upper heat exchanger plate (11) is equipped with the second installation cavity (115) through its upper and lower surface, the lower heat exchanger plate
Piece (12) is equipped with the 3rd installation cavity (125) through its upper and lower surface, second installation cavity (115) and the described 3rd installation
Chamber (125) is stacked and forms first installation cavity (15), and the periphery of second installation cavity (115) is socketed in the 3rd peace
It behave affectedly on the madial wall of (125).
5. such as claim 1-4 any one of them plate heat exchanger (10), which is characterized in that the plate heat exchanger (10)
The heat exchanger foreboard (2) above the heat exchanger body is further included, the 3rd cavity is equipped in the heat exchanger foreboard (2)
(23) and the 4th cavity (24) arranged on the 3rd cavity (23) periphery, one end of the 3rd cavity (23) are closed, institute
The other end for stating the 3rd cavity (23) is connected with one end of the 4th cavity (24)；On the blind end of 3rd cavity (23)
Equipped with the 4th installation cavity (25) through its upper and lower surface, the 4th installation cavity (25) is opposite with first installation cavity (15)
It sets；Second channel (26) is formed between the madial wall of 3rd cavity (23) and the periphery of the 4th installation cavity (25)；
The blind end of 3rd cavity (23) is equipped with the 3rd concave station through hole (231) through its upper and lower surface, and described the
Three concave station through holes (231) are arranged between the second channel (26) and the blind end of the 3rd cavity (23), the 4th chamber
Body (24) is equipped with the 4th concave station through hole (241) through its upper and lower surface, institute close to the blind end of the 3rd cavity (23)
It states the 3rd concave station through hole (231) to be oppositely arranged with the water inlet (131), the 4th concave station through hole (241) and the water outlet
Mouth (141) is oppositely arranged.
6. plate heat exchanger (10) as claimed in claim 5, which is characterized in that the heat exchanger foreboard (2) includes levels
The upper heat exchanger foreboard (21) and lower heat exchanger foreboard (22) of folded connection, the lower heat exchanger foreboard (22) are equipped with and raise up
The second tongue (221), be resisted against on the bottom of the upper heat exchanger foreboard (21) at the top of second tongue (221)；Institute
It states and the 3rd cavity (23) is surrounded on the inside of the second tongue (221), the outside of second tongue (221) and the upper heat exchange
The madial wall of device foreboard (21) surrounds the 4th cavity (24).
7. plate heat exchanger (10) as claimed in claim 5, which is characterized in that the plate heat exchanger (10), which further includes, to be arranged on
Heat exchanger back plate (3) below the heat exchanger body, the heat exchanger back plate (3) is interior to be equipped with the 5th cavity (33) and is arranged on
6th cavity (34) of the 5th cavity (33) periphery, one end closing of the 5th cavity (33), the 5th cavity
(33) the other end is connected with one end of the 6th cavity (34)；
The blind end of 5th cavity (33) is equipped with the 3rd boss through hole (331) through its upper surface, the 6th chamber
Body (34) is equipped with the 4th boss through hole (341) through its upper surface close to the blind end of the 5th cavity (33), described
3rd boss through hole (331) is oppositely arranged with the water inlet (131), the 4th boss through hole (341) and the water outlet
(141) it is oppositely arranged.
8. plate heat exchanger (10) as claimed in claim 7, which is characterized in that the heat exchanger back plate (3) includes levels
The upper heat exchanger back plate (31) and lower heat exchanger back plate (32) of folded connection, the upper heat exchanger back plate (31) are equipped with to lower recess
The second groove (311), the bottom of second groove (311) is resisted against on the top of the lower heat exchanger back plate (32)；Institute
It states and the 5th cavity (33) is surrounded on the inside of the second groove (311), the outside of second groove (311) and the upper heat exchange
The madial wall of device back plate (31) surrounds the 6th cavity (34).
9. plate heat exchanger (10) as claimed in claim 8, which is characterized in that the heat exchanger plate (1), the heat exchanger
Foreboard (2) and the material of the heat exchanger back plate (3) are stainless steel.
10. a kind of gas heater, which is characterized in that including burner (20), controller (30), gas valve (40), wind turbine
(50) and such as claim 1-9 any one of them plate heat exchanger (10)；First control terminal of the controller (30) with
The input terminal electrical connection of the gas valve (40), the second control terminal of the controller (30) and the input terminal of the wind turbine (50)
Electrical connection, the burner (20) connects with the gas valve (40), and the burner (20) houses and is connected to described first
In installation cavity (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721211361.6U CN207379335U (en) | 2017-09-20 | 2017-09-20 | A kind of plate heat exchanger and gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721211361.6U CN207379335U (en) | 2017-09-20 | 2017-09-20 | A kind of plate heat exchanger and gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207379335U true CN207379335U (en) | 2018-05-18 |
Family
ID=62341205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721211361.6U Withdrawn - After Issue CN207379335U (en) | 2017-09-20 | 2017-09-20 | A kind of plate heat exchanger and gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207379335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560473A (en) * | 2017-09-20 | 2018-01-09 | 广东万和新电气股份有限公司 | A kind of plate type heat exchanger and gas heater |
-
2017
- 2017-09-20 CN CN201721211361.6U patent/CN207379335U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560473A (en) * | 2017-09-20 | 2018-01-09 | 广东万和新电气股份有限公司 | A kind of plate type heat exchanger and gas heater |
| CN107560473B (en) * | 2017-09-20 | 2024-01-02 | 广东万和新电气股份有限公司 | Plate heat exchanger and gas water heater |
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