CN105890168B - A kind of directly-heated type Teat pump boiler unit - Google Patents

A kind of directly-heated type Teat pump boiler unit Download PDF

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Publication number
CN105890168B
CN105890168B CN201610417885.4A CN201610417885A CN105890168B CN 105890168 B CN105890168 B CN 105890168B CN 201610417885 A CN201610417885 A CN 201610417885A CN 105890168 B CN105890168 B CN 105890168B
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outer tube
tube
water
compressor
heat exchanger
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CN105890168A (en
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何玮
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Xuzhou Licheng Environmental Material Co., Ltd.
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Xinyi Time Set Construction And Development Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00Fluid heaters characterised by the use of heat pumps
    • F24H4/02Water heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates or heating means

Abstract

The present invention relates to energy-saving equipment fields.It is designed to provide a kind of directly-heated type Teat pump boiler unit with high heating properties.The technical solution adopted in the present invention is:A kind of directly-heated type Teat pump boiler unit, including compressor, the outlet of compressor and the outer tube of double-tube heat exchanger connect, the outer pipe end of double-tube heat exchanger is connect with electric expansion valve, electric expansion valve is connect with evaporator, evaporator is connect with gas-liquid separator, the import connection of gas-liquid separator and compressor.The outer tube of double-tube heat exchanger is uniformly divided into multistage along the flow direction of thermal medium, and the outlet of compressor is connect with each section of outer tube respectively by flow divider, and check valve is respectively provided between adjacent two sections of outer tube;The inner tube of double-tube heat exchanger is connect with tap water pipe network and water tank respectively.The present invention can improve the heat exchange rate of heat transferring medium and water, greatly improve the heating properties of directly-heated type Teat pump boiler unit.

Description

A kind of directly-heated type Teat pump boiler unit
Technical field
The present invention relates to energy-saving equipment fields, are specifically related to a kind of Teat pump boiler.
Background technology
Teat pump boiler is exactly that heat is transmitted to setting in water from cryogenic object by medium using inverse Carnot's principle It is standby.Heat pump assembly can make medium (refrigerant) phase transformation, and temperature is lower than low-temperature heat source, thus spontaneous absorption heat of low-temperature heat source, The medium after compressor is returned to, and is compressed into high temperature and high pressure gas, to spontaneous heat release, is realized from low-temperature heat source " carrying " heat Amount.Teat pump boiler workflow is to become the gas discharge of high temperature and pressure after compressor compresses the low pressure refrigerant of reflux, high The cold media gas of warm high pressure flows through the copper pipe for being wrapped in water tank outside, and heat is transmitted to through copper pipe in water tank, and what is cooled down is cold Matchmaker becomes liquid under the continuous action of pressure, evaporator is entered after electric expansion valve, since the pressure of evaporator drops suddenly It is low, therefore the refrigerant of liquid evaporates rapidly become gaseous state herein, a large amount of air stream pervaporation device outer surface, the energy in air It is absorbed by evaporator, air themperature reduces rapidly, and becomes cold air release.The refrigerant return of certain energy is then absorbed to compression Machine, into next cycle.Air source hot pump water heater can absorb the low temperature heat energy in air, and turn inside machine High temperature heat is turned to, water temperature is then heated, air source hot pump water heater is very energy saving, and efficiency is also very high.Air Source heat pump water heater is one of state-of-the-art using energy source product in the world today.As economic fast development is lived with people The raising of grade, hot water for life have become people's lives necessity, however traditional water heater (electric heater, fuel oil, gas Water heater) have the shortcomings that energy consumption is big, costly, seriously polluted;And the operation of energy saving and environment friendly solar water heater by The restriction of meteorological condition.Air source hot pump water heater is the large, medium and small heat in the places such as current school dormitory, hotel, bath center The best solution of water centralizedly supply system.
But existing Teat pump boiler heat transfer effect is not ideal enough, particularly, existing Teat pump boiler mainly uses Double-tube heat exchanger, the process i.e. thermal medium and water that heat transferring medium flows in outer tube form thermally equilibrated process, due to passing Hot rate=driving force of heat transfer(Temperature difference)/ heat transfer resistance, that is, the bigger rate of heat transfer of the temperature difference are higher, therefore in sleeve heat exchange Device end, after heat exchange medium temperature declines, heat transfer rate is slack-off, causes the double-tube heat exchanger of Teat pump boiler in both ends heat-exchange performance Energy difference is big, and heating is unstable, and heating properties are low.In addition, heat transferring medium and the water heat exchange due to double-tube heat exchanger end are slow, lead Heat transferring medium is caused still not obtain enough coolings after flowing out double-tube heat exchanger, which increases compressor loads, to complete machine Service life cause undesirable influence.
Invention content
The purpose of the present invention is to provide a kind of directly-heated type Teat pump boiler units with high heating properties.
For achieving the above object, the technical solution adopted in the present invention is:A kind of directly-heated type Teat pump boiler unit, Including compressor, the outer tube of the outlet of the compressor and double-tube heat exchanger connects, the outer pipe end of described sleeve pipe heat exchanger with Electric expansion valve connects, and the electric expansion valve is connect with evaporator, and the evaporator is connect with gas-liquid separator, the gas-liquid The import of separator and compressor connects.
The outer tube of described sleeve pipe heat exchanger is uniformly divided into multistage along the flow direction of heat transferring medium, and the outlet of the compressor is logical It crosses flow divider to connect with each section of outer tube respectively, check valve is respectively provided between adjacent two sections of the outer tube.Described sleeve pipe is changed The inner tube of hot device is connect with tap water pipe network and water tank respectively.
Preferably, the outer tube is divided into three sections.
Preferably, the heat transferring medium flow direction in the outer tube with the flow in inner tube to opposite.
Preferably, said inner tube uses aluminum alloy materials, the aluminum alloy materials to press the element percentage number of quality proportioning For:Silicon Si:18%-23%;Copper Cu:3-4%;Magnesium Mg:1.5-2%;Chromium Cr:0.05-0.15%;Scandium Sc:0.3-0.5%;Titanium Ti: 0.15-0.25%;Strontium Sr:0.1-0.2%;Niobium Nb:0.05-0.1%, barium Ba:0.2-0.3%, remaining as aluminium Al.
Preferably, the outer tube includes the Corrosion Protection of Fiber Reinforced Plastics layer set gradually from the inside to the outside, stainless steel tube layer, foam thermal insulation Layer.
Preferably, between the compressor and double-tube heat exchanger, between gas-liquid separator and compressor, evaporator and gas-liquid It is connected by four-way valve between separator.
Preferably, further include shell, the compressor, double-tube heat exchanger, electric expansion valve, evaporator, gas-liquid separator It is respectively positioned in shell.The evaporator is u-shaped, and is distributed along shell left and right side and the back side, the shell left and right side and The back side is surrounded by metal mesh, and door-plate is arranged in shell front, and wind turbine, the inlet end and exhaust end point of the wind turbine is arranged in housing top surface Not Wei Yu housing top surface interior outside.
Preferably, controller is additionally provided in the shell, the controller connects with four-way valve, compressor, wind turbine respectively It connects.
Preferably, electricity auxiliary heating component is equipped in the water tank, the electricity auxiliary heating component includes being located at water tank Interior electrothermal tube and temperature inductor, the electrothermal tube and temperature inductor are connect with controller respectively.
Preferably, the controller is touch-screen type controller.
Beneficial effects of the present invention embody a concentrated reflection of, and can greatly improve the heating property of directly-heated type Teat pump boiler unit Energy.Particularly, the outer tube of described sleeve pipe heat exchanger is uniformly divided into multistage, the outlet of compressor by flow divider respectively with outside Each section of connection of pipe, so ensures that the water in the heat transferring medium and inner tube during heat exchange in each section of outer tube Higher temperature difference can be kept, due to rate of heat transfer=driving force of heat transfer(Temperature difference)/ heat transfer resistance, temperature difference get over Gao Zechuan Hot rate is faster, so the heating properties of the present invention are greatly enhanced.It is arranged between two sections of adjacent simultaneously outer tubes unidirectional Valve avoids heat transferring medium reflux, it is ensured that the stability of heat exchange.Heat transferring medium flow direction and the inner tube being preferably arranged in outer tube In flow on the contrary, which guarantee during heat exchange, heat transferring medium and the water in inner tube remain at it is higher compared with Stable temperature difference further improves the stability of heating.In addition the outer tube of double-tube heat exchanger is closed by preferred specific aluminium Golden material, the material is compared with traditional material, and not only heat conductivility is more preferable, but also structural strength is more preferably, can further carry The high service life of the present invention.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the scheme of installation of shell;
Fig. 3 is the scheme of installation of water tank;
Fig. 4 is the structural schematic diagram of double-pipe condenser;
Fig. 5 is the A-A direction views of structure shown in Fig. 4;
Fig. 6 is the portions B enlarged drawing in Fig. 5;
Fig. 7 is a kind of preferred cisten mechanism schematic diagram;
Fig. 8 is the portions C enlarged drawing in Fig. 7.
Specific implementation mode
A kind of directly-heated type Teat pump boiler unit in conjunction with shown in Fig. 1-6, including compressor 1.The outlet of compressor 1 and set The outer tube 4 of heat exchange of heat pipe 2 connects, and 4 end of outer tube of described sleeve pipe heat exchanger 2 is connect with electric expansion valve 5, and heat transferring medium is outside Flowing, the electric expansion valve 5 are connect with evaporator 6 in pipe 4, and the evaporator 6 is connect with gas-liquid separator 7, the gas-liquid Separator 7 is connect with the import of compressor 1.
The outer tube 4 of described sleeve pipe heat exchanger 2 is uniformly divided into multistage along the flow direction of heat transferring medium, and the heat transferring medium can be with Be nitrogen, ammonia or other play the gas of phase same-action.The outlet of the compressor 1 by flow divider 10 respectively with outer tube 4 Each section of connection, be respectively provided with check valve 8 between adjacent two sections of the outer tube 4, check valve 8 avoids heat transferring medium reflux, Ensure the stability of heat exchange.The inner tube 3 of described sleeve pipe heat exchanger 2 is connect with tap water pipe network and water tank 9 respectively, and cold water exists Heat transferring medium during flowing through inner tube 3 and in outer tube 4 exchanges heat.Hot water storage after heat exchange is in water tank 9.
In the use process of the present invention, heat transferring medium is compressed into high temperature and high pressure gas by compressor 1 first, is changed at this time Thermal medium respectively enters each section of outer tube 4 by flow divider 10 and pipeline, and the water from tap water pipe network is flowed through from inner tube 3, It exchanges heat with heat transferring medium during by inner tube 3.Water after heat exchange flows into for use in water tank 9 by pipeline.Heat exchange Medium is reduced with temperature after water heat exchange, and the heat transferring medium after temperature reduces becomes liquid under the continuous action of pressure.By electricity After sub- expansion valve 5, heat transferring medium enters evaporator 6, and in this process, then heat transferring medium gasification heat absorption enters back into compression Cycle is again gone into machine 1.The present invention is since outer tube 4 divides for multistage, and the heat transferring medium of high temperature is carried out with each section respectively Heat exchange is the high-temperature gas being just discharged from compressor 1 into 4 each sections of heat transferring medium of outer tube, therefore heat transferring medium and interior Water temperature difference in pipe 3 is larger.And traditional heat exchange mode, along with heat during flowing in outer tube 4 due to heat transferring medium Amount loss, therefore temperature is lower and lower, in the endpiece of outer tube 4, the temperature difference of heat transferring medium and water will greatly reduce.Due to heat transfer speed Rate=driving force of heat transfer(Temperature difference)The/heat transfer resistance, temperature difference the high also faster with regard to rate of heat transfer.So the heat exchange side of the present invention Formula is compared with traditional heat exchange mode, faster more efficient.The outer tube 4 can be divided into two sections, three sections, four sections it is even more, when Right 4 hop count of outer tube more at most heat transfer rate is faster, and better effects can be reached by being divided into three sections under normal conditions.
Better way is, the heat transferring medium flow direction in the outer tube 4 and the flow in inner tube 3 are to opposite, that is to say, that The outlet end of outer tube 4 is the input end of inner tube 3.So, in this way it is ensured that during heat exchange, heat transferring medium and inner tube 3 In water remain at relatively stable temperature difference, to further improve the stability of the present invention.
Further, said inner tube 3 uses aluminum alloy materials, the aluminum alloy materials to press the element percentage of quality proportioning Number is:Silicon Si:18%-23%;Copper Cu:3-4%;Magnesium Mg:1.5-2%;Chromium Cr:0.05-0.15%;Scandium Sc:0.3-0.5%;Titanium Ti: 0.15-0.25%;Strontium Sr:0.1-0.2%;Niobium Nb:0.05-0.1%, barium Ba:0.2-0.3%, remaining as aluminium Al.
Aluminum alloy materials of the present invention are prepared by following steps:
(1)By chemical analysis to raw material screening, wherein must assure that the purity of aluminium is more than 99.9%, silicon, copper, magnesium Purity is more than 99.5%, is then dried to all raw material, and drying temperature is 100-105 degree, time >=2 hour.
(2)All raw material are packed into intermediate frequency vaccum sensitive stove, are in close contact each raw material in shove charge.
(3)Check equipment, it is ensured that equipment is normal, such as:Water circulation pipe, electric system and peep hole etc..
(4)It vacuumizes, until power transmission starts when 20Pa or less.Initial power 45KW;It is adjusted after 2-3 minutes to 55KW;Work as conjunction After financeization, adjusts to 80KW and poured into a mould after being kept for 8 minutes.
(5)Casting complete postcooling 120 minutes or more can come out of the stove, and then take out aluminum alloy materials of the present invention.
Aluminum alloy materials of the present invention are subjected to physical analysis, obtain yield strength and thermal coefficient(Heat conductivity). Then it is compared with the preferable aluminum alloy materials of common thermal conductivity and silver, copper, comparing result is listed by following table:
According to data shown in upper table, aluminum alloy materials made of being matched by this programme are compared with conventional aluminium alloy, no Only heat conductivility is more preferable, and structural strength is more preferably.Specifically, since inner tube 3 needs pressure-bearing, and pure aluminum material intensity is not Foot, cannot be directly applied in inner tube 3.If the aluminium content in 1070 aluminium and 1050 aluminium has all reached 99% or more, although it is led Hot property is all fine, but its intensity deficiency is so cannot apply on bearing pipe.Inner tube 3 belongs to bearing pipe, needs to select It is made of the larger material of intensity, although copper intensity and heat conductivity are fine, it is not only expensive, but also weight is big. In conventional understanding, the heat conductivility of aluminium alloy is significantly less than fine aluminium, and the heat conductivility of aluminium alloy is in wherein aluminium content Positive correlation, and the aluminium alloy aluminium content in this programme only has 70% or so, but its heat conductivility but basically reaches the water of fine aluminium It is flat, and structural strength is much improved.Under the premise of not sacrificing its heat conductivility, reaches such intensity and greatly surpass Expectation is gone out.
Better way is that the outer tube 4 includes the Corrosion Protection of Fiber Reinforced Plastics layer 11 set gradually from the inside to the outside as shown in Figure 6, no Become rusty steel pipe layer 12, foam heat-insulation layer 13.In order to simplify structure, while control is easily facilitated, the compressor 1 and double-tube heat exchanger 2, gas-liquid separator 7 is connect by four-way valve 14 with compressor 1, evaporator 6 with gas-liquid separator 7.That is four-way valve 14 are provided with compressor interface, pressure separation device interface, evaporator interface, double-tube heat exchanger interface.
Further include shell 15, the compressor 1, double-tube heat exchanger 2, electric expansion valve 5, evaporator 6, gas-liquid separator 7 It is respectively positioned in shell 15.The evaporator 6 can be plate, be arranged in a side of shell 15, but preferably scheme is Evaporator 6 is u-shaped, and is distributed along 15 left and right side of shell and the back side, and 15 left and right side of the shell and the back side are by metal mesh It surrounds, wind turbine 16 is arranged in 15 front setting door-plate of shell, 15 top surface of shell, and the inlet end and exhaust end of the wind turbine 16 distinguish position Interior outside in 15 top surface of shell.So, the not only area bigger of evaporator 6, effect is more when with air heat-exchange It is good, and arrangement is more rationally compact, saves mounting area.Wind turbine 16 can drive rapid air movement, avoid 6 table of evaporator Face frosting.In addition, be additionally provided with controller in the shell 15, the controller respectively with four-way valve 14, compressor 1, wind turbine 16 connections.It preferably sets controller to the form of touch screen, can thus easily facilitate the operation of staff.
As shown in Figure 3, electricity auxiliary heating component is additionally provided in the water tank, the electricity auxiliary heating component includes being located at Electrothermal tube 17 in water tank 9 and temperature inductor 18, the electrothermal tube 17 and temperature inductor 18 are connect with controller respectively. In this way, when temperature is too low, electrothermal tube 17 can be opened, auxiliary heating directly is carried out to water tank 9, further increase this The environmental suitability of invention.
Or as shown in Figure 7, further the water tank 9 can be optimized for include babinet 91, just no longer needed at this time Electrothermal tube 17 is set.Box house is divided into multiple isolated areas 96, institute by the multiple vertical partition boards 92 of setting in the babinet 91 It states and is respectively provided with a ball-cock assembly 93 on each partition board 92, when the water level in isolated area 96 is less than the then corresponding ball-cock assembly of ball-cock assembly 93 93 open, and on the contrary then ball-cock assembly 93 is closed.The ball-cock assembly 93 is located at the position on partition board 92 along babinet 91 1 laterally opposed one The direction of side increases successively.The a highest isolated area 96 setting hot water inlet 94 in 93 position of the ball-cock assembly and water supplement port 95, Water supplement port 95 is connect with tap water pipe network.Feed water inlet 97 is arranged in minimum 96 bottom of isolated area of 93 position of ball-cock assembly, supplies water Mouth 97 is connected with water end (W.E.).The position of ball-cock assembly 93 as shown in Figure 7 is to increase successively from left to right, then hot water inlet 94 and benefit The mouth of a river 95 is located at the isolated area 96 of the rightmost side, and feed water inlet 97 is located at leftmost isolated area 96, if 93 raised side of ball-cock assembly To turn left from the right side, then it is correspondingly arranged.92 top of each partition board is respectively provided with the through-hole being connected to two neighboring isolated area 96 111,111 height of the through-hole is equal, and refluxing opening 98 and temperature inductor 18 are respectively provided in each described isolated area 96, described Refluxing opening 98 is located at 96 bottom of isolated area, each refluxing opening 98 passes through pipeline and return duct 110 with solenoid valve 100 respectively Connection.The return duct 110 takes back the water inlet end of inner tube 3, and hot water inlet 94 is connect with the water outlet of inner tube 3.
So, the present invention just can be by the way of directly-heated, also can be by the way of cycle.By water tank 9 into Row moisturizing is circulating, is directly-heated type by 3 moisturizing of inner tube.When using 9 moisturizing of water tank, a kind of state is water tank Water temperature has reached the hot water of predetermined temperature in 9, needs to carry out moisturizing after hot water use, is exactly process of the user in use hot water In, at first be hot water in the isolated area 96 of the leftmost side in Fig. 7, when the water level decreasing in the isolated area 96 to ball-cock assembly 93 When following, corresponding ball-cock assembly 93 is opened, and the hot water from left to right in second isolated area 96 of number adds to wherein at this time, backward Each isolated area 96 in hot water can be supplemented by the isolated area 96 on the right side of it, after supplement, on water level It rises, ball-cock assembly 93 is closed.Water between isolated area 96 adjacent at this time does not circulate, so not interfereing with each other.When the rightmost side After water level in isolated area 96 reduces, cold water is entered by water supplement port 95 in water tank, but cold water can only add to the rightmost side In isolated area 96, the isolated area 96 of the leftmost side is not interfered with.So it is directly mixed to avoid hot and cold water in the prior art After conjunction, the case where leaving water temperature reduces suddenly at feed water inlet 97, makes leaving water temperature more stablize.And it is flowed via ball-cock assembly 93 Dynamic process itself also realizes that hot and cold water mixes, and water fills into each isolated area 96 successively from right to left, repeatedly passes through during this period Ball-cock assembly 93, this process are also uniformly mixed hot and cold water.
Another situation is, when the coolant-temperature gage of an isolated area 96 is inadequate, the temperature in the area is examined by temperature inductor 18 It measures, corresponding solenoid valve 100 can be opened at this time, and the water in the isolated area 96 enters heat pump main frame again by return duct 110 Hot water can be added to the area by heating, adjacent isolated area 96.Can ensure that user uses in this way is to meet demand always Hot water, the water after reheating can reenter water tank 9 from hot water inlet 94, then fill into each isolated area 96 successively to the left It is interior.The position of usual hot water inlet 94 is identical as the position height of corresponding ball-cock assembly 93, and the usual position in 95 position of water supplement port In 96 bottom of isolated area, this ensures that the water of supplement is the water just heated by double-tube heat exchanger 2, further ensures hot water Temperature.After having used hot water, the water level in each isolated area 96 rises to the position where ball-cock assembly 93, the hot water after heating Each isolated area 96 can be filled by through-hole 111.At this point, due to user and hot water is not used, so even if there is water temperature Relatively low situation can also be heated by above-mentioned mode of heating.
In order to improve the independence of isolated area 96, the heat exchange between isolated area 96 is set to be preferably minimized, the partition board 92 wraps The stainless steel layer of the plate of three layers of parallel arrangement is included, the fiberglass of wave plate is provided between the adjacent stainless steel layer Layer is filled with foam block and inert gas between the stainless steel layer and frp layer.The inert gas include xenon, krypton, Argon etc..Can also be on this basis to form by the raw material of following quality proportioning by the optimization of material of frp layer:Propylene oxide 40 parts of acid esters, 28 parts of glass fibre, 5 parts of marble powder, 1.5 parts of polyethylene glycol, 2 parts of polyvinyl alcohol, 1.5 parts of aluminium hydroxide, 1.5 parts of stearic acid caesium, 1 part of polymethyl methacrylate, 1 part of phthalic anhydride, 0.5 part of graphite powder.
Glass-reinforced plastic material of the present invention is prepared by following steps:
(1)40 parts of epoxy acrylate is put into reaction kettle and is heated to molten condition while stirring.
(2)5 parts of marble powder is put into ball mill and is ground, glass fibre is added in 10-15 minutes backward ball mills Both 28 parts co-grounds, are ground to 400-600 mesh.
(3)Marble powder and glass fibre after grinding are added in reaction kettle to be stirred with epoxy acrylate, It is stirred 15-20 minutes under 300-400 revs/min of speed.
(4)Clout is added in reaction kettle, is stirred 15-25 minutes under 450-550 revs/min of speed, cast, solidification are It can.
The tensile strength of common perspex steel is 260 MPa -290MPa, and softening temperature is 800 DEG C -850 DEG C, close Degree is 1.5-2.0g/cm3, thermal coefficient 0.21-0.26W/(m*k).Such as existing preferred glass-reinforced plastic material a is in items Can on substantially exceed common perspex steel, glass-reinforced plastic material a by quality proportioning raw material composition it is as follows:Epoxy acrylic 30 parts of ester, 30 parts of glass fibre, 3.5 parts of furane resins bonding agent, 2 parts of polytetrafluoroethylene (PTFE), 0.1 part of graphite powder, 1 part of curing agent, 2 parts of titania powder.
It is the indices testing result data comparison of glass-reinforced plastic material and glass-reinforced plastic material a of the present invention below Table passes through experimental verification:
According to upper table as can be seen that glass-reinforced plastic material of the present invention, property indices are risen.This hair Bright glass-reinforced plastic material thermal coefficient is either compared with common perspex steel, or compared with glass-reinforced plastic material a, Decline, be even more less than metal material from far away, so using partition board 2 made of glass-reinforced plastic material of the present invention, heat-insulating property obtains It is promoted to good.In addition the intensity and specific strength of glass-reinforced plastic material of the present invention have higher data target, that is to say, that every Weight under the premise of intensity is protected of plate 2 substantially reduces, and is easily installed, repairs and dismantles.

Claims (5)

1. a kind of directly-heated type Teat pump boiler unit, including compressor(1), the compressor(1)Outlet and double-tube heat exchanger (2)Outer tube(4)Connection, described sleeve pipe heat exchanger(2)Outer tube(4)End and electric expansion valve(5)Connection, the electronics are swollen Swollen valve(5)With evaporator(6)Connection, the evaporator(6)With gas-liquid separator(7)Connection, the gas-liquid separator(7)With pressure Contracting machine(1)Import connection;
It is characterized in that:
The outer tube(4)Including the Corrosion Protection of Fiber Reinforced Plastics layer set gradually from the inside to the outside(11), stainless steel tube layer(12), foam thermal insulation Layer(13);Described sleeve pipe heat exchanger(2)Outer tube(4)Uniformly it is divided into multistage, the compressor along the flow direction of heat transferring medium(1) Outlet pass through flow divider(10)Respectively with outer tube(4)Each section connection, the outer tube(4)It is respectively provided between adjacent two sections Check valve(8);Described sleeve pipe heat exchanger(2)Inner tube(3)Respectively with tap water pipe network and water tank(9)Connection;
The water tank(9)Including babinet(91), the babinet(91)The interior multiple vertical partition boards of setting(92)By box house It is divided into multiple isolated areas(96), each partition board(92)On be respectively provided with a ball-cock assembly(93), the ball-cock assembly(93)It is located at Partition board(92)On position along babinet(91)The direction of one lateral opposite side increases successively;The ball-cock assembly(93)Position highest An isolated area(96)Hot water inlet is set(94)And water supplement port(95), water supplement port(95)It is connect with tap water pipe network;Floating ball Valve(93)A minimum isolated area of position(96)Feed water inlet is arranged in bottom(97);
Each partition board(92)Top is respectively provided with and two neighboring isolated area(96)The through-hole of connection(111), the through-hole (111)It is highly equal, each described isolated area(96)Inside it is respectively provided with refluxing opening(98)And temperature inductor(18), the reflux Mouthful(98)Positioned at isolated area(96)Bottom, each refluxing opening(98)Respectively by carrying solenoid valve(100)Pipeline and reflux Pipe(110)Connection;The return duct(110)Take back inner tube(3)Water inlet end, hot water inlet(94)With inner tube(3)Water outlet Connection.
2. directly-heated type Teat pump boiler unit according to claim 1, it is characterised in that:The outer tube(4)It is divided into three sections.
3. directly-heated type Teat pump boiler unit according to claim 1, it is characterised in that:The outer tube(4)In heat exchange Medium flows to and inner tube(3)In flow to opposite.
4. directly-heated type Teat pump boiler unit according to claim 1, it is characterised in that:Said inner tube(3)It is closed using aluminium Golden material, the aluminum alloy materials are by the element percentage number of quality proportioning:Silicon Si:18%-23%;Copper Cu:3-4%;Magnesium Mg: 1.5-2%;Chromium Cr:0.05-0.15%;Scandium Sc:0.3-0.5%;Titanium Ti:0.15-0.25%;Strontium Sr:0.1-0.2%;Niobium Nb:0.05- 0.1%, barium Ba:0.2-0.3%, remaining as aluminium Al.
5. directly-heated type Teat pump boiler unit according to claim 1, it is characterised in that:It further include shell(15), described Compressor(1), double-tube heat exchanger(2), electric expansion valve(5), evaporator(6), gas-liquid separator(7)It is respectively positioned on shell(15) It is interior;The evaporator(6)It is u-shaped, and along shell(15)Left and right side and back side distribution, the shell(15)Left and right side and The back side is surrounded by metal mesh, shell(15)Front setting door-plate, shell(15)Wind turbine is arranged in top surface(16), the wind turbine(16)'s Inlet end and exhaust end are located at shell(15)The interior outside of top surface.
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