CN205066242U - Cauldron formula flooded evaporator - Google Patents

Cauldron formula flooded evaporator Download PDF

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Publication number
CN205066242U
CN205066242U CN201520733922.3U CN201520733922U CN205066242U CN 205066242 U CN205066242 U CN 205066242U CN 201520733922 U CN201520733922 U CN 201520733922U CN 205066242 U CN205066242 U CN 205066242U
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tube
housing
support plate
slip
concave
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CN201520733922.3U
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李�杰
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Tianjin Fasike Refrigeration Equipment Co Ltd
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Tianjin Fasike Refrigeration Equipment Co Ltd
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Abstract

The utility model relates to a cauldron formula flooded evaporator, the evaporimeter includes reservoir, U type pipe tube bank assembly and pipe case assembly, well lower part in the reservoir sets up U type pipe tube bank assembly along the horizontal direction, and this U type pipe tube bank assembly includes entrance point and exit end, and the entrance point of this U type pipe tube bank assembly is linked together to set up with pipe case assembly with the exit end and is in the same place. This evaporimeter has improved heat exchange efficiency, and this evaporimeter simple structure, design science have reduced the installation purchasing cost of equipment, have reduced manufacturing cost, in addition, the height of its a plurality of U types pipe is reduced to outside both sides by the centre gradually, and the central line setting of middle highly the highest U type pipe is in the horizontal central line department of casing, and this kind of structure has further improved the heat exchange efficiency of this evaporimeter, has reduced the emergence of liquid hammer phenomenon.

Description

A kind of autoclave flooded evaporator
Technical field
The utility model belongs to technical field of refrigeration equipment, especially a kind of autoclave flooded evaporator.
Background technology
Current refrigeration field evaporimeter kind is divided into flooded evaporator, dry evaporator and downward film evaporator three kinds substantially.Because dry evaporator surface coefficient of heat transfer is lower than flooded evaporator, so dry evaporator is used for air conditioner refrigerating industry; Downward film evaporator complex structure, service condition require high, with high costs, so freezing industry is existing without using.Therefore existing freezing industry many employings flooded evaporator, but full-liquid type closed shell and tube evaporator operationally will keep certain liquid level, the heat-transfer effect that the too low meeting of liquid level makes to produce too much superheated vapor in evaporimeter and reduces evaporimeter; The too high damp steam that easily makes of liquid level enters refrigeration compressor and causes liquid hammer, therefore needs a kind of new evaporimeter badly.
By retrieval, find patent publication us as relevant to present patent application in next chapter:
Flooded evaporator and full-liquid type air-conditioner set (CN104019585A), disclose a kind of flooded evaporator and full-liquid type air-conditioner set, be positioned in the housing of flooded evaporator above heat-exchanging tube bundle and be provided with regenerator and gas-liquid separator, regenerator is provided with high pressure liquid refrigerant entrance and high pressure liquid refrigerant outlet, is provided with regenerator heat exchange tube device in regenerator; Gas-liquid separator is arranged at the downstream of regenerator, and the bottom of gas-liquid separator is provided with oil return opening, and the top of gas-liquid separator is provided with gas outlet; Full-liquid type air-conditioner set of the present invention comprises and is in turn connected to form the compressor of closed circuit, condenser, heating power expansion valve and flooded evaporator of the present invention by Trunk Line.Flooded evaporator of the present invention makes the degree of supercooling of high pressure liquid refrigerant increase simultaneously, and the degree of superheat of low side refrigerant saturated vapor increases, and heat exchange efficiency is high, and achieves effective oil return; Full-liquid type air-conditioner set systematic energy efficiency ratio of the present invention is high, low cost of manufacture, and whole air-conditioning unit structure is simply compact, takes up room little.
By contrast, there are the different of essence in present patent application and above-mentioned one section of patent publication us.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art part, there is provided a kind of design science, easy to use, can not occur to occur in common flooded evaporator because the gas phenomenon that too much causes heat transfer effect to reduce, more there will not be because the generation of the insufficient generation liquid hit phenomenon of gasification, the autoclave flooded evaporator that improves heat exchange efficiency, improve operating efficiency, it to can be applicable in freezing unit in evaporator part.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of autoclave flooded evaporator, described evaporimeter comprises reservoir, U-tube tube bank assembly and bobbin carriage assembly, middle and lower part in described reservoir arranges U-tube tube bank assembly in the horizontal direction, this U-tube tube bank assembly comprises entrance point and the port of export, and entrance point and the port of export of this U-tube tube bank assembly are connected with bobbin carriage assembly and are set together;
Described reservoir comprises housing, saddle support, inlet, fluid level controller connector, relief valve connection, pressure gauge connection, gas phase mouth, oval upper cover, gas returning port, sewage draining exit and liquid phase mouth, one end of described housing is connected and is coaxially shaped with an oval side seal head, the other end of this housing co-axial seal that is connected is provided with a taper socket, the osculum end of this taper socket is coaxially connected installation one flange connecting pipe identical with this osculum end diameter, and the outer end co-axial seal of this flange connecting pipe is set with a concave surface slip-on welding flange;
Horizontal top outside described housing is interval with relief valve connection, pressure gauge connection, gas phase mouth and oval upper cover successively with being connected in housing, and this oval upper cover is provided with gas returning port with being connected in housing;
Transverse bottom outside described housing is interval with sewage draining exit and liquid phase mouth successively with being connected in housing;
The housing at the transversal centerline place of described housing is outer is provided with inlet with the sealing that is connected in housing, and the housing at 22/25 ~ 23/25 place of the transversal centerline place height of this housing is outer is provided with fluid level controller connector with the sealing that is connected in housing;
Described U-tube tube bank assembly comprises tube sheet, multiple U-tube, support plate and distance sink tube, described multiple U-tube radially before, rear interval specular is arranged, each U-tube is vertically arranged, the plurality of U-tube includes entrance point, the port of export and U-shaped end, entrance point and the port of export of each U-tube are presented, under be arranged in parallel, described entrance point and the equal co-axial seal of the port of export are sleeved on tube sheet, in multiple U-tube between this tube sheet and U-shaped end, co-axial seal is set with support plate, between this support plate and tube sheet, multiple distance sink tube is installed in the horizontal direction, one end of this distance sink tube is arranged on tube sheet, the other end of this distance sink tube passes support plate and extends to the opposite side of support plate and be installed together with support plate,
Described U-shaped end is arranged in the housing of oval side seal head side, and described tube sheet is closely arranged on the flange connecting pipe outside concave surface slip-on welding flange;
Described bobbin carriage assembly comprises bobbin carriage concave surface slip-on welding flange, shell ring, channel flange, tube side import, tube side exports, channel cover and horizontal pass partition, described shell ring is both ends open, the cylindrical shape of hollow, middle part in this shell ring arranges a horizontal pass partition in the horizontal direction, shell ring is divided into upper tube side snout cavity and lower tube side outlet plenum by this horizontal pass partition, coaxial package bobbin carriage concave surface slip-on welding flange outside one end of described shell ring, this bobbin carriage concave surface slip-on welding flange is connected with concave surface slip-on welding flange and is installed together, between this bobbin carriage concave surface slip-on welding flange and concave surface slip-on welding flange, closely tube sheet is set, the entrance point of described U-tube is connected to seal with upper tube side snout cavity and installs, the port of export of described U-tube is connected to seal with lower tube side outlet plenum and installs, the detachable movable coaxial mounting pipe case lid of other end sealing of described shell ring, this channel cover to be connected with shell ring by the channel flange of coaxial package outside shell ring and to be installed together, the opposite side interval of this channel cover arranges tube side import and tube side outlet, this tube side import is connected with upper tube side snout cavity and arranges, the outlet of this tube side is connected with lower tube side outlet plenum and arranges.
And the quantity of described gas phase mouth is multiple, or the quantity of described liquid phase mouth is multiple.
And the quantity of described gas phase mouth is 2, or the quantity of described liquid phase mouth is 2.
And the horizontal middle and lower part outside described housing is provided with saddle support.
And, described inlet is provided with screen pack.
And the other end of described distance sink tube is passed support plate and extends to the opposite side of support plate and be installed together by nut and support plate.
And the height of described multiple U-tube is reduced on both sides laterally gradually by centre, the center line of the U-tube that intermediate altitude is the highest is arranged on the transversal centerline place of housing.
Advantage of the present utility model and good effect are:
1, the housing at the transversal centerline place of the housing of this evaporimeter is outer is provided with inlet with the sealing that is connected in housing, the housing at 22/25 ~ 23/25 place of the transversal centerline place height of this housing is outer is provided with fluid level controller connector with the sealing that is connected in housing, middle and lower part in reservoir arranges U-tube tube bank assembly in the horizontal direction, as the part making cold-producing medium fully evaporate in housing above U-tube tube bank assembly, this fluid level controller connector can connecting fluid level controller, the liquid level of the liquid phase refrigerant in this housing is made to obtain controlling more accurately, this kind of structure can play the effect of gas-liquid separator in refrigeration system, while cold-producing medium fully evaporates, the phenomenon too much causing heat transfer effect to reduce because of gas occurred in common flooded evaporator can not be there is, more there will not be because the generation of the insufficient generation liquid hit phenomenon of gasification, improve heat exchange efficiency, this evaporation structure is simple, design science, decrease the installation purchase cost of equipment, reduce production cost, in addition, the height of its multiple U-tube is reduced on both sides laterally gradually by centre, the center line of the U-tube that intermediate altitude is the highest is arranged on the transversal centerline place of housing, and this kind of structure further improves the heat exchange efficiency of this evaporimeter, reduces the generation of liquid hit phenomenon.
2, this autoclave flooded evaporator is provided with reservoir, U-tube tube bank assembly and bobbin carriage assembly, refrigerating medium enters in multiple U-tube by entrance point, refrigerating medium is filled in U-tube tube bank assembly, then flow out through the port of export, liquid refrigerant enters in housing by inlet, gas is become after the evaporation of partially liq cold-producing medium, discharged by gas phase mouth and then use, remaining gas refrigerant is reclaimed by gas returning port, unevaporated liquid refrigerant is flowed out by liquid phase mouth and reclaims or recycling again, the pollutants such as the particle in housing can be discharged by sewage draining exit, the setting of relief valve connection and pressure gauge connection, can connection safety valve and Pressure gauge, improve the security of this evaporimeter, ensure the personal safety of user.
Accompanying drawing explanation
Fig. 1 is that anatomical connectivity master of the present utility model looks partial sectional view;
Fig. 2 is that amplification partial sectional view is looked on the right side of Fig. 1;
Fig. 3 is that the anatomical connectivity master of reservoir in Fig. 1 looks partial sectional view;
Fig. 4 is that broken section enlarged drawing is looked on the right side of Fig. 3;
Fig. 5 is that the anatomical connectivity of U-tube tube bank assembly in Fig. 1 partly cuts open schematic diagram;
Fig. 6 is that enlarged drawing is looked on the right side of Fig. 5;
Fig. 7 is that enlarged drawing is looked on a left side of Fig. 5;
Fig. 8 is that the anatomical connectivity of bobbin carriage assembly in Fig. 1 partly cuts open schematic diagram;
Fig. 9 is the right view of Fig. 8;
Figure 10 is that the K-K of Fig. 8 is to cross-sectional view.
Detailed description of the invention:
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
The structure do not described in detail in the present invention, annexation and method, all can be understood as the common practise in this area.
A kind of autoclave flooded evaporator, as depicted in figs. 1 and 2, described evaporimeter comprises reservoir 1, U-tube tube bank assembly 2 and bobbin carriage assembly 3, middle and lower part in described reservoir arranges U-tube tube bank assembly in the horizontal direction, this U-tube tube bank assembly comprises entrance point 25 and the port of export 26, and entrance point and the port of export of this U-tube tube bank assembly are connected with bobbin carriage assembly and are set together;
As shown in Figure 3 and Figure 4, described reservoir comprises housing 5, saddle support 16, inlet 7, fluid level controller connector 12, relief valve connection 6, pressure gauge connection 8, gas phase mouth 9, oval upper cover 10, gas returning port 11, sewage draining exit 18 and liquid phase mouth 17, one end of described housing is connected and is coaxially shaped with an oval side seal head 4, the other end of this housing co-axial seal that is connected is provided with a taper socket 13, the osculum end of this taper socket is coaxially connected installation one flange connecting pipe 14 identical with this osculum end diameter, the outer end co-axial seal of this flange connecting pipe is set with a concave surface slip-on welding flange 15,
Horizontal top outside described housing is interval with relief valve connection, pressure gauge connection, gas phase mouth and oval upper cover successively with being connected in housing, this oval upper cover is provided with gas returning port with being connected in housing, the quantity of described gas phase mouth can be multiple, in the present embodiment, the quantity of described gas phase mouth is 2;
Transverse bottom outside described housing is interval with sewage draining exit and liquid phase mouth successively with being connected in housing, and the quantity of described liquid phase mouth can be multiple, and in the present embodiment, the quantity of described liquid phase mouth is 2;
Horizontal middle and lower part outside described housing is provided with saddle support, is used for supporting this reservoir;
The housing at the transversal centerline place of described housing is outer is provided with inlet with the sealing that is connected in housing, the housing at 22/25 ~ 23/25 place of the transversal centerline place height of this housing is outer is provided with fluid level controller connector with the sealing that is connected in housing, in the present embodiment, described inlet is provided with screen pack (not shown), be used for filtering the liquid refrigerant flowed in housing, decrease the accumulation of housing internal contamination thing, extend the service life of this evaporimeter.
As Fig. 5, shown in Fig. 6 and Fig. 7, described U-tube tube bank assembly comprises tube sheet 24, multiple U-tube 20, support plate 22, distance sink tube 23 and nut 21, described multiple U-tube radially before, rear interval specular is arranged, each U-tube is vertically arranged, the plurality of U-tube includes entrance point, the port of export and U-shaped end 19, entrance point and the port of export of each U-tube are presented, under be arranged in parallel, described entrance point and the equal co-axial seal of the port of export are sleeved on tube sheet, in multiple U-tube between this tube sheet and U-shaped end, co-axial seal is set with support plate, between this support plate and tube sheet, multiple distance sink tube is installed in the horizontal direction, one end of this distance sink tube is arranged on tube sheet, the other end of this distance sink tube passes support plate and extends to the opposite side of support plate and be installed together with support plate, in the present embodiment, the other end of described distance sink tube is passed support plate and extends to the opposite side of support plate and be installed together by nut and support plate,
Described U-shaped end is arranged in the housing of oval side seal head side, and described tube sheet is closely arranged on the flange connecting pipe outside concave surface slip-on welding flange;
In the present embodiment, the height of described multiple U-tube is reduced on both sides laterally gradually by centre, and the center line of the U-tube that intermediate altitude is the highest is arranged on the transversal centerline place of housing.
As Fig. 8, shown in Fig. 9 and Figure 10, described bobbin carriage assembly comprises bobbin carriage concave surface slip-on welding flange 31, shell ring 35, channel flange 30, tube side import 28, tube side outlet 29, channel cover 27 and horizontal pass partition 33, described shell ring is both ends open, the cylindrical shape of hollow, middle part in this shell ring arranges a horizontal pass partition in the horizontal direction, shell ring is divided into upper tube side snout cavity 34 and lower tube side outlet plenum 32 by this horizontal pass partition, coaxial package bobbin carriage concave surface slip-on welding flange outside one end of described shell ring, this bobbin carriage concave surface slip-on welding flange is connected with concave surface slip-on welding flange and is installed together, between this bobbin carriage concave surface slip-on welding flange and concave surface slip-on welding flange, closely tube sheet is set, the entrance point of described U-tube is connected to seal with upper tube side snout cavity and installs, the port of export of described U-tube is connected to seal with lower tube side outlet plenum and installs, the detachable movable coaxial mounting pipe case lid of other end sealing of described shell ring, this channel cover to be connected with shell ring by the channel flange of coaxial package outside shell ring and to be installed together, the opposite side interval of this channel cover arranges tube side import and tube side outlet, this tube side import is connected with upper tube side snout cavity and arranges, the outlet of this tube side is connected with lower tube side outlet plenum and arranges.
This autoclave flooded evaporator is provided with reservoir, U-tube tube bank assembly and bobbin carriage assembly, refrigerating medium enters in multiple U-tube by entrance point, refrigerating medium is filled in U-tube tube bank assembly, then flow out through the port of export, liquid refrigerant enters in housing by inlet, gas is become after the evaporation of partially liq cold-producing medium, discharged by gas phase mouth and then use, remaining gas refrigerant is reclaimed by gas returning port, unevaporated liquid refrigerant is flowed out by liquid phase mouth and reclaims or recycling again, the pollutants such as the particle in housing can be discharged by sewage draining exit, the setting of relief valve connection and pressure gauge connection, can connection safety valve and Pressure gauge, improve the security of this evaporimeter, ensure the personal safety of user,
Simultaneously, the housing at the transversal centerline place of the housing of this evaporimeter is outer is provided with inlet with the sealing that is connected in housing, the housing at 22/25 ~ 23/25 place of the transversal centerline place height of this housing is outer is provided with fluid level controller connector with the sealing that is connected in housing, middle and lower part in reservoir arranges U-tube tube bank assembly in the horizontal direction, as the part making cold-producing medium fully evaporate in housing above U-tube tube bank assembly, this fluid level controller connector can connecting fluid level controller, the liquid level of the liquid phase refrigerant in this housing is made to obtain controlling more accurately, this kind of structure can play the effect of gas-liquid separator in refrigeration system, while cold-producing medium fully evaporates, the phenomenon too much causing heat transfer effect to reduce because of gas occurred in common flooded evaporator can not be there is, more there will not be because the generation of the insufficient generation liquid hit phenomenon of gasification, improve heat exchange efficiency, this evaporation structure is simple, design science, decrease the installation purchase cost of equipment, reduce production cost, in addition, the height of its multiple U-tube is reduced on both sides laterally gradually by centre, the center line of the U-tube that intermediate altitude is the highest is arranged on the transversal centerline place of housing, and this kind of structure further improves the heat exchange efficiency of this evaporimeter, reduces the generation of liquid hit phenomenon.

Claims (7)

1. an autoclave flooded evaporator, it is characterized in that: described evaporimeter comprises reservoir, U-tube tube bank assembly and bobbin carriage assembly, middle and lower part in described reservoir arranges U-tube tube bank assembly in the horizontal direction, this U-tube tube bank assembly comprises entrance point and the port of export, and entrance point and the port of export of this U-tube tube bank assembly are connected with bobbin carriage assembly and are set together;
Described reservoir comprises housing, saddle support, inlet, fluid level controller connector, relief valve connection, pressure gauge connection, gas phase mouth, oval upper cover, gas returning port, sewage draining exit and liquid phase mouth, one end of described housing is connected and is coaxially shaped with an oval side seal head, the other end of this housing co-axial seal that is connected is provided with a taper socket, the osculum end of this taper socket is coaxially connected installation one flange connecting pipe identical with this osculum end diameter, and the outer end co-axial seal of this flange connecting pipe is set with a concave surface slip-on welding flange;
Horizontal top outside described housing is interval with relief valve connection, pressure gauge connection, gas phase mouth and oval upper cover successively with being connected in housing, and this oval upper cover is provided with gas returning port with being connected in housing;
Transverse bottom outside described housing is interval with sewage draining exit and liquid phase mouth successively with being connected in housing;
The housing at the transversal centerline place of described housing is outer is provided with inlet with the sealing that is connected in housing, and the housing at 22/25 ~ 23/25 place of the transversal centerline place height of this housing is outer is provided with fluid level controller connector with the sealing that is connected in housing;
Described U-tube tube bank assembly comprises tube sheet, multiple U-tube, support plate and distance sink tube, described multiple U-tube radially before, rear interval specular is arranged, each U-tube is vertically arranged, the plurality of U-tube includes entrance point, the port of export and U-shaped end, entrance point and the port of export of each U-tube are presented, under be arranged in parallel, described entrance point and the equal co-axial seal of the port of export are sleeved on tube sheet, in multiple U-tube between this tube sheet and U-shaped end, co-axial seal is set with support plate, between this support plate and tube sheet, multiple distance sink tube is installed in the horizontal direction, one end of this distance sink tube is arranged on tube sheet, the other end of this distance sink tube passes support plate and extends to the opposite side of support plate and be installed together with support plate,
Described U-shaped end is arranged in the housing of oval side seal head side, and described tube sheet is closely arranged on the flange connecting pipe outside concave surface slip-on welding flange;
Described bobbin carriage assembly comprises bobbin carriage concave surface slip-on welding flange, shell ring, channel flange, tube side import, tube side exports, channel cover and horizontal pass partition, described shell ring is both ends open, the cylindrical shape of hollow, middle part in this shell ring arranges a horizontal pass partition in the horizontal direction, shell ring is divided into upper tube side snout cavity and lower tube side outlet plenum by this horizontal pass partition, coaxial package bobbin carriage concave surface slip-on welding flange outside one end of described shell ring, this bobbin carriage concave surface slip-on welding flange is connected with concave surface slip-on welding flange and is installed together, between this bobbin carriage concave surface slip-on welding flange and concave surface slip-on welding flange, closely tube sheet is set, the entrance point of described U-tube is connected to seal with upper tube side snout cavity and installs, the port of export of described U-tube is connected to seal with lower tube side outlet plenum and installs, the detachable movable coaxial mounting pipe case lid of other end sealing of described shell ring, this channel cover to be connected with shell ring by the channel flange of coaxial package outside shell ring and to be installed together, the opposite side interval of this channel cover arranges tube side import and tube side outlet, this tube side import is connected with upper tube side snout cavity and arranges, the outlet of this tube side is connected with lower tube side outlet plenum and arranges.
2. autoclave flooded evaporator according to claim 1, is characterized in that: the quantity of described gas phase mouth is multiple, or the quantity of described liquid phase mouth is multiple.
3. autoclave flooded evaporator according to claim 2, is characterized in that: the quantity of described gas phase mouth is 2, or the quantity of described liquid phase mouth is 2.
4. autoclave flooded evaporator according to claim 1, is characterized in that: the horizontal middle and lower part outside described housing is provided with saddle support.
5. autoclave flooded evaporator according to claim 1, is characterized in that: described inlet is provided with screen pack.
6. autoclave flooded evaporator according to claim 1, is characterized in that: the other end of described distance sink tube is passed support plate and extends to the opposite side of support plate and be installed together by nut and support plate.
7. the autoclave flooded evaporator according to any one of claim 1 to 6, is characterized in that: the height of described multiple U-tube is reduced on both sides laterally gradually by centre, and the center line of the U-tube that intermediate altitude is the highest is arranged on the transversal centerline place of housing.
CN201520733922.3U 2015-09-21 2015-09-21 Cauldron formula flooded evaporator Active CN205066242U (en)

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Application Number Priority Date Filing Date Title
CN201520733922.3U CN205066242U (en) 2015-09-21 2015-09-21 Cauldron formula flooded evaporator

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106247694A (en) * 2016-08-30 2016-12-21 哈尔滨汽轮机厂辅机工程有限公司 A kind of photo-thermal power generation autoclave vaporizer
CN108398046A (en) * 2018-03-14 2018-08-14 哈尔滨汽轮机厂辅机工程有限公司 A kind of photo-thermal autoclave evaporator tube bank fixed structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106247694A (en) * 2016-08-30 2016-12-21 哈尔滨汽轮机厂辅机工程有限公司 A kind of photo-thermal power generation autoclave vaporizer
CN108398046A (en) * 2018-03-14 2018-08-14 哈尔滨汽轮机厂辅机工程有限公司 A kind of photo-thermal autoclave evaporator tube bank fixed structure

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