CN217520324U - Water bath type vaporizer - Google Patents

Water bath type vaporizer Download PDF

Info

Publication number
CN217520324U
CN217520324U CN202220228436.6U CN202220228436U CN217520324U CN 217520324 U CN217520324 U CN 217520324U CN 202220228436 U CN202220228436 U CN 202220228436U CN 217520324 U CN217520324 U CN 217520324U
Authority
CN
China
Prior art keywords
heat exchange
water
low
steam
temperature liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220228436.6U
Other languages
Chinese (zh)
Inventor
王艳丽
于永亮
张宗海
吴艳红
岳春林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Xinda Iron and Steel Group Co Ltd
Original Assignee
Hebei Xinda Iron and Steel Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Xinda Iron and Steel Group Co Ltd filed Critical Hebei Xinda Iron and Steel Group Co Ltd
Priority to CN202220228436.6U priority Critical patent/CN217520324U/en
Application granted granted Critical
Publication of CN217520324U publication Critical patent/CN217520324U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The utility model relates to a water bath type vaporizer. The low-temperature liquid gas heat exchange device comprises a cylinder, wherein a partition plate is arranged in the middle of the cylinder, the inner cavity of the cylinder is divided into a steam-water heat exchange cavity and a low-temperature liquid gas heat exchange cavity, the steam-water heat exchange cavity is positioned above the partition plate, and the low-temperature liquid gas heat exchange cavity is positioned below the partition plate; the low-temperature liquid gas heat exchange unit is arranged in the low-temperature liquid gas heat exchange cavity; the steam-water heat exchange unit is arranged in the steam-water heat exchange cavity; the first end of the hot water return pipe is communicated with the steam-water heat exchange cavity, and the second end of the hot water return pipe is communicated with the low-temperature liquid gas heat exchange cavity; and a first connecting end of the circulating water pipe is communicated with the low-temperature liquid gas heat exchange cavity, a second connecting end of the circulating water pipe is communicated with the steam-water heat exchange cavity, and a circulating water pump is arranged on the circulating water pipe. The vaporizer reduces the risk of cracking of the welded junction of the coil assembly, reduces the maintenance cost of equipment, and improves the running safety index of the equipment.

Description

Water bath type vaporizer
Technical Field
The utility model relates to a vaporizer technical field especially relates to a water bath formula vaporizer.
Background
In short, the water bath vaporizer is a device for vaporizing a low-temperature liquid gas into a gaseous gas by heat exchange between hot water and the low-temperature liquid gas. The medium suitable for the method is liquid oxygen, liquid nitrogen, liquid argon, liquid carbon dioxide, liquefied petroleum gas, liquefied natural gas and the like.
And the water bath formula vaporizer among the prior art can cause the impact to inside coil pipe when steam and water heat transfer, causes inside coil pipe crater fracture, increases the plant maintenance cost, threatens the operation of equipment safety and stability.
Such as: application No. 201920131302.0, and grant publication No.: CN209926014U, a utility model patent named as hot water circulation type water bath vaporizer, discloses the following technical solutions:
a hot water circulating type water bath vaporizer comprises a cylinder body, wherein a steam inlet pipe is arranged at the left end of the bottom side of the side face of the cylinder body, an annular steam spray pipe is connected to the bottom end of the steam inlet pipe, an annular steam spray pipe support is arranged at the bottom side of the annular steam spray pipe, a liquid oxygen inlet pipe is arranged on the side face of the cylinder body and located on the rear side of the steam inlet pipe, an energy exchange pipe is connected to the right end of the liquid oxygen inlet pipe, the side face of the energy exchange pipe is fixed through a central support, the energy exchange pipe and the liquid oxygen inlet pipe are fixed through a fixing support, an oxygen outlet branch pipe is connected to the top end of the energy exchange pipe, one end, close to each other, of the oxygen outlet branch pipes is connected with an oxygen outlet main pipe, the right end of the bottom side face of the cylinder body is connected with a water inlet of a circulating water pump through a circulating water outlet, and the left side of the circulating water pump is connected with the side face of the cylinder body through a mounting seat, the utility model discloses a solar energy water heater, including circulating water pump, energy exchange pipe, barrel, hanging post, circulating water pump's delivery port has circulating hot water distribution pipe through circulating pipe connection, and circulating hot water distribution pipe is located the top of energy exchange pipe, the side distribution of barrel has three observation hole, both ends all are equipped with the hanging post about the side of barrel, the side left side top of barrel is equipped with the warning pipe.
Therefore, the hot water circulating type water bath vaporizer has the advantages that the steam-water heat exchange cavity is communicated with the low-temperature liquid gas heat exchange cavity, so that the steam and water can exchange heat and simultaneously cause large impact on the internal coil pipe.
Based on this, the utility model provides a novel water bath formula vaporizer to overcome the defect among the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water bath vaporizer, this water bath vaporizer directly to the impact of coil pipe subassembly among the low temperature liquid gas heat transfer unit when having avoided in the soda heat transfer chamber soda heat transfer, has reduced the risk that coil pipe subassembly welded junction ftractures, has reduced enterprise's equipment maintenance cost, has improved the safety index of equipment operation.
In order to achieve the above object, the present invention provides a water bath type vaporizer, comprising:
the heat exchanger comprises a barrel, a partition plate is arranged in the middle of the barrel, the inner cavity of the barrel is divided into a steam-water heat exchange cavity and a low-temperature liquid gas heat exchange cavity, the steam-water heat exchange cavity is positioned above the partition plate, and the low-temperature liquid gas heat exchange cavity is positioned below the partition plate;
the low-temperature liquid gas heat exchange unit is arranged in the low-temperature liquid gas heat exchange cavity;
the steam-water heat exchange unit is arranged in the steam-water heat exchange cavity;
a first end of the hot water return pipe is communicated with the steam-water heat exchange cavity, and a second end of the hot water return pipe is communicated with the low-temperature liquid gas heat exchange cavity;
and the first connecting end of the circulating water pipe is communicated with the low-temperature liquid gas heat exchange cavity, the second connecting end of the circulating water pipe is communicated with the steam-water heat exchange cavity, and a circulating water pump is arranged on the circulating water pipe.
Furthermore, a liquid level meter is arranged on the outer wall of the barrel corresponding to the low-temperature liquid gas heat exchange unit and used for measuring the liquid level.
Furthermore, the first end of the hot water return pipe is communicated with the bottom of the steam-water heat exchange cavity, and the second end of the hot water return pipe is communicated with the upper part of the low-temperature liquid gas heat exchange cavity.
Furthermore, the second end of the hot water return pipe extends to the interior of the low-temperature liquid gas heat exchange cavity, and a water distributor is installed at the second end of the hot water return pipe.
Furthermore, the two water distributors are respectively arranged at the left side and the right side of the low-temperature liquid gas heat exchange cavity.
Further, the low-temperature liquid gas heat exchange unit comprises a low-temperature liquid inlet pipe, a coil pipe assembly and a gasification gas outlet pipe which are connected in sequence;
the coil pipe assembly is vertically arranged, the low-temperature liquid inlet pipe is connected with the bottom of the coil pipe assembly, and the gasification air outlet pipe is connected with the top of the coil pipe assembly.
Furthermore, the liquid inlet end of the low-temperature liquid inlet pipe and the gas outlet end of the gasification gas outlet pipe extend and protrude out of the outer wall surface of the barrel.
Furthermore, the steam-water heat exchange unit comprises a steam inlet pipe, a heat exchange core and a steam recovery pipe which are connected in sequence.
Furthermore, the heat exchange core is vertically arranged, the steam inlet pipe is connected with the bottom of the heat exchange core, and the steam recovery pipe is connected with the top of the heat exchange core.
Furthermore, the inlet end of the steam inlet pipe and the outlet end of the steam recovery pipe extend out of the outer wall surface of the cylinder body.
The utility model discloses following beneficial effect has:
the steam-water heat exchange unit is positioned in the steam-water heat exchange cavity above the partition plate and used for heating liquid water entering the steam-water heat exchange cavity and converting the liquid water into hot water; this hot water passes through the hot water back flow and carries to the low temperature liquid gas heat transfer chamber that is located the division board below, transmits the hot water heat through also exchanging the low temperature liquid gas heat transfer unit who is located the low temperature liquid gas heat transfer intracavity, converts the low temperature liquid gas in the low temperature liquid gas heat transfer unit into gaseous gas. Meanwhile, the circulating water pipe conveys hot water which completes heat exchange at the bottom of the low-temperature liquid gas heat exchange cavity to the steam-water heat exchange cavity again through the circulating water pipe, and next heat exchange circulation is carried out.
The utility model provides a this water bath vaporizer sets up the division board at the middle part of barrel, divide into two parts about soda heat transfer chamber and low temperature liquid gas heat transfer chamber with the barrel inner chamber, directly when having avoided among the prior art soda heat transfer chamber soda heat transfer to the impact of coil assembly among the low temperature liquid gas heat transfer unit, has reduced the risk that the coil assembly welded junction ftractures, has reduced enterprise's equipment maintenance cost, has improved the safety index of equipment operation.
Meanwhile, a hot water return pipe and a circulating water pipe are arranged on the cylinder body, so that the circulation of hot water in a steam-water heat exchange cavity and a low-temperature liquid gas heat exchange cavity is realized, and the heat exchange water level is ensured; and the circulation water pump is arranged on the circulation water pipe to accelerate the circulation of hot water.
Drawings
For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a water bath vaporizer according to an embodiment of the present invention;
FIG. 2 is a schematic view of the water distributor of FIG. 1;
in the figure: the device comprises a cylinder 1, a steam-water heat exchange cavity 10 and a low-temperature liquid gas heat exchange cavity 11; a partition plate 2; the low-temperature liquid gas heat exchange unit 3, a low-temperature liquid inlet pipe 30, a coil assembly 31 and a gasification gas outlet pipe 32; the steam-water heat exchange unit 4, a steam inlet pipe 40, a heat exchange core 41 and a steam recovery pipe 42; a hot water return pipe 5, a first end 50, a second end 51; the circulating water pipe 6, the first connecting end 60 and the second connecting end 61; a circulating water pump 7; a liquid level meter 8; a water distributor 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be discussed in detail below with reference to fig. 1 to 2 and specific embodiments:
as shown in fig. 1 to 2, the present invention provides a water bath vaporizer for exchanging heat with low-temperature liquid gas by hot water, thereby vaporizing the low-temperature liquid gas into gaseous gas, comprising:
the heat exchanger comprises a barrel 1, wherein a partition plate 2 is arranged in the middle of the barrel 1, the partition plate 2 divides the inner cavity of the barrel 1 into a steam-water heat exchange cavity 10 and a low-temperature liquid gas heat exchange cavity 11, the steam-water heat exchange cavity 10 is positioned above the partition plate 2, and the low-temperature liquid gas heat exchange cavity 11 is positioned below the partition plate 2;
the low-temperature liquid gas heat exchange unit 3 is arranged in the low-temperature liquid gas heat exchange cavity 11, so that the heat exchange function of the low-temperature liquid gas is realized, and the low-temperature liquid gas is correspondingly converted into gaseous gas, but the low-temperature liquid gas is not specifically limited and can be liquid oxygen, liquid nitrogen, liquid argon, liquid carbon dioxide, liquefied petroleum gas, liquefied natural gas and the like, and the liquid gas is liquid oxygen in the embodiment;
the steam-water heat exchange unit 4 is arranged in the steam-water heat exchange cavity 10, so that the heat exchange function of steam and liquid water is realized, and the temperature of the liquid water is increased;
the first end 50 of the hot water return pipe 5 is communicated with the steam-water heat exchange cavity 10, the second end 51 of the hot water return pipe 5 is communicated with the low-temperature liquid gas heat exchange cavity 3, and hot water subjected to heat exchange by the steam-water heat exchange unit 4 is transmitted into the low-temperature liquid gas heat exchange cavity 3 through the hot water return pipe 5 and is used for heat exchange in the low-temperature liquid gas heat exchange cavity 3;
the first connecting end 60 of the circulating water pipe 6 is communicated with the bottom of the low-temperature liquid gas heat exchange cavity 11, the second connecting end 61 of the circulating water pipe 6 is communicated with the upper portion of the steam-water heat exchange cavity 10, a circulating water pump 7 is arranged on the circulating water pipe 6, and circulation of hot water in the steam-water heat exchange cavity 10 and the low-temperature liquid gas heat exchange cavity 11 is accelerated.
The water bath type vaporizer basically works according to the following principle:
the steam-water heat exchange unit 4 in the steam-water heat exchange cavity 10 above the partition plate 2 heats the liquid water entering the steam-water heat exchange cavity 10 and converts the liquid water into hot water; this hot water is carried to the low temperature liquid gas heat transfer chamber 11 that is located division board 2 below through hot water back flow 5, transmits the hot water heat through also exchanging the low temperature liquid gas heat transfer unit 3 that is located low temperature liquid gas heat transfer chamber 11, converts the low temperature liquid gas in the low temperature liquid gas heat transfer unit 3 into gaseous gas. Meanwhile, the circulating water pipe 6 transfers the hot water which completes heat exchange at the bottom of the low-temperature liquid gas heat exchange cavity 11 to the steam-water heat exchange cavity 10 again through the circulating water pipe 6, and the next heat exchange circulation is carried out.
The utility model provides a this water bath vaporizer sets up division board 2 at the middle part of barrel 1, divide into two parts about soda heat transfer chamber 10 and low temperature liquid gas heat transfer chamber 11 with the barrel inner chamber, directly when having avoided among the prior art soda heat transfer chamber 10 soda heat transfer to the impact of coil assembly among the low temperature liquid gas heat transfer unit 3, has reduced the risk that the coil assembly welded junction ftractures, has reduced enterprise's equipment maintenance cost, has improved the safety index of equipment operation.
Meanwhile, a hot water return pipe 5 and a circulating water pipe 6 are arranged on the cylinder 1, so that hot water in a steam-water heat exchange cavity 10 and a low-temperature liquid gas heat exchange cavity 11 is circulated, and the heat exchange water level is ensured; and the circulation of the hot water is accelerated by providing the circulation water pump 7 on the circulation water pipe 6.
Further, in some embodiments, a liquid level meter 8 is additionally arranged in the water bath type vaporizer and used for measuring the liquid level and realizing the water level of the heat exchange hot water in real time. The specific design scheme is as follows:
and a liquid level meter 8 is arranged on the outer wall of the barrel corresponding to the low-temperature liquid gas heat exchange unit 3 and used for measuring the liquid level. The utility model discloses in, this level gauge 8 can be designed by oneself by the technical personnel in the field, also can directly adopt the finished product of selling on the existing market, the utility model discloses in do not specifically inject, as long as can realize above-mentioned effect can.
Further, in some specific embodiments, a specific installation position of the hot water return pipe 5 is defined to influence a heat exchange effect of the water bath type vaporizer, and the specific technical scheme is as follows:
and a first end 50 of a hot water return pipe 5 is communicated with the bottom of the steam-water heat exchange cavity 10, and a second end 51 of the hot water return pipe 5 is communicated with the upper part of the low-temperature liquid gas heat exchange cavity 11. The hot water passing through the steam-water heat exchange unit 4 is sprayed downwards from the top of the low-temperature liquid gas heat exchange cavity 11, so that the heat exchange effect in the low-temperature liquid gas heat exchange cavity 11 is improved.
Specifically, the second end 51 of the hot water return pipe 5 extends to the inside of the low-temperature liquid gas heat exchange cavity 11, and a water distributor 9 is installed at the second end 51 of the hot water return pipe 5. The main function of the water distributor 9 is to distribute the water evenly and avoid the impact of the concentrated water flow on the lower equipment. In this embodiment, two water distributors 9 are provided, and are respectively provided on the left and right sides of the low-temperature liquid gas heat exchange chamber 11, as shown in fig. 1, so as to improve the heat exchange effect of the low-temperature liquid gas heat exchange chamber 11. The water distributor 9 of the present invention is not limited in its specific structure, and can be a water distributor sold in the existing market, or a water distributor designed as shown in fig. 2, as long as the above-mentioned functions can be achieved.
Further, in some specific embodiments, the low-temperature liquid gas heat exchange unit 3 is designed in detail, and the specific design scheme is as follows: the low-temperature liquid gas heat exchange unit 3 comprises a low-temperature liquid inlet pipe 30, a coil assembly 31 and a gasification gas outlet pipe 32 which are connected in sequence.
The coil assembly 31 is vertically arranged, the low-temperature liquid inlet pipe 30 is connected with the bottom of the coil assembly 31, and the gasification gas outlet pipe 32 is connected with the top of the coil assembly 31; and the gasification outlet pipe 32 is arranged above the low-temperature liquid inlet pipe 30, so that the heat exchange effect of the low-temperature liquid gas heat exchange unit 3 and the hot water in the low-temperature liquid gas heat exchange cavity 11 is improved.
Specifically, the liquid inlet end of the low-temperature liquid inlet pipe 30 and the gas outlet end of the gasification gas outlet pipe 32 extend to protrude out of the outer wall surface of the cylinder 1, so that the low-temperature liquid inlet pipe 30 and the gasification gas outlet pipe 32 can be connected to the outside conveniently.
Further, in some specific embodiments, the steam-water heat exchange unit 4 is designed in detail, and the specific design scheme is as follows: the steam-water heat exchange unit 4 comprises a steam inlet pipe 40, a heat exchange core 41 and a steam recovery pipe 42 which are connected in sequence, and liquid water in the steam-water heat exchange cavity 10 exchanges heat with steam in the heat exchange core 41 in the steam-water heat exchange unit 4 to increase the temperature of the liquid water and convert the liquid water into hot water; meanwhile, the steam after heat exchange is uniformly recovered through the steam recovery pipe 42.
The heat exchange core 41 is vertically arranged, the steam inlet pipe 40 is connected with the bottom of the heat exchange core 41, and the steam recovery pipe 42 is connected with the top of the heat exchange core 41, so that the heat exchange effect of hot water in the steam-water heat exchange unit 4 and the steam-water heat exchange cavity 10 is improved.
Specifically, the inlet end of the steam inlet pipe 40 and the outlet end of the steam recovery pipe 42 extend to protrude out of the outer wall surface of the barrel 1, so that the steam inlet pipe 40 and the steam recovery pipe 42 are externally connected conveniently.
The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims (10)

1. A water bath vaporizer, comprising:
the heat exchanger comprises a barrel, a partition plate is arranged in the middle of the barrel, the inner cavity of the barrel is divided into a steam-water heat exchange cavity and a low-temperature liquid gas heat exchange cavity, the steam-water heat exchange cavity is positioned above the partition plate, and the low-temperature liquid gas heat exchange cavity is positioned below the partition plate;
the low-temperature liquid gas heat exchange unit is arranged in the low-temperature liquid gas heat exchange cavity;
the steam-water heat exchange unit is arranged in the steam-water heat exchange cavity;
the first end of the hot water return pipe is communicated with the steam-water heat exchange cavity, and the second end of the hot water return pipe is communicated with the low-temperature liquid gas heat exchange cavity;
and the first connecting end of the circulating water pipe is communicated with the low-temperature liquid gas heat exchange cavity, the second connecting end of the circulating water pipe is communicated with the steam-water heat exchange cavity, and a circulating water pump is arranged on the circulating water pipe.
2. The water bath vaporizer of claim 1, wherein:
and a liquid level meter is arranged on the outer wall of the barrel corresponding to the low-temperature liquid gas heat exchange unit and used for measuring the liquid level.
3. The water bath vaporizer of claim 1, wherein:
the first end of the hot water return pipe is communicated with the bottom of the steam-water heat exchange cavity, and the second end of the hot water return pipe is communicated with the upper part of the low-temperature liquid gas heat exchange cavity.
4. The water bath vaporizer of claim 3, wherein:
and the second end of the hot water return pipe extends to the interior of the low-temperature liquid gas heat exchange cavity, and a water distributor is arranged at the second end of the hot water return pipe.
5. The water bath vaporizer of claim 4, wherein:
the two water distributors are respectively arranged at the left side and the right side of the low-temperature liquid gas heat exchange cavity.
6. The water bath vaporizer of claim 1, wherein:
the low-temperature liquid gas heat exchange unit comprises a low-temperature liquid inlet pipe, a coil assembly and a gasification gas outlet pipe which are sequentially connected;
the coil pipe assembly is vertically arranged, the low-temperature liquid inlet pipe is connected with the bottom of the coil pipe assembly, and the gasification air outlet pipe is connected with the top of the coil pipe assembly.
7. The water bath vaporizer of claim 6, wherein:
the liquid inlet end of the low-temperature liquid inlet pipe and the gas outlet end of the gasification gas outlet pipe extend and protrude out of the outer wall surface of the barrel.
8. The water bath vaporizer of claim 1, wherein:
the steam-water heat exchange unit comprises a steam inlet pipe, a heat exchange core and a steam recovery pipe which are connected in sequence.
9. The water bath vaporizer of claim 8, wherein:
the heat exchange core is vertically arranged, the steam inlet pipe is connected with the bottom of the heat exchange core, and the steam recovery pipe is connected with the top of the heat exchange core.
10. The water bath vaporizer of claim 8, wherein:
the inlet end of the steam inlet pipe and the outlet end of the steam recovery pipe extend out of the outer wall surface of the cylinder body.
CN202220228436.6U 2022-01-27 2022-01-27 Water bath type vaporizer Active CN217520324U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220228436.6U CN217520324U (en) 2022-01-27 2022-01-27 Water bath type vaporizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220228436.6U CN217520324U (en) 2022-01-27 2022-01-27 Water bath type vaporizer

Publications (1)

Publication Number Publication Date
CN217520324U true CN217520324U (en) 2022-09-30

Family

ID=83367712

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220228436.6U Active CN217520324U (en) 2022-01-27 2022-01-27 Water bath type vaporizer

Country Status (1)

Country Link
CN (1) CN217520324U (en)

Similar Documents

Publication Publication Date Title
CN107692838A (en) A kind of water heater
CN203671912U (en) Water tank for air source heat pump water heater
CN217520324U (en) Water bath type vaporizer
CN204044016U (en) Material test apparatus under a kind of nuclear power station steam leakage simulated condition
CN201643958U (en) Steam water-bath heater type liquid ammonia vaporizer
CN206055603U (en) Bubble type oxygen-eliminating device
CN203258899U (en) Fused salt heat storage and heat exchange system for solar thermal power generation
CN210135445U (en) Ultra-low temperature liquid cold energy recovery device
CN201897210U (en) Upright vertical U-shaped tube high pressure heater of nuclear power 200MW unit
CN212133341U (en) Condensate water recovery tank
CN112728969A (en) Vaporizer with U-shaped tube bundle structure
CN201093709Y (en) Vertical type water heater
CN206755647U (en) A kind of absorption heat exchange device
CN106969643A (en) A kind of intelligent water bath type vaporizer with scale-deposit-preventing function
CN206376949U (en) A kind of heat exchanger
CN206368754U (en) Heat-exchanger rig for automobile-used vaporizer
CN214891114U (en) Vertical high-pressure feed water heater convenient to overhaul
CN215862873U (en) LNG vaporizer
CN205048996U (en) Cold quick -witted exhaust -heat boiler of sintered ring
CN214620099U (en) Heat balance energy-saving reconstruction device for heating boiler
CN215061997U (en) High-pressure feed water heater with built-in cooling device
CN211770342U (en) Steam heating type titanium tetrachloride refining device
CN218822567U (en) Anti-freezing system of thermal control measuring equipment
CN214663685U (en) Heating and pressurizing recovery device for evaporated gas of normal-pressure liquid nitrogen storage container
CN208418693U (en) Built-in rotating film type integral deaerator

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant