CN215655084U

CN215655084U - Vaporized gas heater

Info

Publication number: CN215655084U
Application number: CN202122252231.XU
Authority: CN
Inventors: 王新伟; 蔡春水; 王方亮; 徐瑞良; 张国超
Original assignee: Beijing China Education Au Light Co ltd
Current assignee: Beijing China Education Au Light Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-01-28
Anticipated expiration: 2031-09-16

Abstract

The application relates to a boil-off gas heater, include the urceolus and set up the inner tube in the urceolus form the intermediate layer between urceolus and the inner tube the upper end of inner tube is provided with the air inlet with external intercommunication the lower extreme of urceolus is provided with the gas outlet with the intermediate layer intercommunication be provided with the gas pocket on the inner tube, there is the interval in the bottom of gas pocket and inner tube, the inner tube passes through the gas pocket intercommunication with the intermediate layer. The steam heating device has the advantages of improving the steam heating efficiency, enabling the temperature of steam to be more uniform, reducing the possibility that unvaporized liquid enters subsequent equipment, and detecting and discharging unvaporized liquid.

Description

Vaporized gas heater

Technical Field

The application relates to the field of equipment for gas heating, in particular to a vaporized gas heater.

Background

At present, a fluidized bed, called a fluidized bed for short, is a reactor which utilizes fluid to pass through a granular solid layer so as to enable solid to be in a suspension motion state and carry out a gas-solid reaction or a liquid-solid reaction process. In the fluidized bed reaction with liquid, a vaporizer is generally required to heat and vaporize the liquid, and the vaporized steam can not only provide power for the flow of solid fillers in the fluidized bed, but also provide heat for the reaction. However, in the actual reaction process, the steam vaporized by the vaporizer often has difficulty reaching the temperature required by the reaction, and therefore, a temperature booster is required to be used for warming the steam.

In the related art, a heater generally includes a heating cylinder, an air inlet is disposed at an upper end of the heating cylinder, and an air outlet is disposed at a lower end of the heating cylinder. When heating, the heating cylinder is put into the heating furnace, then the steam is introduced from the air inlet and discharged from the air outlet, and the heating of the steam is completed through the heat exchange between the cylinder wall and the steam.

With respect to the related art in the above, the inventors consider that: some unvaporized liquid or liquid drops can be mixed in steam vaporized by the vaporizer, the liquid or the liquid drops can enter the temperature booster along with the steam when the temperature is increased, the liquid or the liquid drops can be vaporized and absorb heat when the temperature is increased for the steam, the efficiency of the temperature increase of the steam can be influenced, and the uniformity of the temperature of the gas after the temperature is increased can be influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency that steam heated, the gas temperature's after improving the heating degree of consistency simultaneously, this application provides a vaporized gas heater.

The utility model provides a vaporized gas heater adopts following technical scheme:

the utility model provides a boil-off gas heater, includes the urceolus and sets up the inner tube in the urceolus form the intermediate layer between urceolus and the inner tube the upper end of inner tube is provided with the air inlet with external intercommunication the lower extreme of urceolus is provided with the gas outlet with the intermediate layer intercommunication be provided with the gas pocket on the inner tube, there is the interval in the bottom of gas pocket and inner tube, the inner tube passes through the gas pocket intercommunication with the intermediate layer.

By adopting the technical scheme, when the vaporized steam is heated, the outer cylinder is firstly placed into the heating furnace, then the steam pipeline penetrates through the air inlet and is inserted into the bottom of the inner cylinder, the steam with lower density rises after carrying some unvaporized liquid or liquid drops into the inner cylinder, enters the interlayer through the air hole and exchanges heat with the inner wall of the outer cylinder, and the heated steam is discharged from the air outlet; the denser liquid or droplets collect at the bottom of the inner barrel. Through setting up inner tube, urceolus and gas pocket, prevented that unvaporized liquid or liquid drop from following steam and getting into the intermediate layer together and carry out the heat transfer to improve the efficiency that the steam heated, made the temperature of steam more even, can reduce simultaneously that unvaporized liquid gets into the possibility of follow-up equipment, and detect and discharge unvaporized liquid.

Optionally, the bottom of the inner cylinder is communicated with a drain pipe.

Through adopting above-mentioned technical scheme, when heating steam, the blast pipe is closed, after a period of use, opens the drain pipe to can discharge the liquid of gathering in the inner barrel bottom, reduce because too much influence to steam heating of liquid gathering.

Optionally, a thermocouple sleeve is arranged at the bottom of the inner cylinder.

By adopting the technical scheme, the thermocouple sleeve can measure the temperature of the bottom of the inner barrel, so that the state of liquid can be judged, whether liquid gathers at the bottom of the inner barrel or not is judged, and the liquid gathered at the bottom of the inner barrel can be timely discharged.

Optionally, the air holes are multiple and are circumferentially arranged by taking the axis of the inner cylinder as a center.

By adopting the technical scheme, the steam entering the inner barrel can uniformly enter the interlayer through the plurality of air holes, so that the steam is uniformly distributed in the interlayer, and the heating efficiency of the steam is improved.

Optionally, an air outlet pipe is inserted in the air outlet, the air outlet pipe is fixedly connected with the bottom end of the outer barrel and is in sealing fit with the air outlet, and a gap exists between one end of the air outlet pipe located in the outer barrel and the bottom end of the outer barrel.

By adopting the technical scheme, after the steam is heated, the steam enters the bottom of the outer barrel, the steam with relatively low density rises and is discharged from the air outlet pipe, and a small part of unvaporized liquid or liquid drops are gathered at the bottom of the outer barrel. Through setting up the outlet duct, can prevent that the liquid that is not gasified from discharging from the outlet duct, improve the purity of discharge steam.

Optionally, the bottom rigid coupling of inner tube has inside hollow blending tank the bottom of blending tank is provided with a plurality of bleeder vents, the outlet duct communicates with the blending tank.

By adopting the technical scheme, after the steam is heated, the steam enters the bottom of the outer barrel, the steam with relatively low density rises and enters the mixing tank through the air holes, and the steam is fully mixed in the mixing tank and then is discharged through the exhaust pipe. Through setting up the blending tank, can improve the degree of consistency of the steam temperature after heating.

Optionally, an upper end enclosure for sealing the upper end of the outer barrel is fixedly connected to the upper end of the outer barrel, an upper end opening of the outer barrel is fixedly connected with the upper end enclosure, and the air inlet is formed in the upper end enclosure.

By adopting the technical scheme, when the inner cylinder and the outer cylinder are installed, the inner cylinder is firstly fixed on the upper sealing head, the upper sealing head is enabled to seal the upper end opening of the inner cylinder, then the inner cylinder is inserted into the outer cylinder, the upper sealing head can simultaneously seal the upper end opening of the outer cylinder, and then the upper sealing head and the outer cylinder are fixed. Through setting up the upper cover, can improve the convenience of inner tube and urceolus installation.

Optionally, the air hole is arranged at a position of the inner cylinder close to the upper end enclosure.

By adopting the technical scheme, the retention time of the steam in the inner barrel can be improved as much as possible, so that the liquid or liquid drops mixed in the steam are fully separated and gathered, and the heating efficiency of the steam is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the inner cylinder, the outer cylinder and the air holes, unvaporized liquid or liquid drops are prevented from entering the interlayer along with steam for heat exchange, so that the steam heating efficiency is improved, and the uniformity of the gas temperature after heating is improved;

2. by arranging the drain pipe, the liquid gathered at the bottom of the inner cylinder can be discharged, and the influence on steam temperature rise due to excessive liquid gathering is reduced;

3. by arranging the air outlet pipe, a small part of unvaporized liquid or liquid drops can be gathered at the bottom of the outer cylinder, the unvaporized liquid is prevented from being discharged from the air outlet pipe, and the purity of the discharged steam is improved;

4. through setting up the blending tank, can make steam discharge through the blast pipe after the intensive mixing in the blending tank to improve the degree of consistency of the back steam temperature that heats.

Drawings

FIG. 1 is a schematic diagram of the structure of a vapor gas warmer in an embodiment of the present application;

FIG. 2 is a cross-sectional view of a vapor gas warmer in an embodiment of the present application;

FIG. 3 is a schematic diagram of the construction of a mixing tank in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of an inner barrel in an embodiment of the present application.

Description of reference numerals: 1. an outer cylinder; 10. an upper end enclosure; 11. a lower end enclosure; 2. an inner barrel; 20. air holes; 21. a bottom cover; 3. an interlayer; 4. an air inlet; 5. an air outlet; 6. a drain pipe; 7. a thermocouple sleeve; 8. a mixing tank; 80. air holes are formed; 9. and an air outlet pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a vaporized gas heater. Referring to fig. 1 and 2, the vaporized gas warmer comprises an outer cylinder 1 and an inner cylinder 2 coaxially arranged in the outer cylinder 1, an interlayer 3 is formed between the outer cylinder 1 and the inner cylinder 2, an air inlet 4 communicated with the outside is arranged at the upper end of the inner cylinder 2, an air outlet 5 communicated with the interlayer 3 is arranged at the lower end of the outer cylinder 1, an air hole 20 is formed in the inner wall of the inner cylinder 2, a distance exists between the air hole 20 and the bottom end of the inner cylinder 2, and the inner cylinder 2 is communicated with the interlayer 3 through the air hole 20.

Referring to fig. 2 and 3, in order to facilitate installation, an upper end socket 10 is fixedly connected to the upper end of the outer cylinder 1, and a lower end socket 11 is fixedly connected to the bottom end of the outer cylinder 1, so that the outer cylinder 1 is conveniently sealed; the height of the inner cylinder 2 is smaller than that of the outer cylinder 1, the upper end of the inner cylinder 2 is fixedly connected with the upper end cover 10, the bottom end of the inner cylinder 2 is fixedly connected with the bottom cover 21, and the inner cylinder 2 is sealed by the upper end cover 10 and the bottom cover 21 together; the air inlet 4 is arranged on the upper end enclosure 10, the plurality of air holes 20 are arranged at the position of the inner cylinder 2 close to the upper end enclosure 10, and the plurality of air holes 20 are circumferentially arranged by taking the axis of the inner cylinder 2 as the center, so that steam can be uniformly distributed in the whole interlayer 3; in order to discharge residual liquid in the steam conveniently, a drain pipe 6 is arranged on the bottom cover 21, and one end of the drain pipe 6 penetrates through the lower seal head 11 and the bottom cover 21 to be communicated with the inner cylinder 2; in order to measure the temperature at the bottom of the inner cylinder 2 conveniently and judge the state of the residual liquid in the inner cylinder 2, a thermocouple sleeve 7 is arranged on the bottom cover 21, and the induction end of the thermocouple sleeve 7 penetrates through the lower seal head 11 and the bottom cover 21 to be communicated with the inner cylinder 2.

In order to improve the uniformity of steam mixing and maintain the steam discharged from the air outlet 5 at a stable temperature, referring to fig. 2 and 4, a mixing tank 8 with a hollow inner part is coaxially and fixedly connected to the lower end of the bottom cover 21 outside the outer cylinder 1, a space is formed between the bottom end of the mixing tank 8 and the lower end enclosure 11, a plurality of air holes 80 are formed in the bottom end of the mixing tank 8, the mixing tank 8 is communicated with the outer cylinder 1 through the air holes 80, an air outlet pipe 9 is inserted into the air outlet 5, the air outlet pipe 9 is fixedly connected with the lower end enclosure 11 and is in sealing fit with the air outlet 5, and the upper end of the air outlet pipe 9 is communicated with the mixing tank 8.

The implementation principle of a vaporized gas heater in the embodiment of the application is as follows: when the vaporized steam is heated, the outer cylinder 1 is firstly placed into a heating furnace, then a steam pipeline penetrates through the air inlet 4 and is inserted into the bottom of the inner cylinder 2, the steam carries some unvaporized liquid or liquid drops to enter the inner cylinder 2, the steam with lower density rises and uniformly enters the interlayer 3 through the plurality of air holes 20, and the steam and the inner wall of the outer cylinder 1 perform sufficient heat exchange; liquid or liquid drops with high density are collected at the bottom of the inner cylinder 2, the thermocouple sleeve 7 can measure the temperature at the bottom of the inner cylinder 2, so that the state of the liquid can be judged, when the temperature detected by the thermocouple sleeve 7 changes, the situation that the liquid is collected at the bottom of the inner cylinder 2 is indicated, at the moment, the drain pipe 6 is opened to discharge the liquid collected at the bottom of the inner cylinder 2 in time, and the influence on steam temperature rise is reduced.

The steam after temperature rise enters the bottom of the outer barrel 1, the steam with relatively low density rises and enters the mixing tank 8 through the air holes 80, the steam is fully mixed in the mixing tank 8 and then is discharged through the exhaust pipe, and a small part of unvaporized liquid or liquid drops are gathered at the bottom of the outer barrel 1, so that the purity of the discharged steam is improved. In conclusion, through the arrangement of the inner cylinder 2, the outer cylinder 1 and the air holes 20, unvaporized liquid or liquid drops are prevented from entering the interlayer 3 along with steam for heat exchange, so that the steam heating efficiency is improved, and the uniformity of the gas temperature after heating is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A boil-off gas warmer, characterized in that: including urceolus (1) and setting up inner tube (2) in urceolus (1) form intermediate layer (3) between urceolus (1) and inner tube (2) the upper end of inner tube (2) is provided with air inlet (4) with external intercommunication the lower extreme of urceolus (1) is provided with gas outlet (5) with intermediate layer (3) intercommunication be provided with gas pocket (20) on inner tube (2), there is the interval in gas pocket (20) and the bottom of inner tube (2), inner tube (2) and intermediate layer (3) are through gas pocket (20) intercommunication.

2. The vapor gas warmer of claim 1, wherein: the bottom of the inner cylinder (2) is communicated with a drain pipe (6).

3. The vapor gas warmer of claim 2, wherein: a thermocouple sleeve (7) is arranged at the bottom of the inner cylinder (2).

4. The vapor gas warmer of claim 1, wherein: the air holes (20) are arranged in a plurality of circles by taking the axis of the inner cylinder (2) as the center.

5. The vapor gas warmer of claim 1, wherein: gas outlet (5) interpolation has gas outlet pipe (9), gas outlet pipe (9) and urceolus (1) bottom rigid coupling and with gas outlet (5) sealed cooperation, there is the interval between one end that gas outlet pipe (9) are located urceolus (1) and urceolus (1) bottom.

6. The vapor gas warmer of claim 5, wherein: the bottom rigid coupling of inner tube (2) has inside hollow blending tank (8) the bottom of blending tank (8) is provided with a plurality of bleeder vents (80), outlet duct (9) and blending tank (8) intercommunication.

7. The vapor gas warmer of claim 1, wherein: the upper end of outer cylinder (1) is fixedly connected with an upper end socket (10) used for sealing the upper end of outer cylinder (1), the upper end of outer cylinder (1) is opened and fixedly connected with upper end socket (10), and air inlet (4) is arranged on upper end socket (10).

8. The vapor gas warmer of claim 7, wherein: the air hole (20) is formed in the position, close to the upper end enclosure (10), of the inner cylinder (2).