CN201811601U - Heat exchanger of high-temperature semi-coke powder - Google Patents
Heat exchanger of high-temperature semi-coke powder Download PDFInfo
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- CN201811601U CN201811601U CN2010205220274U CN201020522027U CN201811601U CN 201811601 U CN201811601 U CN 201811601U CN 2010205220274 U CN2010205220274 U CN 2010205220274U CN 201020522027 U CN201020522027 U CN 201020522027U CN 201811601 U CN201811601 U CN 201811601U
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- urceolus
- inner core
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- semicoke
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Abstract
The invention provides a heat exchanger of high-temperature semi-coke powder. The upper end of a cylindrical outer cylinder is provided with an upper cover of an outer cylinder connected with a high-temperature coal gas discharge pipe; the outer wall of the upper part of the outer cylinder is provided with at least one of low-speed coal gas inlet air pipes which are communicated with the inner part of the outer cylinder, and a semicoke accessing pipe; the outer wall of the lower part of the outer cylinder is provided with at least one of high-speed coal gas inlet air pipes which are communicated with the inner part of the outer cylinder; the lower end of the outer cylinder is provided with a tapered cylinder which is connected with a semicoke discharging pipe; the outer cylinder is internally provided with an inner cylinder; a cavity is formed between the inner wall of the outer cylinder and the outer wall of the inner cylinder; an upper annular clapboard is arranged between the inner cylinder and the outer cylinder under the outlet of the semicoke accessing pipe; a lower annular clapboard is arranged between the lower part of the inner cylinder and the outer cylinder; an upper rotational flow hole c is machined on the inner cylinder above the upper annular clapboard; and a lower rotational flow hole d is machined on the inner cylinder between the upper annular clapboard and the lower annular clapboard. High-temperature semi-coke powder enters into the inner cylinder from the upper rotational flow hole and downwards and rotationally flows, and the coal gas enters the inner cylinder from the lower rotational flow hole and upwards and rotationally flows, thus the semi-coke powder rotates downwards to carry out reverse heat exchange under the action of gravity.
Description
Technical field
The utility model belongs to technical field of coal chemical industry, is specifically related to the high temperature powdery semicoke heat exchanger in the coal low temperature pyrogenation system coal tar production technology.
Background technology
Coal tar is a kind of important chemical material and oil replacement fuel, coal tar can be produced class fine chemical products such as benzene, naphthalene, anthracene through deep processing, coal tar hydrogenating can be produced gasoline, diesel oil and fuel wet goods petroleum series product, and development national economy tool is had certain effect.
The annual production of China's coal tar has at present reached 1,100 ten thousand tons, expects 2015 and will reach 1,700 ten thousand tons.With fine coal is that raw material adopts the low temperature pyrogenation method to produce coal tar, is one of main method that improves coal tar productive rate and quality.But in the production process of fine coal low temperature pyrogenation legal system coal tar, the temperature of product powdery semicoke is up to 510～600 ℃, and the energy has been wasted in cooling naturally, has polluted environment, and the cylinder cooler cools off indirectly, and cooling effectiveness is low.The fluid bed cooling, the energy consumption height.In the coal tar production technical field, in order to reclaim the heat of high temperature powdery semicoke, the current technical problem of solution that presses for provides a kind of equipment that the high temperature semi-coke powder is carried out heat exchange.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of high temperature heat transmission equipment, provides a kind of reasonable in design, simple in structure, heat exchange efficiency is high, handling safety is reliable, high temperature powdery semicoke heat exchanger that can reverse heat exchange.
Solving the problems of the technologies described above the technical scheme that is adopted is: be provided with the urceolus loam cake that connects with the coal gas of high temperature discharge pipe in the upper end of cylindrical urceolus, at least be provided with on the external wall of upper portion of urceolus 1 with urceolus in low speed gas inlet pipe and 1 semicoke access tube of linking, at least be provided with on the outer wall of urceolus bottom 1 with urceolus in the high speed gas inlet pipe that links, the urceolus lower end is provided with the conical cylinder that connects with the semicoke discharge pipe, be provided with inner core in the urceolus, form cavity between outer tube inner wall and the inner tank theca, be provided with toroidal membrane between the inner core of semicoke access tube outlet below and the urceolus, be provided with down toroidal membrane between inner core bottom and the urceolus, be processed with forward spin flow hole c on the inner core of last toroidal membrane top, be processed with down whirl hole d on the inner core between last toroidal membrane and the following toroidal membrane.
Of the present utility modelly be arranged on the center line of the semicoke access tube on the urceolus and the angle of horizontal plane is 30 °～60 °, the center line of low speed gas inlet pipe and the outer wall of inner core are tangent, the center line and the inner tank theca of high speed gas inlet pipe are tangent, and the internal diameter of urceolus is 10: 7～9 with the internal diameter of inner core ratio.The forward spin flow hole c that processes on the inner core of the present utility model has 2～8 circles, and every circle has 50～100, and the following whirl hole d that processes on the inner core has 10～30 circles, and every circle has 100～300.
Forward spin flow of the present utility model hole c is downward-sloping straight hole, and the center line of forward spin flow hole c and the angle of horizontal plane are-15 °～-20 °.Following whirl hole d is acclivitous straight hole, and the center line of following whirl hole d and the angle of horizontal plane are 10 °～30 °.
A circle forward spin flow hole c who processes on the inner core of the present utility model and an adjacent circle forward spin flow hole c are matrix and arrange or be staggered, a circle down under whirl hole d and the adjacent circle whirl hole d be the matrix arrangement or be staggered.The aperture of forward spin flow of the present utility model hole c is 20～30mm, and the aperture of following whirl hole d is 5～10mm.
The internal diameter of urceolus of the present utility model is 10: 8 with the best internal diameter ratio of inner core.
The utility model adopts inner tube wall top to be processed with downward-sloping forward spin flow hole, the inner tube wall bottom is processed with acclivitous whirl hole down, the high temperature semi-coke powder enters into from the forward spin flow hole in the inner core to following rotational flow, coal gas enters into the rotational flow that makes progress in the inner core from following whirl hole, semi-coke powder is rotated down under the gravity effect and carries out reverse heat-exchange, the high temperature semi-coke powder drops to 60～80 ℃ from 500～600 ℃, coal gas is warmed up to 400～450 ℃ by 20～30 ℃, heat energy is fully used, save the energy, reduced production cost.The utility model is simple in structure, heat exchange efficiency is high, can reverse heat exchange etc. advantage, can in coal tar production, promote the use of.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the upward view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing and each embodiment the utility model is further described, but the utility model is not limited to these embodiment.
Outer circumference 6000mm with inner core 6 is an example, and the geometry and the connecting relation of parts are as follows:
In Fig. 1,2,3, the high temperature semi-coke powder heat exchanger of present embodiment is made of coal gas of high temperature discharge pipe 1, urceolus loam cake 2, urceolus 3, semicoke access tube 4, last toroidal membrane 5, inner core 6, conical cylinder 7, semicoke discharge pipe 8, following toroidal membrane 9, high speed gas inlet pipe 10,11 connections of low speed gas inlet pipe.
Upper end at cylindrical urceolus 3 is connected with urceolus loam cake 2 by flange, the upper end welding of urceolus loam cake 2 is connected with the coal gas of high temperature discharge pipe 1 that links with urceolus 3 inside, welding is connected with 3 low speed gas inlet pipes 11 and 3 semicoke access tubes 4 on the external wall of upper portion of urceolus 3, link in 3 low speed gas inlet pipes 11 and 3 semicoke access tubes 4 and the urceolus 3, the center line of semicoke access tube 4 and the angle of horizontal plane are 45 °.Welding is connected with 3 high speed gas inlet pipes 10 on the urceolus 3 bottom outer walls, high speed gas inlet pipe 10 links with urceolus 3 inside, the welding of urceolus 3 lower ends is connected with conical cylinder 7, and the welding of conical cylinder 7 lower ends is connected with semicoke discharge pipe 8, and semicoke discharge pipe 8 links with conical cylinder 7.Inner core 6 is installed in the urceolus 3, inner core 6 be shaped as cylindrical shape, the internal diameter of urceolus 3 is 10: 8 with the internal diameter ratio of inner core 6, form cavity between the outer wall of the inwall of urceolus 3 and inner core 6, the top peripheral solder of inner core 6 is connected with flange, with the screw threads for fastening connector this flange is fixedly mounted between urceolus loam cake 2 and urceolus 2 upper ends, inner core 6 is fixedly mounted in the urceolus 3, welding is connected with toroidal membrane 5 between inner core 6 and the urceolus 3 below semicoke access tube 4 exports, form high temperature chamber a between the urceolus 3 of last toroidal membrane 5 tops and the inner core 6, be processed with forward spin flow hole c on the barrel of last toroidal membrane 5 top inner cores 6, welding is connected with down toroidal membrane 9 between inner core 6 bottom outer walls and urceolus 3 inwalls, form low temperature cavity b between last toroidal membrane 5 below urceolus 3 and the inner core 6, be processed with down whirl hole d on the barrel of following toroidal membrane 9 top inner cores 6.
As shown in Figure 2, the Equal round weekly interval is uniform on urceolus 3 barrel external wall of upper portion is welded with 3 semicoke access tubes 4, the Equal round weekly interval is uniform on the urceolus 3 barrel external wall of upper portion is welded with 3 low speed gas inlet pipes 11, and the outer wall of the center line of low speed gas inlet pipe 11 and inner core 6 is tangent.Be processed with 7 circle forward spin flow hole c on inner core 6 barrels, each circle has 80 forward spin flow hole c, forward spin flow hole c circumference in equal parts uniformly at intervals, the aperture of forward spin flow hole c is 25mm, forward spin flow hole c is downward-sloping straight hole, the center line of forward spin flow hole c and the angle of horizontal plane be the airintake direction of-18 ° of forward spin flow hole c and low speed gas inlet pipe 11 airflow direction in the same way, a circle forward spin flow hole c of present embodiment and an adjacent circle forward spin flow hole c are the matrix arrangement, also can be staggered.In actual design, the quantity of forward spin flow hole c is determined by the inlet of powdery high temperature semi-coke powder.
As Fig. 1, shown in 3,3 high speed gas inlet pipe 10 circumference in equal parts are welded on urceolus 3 barrels uniformly at intervals, the center line of high speed gas inlet pipe 10 and inner core 6 outer walls are tangent, be processed with 20 circles whirl hole d down on inner core 6 barrels, each circle is processed with 200 following whirl hole d, the aperture of whirl hole d is 8mm under each, following whirl hole d circumference in equal parts uniformly at intervals, following whirl hole d is acclivitous straight hole, the center line of following whirl hole d and the angle of horizontal plane are 20 °, the airflow direction of the airintake direction of following whirl hole d and high speed gas inlet pipe 10 in the same way, whirl hole d was the matrix arrangement under whirl hole d and adjacent enclosed under one circle of present embodiment, also can be staggered, and also can adopt other form to arrange, the coal gas process is whirl hole d down, and speed is controlled at 18～25 meter per seconds.In actual design, the quantity of following whirl hole d is determined by the inlet of coal gas.
Outer circumference 6000mm with inner core 6 is an example, and the geometry and the connecting relation of parts are as follows:
In the present embodiment, the Equal round weekly interval is uniform on urceolus 3 barrel external wall of upper portion is welded with 3 semicoke access tubes 4, the Equal round weekly interval is uniform on the urceolus 3 barrel external wall of upper portion is welded with 3 low speed gas inlet pipes 11, and the center line of semicoke access tube 4 and the angle between horizontal plane are 30 °.Inner core 6 is installed in the urceolus 3, inner core 6 be shaped as cylindrical shape, the internal diameter of the internal diameter of urceolus 3 and inner core 6 is with it than being 10: 7, be processed with 2 circle forward spin flow hole c on inner core 6 barrels, each circle has 100 forward spin flow hole c, and forward spin flow hole c circumference in equal parts uniformly at intervals, the aperture of forward spin flow hole c is 30mm, forward spin flow hole c is downward-sloping straight hole, and the center line of forward spin flow hole c and the angle of horizontal plane are-15 °, and the airintake direction of forward spin flow hole c and the airflow direction of low speed gas inlet pipe 11 are in the same way.The ordering of forward spin flow hole c is identical with embodiment 1.3 high speed gas inlet pipe 10 circumference in equal parts are welded on urceolus 3 barrels uniformly at intervals, the center line of high speed gas inlet pipe 10 and inner core 6 outer walls are tangent, be processed with 10 circles whirl hole d down on inner core 6 barrels, each circle is processed with 300 following whirl hole d, the aperture of whirl hole d is 10mm under each, following whirl hole d circumference in equal parts uniformly at intervals, following whirl hole d is acclivitous straight hole, the center line of following whirl hole d and the angle of horizontal plane be the airintake direction of 10 ° of following whirl hole d and high speed gas inlet pipe 10 airflow direction in the same way.The ordering of following whirl hole d is identical with embodiment 1.The connecting relation of other parts and parts is identical with embodiment 1.
Outer circumference 6000mm with inner core 6 is an example, and the geometry and the connecting relation of parts are as follows:
In the present embodiment, the Equal round weekly interval is uniform on urceolus 3 barrel external wall of upper portion is welded with 3 semicoke access tubes 4, the Equal round weekly interval is uniform on the urceolus 3 barrel external wall of upper portion is welded with 3 low speed gas inlet pipes 11, and the center line of semicoke access tube 4 and the angle between horizontal plane are 60 °.Inner core 6 is installed in the urceolus 3, inner core 6 be shaped as cylindrical shape, the internal diameter of the internal diameter of urceolus 3 and inner core 6 is with it than being 10: 9, be processed with 8 circle forward spin flow hole c on inner core 6 barrels, each circle has 50 forward spin flow hole c, and forward spin flow hole c circumference in equal parts uniformly at intervals, the aperture of forward spin flow hole c is 20mm, forward spin flow hole c is downward-sloping straight hole, and the center line of forward spin flow hole c and the angle of horizontal plane are-20, and the airintake direction of forward spin flow hole c and the airflow direction of low speed gas inlet pipe 11 are in the same way.The ordering of forward spin flow hole c is identical with embodiment 1.3 high speed gas inlet pipe 10 circumference in equal parts are welded on urceolus 3 barrels uniformly at intervals, the center line of high speed gas inlet pipe 10 and inner core 6 outer walls are tangent, be processed with 30 circles whirl hole d down on inner core 6 barrels, each circle is processed with 100 following whirl hole d, the aperture of whirl hole d is 5mm under each, following whirl hole d circumference in equal parts uniformly at intervals, following whirl hole d is acclivitous straight hole, the center line of following whirl hole d and the angle of horizontal plane are 30 °, and the airflow direction of the airintake direction of following whirl hole d and high speed gas inlet pipe 10 in the same way.The ordering of following whirl hole d is identical with embodiment 1.The connecting relation of other parts and parts is identical with embodiment 1.
Outer circumference 6000mm with inner core 6 is an example, and the geometry and the connecting relation of parts are as follows:
In above embodiment 1～3, on urceolus 3 barrel external wall of upper portion, be welded with 1 with urceolus 3 in the semicoke access tube 4 that links, be welded with on the urceolus 3 barrel external wall of upper portion 1 with urceolus 3 in the low speed gas inlet pipe 11 that links, be welded with on the urceolus 3 bottom outer walls 1 with urceolus 3 in the high speed gas inlet pipe 10 that links.The connecting relation of other parts and parts is identical with respective embodiments.
According to above-mentioned principle, also can design the high temperature semi-coke powder heat exchanger of another concrete structure, but all within protection domain of the present utility model.
The course of work of the present utility model is as follows:
Low speed coal gas is entered in the urceolus 3 of toroidal membrane 5 tops and the high temperature chamber a between the inner core 6 by the tangential direction of low speed gas inlet pipe 11 along inner core 6,500～600 ℃ high temperature semi-coke powder enters in the urceolus 3 of toroidal membrane 5 tops and the high temperature chamber a between the inner core 6 from semicoke access tube 4, and low speed coal gas is blown into the high temperature semi-coke powder in the inner core 6 and forms the downward semicoke of rotation in inner core 6 along the forward spin flow hole c on inner core 6 walls and flows; Simultaneously, 20～30 ℃ high speed coal gas is entered in the urceolus 3 and the low temperature cavity b between the inner core 6 of toroidal membrane 5 belows by high speed gas inlet pipe 10, and enter in the inner core 6 along the following whirl hole d on inner core 6 barrels, with carry out heat exchange by the downward semicoke flow point level of gravity rotation, semi-coke powder is progressively reduced to after 60～80 ℃ from the semicoke discharge pipe 8 of conically shaped 8 bottoms by 500～600 ℃ and is discharged, high speed coal gas rises to 400～450 ℃ by 20～30 ℃, and the coal gas after the intensification is discharged by coal gas of high temperature discharge pipe 1.
Claims (6)
1. high temperature powdery semicoke heat exchanger, it is characterized in that: be provided with the urceolus loam cake (2) that connects with coal gas of high temperature discharge pipe (1) in the upper end of cylindrical urceolus (3), at least be provided with on the external wall of upper portion of urceolus (3) 1 with urceolus (3) in the low speed gas inlet pipe (11) and 1 the semicoke access tube (4) that link, at least be provided with on the outer wall of urceolus (3) bottom 1 with urceolus (3) in the high speed gas inlet pipe (10) that links, urceolus (3) lower end is provided with the conical cylinder (7) that connects with semicoke discharge pipe (8), be provided with inner core (6) in the urceolus (3), form cavity between urceolus (3) inwall and inner core (6) outer wall, be provided with toroidal membrane (5) between the inner core (6) of semicoke access tube (4) outlet below and the urceolus (3), be provided with down toroidal membrane (9) between inner core (6) bottom and the urceolus (3), be processed with forward spin flow hole (c) on last toroidal membrane (5) the top inner core (6), be processed with down whirl hole (d) on the inner core (6) between last toroidal membrane (5) and the following toroidal membrane (9).
2. according to the described high temperature powdery of claim 1 semicoke heat exchanger, it is characterized in that: saidly be arranged on the center line of the semicoke access tube (4) on the urceolus (3) and the angle of horizontal plane is 30 °～60 °, the outer wall of the center line of low speed gas inlet pipe (11) and inner core (6) is tangent, the center line of high speed gas inlet pipe (10) and inner core (6) outer wall are tangent, and the internal diameter ratio of the internal diameter of urceolus (3) and inner core (6) is 10: 7～9; There are 2～8 circles in the forward spin flow hole (c) that said inner core (6) is gone up processing, and every circle has 50～100, and the following whirl hole (d) that inner core (6) is gone up processing has 10～30 circles, and every circle has 100～300.
3. according to claim 1 or 2 described high temperature powdery semicoke heat exchangers, it is characterized in that: said forward spin flow hole (c) is downward-sloping straight hole, and the center line of forward spin flow hole (c) and the angle of horizontal plane are-15 °～-20 °; Following whirl hole (d) is acclivitous straight hole, and the center line of following whirl hole (d) and the angle of horizontal plane are 10 °～30 °.
4. according to claim 1 or 2 described high temperature powdery semicoke heat exchangers, it is characterized in that: the circle forward spin flow hole (c) that said inner core (6) is gone up processing and an adjacent circle forward spin flow hole (c) are matrix arranges or is staggered, a circle down whirl hole (d) and an adjacent circle down whirl hole (d) be matrix and arrange or be staggered; The aperture in said forward spin flow hole (c) is 20～30mm, and the aperture of following whirl hole (d) is 5～10mm.
5. according to the described high temperature powdery of claim 3 semicoke heat exchanger, it is characterized in that: the circle forward spin flow hole (c) that said inner core (6) is gone up processing and an adjacent circle forward spin flow hole (c) are matrix arranges or is staggered, a circle down whirl hole (d) and an adjacent circle down whirl hole (d) be matrix and arrange or be staggered; The aperture in said forward spin flow hole (c) is 20～30mm, and the aperture of following whirl hole (d) is 5～10mm.
6. according to the described high temperature powdery of claim 1 semicoke heat exchanger, it is characterized in that: the internal diameter ratio of the internal diameter of said urceolus (3) and inner core (6) is 10: 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205220274U CN201811601U (en) | 2010-09-08 | 2010-09-08 | Heat exchanger of high-temperature semi-coke powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205220274U CN201811601U (en) | 2010-09-08 | 2010-09-08 | Heat exchanger of high-temperature semi-coke powder |
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| Publication Number | Publication Date |
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| CN201811601U true CN201811601U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205220274U Expired - Fee Related CN201811601U (en) | 2010-09-08 | 2010-09-08 | Heat exchanger of high-temperature semi-coke powder |
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| CN (1) | CN201811601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957147A (en) * | 2010-09-08 | 2011-01-26 | 王树宽 | High-temperature semicoke heat exchanger |
-
2010
- 2010-09-08 CN CN2010205220274U patent/CN201811601U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957147A (en) * | 2010-09-08 | 2011-01-26 | 王树宽 | High-temperature semicoke heat exchanger |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20130908 |