CN218710225U - Built-in tubular entrained flow bed viscosity breaking device - Google Patents
Built-in tubular entrained flow bed viscosity breaking device Download PDFInfo
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- CN218710225U CN218710225U CN202222434267.4U CN202222434267U CN218710225U CN 218710225 U CN218710225 U CN 218710225U CN 202222434267 U CN202222434267 U CN 202222434267U CN 218710225 U CN218710225 U CN 218710225U
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Abstract
A built-in tubular entrained flow bed viscosity breaking device. Comprises a feeding unit and a viscosity breaking unit. The feed inlet of the bowl-buckled type dispersion feeder in the feed unit is connected with a flange at the top of the adhesive breaking area, the bowl-buckled type dispersion feeder consists of stainless steel parallel arc-shaped plates which are connected through welding, and the feed pipe is connected with the upper arc-shaped plate, so that the feed area is increased, and the uniform adhesive breaking effect is promoted; the breaking and bonding unit is a closed breaking and bonding cavity formed by connecting a top flange with the cavity, the center of the top flange of the cavity is provided with a feed inlet, the lower part of the top flange of the cavity is provided with a conical discharge outlet, the outer wall of the cavity can be heated and is respectively provided with a temperature measuring instrument, a pressure measuring instrument and a differential pressure measuring instrument, the built-in tubular air flow distributor is formed by nesting two stages of hole distributors, and the sizes and the distribution of holes can be changed through rotation according to the air speed distribution requirement. The device can realize that the buggy is broken and is glued evenly, and the device is examined and torn open simply, the operation elasticity is big, extensive applicability.
Description
Technical Field
The utility model belongs to energy chemical industry field, concretely relates to broken device that glues of built-in tubular entrained flow bed.
Background
With the development of coal utilization technology, in order to improve the depth and the breadth of coal utilization and widen the extension of bonded coal to the field of efficient clean and graded utilization of coal, high-viscosity coal needs to be pre-oxidized and viscosity broken.
Due to the high caking properties of coal, the applicability of coal is limited to a large extent. In recent years, the coal pyrolysis gasification technology is a technology which is highly concerned by scientific research institutions as an important technology for the high-efficiency utilization of coal according to quality, and has some requirements on indexes such as particle size, volatile matters, ash content, ash fusion point, caking property and the like of raw material coal, particularly caking index. The coal powder with high caking index is easy to agglomerate, bridge and block in the conveying process, is not beneficial to conveying, is easy to coke after entering a reactor, and does not utilize the durability of reaction time. In order to widen the adaptability of coal types, the viscosity reduction pretreatment of raw coal is required.
Disclosure of Invention
An object of the utility model is to provide a tear broken device that glues of built-in tubular entrained flow bed that unpicks and examines simply, operation elasticity is big, extensive applicability.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the device comprises a furnace body, wherein a feeding pipe is arranged at the upper part of the furnace body, a discharging hole is arranged at the lower part of the furnace body, a bowl-buckled type dispersing feeder is fixedly connected at the lower end of the feeding pipe, a tubular airflow distributor is arranged in the furnace body below the bowl-buckled type dispersing feeder, a broken viscous cavity is formed between the outer wall of the tubular airflow distributor and the inner wall of the furnace body, and the lower end of the tubular airflow distributor is communicated with broken viscous fluid in a gas phase mode.
The furnace body top install the flange, flange axle center department installs the inlet pipe.
The tubular air flow distributor is formed by nesting two layers of porous pipes, a plurality of air holes are uniformly distributed on the inner porous pipe and the outer porous pipe, and the inner porous pipe can rotate around the axis.
Tubular air flow distributor pass through upper portion spring assembly and lower part spring assembly and install in the furnace body, the distance of upper portion spring assembly to tubular air flow distributor top is H, the distance of lower part spring assembly to tubular air flow distributor bottom also is H, tubular air flow distributor overall length is H, H value range is:
the upper spring group and the lower spring group are respectively composed of 3 spring structures, an included angle between each spring structure is 120 degrees, and the upper spring group and the lower spring group are in 60-degree rotational symmetry relative to the axis of the tubular airflow distributor.
One end of the spring structure is an inner side connecting rod welded on the surface of the tubular airflow distributor, the other end of the spring structure is an outer side connecting rod welded on the inner wall of the furnace body, and the spring is nested on the outer side connecting rod.
The length of the inner connecting rod is L 1 The length of the outside connecting rod is L 2 The distance between the inner side connecting rod and the outer side connecting rod is L, the natural length of the spring is L, and the L value range meets the following formula:
the discharge hole below the furnace body is of a conical structure and is communicated with the feed bin.
The beneficial effects of the utility model are that:
the heating temperature of the built-in tubular entrained flow bed viscosity breaking device is 100-300 ℃, the pressure is 0.001-0.5 Mpa, the operating condition is mild, the requirement on the material is low, and the applicability is wide; the bowl-buckled type dispersing feeder effectively enlarges the feeding area, has good raw material dispersing effect and promotes better and uniform viscosity breaking; the viscosity breaking fluidizing gas enters through the bottom of the tubular gas flow distributor and forms gas flow distribution from large to small from bottom to top, so that the viscosity breaking flow and time are increased;
the further built-in tubular airflow distributor is formed by nesting two-stage hole distributors, the size and distribution of holes can be changed by rotation according to the distribution requirement of air speed, and the viscosity breaking requirement of coal dust with different raw material particle sizes can be met;
the further fixing mode of the tubular airflow distributor adopts a mode of fixing the triangular springs with staggered upper and lower parts, so that the tubular airflow distributor is convenient to disassemble and inspect and resists elastic deformation caused by thermal stress.
Drawings
Fig. 1 is an overall structure diagram of the present invention.
FIG. 2 is a schematic structural view of upper and lower spring sets;
fig. 3 is a schematic view of a spring structure.
FIG. 1 shows a feed pipe; 2. a top flange; 3. a bowl-buckled dispersion feeder; 4. a tubular gas flow distributor; 5. an upper spring set; 6. a lower spring group; 7. breaking the viscous fluidized gas; 8. a breaking and sticking cavity; 9. a storage bin; 10. the inner wall of the furnace body; 11. a tubular gas flow distributor surface 11;12. an inner side connecting rod; 13. an outer connecting rod; 14. a spring; 15. furnace body, 16, discharge gate.
Detailed Description
In order to make the objects, operation processes and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses an upper portion is provided with inlet pipe 1, the lower part is provided with the furnace body 15 of discharge gate 16, flange 2 is installed at furnace body 15 top, inlet pipe 1 is installed to 2 axle centers of flange department, discharge gate 16 of furnace body 15 below is the toper structure and is linked together with feed bin 9, 1 lower extreme fixedly connected with of inlet pipe detains bowl formula dispersion feeder 3, install tubular air distributor 4 in the below furnace body 15 of detaining bowl formula dispersion feeder 3, tubular air distributor 4 outer wall forms brokenly glues cavity 8 with 15 inner walls of furnace body, tubular air distributor 4's lower extreme is linked together with brokenly to glue fluidization gas 7, wherein, tubular air distributor 4 is formed by two-layer perforated pipe is nested, it has a plurality of gas pockets to equally divide cloth on interior perforated pipe and the outer perforated pipe, interior perforated pipe can be rotatory around the axle center.
Referring to fig. 2, the utility model discloses a tubular air flow distributor 4 installs in furnace body 15 through upper portion spring assembly 5 and lower part spring assembly 6, and upper portion spring assembly 5 is H to the distance at 4 tops of tubular air flow distributor, and 6 distances of lower part spring assembly 4 bottoms also are H to tubular air flow distributor, and tubular air flow distributor 4 overall length is H, and the value scope of H is:
the upper spring set 5 and the lower spring set 6 are respectively composed of 3 spring structures, the included angle between the spring structures is 120 degrees, and the upper spring set 5 and the lower spring set 6 are in 60-degree rotational symmetry about the axis of the tubular airflow distributor 4.
Referring to fig. 3, the utility model discloses an one end of spring structure is the inboard connecting rod 12 of welding at tubular air distributor surface 11, and the other end is the outside connecting rod 13 of welding at furnace body inner wall 10, and the nested spring 14 that has on outside connecting rod 13, and inboard connecting rod 12 length is L 1 Outer connecting rod 13 has a length L 2 The distance between the inner connecting rod 12 and the outer connecting rod 13 is L, the natural length of the spring 14 is L, and the value range of L satisfies the following formula:
the utility model discloses main flow is as follows:
the raw material coal powder is fed through a feed inlet 1 of a bowl-buckled type dispersion feeder connected with an upper flange and uniformly dispersed through a bowl-buckled type dispersion feeder 3 to enter a viscosity breaking cavity 8. The viscosity breaking device can be heated by external heat, the tubular airflow distributor 4 arranged in the viscosity breaking cavity 8 is formed by nesting two-stage hole distribution sleeves, and the size of the airflow hole can be changed by rotating the position of the sleeve according to the airflow speed required by the viscosity breaking process; the raw material coal is fluidized and viscosity-broken by viscosity-breaking fluidizing gas 7 in a viscosity-breaking cavity 8, and then the pulverized coal is conveyed to a storage bin 9 through a cone outlet, the cone is provided with fluidizing loosening gas, and the pulverized coal after viscosity breaking is supplied to subsequent reaction requirements.
In the fluidization and viscosity breaking process, fluidizing gas 7 enters from the bottom of the tubular gas flow distributor 4, and gas flow distribution from large to small is formed from bottom to top, so that the viscosity breaking process and time are increased; the tubular air distributor 4 is fixed by a triangle with staggered upper and lower parts, so that the tubular air distributor is convenient to disassemble and inspect and can resist elastic operation caused by thermal stress. The device adopts an external heat taking mode, can also recycle the broken-bonding tail gas, has the heating temperature of 100-300 ℃ and the pressure of 0-1.00-0.5 Mpa, and is suitable for the broken-bonding pretreatment of the coal powder with higher cohesiveness.
Claims (8)
1. The utility model provides a broken device that glues of built-in tubular entrained flow bed which characterized in that: the device comprises a furnace body (15) with an upper part provided with a feeding pipe (1) and a lower part provided with a discharging port (16), wherein the lower end of the feeding pipe (1) is fixedly connected with a bowl-buckled type dispersion feeder (3), a tubular airflow distributor (4) is installed in the furnace body (15) below the bowl-buckled type dispersion feeder (3), the outer wall of the tubular airflow distributor (4) and the inner wall of the furnace body (15) form a viscosity breaking cavity (8), and the lower end of the tubular airflow distributor (4) is communicated with viscosity breaking fluidized gas (7).
2. The built-in tubular entrained flow bed de-binding device of claim 1, wherein: the furnace body (15) top install flange (2), flange (2) axle center department installs inlet pipe (1).
3. The built-in tubular entrained flow bed de-binding device of claim 1, wherein: the tubular airflow distributor (4) is formed by nesting two layers of porous pipes, a plurality of air holes are uniformly distributed on the inner porous pipe and the outer porous pipe, and the inner porous pipe can rotate around the axis.
4. The built-in tube type entrained flow bed viscosity breaking device as recited in claim 1, wherein: the tubular air flow distributor (4) passes through the upper spring group (5) and the lower partThe spring group (6) is arranged in the furnace body (15), the distance from the upper spring group (5) to the top of the tubular airflow distributor (4) is H, the distance from the lower spring group (6) to the bottom of the tubular airflow distributor (4) is also H, the total length of the tubular airflow distributor (4) is H, and the value range of H is H
5. The built-in tubular entrained flow bed de-binding device of claim 4, wherein: the upper spring set (5) and the lower spring set (6) are composed of 3 spring structures, an included angle between each spring structure is 120 degrees, and the upper spring set (5) and the lower spring set (6) are in 60-degree rotational symmetry about the axis of the tubular airflow distributor (4).
6. The built-in tubular entrained flow bed de-binding device of claim 5, wherein: one end of the spring structure is an inner side connecting rod (12) welded on the surface of the tubular airflow distributor (4), the other end of the spring structure is an outer side connecting rod (13) welded on the inner wall of the furnace body (15), and the spring (14) is nested on the outer side connecting rod (13).
7. The built-in tubular entrained flow bed de-binding device of claim 6, wherein: the length of the inner connecting rod (12) is L 1 The length of the outer connecting rod (13) is L 2 The distance between the inner side connecting rod (12) and the outer side connecting rod (13) is L, the natural length of the spring (14) is L, and the value range of L satisfies the following formula:
8. the built-in tubular entrained flow bed de-binding device of claim 1, wherein: the discharge hole (16) below the furnace body (15) is of a conical structure and is communicated with the feed bin (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222434267.4U CN218710225U (en) | 2022-09-14 | 2022-09-14 | Built-in tubular entrained flow bed viscosity breaking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222434267.4U CN218710225U (en) | 2022-09-14 | 2022-09-14 | Built-in tubular entrained flow bed viscosity breaking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218710225U true CN218710225U (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222434267.4U Active CN218710225U (en) | 2022-09-14 | 2022-09-14 | Built-in tubular entrained flow bed viscosity breaking device |
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| CN (1) | CN218710225U (en) |
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- 2022-09-14 CN CN202222434267.4U patent/CN218710225U/en active Active
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