CN204607923U - A kind of low grade coal upgrading pyrolysis installation - Google Patents
A kind of low grade coal upgrading pyrolysis installation Download PDFInfo
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- CN204607923U CN204607923U CN201520293423.7U CN201520293423U CN204607923U CN 204607923 U CN204607923 U CN 204607923U CN 201520293423 U CN201520293423 U CN 201520293423U CN 204607923 U CN204607923 U CN 204607923U
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Abstract
The utility model discloses a kind of low grade coal upgrading pyrolysis installation, comprise a fixing airtight kiln body with opening for feed and discharge port, in kiln body, hot-gas channel is set, hot-gas channel comprises front hot-gas channel and rear hot-gas channel, front hot-gas channel and rear hot-gas channel be arranged on forward and backward high-temperature gas input/output mechanism connection on described kiln surface.The utility model is by being arranged on the front hot-gas channel of high-temperature gas input/output mechanism connection on described kiln surface, rear hot-gas channel, the heat of high-temperature gas is made to be radiated on the low grade coal in propelling decomposition channels by pipeline, abundant pyrolysis low grade coal, gas pipeline be divided into two portions can effectively increase low grade coal by thermocontact area, and the temperature regulating front hot-gas channel, rear hot-gas channel flexibly can be realized.
Description
Technical field
The utility model belongs to the comprehensive utilization of coal material, energy-conserving and emission-cutting technology field, is specifically related to a kind of low grade coal upgrading pyrolysis installation.
Background technology
In China, account for more than 55% of coal resource total amount with brown coal and the lower-grade metamorphic bituminous low grade coal reserves for representative, be mainly distributed in east Inner Mongolia, Yunnan, Xinjiang and Ordos Basin one band.Along with the high coal that goes bad is used fewer and fewer, the Optimum utilization day of low grade coal shows important.Directly utilize technology or the economic problems of existence relative to low grade coal, after low grade coal upgrading, classification sub-prime utilizes should become important directions.Realize industrialized technology as being later than Coal Gasification Technology, low grade coal upgrading has been endowed the expectation of " with gasification dislocation coal " virtually.
In some Large-scale Coal deep processing project schemes, improving quality of coal by pyrolysis inferior is listed in the first step that raw coal transforms.Raw coal first upgrading is divided into solid, liquid, gas three part, solid phase prod enters vapourizing furnace and does gasified raw material or enter boiler and do fuel, in liquid, temperature tar hydrogenation produces clear gusoline, and gas pyrolysis coal gas carries hydrogen for tar production, and residual gas is incorporated to gasification system again and merges utilization.
Publication number is that 101985557B discloses a kind of coal single combustor decomposition device, comprise the sealing rotary kiln body of an arranged transversely, described rotary kiln body comprises an opening for feed, discharge port, it is characterized in that: in described rotary kiln body, a burner is set along kiln body direction, described burner is by gas inlet pipe, stretch out the external air intake duct of rotary kiln, hybrid combustor, lighter for ignition, solid matter radiating pipe forms, described gas inlet pipe, air intake duct be arranged in parallel along the axis direction of rotary kiln body, described hybrid combustor side is communicated with described solid matter radiating pipe, opposite side and described gas inlet pipe, air intake duct is communicated with, described lighter for ignition is arranged on mixed firing indoor, the cavity formed between described burner and rotary kiln body inwall is that coal material advances split tunnel, described coal material advances split tunnel to be communicated with discharge port with described opening for feed, described rotary kiln body upper feeding mouth place end arranges and stretches out the external coal separation combustion gas of rotary kiln, tar gas collection tube, described coal is separated combustion gas, tar gas collection tube and coal material advance split tunnel to be communicated with, the other end is connected with combustion gas dedusting liquid body, described solid matter radiating pipe is communicated with flame gas manifold trunk, described flame gas manifold trunk stretches out outside rotary kiln.
This coal decomposing equipment can solve the resolution problem of low grade coal particularly fine coal, but the inside heating arrangements of more complicated and distributor gears, easily bring not confirmatory and the normal stability of producing of the Heating temperature in production process, particularly in low grade coal decomposition course, the temperature controlling and adjustment of the different zones that rotary kiln body is inner in the environment of high temperature is a more insoluble problem.
Summary of the invention
The utility model is for solving Problems existing in above-mentioned technique and method, and proposing one significantly can improve heating arrangements stability and reliability, and can preferably to the low grade coal upgrading pyrolysis plant that Heating temperature controls.
A kind of low grade coal upgrading pyrolysis installation, comprise a fixing airtight kiln body with opening for feed and discharge port, in described fixing airtight kiln body, hot-gas channel is set, the low grade coal formed between described hot-gas channel and fixing airtight kiln body inwall advances decomposition channels, described fixing airtight kiln body arranges the decomposed gas collecting pipe advancing decomposition channels to be communicated with low grade coal, it is characterized in that: described hot-gas channel comprises front hot-gas channel and rear hot-gas channel, described front hot-gas channel and the front high-temperature gas input/output mechanism connection be arranged on described kiln surface, described rear hot-gas channel and the rear high-temperature gas input/output mechanism connection be arranged on described kiln surface.
Described front high-temperature gas input/output mechanism is multiple, and described rear high-temperature gas input/output mechanism is multiple, and described front high-temperature gas input/output mechanism is communicated with between rear high-temperature gas input/output mechanism.
Described high-temperature gas input/output mechanism is connected with one or more gas blower/vacuum fan equipment.
In described fixing airtight kiln body, low grade coal propulsive mechanism is set.
Described hot-gas channel is many.
The utility model is by being arranged on described fixing airtight kiln surface hot-gas channel before high-temperature gas input/output mechanism connection, rear hot-gas channel, make hot-gas channel, high-temperature gas is passed through in rear hot-gas channel, high-temperature gas brings heat to be conducted by duct wall, be radiated on the low grade coal in low grade coal propelling decomposition channels, low grade coal absorbs fully, heat up, decompose, advance in split tunnel at low grade coal and resolve into combustion gas, tar gas and the higher coal of calorific value, combustion gas is connected by the dedusting liquid body that described decomposed gas collecting pipe and kiln are external with tar gas, by the combustion gas decomposed, tar gas is collected, dedusting, be separated, pressurized liquefied, carry out the extensive utilization of next stage, described front hot-gas channel and the front high-temperature gas input/output mechanism connection be arranged on described kiln surface, described rear hot-gas channel high temperature and the rear high-temperature gas input/output mechanism connection be arranged on described kiln surface, this design can effectively increase low grade coal by thermocontact area, and the temperature regulating front hot-gas channel, rear hot-gas channel flexibly can be realized.Arrange multiple high-temperature gas input/output mechanism and Duo Gen hot-gas channel, sieve is by the input-output power of adjustment high-temperature gas input/output mechanism, and reach a high temperature gas flow and flow velocity, also can adjust further by the temperature heated.High-temperature gas input/output mechanism itself sets out, and actual is two kinds of high-temperature gas mode of movements, and one is that high-temperature gas enters kiln body from gas skirt, and from hot-gas channel, another brings out; Another kind is just correlated with, and high-temperature gas enters kiln body from hot-gas channel another kind, goes out from gas skirt.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of embodiment one of the present utility model.
Fig. 2 is the structural representation of embodiment two of the present utility model.
Embodiment:
Embodiment one
As shown in Figure 1: a kind of low grade coal upgrading pyrolysis installation, comprise a fixing airtight kiln body 1 with 2 opening for feeds and discharge port 3, in described fixing airtight kiln body, front hot-gas channel 41 is set, rear hot-gas channel 42, described front hot-gas channel 41, rear hot-gas channel 42 is one, surface arranges heating panel 12, described front hot-gas channel 41, the low grade coal formed between rear hot-gas channel 42 and fixing airtight kiln body 1 inwall advances decomposition channels 6, described low grade coal advances in decomposition channels 6 and arranges low grade coal propulsive mechanism 8, described low grade coal propulsive mechanism 8 is horizontal crawler belt, low grade coal can be moved to exit end from kiln body exit end, described fixing airtight kiln body 1 arranges the decomposed gas collecting pipe 7 advancing decomposition channels 6 to be communicated with low grade coal, for collecting the coal gas of low grade coal high temperature pyrolysis, tar gas, described front hot-gas channel 41 one end be arranged on described fixing airtight kiln body 1 on the surface before high-temperature gas input/output mechanism 51 be communicated with, it is external that described front hot-gas channel 41 the other end stretches out kiln by front ventpipe 91, described rear hot-gas channel 42 one end be arranged on described fixing airtight kiln body 1 on the surface after high-temperature gas input/output mechanism 52 be communicated with, it is external that described rear hot-gas channel 42 the other end stretches out kiln by rear ventpipe 92.Described front high-temperature gas input/output mechanism 51 and rear high-temperature gas input/output mechanism 52 are gas skirt, be communicated with hot-gas channel one end before described front hot-gas channel 41 and rear 42 inside described gas skirt, outside is communicated with hot-gas blower/vacuum fan 10.The technical scheme of the present embodiment not only can obtain high-temperature gas in gas skirt, the gas of ventpipe 91 and the reduction of rear ventpipe 92 place outflow temperature in the past; Also can obtain high-temperature gas, from the gas that gas skirt outflow temperature reduces in ventpipe 91 and rear ventpipe 92 place in the past.
Embodiment two
As shown in Figure 2: a kind of low grade coal upgrading pyrolysis installation, comprise a fixing airtight kiln body 1 with 2 opening for feeds and discharge port 3, in described fixing airtight kiln body, front hot-gas channel 41 is set, rear hot-gas channel 42, described front hot-gas channel 41, rear hot-gas channel 42 is many, evenly arrange along kiln body circumference, described front hot-gas channel 41, the low grade coal formed between rear hot-gas channel 42 and fixing airtight kiln body 1 inwall advances decomposition channels 6, described low grade coal advances in decomposition channels 6 and arranges low grade coal propulsive mechanism 8, described low grade coal propulsive mechanism 8 is horizontal crawler belt, low grade coal can be moved to exit end from kiln body exit end, described fixing airtight kiln body 1 arranges the decomposed gas collecting pipe 7 advancing decomposition channels 6 to be communicated with low grade coal, for collecting the coal gas of low grade coal high temperature pyrolysis, tar gas, described front hot-gas channel 41 one end be arranged on described fixing airtight kiln body 1 on the surface before high-temperature gas input/output mechanism 51 be communicated with, it is external that described front hot-gas channel 41 the other end stretches out kiln by front ventpipe 91, described rear hot-gas channel 42 one end be arranged on described fixing airtight kiln body 1 on the surface after high-temperature gas input/output mechanism 52 be communicated with, it is external that described rear hot-gas channel 42 the other end stretches out kiln by rear ventpipe 92.Described front high-temperature gas input/output mechanism 51 and rear high-temperature gas input/output mechanism 52 are gas skirt, be communicated with hot-gas channel one end before described front hot-gas channel 41 and rear 42 inside described gas skirt, outside is communicated with hot-gas blower/vacuum fan 10.The technical scheme of the present embodiment not only can obtain high-temperature gas in gas skirt, the gas of ventpipe 91 and the reduction of rear ventpipe 92 place outflow temperature in the past; Also can obtain high-temperature gas, from the gas that gas skirt outflow temperature reduces in ventpipe 91 and rear ventpipe 92 place in the past.
Although the utility model with preferred embodiment openly as above; so itself and be not used to limit the utility model; anyly have the knack of this those skilled in the art; not depart from spirit and scope of the present utility model make an amendment, change and retouching, the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.
Claims (5)
1. a low grade coal upgrading pyrolysis installation, comprise a fixing airtight kiln body with opening for feed and discharge port, in described fixing airtight kiln body, hot-gas channel is set, the low grade coal formed between described hot-gas channel and fixing airtight kiln body inwall advances decomposition channels, described fixing airtight kiln body arranges the decomposed gas collecting pipe advancing decomposition channels to be communicated with low grade coal, it is characterized in that: described hot-gas channel comprises front hot-gas channel and rear hot-gas channel, described front hot-gas channel and the front high-temperature gas input/output mechanism connection be arranged on described kiln surface, described rear hot-gas channel and the rear high-temperature gas input/output mechanism connection be arranged on described kiln surface.
2. low grade coal upgrading pyrolysis installation as claimed in claim 1, it is characterized in that: described front high-temperature gas input/output mechanism is multiple, described rear high-temperature gas input/output mechanism is multiple, and described front high-temperature gas input/output mechanism is communicated with between rear high-temperature gas input/output mechanism.
3. low grade coal upgrading pyrolysis installation as claimed in claim 1 or 2, is characterized in that: described high-temperature gas input/output mechanism is connected with one or more gas blower/vacuum fan equipment.
4. low grade coal upgrading pyrolysis installation as claimed in claim 1, is characterized in that: arrange low grade coal propulsive mechanism in described stationary kiln body.
5. low grade coal upgrading pyrolysis installation as claimed in claim 1 or 2, is characterized in that: described front hot-gas channel is many, and rear hot-gas channel is many.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520293423.7U CN204607923U (en) | 2015-05-08 | 2015-05-08 | A kind of low grade coal upgrading pyrolysis installation |
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| CN201520293423.7U CN204607923U (en) | 2015-05-08 | 2015-05-08 | A kind of low grade coal upgrading pyrolysis installation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131990A (en) * | 2015-10-11 | 2015-12-09 | 郭秀梅 | Low-quality coal pyrolysis device |
| CN105131991A (en) * | 2015-10-11 | 2015-12-09 | 郭秀梅 | Inferior coal decomposition equipment |
-
2015
- 2015-05-08 CN CN201520293423.7U patent/CN204607923U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131990A (en) * | 2015-10-11 | 2015-12-09 | 郭秀梅 | Low-quality coal pyrolysis device |
| CN105131991A (en) * | 2015-10-11 | 2015-12-09 | 郭秀梅 | Inferior coal decomposition equipment |
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