CN108707469A

CN108707469A - A kind of thermal cracking liquefaction system based on brickkiln

Info

Publication number: CN108707469A
Application number: CN201810814289.9A
Authority: CN
Inventors: 练其辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-23
Filing date: 2018-07-23
Publication date: 2018-10-26
Anticipated expiration: 2038-07-23
Also published as: CN108707469B

Abstract

The invention belongs to reusing of energy source technical fields, more particularly to a kind of thermal cracking liquefaction system based on brickkiln, including brickkiln and liquefaction system, the brickkiln should have one section of suitable warm area suitable for liquefaction system, the liquefaction system setting is in suitable for warm area, the raw material of the liquefaction system is the organic matter discarded, the organic matter absorbs heat in suitable for warm area and thermal cracking generation oil vapour occurs, it there remains residual charcoal after the raw material is hot cracked, the residual charcoal is collected into specified region and is used as fuel.Advantageous effect is：The characteristics of residual heat of tunnel kiln is utilized, cracking generation occurs at high temperature using discarded rubbish as raw material can be as the fixed gas and nonstandard oil that fuel uses, and solid residue charcoal can also be used as fuel.

Description

A kind of thermal cracking liquefaction system based on brickkiln

Technical field

The invention belongs to reusing of energy source technical fields, and in particular to a kind of thermal cracking liquefaction system based on brickkiln.

Background technology

In modern society, all types of plastic product is widely used, and usage amount is disperseed greatly, service life is short, to make At a large amount of plastic products wastes, make resource serious waste, final welding.Therefore, have to the recycling of waste and old rubbish Important realistic meaning.During waste and old garbage reclamation recycles, it is divided into inorganic metal or some high-molecular organic materials, for example moulds Material, fiber, food garbage etc., the in general temperature of thermal cracking do not have under 500 degrees centigrades, general conventional environment Such hot environment, it is necessary in laboratory or have stove where and could realize, and also will produce after thermal cracking Waste material is difficult to handle.

Waste heat refers to the thermal energy being utilized released in production process, mainly there is high-temp waste gas etc., UTILIZATION OF VESIDUAL HEAT IN Using that can generate steam by waste heat boiler, pushing turbine does mechanical work or power generation, it is also possible to heat or produce hot water； According to source, industrial exhaust heat can be divided into again:Fume afterheat, cooling medium waste heat, waste vapour waste water residual heat, chemical reaction heat are high Warm product and afterheat of slags and combustible exhaust gas, waste material waste heat.Even can also experience surrounding near kiln area in brickkiln area Temperature is obviously high, however it is to spill into surrounding environment to go in the form of thermal energy that the heat in brickkiln area, which has 50% or more energy, There is huge wastes among these, however the loss of this temperature is difficult to control really, can only be in the process in heat loss In how effectively utilize brickkiln temperature can do more things.

Invention content

The applicant has found that organic cracking temperature is low by prolonged processing waste rubbish, continuous summing up experience In brickkiln area temperature, while the temperature in brickkiln area is successively decreased in gradient around, that is to say, that the surrounding in the areas Cun Yao exists The optimum generation temperature of thermal cracking can be met, applicant summarizes after continuous practice, and creative proposes a kind of make With can rubbish be refined oil a kind of novel brickkiln being combined simultaneously when brickkiln, a kind of thermal cracking liquefaction system based on brickkiln is provided System.

Technical scheme is as follows：Thermal cracking liquefaction system based on brickkiln, including brickkiln and liquefaction system, it is described Brickkiln should have one section of suitable warm area suitable for liquefaction system, liquefaction system setting is described in suitable for warm area The raw material of liquefaction system is the organic matter discarded, and it is oily that the organic matter absorbs heat generation thermal cracking generation in suitable for warm area Steam there remains residual charcoal after the raw material is hot cracked, the residual charcoal is collected into specified region to be made as fuel With.

Brickkiln should spatially have a suitable space as heat source, and for example tunnel oven is in the heating region of its burning line For surrounding there are the space for wrapping up heating region of a similar tubulose, which has the temperature suitable for organic matter progress cracking Degree, there is also a package spaces for annular kiln, but since annular kiln is service intermittent kiln, once in kiln discharge after the completion of burned brick Thermal loss is larger in the process, and the temperature of kiln area circumference varies widely, therefore is unfavorable for liquefaction system and carries out continuous liquefaction.

Thermal cracking processes are high-molecular organic material, and the process being broken after heated, process is complex, in general generates Product it is more, heating rate is fast for universal law, and in a suitable case, the degree of thermal cracking is higher for material particle size, Pyrolysis product includes the product of water and carbon dioxide complete oxidation, also has methane, carbon monoxide etc. is flammable on-condensible gas, also It includes nonstandard oil and kerosene combustible vapor to have oil vapour, oil vapour, and the various components of oil vapour can obtain each group by fractionation Divide and stored again, the carbon that cannot be cracked again can be also remained after the completion of thermal cracking processes, be commonly called as residual charcoal, residual charcoal also has very High calorific value can store and can also be used as the fuel of brickkiln as fuel and be sent to heating region and can ensure that brickkiln is not required to It wants external and adds fuel again.

Specifically preparation system includes drying layer, liquefaction layer, charring layer, and the drying layer, liquefaction layer, charring layer are set Above the areas Zhi Yao, drying layer setting is in the top, and the setting of liquefaction layer is in centre, and in bottom, described is dry for charring layer setting It is provided with thermal insulation layer between dry layer, liquefaction layer, each layer of charring layer；In view of tunnel oven has pipe during burning in its circumference The comfort zone of shape, but comfort zone has wider thickness above kiln area after tested, to liquefaction system, there are enough Space, be divided into different zones in liquefaction system, the purpose of drying layer is a floor farthest apart from kiln area, drying layer is removal raw material In aqueous vapor, the specific heat capacity of water is very big, influences whether raw material in drying layer to liquefaction layer mistake if remaining aqueous vapor in raw material Heating rate when crossing can reduce oil yield, have water participation that can also influence alcohols material occur in its product, although combustion can be used as Material, but the purity of oil is influenced, therefore have to control the size of raw material object grain before liquefaction process, it cannot be excessive, while also wanting Decline the steam contained in material in time enough thoroughly to dry, the heat that drying layer is passed over by liquefaction layer is to material It is dried, drying course is at least not less than 40min, and the temperature of drying layer is controlled in temperature at 100-220 degrees Celsius, in raw material It is dried in the case of not cracking, drying tube is equipped in drying layer, described drying tube one end is equipped with feed inlet, and described is dry It is equipped with the first screw propulsion screw rod in dry pipe, the first screw propulsion screw rod is driven by external decelerating motor when work so that former Expect to be slowly advanced between the screw thread between the first screw propulsion screw rod, screw thread can play and stir-fry to raw material during propulsion Effect, conducive to the hot gas in the raw material that scatters；Preferably, drying tube is provided with dehumidifier in feed end, and dehumidifier is at work Constantly the moisture in pipe is extracted out, moisture, which is direction threadingly extract out and air-flow, in this process is and the first spiral The direction of propulsion of augering screw is opposite, and moisture is constantly extracted, and in the discharge end of drying tube, raw material has been completely dried There is no moisture；Preferably, it is equipped with necking section in the end of drying tube, raw material is being convenient for of more disperseing in fact in drying tube The dehumidifier of air circulation and dehumidifier, but necking section has been arrived, material is compacted, it is therefore intended that by drying tube and liquefaction layer point It opens, the oil vapour that liquefaction layer generates will not be entered by necking section in drying tube, and drying tube is under the work of dehumidifier In low-pressure state, it is easier to the oil gas of liquefaction layer be sucked drying layer, the waste of oil gas is caused and generate pollution, while necking Raw material in section plays certain heat insulation, and reservoir temperature processed is prevented to be diffused rapidly to dryer section, can reduce raw material cracking Heating rate, therefore the charging rate that the caliber size of necking section must have more feed inlet is designed so that raw material is in necking Duan Wubi is compacted, and prevents heat airtight；Preferably, dashpot will be offered under drying tube, dashpot is connected to drying tube, is delayed Jet-bedding can store the raw material pushed from the first screw propulsion screw rod, and dashpot considers the uneven of the feedstock of feed zone Possibility so that raw material is more uniformly distributed in dry walking in pipe.

Liquefaction pipe is equipped in liquefaction layer, the liquefaction pipe one terminates the discharge end of drying tube, set in the liquefaction pipe There is the second screw propulsion screw rod, is equidistantly equipped with exhaust pipe on the liquefaction pipe, the external absorption tower of the exhaust pipe is described Reservoir temperature processed control at 300-600 degrees Celsius, the raw material passes through in liquefaction layer duration liquefaction layer in charring layer The heat of transmission carries out thermal cracking to raw material, and exhaust pipe is equidistantly equipped on liquefaction pipe, is vented in 30min-40min；Guan Jiang The oil vapour that thermal cracking generates is discharged, and since thermal cracking temperature is higher, aliphatic hydrocarbon caused by oil vapour, aliphatic hydrocarbon can be with The aliphatic hydrocarbon of different fractions is collected respectively by absorption tower, then by fractionating column, the fixed gas in oil vapour is extracted It is out used as fuel gas, according to the different by different component separate collection of boiling range；It should be noted that in the end of liquefaction pipe Also is provided with necking section, the effect in necking section is similar with the necking section of drying tube, the necking section set by the end of liquefaction pipe every Hot gas absolutely from charring layer and the residual charcoal that may be raised, are, the necking of liquefaction pipe with the necking section difference of drying tube Duan Geng little, due in liquefaction tank raw material some be cracked to form oil vapour, Mass lost, necking section should smaller ability The possibility of isolation liquefaction layer and charring layer ventilation completely.

Carbonizing tube is equipped in charring layer charring layer, the carbonizing tube one terminates the discharge end of liquefaction pipe, the charing Third screw propulsion screw rod is equipped in pipe, at 600 degrees Celsius or more, the carbonizing tube discharge end is set the charring layer temperature There is compacting section；

The discharge end of the drying tube, liquefaction pipe is equipped with necking section；Charcoal is remained at a high temperature of charring layer can with certain Plasticity, convenient for the compactness of the compacting process of charing section, after compacting section compacting, residual charcoal then becomes the bulk for facilitating storage, The heating region that residual charcoal can also be directly introduced to tunnel oven is used as fuel.

Thermal cracking liquefaction system advantage of this patent based on brickkiln is：1. the characteristics of residual heat of tunnel kiln is utilized will give up Cracking generation occurs at high temperature as raw material for the rubbish abandoned can be as the fixed gas and nonstandard oil that fuel uses, and solid is residual Stay charcoal that can also be used as fuel.2., will not using solving the problems, such as the heating region fuel of tunnel oven substantially after liquefaction system The residual charcoal that can become oil gas provides thermal energy directly as tunnel kiln area fuel for kiln area, while feeding back to liquefaction system thermal energy Whole system is allowed to be continuously in the recurrent state of work, to the utilization ratio of energy up to 70% or more.3. liquefaction system clean Environmental protection, without the generation of any secondary rubbish or pernicious gas.

Description of the drawings

Fig. 1 is the floor plan of tunnel oven.

Fig. 2 is schematic cross-section of the liquefaction system on tunnel oven.

Fig. 3 is thermal insulation layer internal structure schematic diagram.

Fig. 4 is the front-wheel drive system schematic diagram of specific embodiment.

Reference sign：1 feed inlet, 2 drying tubes, 3 dashpots, 4 first screw propulsion screw rods, 5 partition boards, 6 heat conduction windows, 7 necking sections, 8 liquefaction pipes, 9 second screw propulsion screw rods, 10 insulating refractory concrete, 11 decelerating motors, 12 decelerating motors, 13 contractings Mouth section, 14 partition boards, 15 heat conduction windows, 16 ventilation shafts, 17 decelerating motors, 18 carbonizing tubes, 19 enhancing blocks, 20 long tubules, 21 fire resistings Wall, 22 main air holes, 23 auxiliary air holes, 24 breaking machines, 25 slip pipes, 26 kiln car tracks, 27 kiln car tracks, 28 storage bins, 30 push rods, 31 Primary push rod, 32 primary push rods, 33 total push rods, 34 temperature test points, 35 temperature test points, 36 temperature test points, 37 temperature test points, 41 wind turbines, 42 handoff paths, 43 kiln cars, 44 kiln areas, 45 kiln cars, 46 handoff paths, 47 ventilation holes, 48 ventilation holes, at 49 tail gas Reason device, 50 burning lines, 51 drying lines, 52 drying lines, 53 drying lines, 61 sand beds, 62 insulated walls, 63 thermal insulation layers, 64 thermal insulation layers, 65 Dehumidifier, 66 gas and oil pipes, 67 third screw propulsion screw rods, 68 compacting sections, 69 protective covers.

Specific implementation mode

The specific implementation mode of the present invention is further described below in conjunction with the accompanying drawings.

Specific embodiment

As shown in Figure 1, tunnel oven is respectively drying line 51, drying line 52, drying line 53 and a burning line including three drying lines 50, the kiln area 44, which is located at, burns on line 50, and ventilation hole 47, drying line 52 and drying are equipped between drying line 51 and drying line 52 It is equipped with ventilation hole 48 between line 53, has in drying line and needs dry adobe on kiln car, the direction and drying that kiln car advances The direction that air-flow in line is advanced is opposite, and thermal current burns the wind turbine 41 on line 50 in drying line, will when wind turbine 41 operates The hot gas of ventilation shaft 16 is collected and is transported to drying line, and the waste heat that burning line 50 is utilized does the adobe of moistening It is dry, however the connection of ventilation shaft 16 is equipped with main air holes 22 and auxiliary air holes 23, main air holes 22 and auxiliary air holes 23 all play air inlet Effect, auxiliary air holes 23 increases air inlet ability and can play the role of adjusting adobe temperature on kiln car, as shown in Fig. 2, tunnel oven The basic structure for burning Xian50Yao areas 44 includes being arranged in the heating region of the bottom 29, and the heating region can heating kiln area Adobe, Heating Zone Temperature is generally in 1400 degrees centigrades, and the inner wall for burning line is mainly by refractory wall 21, and thermal insulation layer 63 is resistance to Wall with flues surrounds, and kiln car is in the temperature for burning line substantially in 1100 degrees centigrades, and thermal insulation layer 63 is built by refractory brick, and liquefaction system is then It is all provided in the top of heating region 29, liquefaction system outermost is covered by one layer of solid package of insulating refractory concrete 10 Lid, and be equipped with thick sand bed on the outside of refractory wall 21 and refractory wall and be thermally shielded, ensure that temperature is to be protected in burning line always Inside 50, will not loss, can effectively reduce in this way heating region raw material use.

Liquefaction system includes drying layer, liquefaction layer, charring layer.

Drying tube 2 is equipped in drying layer, described 2 one end of drying tube is equipped with feed inlet 1, and 1 institute of feed inlet is to have into raw material Machine solid refuse, the drying tube 2 is interior to be equipped with the first screw propulsion screw rod 4, and the first screw propulsion screw rod 4 is in decelerating motor 11 Driving under work, on the lower tube wall of drying tube 2 be equipped with dashpot 3, raw material from feed inlet 1 enter drying tube 2 after first Under the impetus power of screw propulsion screw rod 4, raw material can first fill up dashpot 3, and after filling up dashpot 3, the raw material of effusion can be It being moved under the promotion of first screw propulsion screw rod 4, the conveying by the buffering raw material of dashpot 3 becomes more average, Drying layer temperature is controlled at 100-220 degrees Celsius, and the drying tube is provided with dehumidifier 65 in feed end, and the raw material exists The drying time of drying layer is not less than 40min, and the discharge end of drying tube is equipped with necking section 7, it should be noted that feed inlet 1 with Its device fed is to be tightly connected, it is contemplated that thermal cracking needs to carry out under anoxic conditions, the discharge port institute of feeding equipment The raw material of conveying is to enter drying tube 2 under nitrogen protection, and feeding equipment is not belonging to liquefaction system therefore does not draw, dehumidifier 65 nitrogen extracted out return to feeding equipment after drying, since the presence of necking section 7 only has a small amount of nitrogen to flow into system Oil reservoir, nitrogen are substantially at recycling state, avoid waste；As shown in figure 3, for the interior of the thermal insulation layer 64 below drying layer Portion's structural schematic diagram offers heat conduction window 6 on thermal insulation layer 64, the partition board 5 being also used cooperatively with heat conduction window 6, partition board 5 using every Hot material is made, and under normal circumstances, partition board 5 is all the state for half-open semi-closure, if partition board 5 is closed completely then drying layer Temperature will be less than 100 degrees Celsius, and the temperature that partition board 5 opens then drying layer completely is higher than 220 degrees Celsius, therefore passes through partition board 5 Folding be sized to adjustment drying layer in temperature, heat conduction window 6 on thermal insulation layer 64 be equipped with it is multiple, be divided into 4 rows, each heat conduction window 6 partition board 5 is equipped with the push rod 30 of special mobile dividing plate 5, and the connection setting of the push rod of adjacent two rows is in primary push rod 31 and master On push rod 32, primary push rod 31 and primary push rod 32 are connect with total push rod 33 again, operation, it is only necessary to drive total push rod 33 with motor The folding size that can be adjusted heat conduction window 6 adjusts the temperature of drying layer, and Fig. 3 is 6 full open position of heat conduction window, and Fig. 4 is heat conduction 6 partially open mode of window, as shown in Fig. 2, being provided with temperature test point 34 and temperature test point 35 on drying tube 2, temperature is surveyed Pilot selects it to carry out temperature test suitable for the sensor of warm area, higher due to burning the temperature around line 50, to avoid manually grasping Make, after substantially being understood the internal temperature of drying layer by temperature test point, total push rod 33 can be controlled and be moved to properly Position.

Liquefaction pipe 8 is equipped in liquefaction layer, the liquefaction pipe 8 one terminates the discharge end of drying tube 2, the liquefaction pipe 8 It is inside equipped with the second screw propulsion screw rod 9, the second screw propulsion screw rod 9 is first-class by the liquefaction pipe 8 described in insulating refractory concrete 10 Spacing is equipped with exhaust pipe 65, and when work, set decelerating motor 12 drives in a large amount of oil for being generated in liquefaction pipe 8, and steam passes through Exhaust pipe 65 imports in Oil/Gas Pipe 66, and oil vapour produced by liquefaction pipe 8 is the small molecule aliphatic hydrocarbon of cracking, including fixed gas, mark Oil and heavy oil etc., oil vapour enters absorption tower and fractionating column carries out fractionation storage, and the reservoir temperature processed is controlled in 300-600 Degree Celsius, liquefaction pipe 8 is equipped with temperature test point 36 and temperature test point 37, and the raw material exists in the liquefaction layer duration 30min-40min, the liquefaction layer are also to be carried out under the protection of nitrogen, mentioned above to have nitrogen slowly from dry It is equally to play the role of protection that dry pipe, which penetrates into liquefaction pipe, and the end of liquefaction pipe 8 equally exists necking section 13, necking section 13 It ensure that the air-tightness between liquefaction pipe 8 and carbonizing tube 18.It should be noted that the quantity of exhaust pipe 13 is more to ensure that liquefaction Pressure in pipe 8 is equal everywhere, while exhaust pipe 13 does not use aspiration pump, but makes the gas in liquefaction pipe 8 voluntarily slow Effusion, avoid the gas reverse osmosis of charring layer 18 enter in liquefaction pipe 8 or the oil vapour of liquefaction pipe 8 penetrate into charring layer cause wave Take, and the dangerous situation being likely to occur.It should be noted that being equipped with thermal insulation layer 63, thermal insulation layer between liquefaction layer and charring layer The case where partition board 14 for being again provided with heat conduction window 15 on 63 and heat conduction window 15 being coordinated to use, thermal insulation layer 63 and thermal insulation layer 64 and work With similar, cooperation temperature test point 36 and temperature test point 37 equally play the role of adjusting temperature, repeat no more.

Carbonizing tube 18 is equipped in charring layer, the carbonizing tube 18 1 terminates the discharge end of liquefaction pipe 8, the carbonizing tube Third screw propulsion screw rod 67 is equipped in 18, third screw propulsion screw rod 67 is driven by acceleration motor 17, the charring layer temperature Degree is at 600 degrees Celsius or more, and 18 discharge end of carbonizing tube is equipped with compacting section 68, due to left by carbonizing tube 18 being all residual Stay charcoal, the difficulty of compacting big, it is contemplated that the characteristics of remaining charcoal, compacting section 68 are equipped with the enhancing block for increasing by 18 intensity of carbonizing tube 19, be compacted section 68 after be one section of long tubule 20, long tubule 20 prevents air-flow from flowing backwards, and the nitrogen in carbonizing tube 18 is shut substantially In carbonizing tube 18.

The residual charcoal of carbonizing tube 18 stretches out after compacting from long tubule 20, is interrupted as shown in Fig. 2, 20 end of long tubule is equipped with Machine 24, breaking machine 24 are at the uniform velocity rotation status, two scraping block 241 are arranged on breaking machine 24 at work, scraping block 241 Outer surface is in arc-shaped, the residual charcoal for being extruded out in long tubule 20, often stretches out and is scraped by scraping block 241 once saving, and falls into Into slip pipe 25, the appearance of the breaking machine 24 wraps up one layer of protective cover 69, and the end of protective cover 69 and long tubule 20 is phase Connection, that is to say, that the gas in carbonizing tube 18 can not be spilt into tunnel oven, can only be entered by long tubule 20 and be protected In cover 69,25 lower end of slip pipe is connection storage bin 28, the pipeline for leading to heating region 29 is additionally provided under storage bin 28, when needs pair The residual charcoal in storage bin 28 can be added in heating region 29 when adding fuel for heating region.

The present invention is based on the thermal cracking liquefaction system advantages of brickkiln to be：1. the characteristics of residual heat of tunnel kiln is utilized will give up Cracking generation occurs at high temperature as raw material for the rubbish abandoned can be as the fixed gas and nonstandard oil that fuel uses, and solid is residual Stay charcoal that can also be used as fuel.2., will not using solving the problems, such as the heating region fuel of tunnel oven substantially after liquefaction system The residual charcoal that can become oil gas provides thermal energy directly as tunnel kiln area fuel for kiln area, while feeding back to liquefaction system thermal energy Whole system is allowed to be continuously in the recurrent state of work, to the utilization ratio of energy up to 70% or more.3. liquefaction system clean Environmental protection, without the generation of any secondary rubbish or pernicious gas.

Claims

1. a kind of thermal cracking liquefaction system based on brickkiln, it is characterised in that：Including brickkiln and liquefaction system, the brickkiln is answered There are one section of suitable warm areas suitable for liquefaction system, and liquefaction system setting is in suitable for warm area, the liquefaction system Raw material be discarded organic matter, the organic matter, which absorbs heat in suitable for warm area thermal cracking occurs, generates oil vapour, institute Residual charcoal is there remains after the raw material stated is hot cracked, the residual charcoal is collected into specified region and is used as fuel.

2. a kind of thermal cracking liquefaction system based on brickkiln according to claim 1, it is characterised in that：The brickkiln is adopted With tunnel oven, the tunnel oven includes several drying lines and a burning line, and the burning line is equipped with kiln area, and kiln is set in area It includes kiln area to have stove, tunnel oven, is equipped with heating region below the kiln area, the liquefaction system be arranged kiln area just In the suitable warm area of top.

3. a kind of thermal cracking liquefaction system based on brickkiln according to claim 2, it is characterised in that：The liquefaction system System includes drying layer, liquefaction layer, charring layer, and the drying layer, liquefaction floor, charring layer are arranged above kiln area, and drying layer is set It sets in the top, the setting of liquefaction layer is arranged in centre, charring layer in bottom, the drying layer, liquefaction layer, each layer of charring layer Between be provided with thermal insulation layer；

Be equipped with drying tube in drying layer, described drying tube one end is equipped with feed inlet, feed inlet institute into raw material be organic solid rubbish Rubbish, the drying tube is interior to be equipped with the first screw propulsion screw rod, and drying layer temperature is controlled at 100-220 degrees Celsius, and described is dry Dry pipe is provided with dehumidifier in feed end, and the raw material is not less than 40min in the drying time of drying layer；

Liquefaction pipe is equipped in liquefaction layer, the liquefaction pipe one terminates the discharge end of drying tube, and the is equipped in the liquefaction pipe Two screw propulsion screw rods are equidistantly equipped with exhaust pipe, the external absorption tower of the exhaust pipe, the system on the liquefaction pipe Reservoir temperature is controlled at 300-600 degrees Celsius, and the raw material is in the liquefaction layer duration in 30min-40min；

Carbonizing tube is equipped in charring layer, the carbonizing tube one terminates the discharge end of liquefaction pipe, and the is equipped in the carbonizing tube Three screw propulsion screw rods, for the charring layer temperature at 600 degrees Celsius or more, the carbonizing tube discharge end is equipped with compacting section；

The discharge end of the drying tube, liquefaction pipe is equipped with necking section.

4. a kind of thermal cracking liquefaction system based on brickkiln according to claim 3, it is characterised in that：The drying tube Under offer dashpot, the dashpot is connected to drying tube, dashpot can store from the first screw propulsion screw rod push Raw material.

5. a kind of thermal cracking liquefaction system based on brickkiln according to claim 3, it is characterised in that：The carbonizing tube Discharge end be equipped with breaking machine, the breaking machine has a rewinding pipe, and described rewinding pipe one end is equipped with storage bin.

6. a kind of thermal cracking liquefaction system based on brickkiln according to claim 4, it is characterised in that：The storage bin Have charge pipe, the stove below the areas charge pipe Jie Yao.

7. a kind of thermal cracking liquefaction system based on brickkiln according to claim 2-5, it is characterised in that：The liquefaction System further includes temperature control system, and the temperature control system includes the heat conduction window being arranged on thermal insulation layer, the thermal insulation layer It is inside provided with partition board, for the partition board by drive and control of electric machine, the temperature control system further includes setting in drying layer, system Multiple temperature test points in oil reservoir, charring layer.