CN202322752U - Device for preheating granular materials - Google Patents
Device for preheating granular materials Download PDFInfo
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- CN202322752U CN202322752U CN201120451883XU CN201120451883U CN202322752U CN 202322752 U CN202322752 U CN 202322752U CN 201120451883X U CN201120451883X U CN 201120451883XU CN 201120451883 U CN201120451883 U CN 201120451883U CN 202322752 U CN202322752 U CN 202322752U
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Abstract
The utility model discloses a device for preheating granular materials. A preheating tube is arranged in the middle of a shell, an upper raw material chamber is arranged at the upper part of the shell, a lower raw material chamber is arranged at the lower part of the shell, an upper gas collection chamber is arranged between the preheating tube and the upper raw material chamber, and a lower gas collection chamber is arranged between the preheating tube and the lower raw material chamber; a volatile matter outlet is arranged at the upper part of the upper raw material chamber, a feed auger and an eccentric vertical motion mechanism are positioned at the upper part of the upper raw material chamber, the upper and lower gas collection chambers are communicated by the preheating tube, a discharge auger is arranged at the bottom of the lower gas collection chamber, a plurality of upper raw material channel openings are arranged in the upper gas collection chamber, lower raw material channel openings corresponding to the upper raw material channel openings are arranged in the lower gas collection chamber, a fume gas inlet is arranged at the lower gas collection chamber, and a fume gas outlet is arranged at the upper gas collection chamber; and the upper raw material channel openings are communicated with the lower raw material channel openings by a shell layer, a first motor is fixed at the lower part of the shell and connected with the discharge auger, and a plurality of vertical motion bars are arranged on the eccentric vertical motion mechanism by a support. The device is low in cost and high in thermal efficiency and can stably run and be operated simply.
Description
Technical field
The utility model belongs to the particulate material heating technique; Be specifically related to a kind of waste heat that utilizes combustion product gases carries out preheating to particulate material device; This device utilizes the fume afterheat of external-heat gasification heating that the gasifying biomass raw material is carried out preheating, improves gasifying biomass energy transformation efficiency.
Background technology
At present, improving energy utilization rate is the common target of pursuing.Along with the continuous minimizing of Nonrenewable energy resources, biomass energy begins increasing being utilized, and wherein to change into be focus to biogas.
Chinese patent document (patent No.: ZL 190619147570.2) discloses " a kind of cracking and gasifying reforming furnace ", and it mainly comprises dust cloud combustion chamber, pyrolysis gasification chamber and CR chamber.Micron fuel gets into dust cloud combustion chamber efficient burning, for pyrolysis gasification and CR provide required thermal source.
Its advantage is: 1. have continuously feeding, continuous aerogenesis function; 2. dust cloud combustion chamber, pyrolysis gasification chamber and CR chamber are integrated in the body of heater, compact construction, and cost is low,
Its shortcoming is to adopt the method heat of external-heat to connect heating through the stove interlayer; The gasified raw material heat transmission resistance is big, and it is low to produce efficiency of utilization, when the temperature of external-heat vapourizing furnace heating chamber during at 1000 ℃; Flue gas after the vapourizing furnace indirect heating is being carried a large amount of waste heats; Temperature also has 700 ℃, if this part of waste heat is not utilized, with the energy transformation efficiency that has a strong impact on its gasifying biomass.If utilize the fume afterheat after the vapourizing furnace indirect heating to come the preheating particulate material, got into vapourizing furnace again by the particles preheated material and carry out high-temperature gasification, so just can greatly improve the energy transformation efficiency of whole gasification system.
Waste heat apparatus to this type of biomass material mainly contains horizontal tube bank and horizontal drum at present; Its shortcoming has: flue gas feeds horizontal tube bank and horizontal drum when 1, working; Tube bank and cylinder be whole rotation under the driving of motor, drive the entire equipment motion, and the motor power consumption is big; 2, because the heating thermal source will receive the restriction of parts working temperatures such as bearing directly through the hollow rotation axis of tube bank heating unit, the temperature of its heating thermal source should not surpass 300 ℃, is difficult to use wherein for 700 ℃ high-temperature flue gas; 3, thermal source ingress links to each other with bearing, and bearing readily conducts heat to base support etc., thereby the thermal source loss is serious; 4, after flue gas feeds horizontal tube bank and horizontal drum, equipment expanded by heating and elongated, and the base support on both sides is fixed, and equipment and foundation expansion are asynchronous, and secular work all has damage to equipment and base support.
Summary of the invention
The purpose of the utility model is to overcome the weak point of above-mentioned prior art, and the utility model provides a kind of device that particulate material is carried out preheating for this reason, and this preheating unit cost is low, thermo-efficiency is high, and is stable, simple to operate.
For achieving the above object; The technical scheme that the utility model adopts is: a kind of device that particulate material is carried out preheating comprises feed chamber, feeding packing auger, eccentric up-down mechanism, last collection chamber, preheating tubulation, following collection chamber, following feed chamber and discharging auger;
The preheating tubulation is installed in the middle part of housing, and housing top is last feed chamber, and the bottom is provided with collection chamber for following feed chamber between preheating tubulation and the last feed chamber, be provided with down collection chamber between preheating tubulation and the following feed chamber;
Last feed chamber top is provided with the volatile matter outlet; Raw material feeding packing auger and eccentric up-down mechanism are positioned at feed chamber top, and the preheating tubulation will be gone up collection chamber and be communicated with following collection chamber, are the discharging augers in the bottom of following collection chamber; In last collection chamber, be provided with a plurality of on the material channel mouth; Be provided with material channel mouth under the material channel mouth correspondence at following collection chamber, be provided with gas approach, be provided with exhanst gas outlet at last collection chamber at following collection chamber; Last material channel mouth is connected with following material channel mouth through shell, and first motor is fixed in lower housing portion and links to each other with the discharging auger; The many rods that move up and down are installed on the said eccentric up-down mechanism through the rod bracket that moves up and down; Eccentric up-down mechanism comprises eccentric rotating disk, linkage, the spacing orifice plate in hinge center, eccentric stiffener duplex bearing and second motor;
The spacing orifice plate in hinge center is fixed in housing top; Eccentric rotating disk is connected on the duplex bearing through bearing; Linkage is connected with the non-central zone of eccentric rotating disk, and second motor links to each other with eccentric rotating disk through duplex bearing, and the rod bracket that moves up and down is connected with linkage; The many rods that move up and down are installed on the rod bracket that moves up and down, move up and down rod successively through last material channel mouth, shell and following material channel mouth one through to following feed chamber.
The utility model is compared with horizontal tube bank, horizontal drum raw material type of heating, and the utility model has following advantage:
1, the motion of raw material mainly relies on the gravity of raw material to move from top to bottom in the heat-processed, and heating installation does not move, working temperature accommodation big (100 ℃-700 ℃), and power consumption is few;
2, tubulation is vertically arranged, tubulation is difficult for the accumulation dust, and the thermal source of heating can adopt the hot cigarette device of dust-laden, has reduced the cost of heating.
3, biomass are carried out the dry water vapour that produces and seal collection, and make the vaporized chemical of the further gasification of tar and residual carbon, practiced thrift ability, improved the energy transformation efficiency of gasification.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Wherein description of reference numerals is following: 1, feeding packing auger; 2, the spacing orifice plate of hinge positioned centrally; 3, exhanst gas outlet; 4, go up collection chamber; 5, preheating tubulation; 6, shell; 7, the rod that moves up and down; 8, following collection chamber; 9, first motor; 10, discharging auger; 11, following feed chamber; 12, gas approach; 13, following material channel mouth; 14, go up the material channel mouth; 15, second motor; 16, eccentric stiffener duplex bearing; 17, volatile matter outlet; 18, linkage; 19, housing; 20, eccentric rotating disk; , feed chamber on 21; , 22 rod brackets that move up and down.
Embodiment
Below through by embodiment the utility model being described in further detail, but following examples only are illustrative, and the protection domain of the utility model does not receive the restriction of these embodiment.
As shown in Figure 1, the utility model device comprises feed chamber 21, feeding packing auger 1, eccentric up-down mechanism, goes up material channel mouth 14, goes up collection chamber 4, preheating tubulation 5, shell 6, material channel mouth 13, collection chamber 8, feed chamber 11 and discharging auger 10 down down down.
Preheating tubulation 5 is installed in the middle part of housing 19, and housing 19 tops are last feed chamber 21, and the bottom is provided with collection chamber 4 for following feed chamber 11 between preheating tubulation 5 and the last feed chamber 21, be provided with down collection chamber 8 between preheating tubulation 5 and the following feed chamber 11.
Raw material feeding packing auger 1 is positioned at feed chamber 21 tops with eccentric up-down mechanism; Preheating tubulation 5 will be gone up collection chamber 4 and be communicated with following collection chamber 8; In the following bottom of collection chamber 8 are discharging augers 10, in last collection chamber 4, be provided with a plurality of on material channel mouth 14, descending collection chamber 8 to be provided with and last material channel mouth 14 vertical corresponding following material channel mouths 13; Be provided with gas approach 12 at following collection chamber 8, be provided with exhanst gas outlet 3 at last collection chamber 4.Last material channel mouth 14 is connected with following material channel mouth 13 through shell 6, and first motor 9 is fixed in housing 19 bottoms and links to each other with discharging auger 10.The many rods 7 that move up and down are installed on the said eccentric up-down mechanism through the rod bracket 22 that moves up and down.Rod 7 the quantity that moves up and down equates with the quantity of last material channel mouth 14.
Eccentric up-down mechanism comprises the spacing orifice plate of eccentric rotating disk 20, linkage 18, hinge center 2, eccentric stiffener duplex bearing 16 and second motor 15.
The spacing orifice plate 2 in hinge center is fixed in housing 19 tops; Eccentric rotating disk 20 is connected on the duplex bearing 16 through bearing; Linkage 18 is connected with the non-central zone of eccentric rotating disk 20, and second motor 15 links to each other with eccentric rotating disk 20 through duplex bearing 16, and the rod bracket 22 that moves up and down is connected with linkage 18; The many rods that move up and down 7 are installed on the rod bracket 22 that moves up and down, and the rod 7 that moves up and down is through last material channel mouth 14, shell 6, material channel mouth 13 1 is through to feed chamber 11 down down.Volatile matter outlet 17 is positioned at feed chamber 21 tops.Thereby 16 runnings of second motor, 15 drive duplex bearings drive eccentric rotating disk 20 and move in a circle; The linkage 18 that links to each other with eccentric rotating disk 20 drives the rod bracket 22 that moves up and down and moves up and down, and the rod bracket 22 that moves up and down drives the some rods 7 that move up and down that are fixed in the rod bracket 22 that moves up and down and moves up and down.The spacing orifice plate 2 in hinge center is used to guarantee motion bracket 22 and the rod 7 that moves up and down can only be done up and down vertical movement and the skew in other orientation does not take place.Thereby impel particulate material more smooth and easy flowing down in shell 6.
Eccentric up-down mechanism is used for driving the rod 7 that moves up and down and moves up and down, and its structure is not limited to the above-mentioned mode of enumerating, and all can be used for the utility model as long as can realize the various structures of this function.
The waste heat flue gas that comes out from the combustion chamber of outside gets into collection chamber 8 down from gas approach 12, when preheating tubulation 5, gives the particulate material raw material in the shell 6 with the heat indirect transfer, and flue gas rises to get into through tubulation and goes up collection chamber 4, and flows out from exhanst gas outlet 3.
Particulate matter enters into feed chamber 21 from import auger 1; Material channel mouth 14 enters into preheating shell 6 and is heated on process under the drive of the rod 7 that moves up and down; Particulate matter material channel mouth 13 under process under the drive of the rod 7 that moves up and down enters into feed chamber 11 down, comes out from outlet auger 10 again.
Water vapour that particulate matter produces in preheating shell warm and the vaporized combustion gas of part get into feed chamber 21 through the tubulation gap; Flowing out from volatile matter outlet 17; And getting into outside vaporizer, water vapour is wherein participated in gasification reaction as vaporized chemical.
The results showed that particulate matter is through after the residual heat using device, the total system gasification efficiency is significantly improved, and unit flue gas output power consumption descends, and Working environment is improved.
The above is the preferred embodiment of the utility model, but the utility model should not be confined to the disclosed content of this embodiment and accompanying drawing.So everyly do not break away from the equivalence of accomplishing under the spirit disclosed in the utility model or revise, all fall into the scope of the utility model protection.
Claims (1)
1. device that particulate material is carried out preheating; It is characterized in that this device comprises feed chamber (21), feeding packing auger (1), eccentric up-down mechanism, last collection chamber (4), preheating tubulation (5), following collection chamber (8), following feed chamber (11) and discharging auger (10);
Preheating tubulation (5) is installed in the middle part of housing (19); Housing (19) top is last feed chamber (21); The bottom is provided with collection chamber (4) for following feed chamber (11) between preheating tubulation (5) and the last feed chamber (21), be provided with down collection chamber (8) between preheating tubulation (5) and the following feed chamber (11);
Last feed chamber (21) top is provided with volatile matter outlet (17); Raw material feeding packing auger (1) and eccentric up-down mechanism are positioned at feed chamber (21) top; Preheating tubulation (5) will be gone up collection chamber (4) and be communicated with following collection chamber (8); Bottom at following collection chamber (8) is discharging auger (10), in last collection chamber (4), is provided with a plurality of material channel mouths (14) of going up, and is provided with the following material channel mouth (13) corresponding with last material channel mouth (14) at following collection chamber (8); Be provided with gas approach (12) at following collection chamber (8), be provided with exhanst gas outlet (3) at last collection chamber (4); Last material channel mouth (14) is connected with following material channel mouth (13) through shell (6), and first motor (9) is fixed in housing (19) bottom and links to each other with discharging auger (10); The many rods that move up and down (7) are installed on the said eccentric up-down mechanism through the rod bracket that moves up and down (22);
Eccentric up-down mechanism comprises eccentric rotating disk (20), linkage (18), the spacing orifice plate in hinge center (2), eccentric stiffener duplex bearing (16) and second motor (15);
The spacing orifice plate in hinge center (2) is fixed in housing (19) top; Eccentric rotating disk (20) is connected on the duplex bearing (16) through bearing; Linkage (18) is connected with the non-central zone of eccentric rotating disk (20); Second motor (15) links to each other with eccentric rotating disk (20) through duplex bearing (16); The rod bracket (22) that moves up and down is connected with linkage (18), and the many rods that move up and down (7) are installed on the rod bracket that moves up and down (22), the rod that moves up and down (7) successively through last material channel mouth (14), shell (6) and following material channel mouth (13) through to following feed chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120451883XU CN202322752U (en) | 2011-11-15 | 2011-11-15 | Device for preheating granular materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120451883XU CN202322752U (en) | 2011-11-15 | 2011-11-15 | Device for preheating granular materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202322752U true CN202322752U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120451883XU Withdrawn - After Issue CN202322752U (en) | 2011-11-15 | 2011-11-15 | Device for preheating granular materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202322752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816579A (en) * | 2012-08-06 | 2012-12-12 | 山西鑫立能源科技有限公司 | Method for preheating and dehydrating coal as fired by hot exhaust gas |
-
2011
- 2011-11-15 CN CN201120451883XU patent/CN202322752U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816579A (en) * | 2012-08-06 | 2012-12-12 | 山西鑫立能源科技有限公司 | Method for preheating and dehydrating coal as fired by hot exhaust gas |
| CN102816579B (en) * | 2012-08-06 | 2014-12-24 | 山西鑫立能源科技有限公司 | Method for preheating and dehydrating coal as fired by hot exhaust gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20130204 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |