CN201419072Y - Device for recovering active coke - Google Patents
Device for recovering active coke Download PDFInfo
- Publication number
- CN201419072Y CN201419072Y CN2009200739821U CN200920073982U CN201419072Y CN 201419072 Y CN201419072 Y CN 201419072Y CN 2009200739821 U CN2009200739821 U CN 2009200739821U CN 200920073982 U CN200920073982 U CN 200920073982U CN 201419072 Y CN201419072 Y CN 201419072Y
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- heat exchanger
- preheating
- heating
- cooling
- air guide
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Abstract
The utility model discloses a device for recovering active coke. An inlet air blocking valve, a heating chamber, an reaction chamber, a cooling chamber and an outlet air blocking valve are orderly connected from top to bottom in a reactor. A heating heat exchanger is arranged in the heating chamber, the heating heat exchanger is connected with a heat source device, and a cooling heat exchanger isarranged in the cooling chamber. A preheating chamber is arranged between the inlet air blocking valve and the heating chamber. The preheating chamber is provided with a preheating heat exchanger. A heat circulating system is formed from the preheating heat exchanger, a circulating medium heat exchanger, a circulating pump and the cooling heat exchanger. A primary material distribution and gas delivery mechanism is arranged between the preheating chamber and the heating chamber. A secondary material distribution and gas delivery mechanism is arranged between the heating chamber and the reaction chamber. The primary material distribution and gas delivery mechanism and the secondary material distribution and gas delivery mechanism are respectively connected with a sucking pump of recovery gas for recovering released gas. The device realizes higher efficiency of heat energy utilization by reforming the original design of all parts in the reactor. At the same time, the increase of the material distribution and gas delivery mechanisms makes gas suction more complete, desorption efficiency is higher, and corrosion to the device is reduced.
Description
Technical field:
The utility model relates to and a kind of the activated coke of adsorbing sulfur dioxide is carried out desorption, reclaims SO
2Resource, the device of recovery activated coke performance specifically refers to a kind of equipment that is used to reclaim activated coke.
Background technology:
China's primary energy contains SO based on coal in industrial furnace discharged flue gas such as coal-burning power plant, metallurgical works, coal-burning boiler factory, waste incineration and the waste gas
2, SO
3, NO, heavy metal ion, harmful smoke contamination thing, thereby form severe contamination, influence our production and life, situation is very severe; China still is large agricultural country simultaneously, needs a large amount of sulfuric acid and sulphur to produce chemical fertilizer, but the poor sulphur of China can only annually spend huge fund from external imported sulphur; And the coal resources of China are distributed in the water-deficient area, Midwest more.Therefore, press for and a kind ofly can carry out removing integrated the associating, reclaim the sulphur resource simultaneously multiple harmful exhaust, and the dry method flue gases purification of water saving, realize recycling economy and sustainable development.
Active coke desulphurizing is to grow up the sixties in last century, dry desulfurization, denitration technology based on the physical-chemical absorption principle, desulfurization is carried out in suction-operated by activated coke, and the activated charcoal regeneration back of adsorbing sulfur dioxide is reusable, obtains the sulphur resource simultaneously, be convenient to recycling, the while activated coke also has denitrogenation, removes the function of harmful heavy metal, and active coke desulphurizing belongs to dry desulfurization, very water saving, substantially do not consume fresh water (FW), be particularly suitable for water resource and lack the area.The active coke desulphurizing technology has the favorable environment protection energy, and the discarded object that is produced is few, can not produce secondary pollution to environment, at home and abroad is used widely.
Chinese invention patent 02112580.5 discloses a kind of " moving desorptive equipment for activated coke ", and the applying date is on January 23rd, 2002.The main body of this desorption apparatus mainly is made of heating cabinet and cooling storehouse, adopts the mode of indirect, has solved the regeneration problem of activated coke, has realized the reasonable use of the energy, has higher desorption performance.But there are the following problems in the operation practice for this device:
1, used heat exchanger adopts longitudinal fin, and difficulty of processing is big, and heat exchanger tube adopts the triangular form that staggers up and down to arrange, unimpeded in order to guarantee that activated coke flows like this, the interior heat exchanger tube quantity of unit volume must be arranged less, thereby causes single unit system general huger, the equipment investment height.Longitudinal fin makes operating cost higher to the activated coke serious wear simultaneously.
2, this Patent equipment extracts from the equipment topmost and reclaims gas, and sour gas is full of device interior like this, causes equipment corrosion serious.
3, bleed can not be thorough for this Patent equipment, can a residual part reclaim gas in the equipment low-temperature zone all the time.
The utility model content:
The purpose of this utility model is to overcome the defective that exists in the prior art, a kind of efficient, energy-conservation, the structure space utilization is reasonable, heating energy source is convenient, flexible, operating cost is low equipment that is used to reclaim activated coke is provided, this device is by redesigning each parts in the reactor body, thereby make the efficient of heat energy utilization higher, increased simultaneously the cloth air guide mechanism make bleed more thorough, desorption efficient is higher, has alleviated the corrosion of equipment.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows:
A kind of equipment that is used to reclaim activated coke, comprise a reactor body, in the described reactor body from top to bottom by the import blocking valve, heating cabinet, reaction warehouse, the cooling storehouse, the outlet blocking valve is linked in sequence, be provided with the heat exchanger of heating in the described heating cabinet, the described heat exchanger of heating is connected with a heat power supply device, cooling is provided with cooling heat exchanger in the storehouse, between described import blocking valve and heating cabinet, be provided with a preheating storehouse, described preheating storehouse is provided with preheating heat exchanger, a described preheating heat exchanger and a circulatory mediator heat exchanger, one circulating pump and cooling heat exchanger form a heat circulating system; Be provided with the first cloth air guide mechanism between described preheating storehouse and the heating cabinet, be provided with the second cloth air guide mechanism between heating cabinet and the reaction warehouse; The described first cloth air guide mechanism, the second cloth air guide mechanism reclaim gas extraction pump and are connected and carry out the desorption gas recovery with one respectively.
Further, be provided with the 3rd cloth air guide mechanism between described cooling storehouse and the outlet blocking valve, the 3rd cloth air guide mechanism is provided with a gas purging mouth.
Further, described cloth air guide mechanism is made up of the chevron shaped member of a plurality of straight flanges, and the chevron shaped angle of described member is 45～70 degree.
Further, feed carbon dioxide or nitrogen in the described gas purging mouth.
Further, described preheating heat exchanger, the heat exchanger of heating, cooling heat exchanger all adopt the fin heat exchanger tube.
Further, described fin heat exchanger tube adopts rectangular arranged, is arranged on the same vertical plane.
In this device, the activated coke desorption and regeneration course of work is as follows:
The activated coke that needs desorption and regeneration, enter into reactor body by the import blocking valve, activated coke is under the effect of deadweight, move from top to bottom, pass through preheating storehouse preheating, the first cloth air guide mechanism, enter into heating cabinet then, in heating cabinet, activated coke is heated to 400-450 ℃, enter reaction warehouse then, at high-temperature area, the SO of activated coke absorption
2By effective desorption, desorption gas is drawn by the first cloth air guide mechanism and the second cloth air guide mechanism, extracts out by reclaiming gas extraction pump, sends into SO
2Utilization of resources system carries out desorption gas and recycles.
Activated coke behind the desorption then continues to move down, enter the cooling storehouse, in the cooling storehouse, activated coke is lowered the temperature under the effect of cooling medium gradually, along with activated coke slowly moves down, the temperature of activated coke can progressively reduce, and when entering about 400 ℃ are when leaving the cooling storehouse, to be reduced to about 120 ℃, and discharge the desorption reaction device through outlet blocking valve door at last and utilize once more.Thermal energy exchange is carried out in cooling storehouse and preheating storehouse, forms the heat circulating system of a closed loop by preheating heat exchanger and a circulatory mediator heat exchanger, a circulating pump and cooling heat exchanger; The heat that circulatory mediator absorbs in the cooling storehouse just in time is used for heating the activated coke in the preheating storehouse like this, realizes making full use of of heat energy.
The utility model is simple in structure, space availability ratio is high, and it is smooth and easy that activated coke flows, and evenly, do not have the dead angle, and desorption is abundant, and reasonable energy utilization, heating energy source is convenient, flexible, operating cost is low.The utility model can also use the occasion at solid formation regeneration desorption in addition.Its advantage is in particular in:
(1) in original heating cabinet, be separated out a preheating storehouse, and and heating cabinet, the cooling storehouse opposes relatively, thermal energy exchange not only can be carried out with the cooling storehouse in the preheating storehouse like this, and can adopt multiple independent thermal source for heating cabinet, as flue gas, steam, electricity or the like, be convenient to the integrated comprehensive utilization of energy, energy savings reduces operating cost.
(2) in order to guarantee the mobile smooth and easy of activated coke, change heat exchanger tube into extended surface tube, and employing rectangular arranged, thereby reduce the influence of fin to the activated coke runner, rectangular arranged can reduce the activated coke runner, and the activated coke homogeneous heating is even with cooling, and reaction evenly fully, and the activated coke moving resistance is little, and wearing and tearing are few.
(3) in order to alleviate equipment corrosion, and desorption gas can effectively be derived, adopt the cloth air guide mechanism after high temperature and preheating warm position desorption gas is extracted out, carry out gas purging in cooling bottom, storehouse simultaneously, thereby the gas behind the desorption all extracted out to make bleeds thoroughly, desorption efficient height has reduced the corrosion of equipment, has prolonged the life-span of equipment.
Description of drawings:
Fig. 1 is the desorption reaction device structure and the system flow chart of this patent
Fig. 2 is the structural representation of the heat exchanger assembly A of this patent
Fig. 3 is the side view of the heat exchanger assembly A of this patent
Fig. 4 is that the heat exchanger assembly fin heat exchanger tube of this patent is arranged schematic diagram.
Fig. 5 is the heat exchanger assembly fin heat exchanger tube schematic diagram of this patent.
Fig. 6 is the alternative structural representation of heating cabinet heat exchanger tube of this patent.
Fig. 7 is the structural representation of the first cloth air guide mechanism of this patent.
Fig. 8 is the right view of a member among Fig. 7.
Fig. 9 is element cross-section figure among Fig. 7.
The drawing reference numeral explanation:
1, import blocking valve 2, preheating storehouse 21, preheating heat exchanger 3, the first cloth air guide mechanism
4, heating cabinet 41, heat heat exchanger 5, the second cloth air guide mechanism 6, reaction warehouse
7, cooling storehouse 8, the 3rd cloth air guide mechanism 9, outlet blocking valve
51, preheating heat exchanger exhaust outlet 52, preheating heat exchanger air inlet 61, cooling heat exchanger gas outlet
62, cooling heat exchanger air inlet 71, heating heat exchanger gas outlet 72, heating heat exchanger air inlet
81, gas purging mouth 82,83, desorption gas outlet 10, heat source system
11, circulatory mediator heat exchanger 12, circulating pump 13, desorption gas aspiration pump
32, vertical setting of types member 33, horizontally-arranged member 35, chevron shaped angle
73, cooling storehouse heat exchanger A1, fin heat exchanger tube A2, left collection chamber
A3, right collection chamber A4, heat exchanger tube fin
The specific embodiment:
Now the utility model is described further in conjunction with the specific embodiment and description of drawings;
As shown in Figure 1, a kind of equipment that is used to reclaim activated coke, comprise a reactor body, in the reactor body from top to bottom by import blocking valve 1, preheating storehouse 2, heating cabinet 4, reaction warehouse 6, cooling storehouse 7, outlet blocking valve 9 is linked in sequence, preheating storehouse 2 is provided with preheating heat exchanger 21, preheating heat exchanger gas outlet 51 is connected with circulatory mediator heat exchanger 11, circulating pump 12 is connected with cooling heat exchanger air inlet 62, the cooling heat exchanger gas outlet 61 of cooling heat exchanger 73 is connected with preheating heat exchanger air inlet 52, like this, preheating heat exchanger 21 and circulatory mediator heat exchanger 11, circulating pump 12 and cooling heat exchanger 73 have formed a heat circulating system;
Be provided with the first cloth air guide mechanism 3 between preheating storehouse 2 and the heating cabinet 4, be provided with the heat exchanger 41 of heating in the heating cabinet 4, heating heat exchanger gas outlet 71 be connected to heating heat exchanger air inlet 72 after a heat power supply device 10 is connected, heat power supply device 10 can be flue gas, steam, electricity or the like, cooling is provided with cooling heat exchanger 73 in the storehouse 7, is provided with the second cloth air guide mechanism 5 between heating cabinet 4 and the reaction warehouse 6; The desorption gas outlet 82,83 of the first cloth air guide mechanism 3, the second cloth air guide mechanism 5 reclaims gas extraction pump 13 and is connected and carries out the desorption gas recovery with one respectively.Be provided with the 3rd cloth air guide mechanism 8, the three cloth air guide mechanisms 8 between cooling storehouse 7 and the outlet blocking valve 9 and be provided with a gas purging mouth 81, feed inert gases such as carbon dioxide or nitrogen in the gas purging mouth 81.
In the utility model, as Fig. 7, Fig. 8, shown in Figure 9, cloth air guide mechanism 3,5,8 is made up of with horizontally-arranged member 33 the chevron shaped vertical setting of types member 32 of a plurality of straight flanges, and the chevron shaped angle 35 of vertical setting of types member 32 is 45～70 degree, and the spacing between the vertical setting of types member 32 is 400-800mm.Desorption gas outlet 83 more than 2 is set on the vertical setting of types member 32.
In the utility model, as Fig. 2, Fig. 3, shown in Figure 5, preheating heat exchanger 21, the heat exchanger 41 of heating, cooling heat exchanger 73 all adopt fin heat exchanger tube A1, the general structure that adopts as shown in Figure 3 of fin heat exchanger tube A1, be provided with left collection chamber A2 at the heat exchanger tube two ends, right collection chamber A3, the fin on the heat exchanger tube A1 is in the same vertical plane as shown in Figure 5.Like this ought be as shown in Figure 4, fin heat exchanger tube A1 adopts rectangular arranged, be arranged on the same vertical plane, one was difficult for being broken up when activated coke moved down, and two can more easy pass through heat exchanger, for being staggered in original patent, for same disposal ability, the volume that heat exchanger tube takies will greatly reduce, thereby has also reduced the size of equipment, has cut down equipment investment.
Fig. 6 shows the structure of another heat exchanger tube, and heat exchanger tube is serpentine bend, only is provided with air inlet and gas outlet at head end and tail end, also can reach the heat exchanger tube effect of Fig. 3 after a plurality of like this snakelike heat exchange tubes are arranged in proper order.
In the utility model, reactor body and each heat exchanger both can all adopt corrosion resistant stainless steel to make, and also can only adopt stainless steel to the heat exchanger tube that is in high temperature section and other parts adopt carbon steels to make.Import blocking valve 1, the outlet blocking valve 9 preferential patented products " solid material rotary valve " that adopt the utility model people in this patent, (application number 2,007 1 00 19300.4), this rotary valve closes closed procedure does not have the shearing phenomenon, wearing and tearing are slight, help to keep rotary valve bubble-tight stable, promptly air-tightness can not reduce because of the prolongation of valve service time.Do not have the shearing phenomenon in the rotary valve running, drive motors need not overcome shearing force, and power consumption is little; It is slight to wear and tear in the rotary valve course of work, long service life; Sealing surface need not carry out expensive wear-resisting process, and the rotary valve cost is low.
Embodiment 1:
Adopt steam as the desorption thermal source, promptly heat source system 10 is a Steam Heating.The heat exchanger 41 of heating adopts structure shown in Figure 6, and the steam of heating cabinet 4 directly enters from heating heat exchanger air inlet 72, goes out from heating heat exchanger gas outlet 71, and the steam after using is middle pressure steam, is used for industrial production according to the actual needs of engineering.Obtain heating when cooling medium cools off activated coke in the cooling storehouse 7, enter preheating heat exchanger air inlet 52 by cooling heat exchanger gas outlet 61, activated coke is preheated in preheating storehouse 2, medium obtains cooling simultaneously, further cool off by external circulatory mediator heat exchanger 11, obtain lower temperature, enter cooling storehouse 7 by circulating pump 12 circulations.In the thermal cycle, medium can inert gas or air.
The activated coke desorb need be carried out under sealing and oxygen free condition, import blocking valve 1, outlet blocking valve 9 at reactor body increase inert gas seal, the puff prot that angle makes progress slightly promptly is set around the valve of blocking valve, eject high velocity air from it, realize sealing thereby import and export the local inert gas space that forms like this.
Efficient in order to guarantee desorption, need feed inert gas from the gas purging mouth 81 that the 3rd cloth air guide mechanism 8 is provided with, its gas can adopt nitrogen, but the operating cost height perhaps adopts the very low gas of oxygen content.
When system operated, activated coke entered from import blocking valve 1, behind desorption reaction device body, flowed out from outlet blocking valve 9, continued on for adsorption desulfurize.Can realize the accurate control of regeneration temperature parameter by adjusting, by desorption gas aspiration pump 13 control reactor body internal pressure parameters, optimize operation simultaneously, reach efficient desorption steam, recuperated gas flow.
Embodiment 2:
Adopting electricity is that heat source system 10 is electrical heating as the desorption thermal source, heating cabinet heat exchanger 41 adopts structure shown in Figure 3, all the other are with embodiment 1, like this, the heat transferring medium that is come out by the heating heat exchanger gas outlet 71 of heating cabinet 4 directly enters heat source system 10 and carries out electrical heating, add through electricity and to enter heating cabinet 4 by heating heat exchanger gas outlet 72 after device control is warmed up to about 500 ℃, activated coke is heated, reach desorption temperature.Heat transferring medium can be air or inert gas.The sealing of device, the extraction of desorption gas is with embodiment 1.
In this patent, if each self-corresponding heat exchanger in preheating storehouse 2, heating cabinet 4, the cooling storehouse 7 (preheating heat exchanger 21, the heat exchanger 41 of heating, cooling storehouse heat exchanger 73) all uses identical heat transferring medium, as steam etc., then can directly cooling heat exchanger gas outlet 61 be connected with heating heat exchanger air inlet 72, heating heat exchanger gas outlet 71 is connected with preheating heat exchanger air inlet 52, preheating heat exchanger exhaust outlet 51 is connected with circulatory mediator heat exchanger 11, and then is connected to and enters cooling heat exchanger air inlet 62 on the circulating pump 12 at last.At this moment, just do not needed extra increase heat source system 10.Like this in actual engineer operation, the pipeline tube side is short, flows to fairly simplely, and the efficient of heat energy utilization is also very high.
After rationally assembling, can realize this patent the desorption and regeneration of extensive activated coke.Import and export the heat transferring medium of the desorption reaction device body of this patent in parallel; desorption gas outlet carrying out parallel connection; distribute the heat transferring medium that enters desorption reaction device body by control; can realize the regeneration of extensive activated coke; perhaps in desorption reaction device body, carry out the combination of heat exchange unit; adopt the modes of importing and exporting more, realize the maximization of desorption reaction device.Thereby can finish large scale industry device flue gas or discarded processing.
Claims (6)
1, a kind of equipment that is used to reclaim activated coke, comprise a reactor body, be linked in sequence by import blocking valve, heating cabinet, reaction warehouse, cooling storehouse, outlet blocking valve from top to bottom in the described reactor body, be provided with the heat exchanger of heating in the described heating cabinet, the described heat exchanger of heating is connected with a heat power supply device, cooling is provided with cooling heat exchanger in the storehouse, it is characterized in that:
Be provided with a preheating storehouse between described import blocking valve and heating cabinet, described preheating storehouse is provided with preheating heat exchanger, and a described preheating heat exchanger and a circulatory mediator heat exchanger, a circulating pump and cooling heat exchanger form a heat circulating system; Be provided with the first cloth air guide mechanism between described preheating storehouse and the heating cabinet, be provided with the second cloth air guide mechanism between heating cabinet and the reaction warehouse; The described first cloth air guide mechanism, the second cloth air guide mechanism reclaim gas extraction pump and are connected and carry out the desorption gas recovery with one respectively.
2, a kind of equipment that is used to reclaim activated coke according to claim 1 is characterized in that: be provided with the 3rd cloth air guide mechanism between described cooling storehouse and the outlet blocking valve, the 3rd cloth air guide mechanism is provided with a gas purging mouth.
3, a kind of equipment that is used to reclaim activated coke according to claim 1 and 2, it is characterized in that: described cloth air guide mechanism is made up of the chevron shaped member of a plurality of straight flanges, and the chevron shaped angle of described member is 45～70 degree.
4, a kind of equipment that is used to reclaim activated coke according to claim 3 is characterized in that: feed carbon dioxide or nitrogen in the described gas purging mouth.
5, a kind of equipment that is used to reclaim activated coke according to claim 1, it is characterized in that: described preheating heat exchanger, the heat exchanger of heating, cooling heat exchanger all adopt the fin heat exchanger tube.
6, a kind of equipment that is used to reclaim activated coke according to claim 5 is characterized in that: described fin heat exchanger tube adopts rectangular arranged, is arranged on the same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200739821U CN201419072Y (en) | 2009-06-01 | 2009-06-01 | Device for recovering active coke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200739821U CN201419072Y (en) | 2009-06-01 | 2009-06-01 | Device for recovering active coke |
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| CN201419072Y true CN201419072Y (en) | 2010-03-10 |
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| CN2009200739821U Expired - Lifetime CN201419072Y (en) | 2009-06-01 | 2009-06-01 | Device for recovering active coke |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101584958B (en) * | 2009-06-01 | 2011-07-06 | 上海克硫环保科技股份有限公司 | Movable desorption device of activated coke |
| CN102730350A (en) * | 2012-07-12 | 2012-10-17 | 北京国电清新环保技术股份有限公司 | Relative closing device for granular material storage bins |
| CN106178813A (en) * | 2016-07-08 | 2016-12-07 | 中山市道享节能技术服务有限公司 | A kind of coal high-efficiency clean utilization system based on activated coke dry FGD process technology |
-
2009
- 2009-06-01 CN CN2009200739821U patent/CN201419072Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101584958B (en) * | 2009-06-01 | 2011-07-06 | 上海克硫环保科技股份有限公司 | Movable desorption device of activated coke |
| CN102730350A (en) * | 2012-07-12 | 2012-10-17 | 北京国电清新环保技术股份有限公司 | Relative closing device for granular material storage bins |
| CN102730350B (en) * | 2012-07-12 | 2015-01-07 | 北京国电清新环保技术股份有限公司 | Relative closing device for granular material storage bins |
| CN106178813A (en) * | 2016-07-08 | 2016-12-07 | 中山市道享节能技术服务有限公司 | A kind of coal high-efficiency clean utilization system based on activated coke dry FGD process technology |
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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: 20100310 Effective date of abandoning: 20090601 |