CN204830918U - Discharge fume heat energy system of waste heat of gangue brickmaking calcination tunnel cave retrieves - Google Patents
Discharge fume heat energy system of waste heat of gangue brickmaking calcination tunnel cave retrieves Download PDFInfo
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- CN204830918U CN204830918U CN201520582302.4U CN201520582302U CN204830918U CN 204830918 U CN204830918 U CN 204830918U CN 201520582302 U CN201520582302 U CN 201520582302U CN 204830918 U CN204830918 U CN 204830918U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model discloses a discharge fume heat energy system of waste heat of gangue brickmaking calcination tunnel cave retrieves and method, the flue gas that the all draught fans excessively of this department will be fired in the brick calcination tunnel cave is drawn forth, in order to reduce the temperature in the brickmaking calcination tunnel cave, make it to satisfy the control requirement, and the flue gas through drawing heats the heat transfer element heat pipe, this heat pipe of rethread feeds water heat transfer, make steamization become the steam, and send the steam that produces into agitating unit internal heating adobe raw materials, perhaps with the steam finished product brick that is used for drying, avoid its frost crack, can also regard as the heat source of heating, thereby reach the mesh to heat energy make full use of.
Description
Technical field
The utility model relates to a kind of energy recovery recycling equipment, is specifically related to a kind of heat energy system and the method that reclaim making coal gangue brick roasting tunnel kiln smoke discharging residual heat.
Background technology
Northern China winter temperature is lower, lower temperature has a significant impact technique of baking bricks, simultaneously, in order to recycling gangue, a lot of brick field is adopted gangue as one of material of baking bricks, but containing certain calorific value in gangue, often can cause again superthermal roasting phenomenon, have a strong impact on quality of baking bricks;
In prior art, making coal gangue brick calcining kiln produces flyash for wet ash discharge, binding material is gangue, brickmaking technology process is as follows, to flyash dehydration, is stored by feed bin, use batcher binding material, mix and stir (manually adding Steam Heating at cold district), making adobe, dry roasting also generates finished product stacking.Its production line has following shortcoming:
(1) in cold district agitating procedure, need to be equipped with special steam boiler, as produced the 3t/h steam boiler that 6,000 ten thousand pieces of standard bricks need to be equipped with per year, consumption mark coal amount 627kg/h; In combustion, discharge carbon dioxide 5755 tons/year, can form pollution to environment simultaneously;
(2) lower at cold district winter temperature, exposed adobe in an atmosphere can bursting by freezing, affect the quality of brick, do not reach building trade requirement standard.
(3) in roasting process, be difficult to avoid superthermal roasting phenomenon, due to tunnel kiln temperature, to exceed goods roasting temperature required, can reduce the product quality of fired brick like this, easily produce fracture or pattern cracking.
Utility model content
In order to overcome the problems referred to above, present inventor has performed and study with keen determination, design a kind of heat energy system and the method that reclaim making coal gangue brick roasting tunnel kiln smoke discharging residual heat, flue gas in burned brick roasting tunnel kiln is drawn by air-introduced machine by this system, to reduce the temperature in brickmaking roasting tunnel kiln, make it the requirement meeting production technology, and the flue gas passing through to draw is to heat pipes heat, water is transferred heat to again by this heat pipe, make to water is vaporized into water vapour, and the water vapour of generation is sent in agitating device and heats adobe raw material, or water vapour is dried finished bricks, avoid its bursting by freezing, as the thermal source of heating, making full use of heat energy can also be reached, thus complete the utility model.
Specifically, the purpose of this utility model is to provide following aspect:
(1) a kind of heat energy system reclaiming making coal gangue brick roasting tunnel kiln smoke discharging residual heat, it is characterized in that, the tunnel cave 9 that this heat energy system comprises baked 10 with to be arranged on above tunnel cave 9 and with it by heat pipe waste heat boiler body 6 that flue entrance 1 is communicated with, in described heat pipe waste heat boiler body 6, heat-pipe elements 14 is installed, described heat pipe waste heat boiler body 6 is also provided with the air-introduced machine 8 in order to heat smoke in tunnel cave 9 to be incorporated into heat pipe waste heat boiler body 6 inside.
(2) heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to above-mentioned (1), it is characterized in that, drum 2 is provided with above described heat pipe waste heat boiler body 6, described drum 2 is for being equipped with the sealed shell of tank of water, described heat-pipe elements 14 one end is arranged in described heat pipe waste heat boiler body 6, and the other end is arranged in described drum 2.
(3) heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to above-mentioned (1) or (2), it is characterized in that, described heat-pipe elements 14 is made up of multiple, be filled with heat-transfer working medium in each heat-pipe elements 14 inside, described working medium is easily vaporized.
(4) heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to above-mentioned (1) or (2), it is characterized in that, the outer wall being positioned at the heat-pipe elements 14 of heat pipe waste heat boiler body 6 inside is provided with helical fin 15.
(5) heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to above-mentioned (1), it is characterized in that, the power of described air-introduced machine 8 is adjustable, and namely described air-introduced machine 8 is also for regulating the flow of the flue gas of drawing in heat pipe waste heat boiler body 6.
(6) heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to above-mentioned (1), it is characterized in that, described air-introduced machine 8 controls exhaust gas temperature for the flow velocity being gone out flue gas by control flow check.
(7) heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to above-mentioned (1), it is characterized in that, described flue entrance 1 and air-introduced machine 8 lay respectively at the two ends of heat pipe waste heat boiler body 6, and the flue gas entered in heat pipe waste heat boiler body 6 is fully contacted with the heat-pipe elements 14 being arranged on heat pipe waste heat boiler body 6 inside.
(8) heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to above-mentioned (2), it is characterized in that, described drum 2 top is provided with steam (vapor) outlet 3, safety valve 4 and Pressure gauge 5, sewage draining valve 7 is provided with bottom described drum 2, in described drum 2 inside, the below of steam (vapor) outlet 3 is provided with steam-water separator 11, described drum 2 is also provided with the water feed apparatus 12 with water-level gauge 13.
(9) heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to above-mentioned (8), it is characterized in that, described steam (vapor) outlet 3 is connected with the agitating device in the equipment of baking bricks by jet chimney.
(10) a kind of, method reclaiming making coal gangue brick roasting tunnel kiln smoke discharging residual heat, it is characterized in that, the method adopts the heat energy system as the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat described in above-mentioned (1) ~ (9) to realize.
The beneficial effect that the utility model has comprises:
(1) heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat provided according to the utility model, this system controls the flue-gas temperature in brickmaking roasting tunnel kiln by air-introduced machine, the temperature in making coal gangue brick roasting tunnel kiln is made to maintain in optimum scope, avoid the superthermal roasting phenomenon that gangue heat release causes, ensure that the quality of brickmaking;
(2) heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat provided according to the utility model, the flue gas produced in brickmaking roasting tunnel kiln is drawn in order to heat hot tube elements by air-introduced machine by this system, and then by heat pipe, heat is passed in drum, water in heating drum, thus produce the use of steam supply stirring technique;
(3) heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat provided according to the utility model, this system instead of the steam boiler that tradition is equipped with, economize energy, saves space, reduces production cost.
Accompanying drawing explanation
Fig. 1 illustrates the heat energy system overall structure schematic diagram of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to a kind of preferred embodiment of the utility model;
Fig. 2 illustrates drum and the heat-pipe elements structural representation of the heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to a kind of preferred embodiment of the utility model;
Fig. 3 illustrates the heat-pipe elements structural representation of the heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to a kind of preferred embodiment of the utility model;
Drawing reference numeral illustrates:
1-flue entrance
2-drum
3-steam (vapor) outlet
4-safety valve
5-Pressure gauge
6-heat pipe waste heat boiler body
7-sewage draining valve
8-air-introduced machine
9-tunnel cave
10-adobe
11-steam-water separator
12-water feed apparatus
13-water-level gauge
14-heat-pipe elements
15-helical fin
16-adapter sleeve
Detailed description of the invention
Below by drawings and Examples, the utility model is further described.Illustrated by these, feature of the present utility model and advantage will become more explicit.
Word " exemplary " special here means " as example, embodiment or illustrative ".Here need not be interpreted as being better than or being better than other embodiment as any embodiment illustrated by " exemplary ".Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, accompanying drawing need not be drawn in proportion.
According to the heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat that the utility model provides, as Fig. 1, shown in 2, this system and making coal gangue brick calcining kiln match, especially match with the making coal gangue brick calcining kiln be arranged on as the Northeast's equitemperature lower ground district, this system is applicable to use at cold district, the great function of this system more can be embodied at cold district, when ambient temperature is lower, in brickmaking technology, whipping step needs to be equipped with steam boiler to improve temperature of charge, fully mix to make the raw materials such as gangue, stir, avoid affecting because ambient temperature is too low quality of baking bricks, and the system that the utility model provides can replace above-mentioned steam boiler, provide the steam required for it directly to stirring system, the energy needed for boiler can have been saved, decreasing pollution, the volume of the corollary equipments such as brickmaking calcining kiln can also be reduced, save space.In addition, the waste heat in tunnel cave can also be drawn and be avoided superthermal roasting phenomenon by the heat energy system that the utility model provides, and makes fired brick even heat, improves the quality of making coal gangue brick.
Specifically, as shown in Figure 1, Figure 2, the tunnel cave 9 that heat energy system disclosed in the utility model comprises baked 10 with to be arranged on above tunnel cave and with it by heat pipe waste heat boiler body 6 that flue entrance 1 is communicated with, in described heat pipe waste heat boiler body, heat-pipe elements 14 is installed, described heat pipe waste heat boiler body 6 is also provided with the air-introduced machine 8 in order to heat smoke in tunnel cave 9 to be incorporated into heat pipe waste heat boiler body interior.
Wherein, described flue entrance 1 and air-introduced machine 8 lay respectively at the two ends of heat pipe waste heat boiler body 6, the flue gas entered in heat pipe waste heat boiler body 6 is fully contacted with the heat-pipe elements 14 being arranged on heat pipe waste heat boiler body 6 inside, make heat-pipe elements absorb abundant heat, make full use of heat energy.
In one preferred embodiment, drum 2 is provided with above described heat pipe waste heat boiler body 6, described drum is the sealed shell of tank that water is housed, and described heat-pipe elements 14 one end is arranged in described heat pipe waste heat boiler body 6, and the other end is arranged in described drum 2.Specifically, heat-pipe elements comprises heat absorbing end and release end of heat, and being positioned at heat pipe waste heat boiler intrinsic is heat absorbing end, and what be positioned at drum 2 is release end of heat.
In further preferred embodiment, described heat-pipe elements 14 has multiple, and often propping up heat-pipe elements 14 is all hermetically-sealed construction, and its inside fills a certain amount of working medium, and each heat-pipe elements is independently.Described heat pipe has high heat conductivility the first year, it is by Totally enclosed vacuum pipe, evaporation and the condensation of working medium carry out transferring heat, heat absorbing end absorbs the heat of hot fluid, and transfer heat to intraductal working medium, after working medium heat absorption with the formal transformation of evaporation and boiling for steam, steam rises to release end of heat because of differential pressure action, condense into liquid and release the latent heat of vaporization simultaneously, heat passes to the cold fluid of cold side again.Shell material is 20
#solid drawn tube, working medium is water-ethanol, has high thermal conductivity and good isothermal.
The advantage of described heat-pipe elements comprises compact conformation, volume is little, safe and reliable, heat transfer efficiency is high, and fluid resistance damage is little, compared with general gas-vapour heat exchanger, its weight be only its 1/2 ~ 2/3, appearance and size is only 1/2 ~ 2/3, if when having several heat-pipe elements to lose efficacy, do not affect the normal circulation of gas-vapour system, need not parking maintenance for this reason.
In further preferred embodiment, in heat pipe waste heat boiler body 6, heat-pipe elements 14 is all vertically set, substantially parallel to each other between each heat-pipe elements, multiple heat-pipe elements can staggered also can parallel arrangement, heat exchange degree as required and ventilation can adjust distance between above-mentioned arrangement mode and heat-pipe elements.
In further preferred embodiment, the outer wall being positioned at the heat-pipe elements 14 of heat pipe waste heat boiler body 6 inside is provided with helical fin 15, namely heat absorbing end outer wall is provided with helical fin 15, described helical fin 15 adopts high-frequency welding manner to be welded on outer wall, in order to expand the heat exchange area of heat-pipe elements heat absorbing end, convection transfer rate is had large increase, so effectively strengthen the heat convection of heat-pipe elements, overall heat-transfer coefficient is significantly improved, the heat-transfer pipe quantity of heat pipe waste heat boiler can be made to reduce significantly, further, inside heat pipe is processed into spiral grooves, wherein helical angle and pitch can adjust easily in process, change, to adapt to different heat transfer mediums, and take into account flow resistance.
In further preferred embodiment, heat-pipe elements outside is also provided with adapter sleeve 16, described adapter sleeve is arranged at release end of heat, described adapter sleeve has antiwear effect, it is through the shell of drum, play the sealing function to drum and heat-pipe elements junction simultaneously, especially when heat transfer heat pipe element 14 welds with drum 2 wall, the vacuum of heat-pipe elements 14 and the sealing of drum 2 can be ensured.
In one preferred embodiment, the power of described air-introduced machine 8 is adjustable, and namely described air-introduced machine 8 is also for regulating the flow velocity of the flue gas of drawing in heat pipe waste heat boiler body 6.Further, described air-introduced machine 8 controls exhaust gas temperature for the flow velocity being gone out flue gas by control flow check.Preferably, temperature detection device is provided with in described tunnel cave 9, the temperature in tunnel cave 9 is measured in real time by this temperature detection device, due to adobe in sintering process along with the difference in stage, the temperature needed also is different, can immediately improve power by air-introduced machine or reduce power to regulate the temperature in tunnel cave, and then improve quality of baking bricks.
Further, in the tunnel cave that can pre-set expectation, the relation of temperature and time, regulates the temperature in tunnel cave automatically by automatic control system.
In the utility model preferably, the flow control of flue gas at about 10m/s, exhaust gas temperature controls at 120 ~ 110 DEG C, fully can meet the manufacturing technique requirent of making coal gangue brick roasting tunnel kiln fired brick like this, the size of air outlet sectional area of described air-introduced machine is relevant with the size of the size of air-introduced machine and tunnel cave, suitably can adjust the relation between sectional area size and flow velocity, the utility model its object is to control exhaust gas temperature by flow velocity, as long as the exhaust gas temperature recorded meets the requirements.
In one preferred embodiment, described drum 2 top is provided with steam (vapor) outlet 3, safety valve 4 and Pressure gauge 5, sewage draining valve 7 is provided with bottom described drum 2, in described drum 2 inside, the below of steam (vapor) outlet 3 is provided with steam-water separator 11, described drum 2 is also provided with the water feed apparatus 12 with water-level gauge 13, in drum, note a certain amount of water in real time by water feed apparatus 12, steam can be produced continuously.
In one preferred embodiment, described steam (vapor) outlet is connected with the agitating device in the equipment of baking bricks by jet chimney, the steam of generation is used for stirring technique, eliminate in stirring technique and need matching used boiler, economize energy, reduce costs the floor space that can also reduce equipment, optimized device structure.Certainly, above-mentioned steam (vapor) outlet can also be connected with other heating systems, such as by steam Transportation to heating system etc. so that make full use of thermal source.
According to a kind of method reclaiming making coal gangue brick roasting tunnel kiln smoke discharging residual heat that the utility model provides, it is characterized in that, the method adopts the heat energy system as above-mentioned recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat to realize,
The method comprises the steps:
(1) to water filling in drum;
(2) air-introduced machine is started, by controlling the flue-gas temperature in the ventilation adjustment brickmaking roasting tunnel kiln of air-introduced machine;
(3) by the steam Transportation produced in drum to the agitating device in the equipment of baking bricks for stirring technique provides thermal source;
Or, steam Transportation to the heating system that drum produces also be can be used for the finished bricks of stacking insulation or heating.
Choose the tunnel furnace production line that is produced per year 6,000 ten thousand pieces of standard bricks, this production line adds the heat energy system of the recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat that the utility model provides, owing to eliminating the steam generator system that this production line is equipped with, standard coal 2257 tons can be saved every year, annual minimizing CO2 emissions 5755 tons, above-mentioned data are enough to explanation, the economic benefit of the utility model patent and social benefit, in addition, by have adjusted the temperature in roasting tunnel kiln, the quality making brick by gangue there has also been and significantly improves.
More than combine and preferred embodiment the utility model is illustrated, but these embodiments are only exemplary, only play illustrative effect.On this basis, can carry out multiple replacement and improvement to the utility model, these all fall in protection domain of the present utility model.
Claims (9)
1. one kind is reclaimed the heat energy system of making coal gangue brick roasting tunnel kiln smoke discharging residual heat, it is characterized in that, the tunnel cave (9) that this heat energy system comprises baked (10) be arranged on tunnel cave (9) top and with it by heat pipe waste heat boiler body (6) that flue entrance (1) is communicated with, in described heat pipe waste heat boiler body (6), heat-pipe elements (14) is installed, described heat pipe waste heat boiler body (6) is also provided with in order to heat smoke in tunnel cave (9) to be incorporated into the inner air-introduced machine (8) of heat pipe waste heat boiler body (6).
2. the heat energy system of recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to claim 1, it is characterized in that, described heat pipe waste heat boiler body (6) top is provided with drum (2), described drum (2) is for being equipped with the sealed shell of tank of water, described heat-pipe elements (14) one end is arranged in described heat pipe waste heat boiler body (6), and the other end is arranged in described drum (2).
3. the heat energy system of recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to claim 1 and 2, it is characterized in that, described heat-pipe elements (14) has multiple, and be filled with working medium in each heat-pipe elements (14) inside, described working medium is easily vaporized.
4. the heat energy system of recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to claim 1 and 2, it is characterized in that, the outer wall being positioned at the inner heat-pipe elements (14) of heat pipe waste heat boiler body (6) is provided with helical fin (15).
5. the heat energy system of recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to claim 1, it is characterized in that, the power of described air-introduced machine (8) is adjustable, and namely described air-introduced machine (8) is also for regulating the flow of the flue gas of drawing in heat pipe waste heat boiler body (6).
6. the heat energy system of recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to claim 5, is characterized in that, described air-introduced machine (8) controls exhaust gas temperature for the flow velocity being gone out flue gas by control flow check.
7. the heat energy system of recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to claim 1, it is characterized in that, described flue entrance (1) and air-introduced machine (8) lay respectively at the two ends of heat pipe waste heat boiler body (6), and the flue gas entered in heat pipe waste heat boiler body (6) is fully contacted with the heat-pipe elements (14) being arranged on heat pipe waste heat boiler body (6) inside.
8. the heat energy system of recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to claim 2, it is characterized in that, steam (vapor) outlet (3), safety valve (4) and Pressure gauge (5) is provided with at described drum (2) top, described drum (2) bottom is provided with sewage draining valve (7), in described drum (2) inside, the below of steam (vapor) outlet (3) is provided with steam-water separator (11), described drum (2) is also provided with the water feed apparatus (12) with water-level gauge (13).
9. the heat energy system of recovery making coal gangue brick roasting tunnel kiln smoke discharging residual heat according to claim 8, it is characterized in that, described steam (vapor) outlet (3) is connected with the agitating device in the equipment of baking bricks by jet chimney.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520582302.4U CN204830918U (en) | 2015-08-05 | 2015-08-05 | Discharge fume heat energy system of waste heat of gangue brickmaking calcination tunnel cave retrieves |
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| CN201520582302.4U CN204830918U (en) | 2015-08-05 | 2015-08-05 | Discharge fume heat energy system of waste heat of gangue brickmaking calcination tunnel cave retrieves |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091616A (en) * | 2015-08-05 | 2015-11-25 | 保定市金能换热设备有限公司 | System and method for recycling waste heat energy of exhausted smoke of coal gangue brick-making roasting tunnel kiln |
| CN108800962A (en) * | 2018-07-01 | 2018-11-13 | 陆永柱 | For the recoverable waste heat recovery control system of rotary tunnel oven heat |
| CN110118492A (en) * | 2019-05-30 | 2019-08-13 | 四川国立能源科技有限公司 | UTILIZATION OF VESIDUAL HEAT IN production system based on super inner combustion sintering brick tunnel oven |
-
2015
- 2015-08-05 CN CN201520582302.4U patent/CN204830918U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091616A (en) * | 2015-08-05 | 2015-11-25 | 保定市金能换热设备有限公司 | System and method for recycling waste heat energy of exhausted smoke of coal gangue brick-making roasting tunnel kiln |
| CN108800962A (en) * | 2018-07-01 | 2018-11-13 | 陆永柱 | For the recoverable waste heat recovery control system of rotary tunnel oven heat |
| CN110118492A (en) * | 2019-05-30 | 2019-08-13 | 四川国立能源科技有限公司 | UTILIZATION OF VESIDUAL HEAT IN production system based on super inner combustion sintering brick tunnel oven |
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