CN205065767U - High temperature flue gas rapid cooling equipment - Google Patents
High temperature flue gas rapid cooling equipment Download PDFInfo
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- CN205065767U CN205065767U CN201520691200.6U CN201520691200U CN205065767U CN 205065767 U CN205065767 U CN 205065767U CN 201520691200 U CN201520691200 U CN 201520691200U CN 205065767 U CN205065767 U CN 205065767U
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- liquid
- temperature flue
- storage tank
- atomizing nozzle
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 239000003546 flue gas Substances 0.000 title claims abstract description 116
- 238000001816 cooling Methods 0.000 title abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 116
- 238000010791 quenching Methods 0.000 claims abstract description 96
- 239000007789 gas Substances 0.000 claims abstract description 70
- 230000000171 quenching effect Effects 0.000 claims description 88
- 239000000110 cooling liquid Substances 0.000 claims description 35
- 239000002826 coolant Substances 0.000 claims description 16
- 239000000779 smoke Substances 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 235000019504 cigarettes Nutrition 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 10
- 238000011282 treatment Methods 0.000 description 10
- 239000000428 dust Substances 0.000 description 9
- 238000000889 atomisation Methods 0.000 description 6
- 239000004071 soot Substances 0.000 description 6
- 238000010992 reflux Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model provides a high temperature flue gas rapid cooling equipment. This equipment includes: the quench tower, supply the liquid device, supply the liquid device with the quench tower links to each other, atomizing nozzle, atomizing nozzle sets up on the quench tower, and controlling means, controlling means links to each other with quench tower and confession liquid device respectively, and wherein, the quench tower includes: the rapid cooling space is injectd by the body in, the flue gas entry, a temperature element, a temperature element links to each other with the flue gas entry, a flue gas outlet. The 2nd temperature element, the 2nd temperature element links to each other with the exhanst gas outlet, supply the liquid device to include: the liquid storage pot, feed liquid inlet, feed liquid inlet setting are and link to each other with atomizing nozzle on the liquid storage pot, supply the liquid control valve, supply the liquid control valve to set up between feed liquid inlet and atomizing nozzle, and controlling means links to each other with a temperature element, the 2nd temperature element and confession liquid control valve respectively. From this, can improve the rapid cooling effect of this equipment to the high temperature flue gas.
Description
Technical Field
The utility model relates to a chemical industry field, specifically, the utility model relates to a high temperature flue gas rapid cooling equipment.
Background
In the process of burning metallurgy, garbage, dangerous waste and the like, devices such as a metallurgical furnace, an incinerator and the like can generate high-temperature smoke. Before subsequent treatments such as dry dedusting and the like are carried out on the high-temperature flue gas, the high-temperature flue gas needs to be cooled. However, in the process of cooling the high-temperature flue gas, dioxin is easily generated, and further pollution is caused to the environment. Therefore, the high-temperature flue gas needs to be quenched to avoid the generation of dioxin during the cooling process.
However, the design of the current high-temperature flue gas quenching equipment and the effect of quenching treatment on high-temperature flue gas by using the equipment still need to be improved.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
The present application is based on the discovery and recognition by the inventors of the following facts and problems:
the existing high-temperature flue gas quenching equipment has the problems of large flue gas temperature fluctuation after cooling, poor atomization effect of an atomizing nozzle, high fault rate of an industrial system and the like generally, and the problem that the atomizing nozzle is cut off and further cannot effectively cool high-temperature flue gas due to the fault of a detection instrument element, so that the accident of burning the equipment sometimes occurs. The inventor finds that the existing high-temperature flue gas quenching equipment is generally too simple in design and various devices in the equipment cannot timely adjust relevant parameters according to the actual cooling condition of the high-temperature flue gas.
In view of this, the utility model provides a high temperature flue gas rapid cooling equipment. Specifically, the apparatus includes: the quenching tower is suitable for cooling the high-temperature flue gas by using the atomized cooling liquid; the liquid supply device is connected with the quenching tower and is used for supplying the cooling liquid into the quenching tower; an atomizing nozzle provided in the quenching tower for supplying the atomized cooling liquid into the cooling tower; and the control device is respectively connected with the quenching tower and the liquid supply device, wherein the quenching tower comprises: the body is internally provided with a quenching space for cooling the high-temperature flue gas by using the atomized cooling liquid; a flue gas inlet provided on the body for supplying the high temperature flue gas into the quenching space; the first temperature measuring element is connected with the flue gas inlet and is used for detecting the temperature of the high-temperature flue gas supplied to the quenching space; the flue gas outlet is arranged on the body and used for discharging the cooled high-temperature flue gas out of the quenching space; and a second temperature measuring element connected to the flue gas outlet for detecting the temperature of the high temperature flue gas cooled by the quenching space, the liquid supply device comprising: the liquid storage tank is used for containing the cooling liquid; a liquid supply port provided on the liquid storage tank and connected to the atomizing nozzle for supplying the cooling liquid into the quenching space; a liquid supply control valve disposed between the liquid supply port and the atomizing nozzle; and the control device is respectively connected with the first temperature measuring element, the second temperature measuring element and the liquid supply control valve and is used for controlling the liquid supply control valve based on the detection results of the first temperature measuring element and the second temperature measuring element. Therefore, the quenching treatment of the high-temperature flue gas can be completed through the components and the device, the temperature measurement elements are used for detecting relevant parameters, corresponding valves are controlled according to detection results, and the quenching effect of the equipment on the high-temperature flue gas is further improved.
Specifically, the apparatus further comprises: a gas supply device, the gas supply device comprising: a gas tank for containing compressed gas; the gas supply port is arranged on the gas storage tank and is connected with the atomizing nozzle so that the atomizing nozzle can atomize the cooling liquid by using the compressed gas; and a gas supply control valve that is provided between the gas supply port and the atomizing nozzle and is connected to the control device, wherein the control device controls the gas supply control valve based on the detection results of the first temperature measuring element and the second temperature measuring element so that the coolant is completely atomized and evaporated in the quenching space. Therefore, the cooling effect of the atomized cooling liquid provided by the atomizing nozzle on the high-temperature flue gas can be further improved through the gas supply device, and the quenching effect of the equipment on the high-temperature flue gas is further improved.
Specifically, the apparatus further comprises: the pressure measuring element is respectively connected with the liquid storage tank and the control device, and is arranged between the liquid storage tank and the atomizing nozzle; the liquid flow meter is connected with the liquid storage tank and the control device and is used for detecting the flow of the cooling liquid supplied to the quenching tower; the liquid level meter is respectively connected with the liquid storage tank and the control device and is used for detecting the liquid level in the liquid storage tank; and the gas flowmeter is respectively connected with the gas storage tank and the control device and is used for detecting the gas flow of the gas supply device. Therefore, the flow rate of the liquid supplied by the liquid supply device and the flow rate of the gas supplied by the gas supply device can be controlled according to the actual cooling condition of the high-temperature flue gas in the quenching tower, and the quenching effect of the equipment on the high-temperature flue gas is further improved.
Specifically, in the apparatus, the body in the quenching tower comprises: a reducing section having a sectional diameter gradually increasing from top to bottom, the atomizing nozzle being disposed on the reducing section; a straight cylinder section provided at a lower portion of the variable diameter section and having a constant sectional diameter; the first ring pipe is arranged on the outer wall of the straight cylinder section and is respectively connected with the liquid supply port and the atomizing nozzle; the second ring pipe is arranged on the outer wall of the straight cylinder section and is respectively connected with the air supply port and the atomizing nozzle; a first collar load cell disposed on the first collar and connected to the control device; and a second collar load cell disposed on the second collar and connected to the control device. Therefore, the efficiency of atomizing the cooling liquid by using the gas supplied by the gas supply device and the liquid supplied by the liquid supply device can be further improved through the elements, and the efficiency and the effect of rapidly cooling the high-temperature flue gas by using the atomized cooling liquid are further improved.
Specifically, the quenching tower of the equipment further comprises: a plurality of the atomizing nozzles evenly distributed over the same cross-section of the reducer section; a plurality of coolant exit holes evenly distributed on the first collar; and the plurality of compressed gas outlet holes are evenly distributed on the second ring pipe, wherein the plurality of atomizing nozzles, the plurality of cooling liquid outlet holes and the plurality of compressed gas outlet holes are the same in number and are in one-to-one correspondence. Therefore, a plurality of atomizing nozzles which are uniformly distributed can be formed in the quenching tower, and the efficiency and the effect of cooling high-temperature flue gas by the quenching tower are improved.
Specifically, the apparatus further comprises: a filter disposed between the fluid supply port and the first collar; a centrifugal pump disposed between the filter and the first collar, the centrifugal pump being connected to the control device; and the return pipeline is respectively connected with the liquid storage tank and the centrifugal pump. Therefore, the energy utilization efficiency of the liquid supply device can be improved, the stable supply of the cooling liquid is ensured, and the quenching effect of the equipment on the high-temperature flue gas is further improved.
Specifically, the apparatus further comprises: a plurality of said filters, and said plurality of filters are arranged in parallel; a plurality of said centrifugal pumps, and said plurality of centrifugal pumps are arranged in parallel; a differential pressure gauge disposed between the filter and the fluid supply port; shut-off valves disposed between the differential pressure gauge and the filter, between the centrifugal pump and the filter, and between the centrifugal pump and the first loop pipe; and a check valve disposed between the centrifugal pump and the shut-off valve. Therefore, the damage of the centrifugal pump and the atomizing nozzle caused by impurities in the cooling liquid can be avoided, and the efficiency of treating high-temperature flue gas by the high-temperature flue gas quenching equipment is improved.
Specifically, in the equipment, one side of the centrifugal pump, which is far away from the filter, is connected with the liquid storage tank, and a return valve is arranged between the centrifugal pump and the liquid storage tank. Therefore, the cooling liquid can flow back to the liquid storage tank, so that the safety of the liquid supply device is ensured, and the energy utilization efficiency of the liquid supply device is improved.
Specifically, the apparatus further comprises: the ash discharging port is arranged at the bottom of the body; a grate disposed at a bottom of the quench space; a manhole disposed on a sidewall of the quench tower and above the grid; the ash feeding port of the ash conveyor is connected with the ash discharging port; and the discharger is connected with the discharge hole of the cigarette ash conveyor. Therefore, the treatment effect of the equipment on smoke dust generated in the process of cooling high-temperature smoke can be improved, so that related elements or devices are prevented from being blocked by the smoke dust, and the service life of the equipment is prolonged.
Specifically, the first temperature measuring element and the second temperature measuring element each independently include a plurality of thermometers. Therefore, the quenching effect of the equipment on high-temperature flue gas can be further improved.
Drawings
Fig. 1 shows a schematic structural view of a high-temperature flue gas quenching apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a part of a high temperature flue gas quenching apparatus according to another embodiment of the present invention;
FIG. 3 is a schematic diagram showing a part of a high temperature flue gas quenching apparatus according to another embodiment of the present invention;
FIG. 4 is a schematic diagram showing a part of a high temperature flue gas quenching apparatus according to another embodiment of the present invention;
FIG. 5 shows a schematic top view along line A-A of FIG. 4 of a high temperature flue gas chilling apparatus according to yet another embodiment of the present invention;
FIG. 6 shows a schematic top view of a high temperature flue gas chilling apparatus according to yet another embodiment of the present invention along line B-B of FIG. 4; and
FIG. 7 shows a schematic top view of a high temperature flue gas chilling apparatus according to yet another embodiment of the present invention along line C-C of FIG. 4;
reference numerals:
100: flue gas inlet
200: quench tower
202: reducing section
203: straight cylinder section
206: ash discharge port
207: first ring pipe
208: second ring pipe
209. 212, and (3): atomizing nozzle
210. 213: a liquid control valve group; 211. 214: gas control valve group
215: grid
216: manhole
240: body
300: flue gas outlet
400: cigarette ash conveyor
500: discharging device
600: liquid supply device
601: liquid storage tank
602: liquid supply control valve
603. 604: filter
605. 607: a centrifugal pump; 606. 608: variable frequency speed regulator
609: a reflux valve; 611. 612: check valve
610: liquid supply port
700: gas supply device
701: gas storage tank
702: air supply control valve
703: air supply port
800: control device
1001. 2001: a temperature measuring element; 3001 to 3003: load cell
4001: liquid level meter
5001. 5002: a flow meter; 6001: differential pressure gauge
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The present application is based on the discovery and recognition by the inventors of the following facts and problems:
the existing high-temperature flue gas quenching equipment has the problems of large flue gas temperature fluctuation after cooling, poor atomization effect of an atomizing nozzle, high fault rate of an industrial system and the like generally, and the problem that the atomizing nozzle is cut off and further cannot effectively cool high-temperature flue gas due to the fault of a detection instrument element, so that the accident of burning the equipment sometimes occurs. The inventor finds that the existing high-temperature flue gas quenching equipment is generally too simple in design and various devices in the equipment cannot timely adjust relevant parameters according to the actual cooling condition of the high-temperature flue gas. For example, the cooling water is atomized by using the atomizing nozzle, and the atomized cooling water cannot be effectively controlled according to the actual cooling condition of the high-temperature flue gas in the process of rapidly cooling the high-temperature flue gas, so that the temperature fluctuation of the cooled flue gas is large. Moreover, each device and component of the existing high-temperature flue gas quenching equipment lack effective association, and related parameters cannot be adjusted according to the actual working condition of the equipment and the running condition of each device, so that the atomization effect of the atomizing nozzle is poor, and an industrial system is broken down when the atomization effect is serious.
In view of this, the utility model provides a high temperature flue gas rapid cooling equipment. According to the utility model discloses an embodiment, referring to fig. 1, this equipment includes: a quenching tower 200, a liquid supply device 600, an atomizing nozzle 209 and a control device 800. The quenching tower 200 performs quenching treatment on the high-temperature flue gas by using atomized cooling liquid supplied from an atomizing nozzle 209 provided in the quenching tower 200. The liquid supply device 600 is connected to the quenching tower 200 and supplies the cooling liquid to the quenching tower 200. Meanwhile, the control unit 800 is connected to the quenching tower 200 and the liquid supply unit 600, respectively. Specifically, according to the embodiment of the present invention, the quenching tower 200 includes: a body 240, the body 240 defining a quench space therein; the flue gas inlet 100 is arranged on the body 240, the flue gas inlet 100 supplies high-temperature flue gas to the quenching space, and the first temperature measuring element 1001 is connected with the flue gas inlet 100 and is used for detecting the temperature of the high-temperature flue gas supplied to the quenching space; the flue gas outlet 300, the flue gas outlet 300 is arranged on the body 240 and is used for discharging the cooled high-temperature flue gas out of the quenching space, and the second temperature measuring element 2001 is connected with the flue gas outlet 300 and is used for detecting the temperature of the flue gas discharged out of the quenching space. The liquid supply apparatus 600 includes: the liquid storage tank 601, the liquid storage tank 601 is used for storing the cooling liquid; the liquid supply port 610 is arranged on the liquid storage tank 601 and is connected with the atomizing nozzle 209; the liquid supply control valve 602, the liquid supply control valve 602 is provided between the liquid supply port 610 and the atomizing nozzle 209. According to the embodiment of the present invention, in the liquid supply device 600, the cooling liquid may be clean water, recycled water or waste water, and may also be an alkaline solution, such as sodium hydroxide or sodium bicarbonate. When the cooling liquid is alkaline solution, the alkaline substance can react with the acidic components such as sulfur dioxide in the flue gas while the high-temperature flue gas is treated, so that the purpose of removing the acidic components is achieved. The controller 800 is connected to the first temperature measuring element 1001, the second temperature measuring element 2001, and the liquid supply control valve 602, and controls the liquid supply control valve based on the temperature detection results provided by the first temperature measuring element 1001 and the second temperature measuring element 2001. Further, according to an embodiment of the present invention, the first temperature measuring element 1001 and the second temperature measuring element 2001 may independently include a plurality of thermometers, respectively. Therefore, the parameters of the quenching tower 200 and the relevant components in the liquid supply device 600 can be adjusted by the control device 800 according to the actual cooling condition of the high-temperature flue gas in the quenching tower 200, so as to improve the quenching efficiency and effect of the quenching tower 200 on the high-temperature flue gas. In the present invention, the term "high temperature flue gas" is flue gas which is generated in the process of metallurgy, incineration of garbage and hazardous waste, etc. and has a relatively high temperature and requires a cooling process, and the specific temperature of "high temperature flue gas" is not particularly limited. For example, according to the embodiment of the invention, the equipment is used for carrying out quenching treatment on the high-temperature flue gas, so that the high-temperature flue gas with the temperature of 500-1200 ℃ can be cooled to 120-400 ℃ in a short time. And because the utility model discloses an equipment can utilize controlling means 800 to in time adjust the relevant parameter of the relevant component of high temperature flue gas rapid cooling in-process, consequently this equipment does not produce waste water when handling the high temperature flue gas, and discharged smoke and dust is dry smoke and dust, and then makes according to the utility model discloses characteristics such as equipment is effectual, energy-conserving high efficiency according to the idol cooling.
Furthermore, according to an embodiment of the present invention, the apparatus may further have a gas supply device 700. Specifically, referring to fig. 2, the gas supply device 700 includes: an air tank 701, an air supply port 703, and an air supply control valve 702. Wherein, according to an embodiment of the present invention, the gas storage tank 703 is used for containing compressed gas; a gas supply port 703 is provided on the gas tank 702 and connected to the atomizing nozzle 209 to atomize the coolant with the compressed gas; the air supply control valve 702 is arranged between the air supply port 703 and the atomizing nozzle 209 and connected with the controller 800, so that the controller 800 controls the on-off of the air supply control valve 702 according to the detection results of the first temperature measuring element 1001 and the second temperature measuring element 2001, when the high-temperature flue gas cannot be cooled to reach a predetermined temperature by the atomized cooling liquid provided by the atomizing nozzle 209, the air supply control valve 702 is opened to provide compressed gas to the atomizing nozzle 209, so that the cooling liquid is completely atomized and evaporated in the quenching space, and the quenching treatment effect on the high-temperature flue gas in the quenching space is further enhanced.
According to an embodiment of the present invention, referring to fig. 3, the apparatus further comprises: a load cell 3003, a liquid flow meter 5001, a level gauge 4001, and a gas flow meter 5002. The load cell 3003, the liquid flowmeter 5001, and the liquid level gauge 4001 are each independently connected to the liquid reservoir 601 and the control device 800. In other words, the load cell 3003 is connected to the reservoir 601 and the control device 800, the fluid flow meter 5001 is connected to the reservoir 601 and the control device 800, and the fluid level gauge 4001 is connected to the reservoir 601 and the control device 800. Therefore, the pressure of the cooling liquid output from the liquid storage tank 601 in the conveying pipeline can be detected by the load cell 3003, the flow rate of the cooling liquid in the conveying pipeline is detected by the liquid flow meter 5001, and the storage amount of the cooling liquid in the liquid storage tank 601 is detected by the liquid level meter 4001, so that the controller 800 can better control the liquid supply control valve 602 according to the detection data, and the operation safety of the liquid supply device 600 is ensured while the quenching effect of the quenching tower 200 on high-temperature flue gas is ensured. The gas flow meter 5002 is connected to the gas tank 702 and the control device 800, respectively, so as to supply the detected flow rate of the compressed gas supplied from the gas supply device to the control device 800, to thereby control the flow rate of the gas supplied from the gas supply device 700 to the quenching tower 200 more effectively and improve the safety of the gas supply device 700.
Furthermore, according to the embodiment of the present invention, in order to further improve the quenching treatment effect of the quenching tower 200 on the high-temperature flue gas, the quenching tower 200 may further have the following structures and elements:
according to an embodiment of the present invention, referring to fig. 3, the quenching tower 200 may further include in its body: a reducing section 202, the reducing section 202 having a gradually increasing cross-sectional diameter from top to bottom, and an atomizing nozzle 209 provided on the reducing section 202; the straight cylinder section 203 is arranged at the lower part of the reducing section 202, and the straight cylinder section 203 has a constant section diameter, so that high-temperature flue gas enters the straight cylinder section 203 with a larger section area through the reducing section 202, and the flue gas carried in the high-temperature flue gas is effectively settled; a first collar 207, the first collar 207 being disposed on an outer wall of the straight-tube section 203, the first collar 207 being connected to the liquid supply port 610 and the atomizing nozzle 209, respectively, and a first collar load cell 3001 being disposed on the first collar 207, the first collar load cell 3001 being connected to the controller 800; a second collar 208, the second collar 208 being provided on the outer wall of the straight cylinder section 203, the second collar 208 being connected to the gas supply port 703 and the atomizing nozzle 209, respectively, and a second collar load cell 3002 being provided on the second collar 208, the second collar load cell 3002 being connected to the controller 800. Therefore, the coolant and the compressed gas supplied to the atomizing nozzle 209 can be separated by the first loop 207 and the second loop 208, the pressure of the coolant in the first loop 207 can be detected by the first load cell 3001, the pressure of the compressed gas in the second loop 208 can be detected by the second load cell 3002, and the detected values can be provided to the controller 800, so that the controller 800 can better control the related valves and components of the liquid supply device 600 and the gas supply device 700 according to the values, and further improve the safety of the liquid supply device 600 and the gas supply device 700 and the cooling effect and the equipment stability of the high-temperature flue gas quenching device according to the embodiment of the invention.
Furthermore, according to the embodiment of the present invention, referring to fig. 4, the high temperature flue gas quenching apparatus may further have: a plurality of atomizing nozzles evenly distributed over the same cross section of the reducer section 202; a plurality of coolant exit holes evenly distributed on the first collar 207; and a plurality of compressed gas outlet holes, which are evenly distributed on the second ring pipe 208, and the plurality of atomizing nozzles, the plurality of cooling liquid outlet holes and the plurality of compressed gas outlet holes are the same in number and correspond to one another. In other words, referring to fig. 5, the number of atomizing nozzles corresponds to the number of coolant exit holes and the number of compressed gas exit holes, and each of the plurality of atomizing nozzles corresponds to one coolant exit hole and one compressed gas exit hole independently, so that each atomizing nozzle is connected to one coolant exit hole of the first collar 207 and one compressed gas exit hole of the second collar 208, thereby completing the supply of compressed gas and coolant to each of the plurality of atomizing nozzles. For example, according to a preferred embodiment of the present invention, the plurality of atomizing nozzles may be divided into two groups, i.e., a first atomizing nozzle group 209 and a second atomizing nozzle group 212, and referring to fig. 6, each group of atomizing nozzles includes three adjacently disposed atomizing nozzles, and the three atomizing nozzles are uniformly arranged on the circumference. The inlet of the first group 209 of atomising nozzles is provided with a first set 210 of liquid control valves and a first set 211 of gas control valves, one for each atomising nozzle, so that the controller controls the supply of coolant and compressed gas to each atomising nozzle in dependence on the detection of the associated load cell. The inlet of the second atomizing nozzle group 212 is provided with a second liquid control valve group 213 and a second gas control valve group 214 so that the controller controls the cooling liquid and the compressed gas supplied to each atomizing nozzle according to the detection result of the associated load cell. Also, the length and exit angle of the two sets of atomizing nozzles may also be different. Therefore, the high-temperature flue gas can be better atomized and quenched through the two groups of atomizing nozzles.
In order to further improve according to the utility model discloses the stability of high temperature flue gas rapid cooling equipment operation and to the rapid cooling treatment effect of high temperature flue gas, according to the embodiment of the utility model, refer to fig. 4, supply liquid device 600 can also further include: a filter disposed between the liquid supply port 610 and the first collar 207 for filtering impurities in the coolant; a centrifugal pump disposed between the filter and the first collar 207 and connected to the control device 800; and the return pipeline is respectively connected with the liquid storage tank 601 and the centrifugal pump. According to another embodiment of the present invention, the centrifugal pump in the liquid supply device 600 may be a plurality of centrifugal pumps connected in parallel, and the filter may also be a plurality of filters connected in parallel. Specifically, the liquid supply apparatus 600 may have a first filter 603 and a second filter 604 arranged in parallel, and a first centrifugal pump 605 and a second centrifugal pump 607 arranged in parallel. Wherein, the inlet and the outlet of the first filter 603 and the second filter 604 are provided with a cut-off valve (not shown in the figure), and the first filter 603 and the second filter 604 are arranged between the liquid storage tank 601 and the first centrifugal pump 605; according to an embodiment of the present invention, referring to fig. 4, a differential pressure gauge 6001 is provided between the filter and the liquid supply port, specifically, the differential pressure gauge 6001 is provided in parallel between the inlet and the outlet of the first filter 603 and between the inlet and the outlet of the second filter 604 for detecting the pressure difference between the inlet and the outlet of the filter, and shut-off valves are provided between the differential pressure gauge 6001 and the inlet and the outlet of the first filter 603 and between the inlet and the outlet of the second filter 604, respectively. Therefore, the damage to the centrifugal pump and the atomizing nozzle caused by the impurities in the cooling liquid entering the centrifugal pump and the atomizing nozzle can be avoided. By arranging two filters in parallel, the cooling liquid can be filtered by one filter when the other filter needs to be cleaned or fails. By arranging the pressure difference meter 6001, whether the filter needs to be cleaned or fails can be judged according to the value of the pressure difference meter 6001, so that continuous and stable operation of the liquid supply system and the atomizing nozzle can be ensured. Furthermore, according to an embodiment of the present invention, the first centrifugal pump 605 is provided with a first variable frequency speed regulator 606 and the second centrifugal pump 607 is provided with a second variable frequency speed regulator 608. Further, shut valves (not shown) are provided at the inlet and outlet of the first centrifugal pump 605, respectively, and shut valves are also provided at the inlet and outlet of the second centrifugal pump 607, respectively, and a check valve 611 is provided between the outlet of the first centrifugal pump 605 and the shut valves, and a check valve 612 is provided between the outlet of the second centrifugal pump 607 and the shut valves. Therefore, the situation that the cooling liquid flowing out of the outlet of the first centrifugal pump 605 and the outlet of the second centrifugal pump 607 cannot flow backwards can be avoided, and the centrifugal pump is prevented from being damaged due to the fact that the cooling liquid flows backwards. In addition, according to the embodiment of the present invention, one side of the centrifugal pump away from the filter is connected to the liquid storage tank 601, and a reflux valve 609 is disposed between the centrifugal pump and the liquid storage tank 601; for example, according to one embodiment of the present invention, the reflux valve 609 is connected to the outlet pipe of the first centrifugal pump 605 at one end and to the reflux port of the reservoir 601 at the other end through a pipe. Therefore, by arranging the two centrifugal pumps connected in parallel, when one centrifugal pump fails, the other centrifugal pump can be switched to use, and the uninterrupted flow of the cooling liquid is ensured. The inlet and the outlet of the centrifugal pump are provided with the stop valves, so that the damaged centrifugal pump can be maintained and replaced conveniently when the liquid supply system operates, and uninterrupted flow of cooling liquid in the liquid supply system and the atomizing nozzle can be ensured. Through setting up the variable frequency speed regulator to the centrifugal pump to can adjust the liquid supply volume of centrifugal pump according to the temperature variation condition of high temperature flue gas, guarantee the stability of high temperature flue gas temperature after the cooling, and realize energy-conservation.
Furthermore, according to an embodiment of the present invention, referring to fig. 4, in the apparatus, the quenching tower 200 may further include: the ash discharge port 206, the ash discharge port 206 is arranged at the bottom of the body, so that the fully settled smoke dust can be discharged out of the quenching tower 200 from the ash discharge port 206; a grid 215, the grid 215 being arranged at the bottom of the quench space, in particular, with reference to fig. 7, the grid 215 being arranged at the bottom of the straight cylinder section 203; and a service hole 216 is formed on the side wall of the quenching tower 200 above the grid 215; a soot conveyor 400, the feed inlet of the soot conveyor 400 being connected to the soot discharge outlet 206, specifically, the conveyor 400 may be an embedded scraper conveyor or a screw conveyor; and a discharger 500, the discharger 500 being connected to the discharge port of the soot conveyor 400. Specifically, according to the utility model discloses an embodiment, tripper 500 can be star tripper, electronic double-deck flap valve, weight flap valve etc.. Therefore, the falling blocky smoke dust can be effectively blocked through the grating, and the situation that the cigarette ash conveyor 400 is broken by the blocky smoke dust or the discharger 500 is blocked is avoided. Through the access hole 216, the condition of the block smoke on the grating 215 can be checked, and the block smoke can be taken out from the access hole 216.
To sum up, according to the utility model discloses high temperature flue gas rapid cooling device has better spray gun atomization effect, and the flue gas temperature after the cooling is stable to this equipment does not produce waste water, and exhaust smoke and dust is dry smoke and dust.
Specifically, referring to FIG. 4, the high temperature flue gas enters the quench tower 200 through the flue gas inlet 100 for a cooling process by an atomized cooling fluid provided by the atomizing nozzles 209. Specifically, the coolant is supplied from the liquid supply 600 to the first collar 207, while the compressed air is supplied from the air supply 700 to the second collar 208 and to the plurality of atomizing nozzles, so as to achieve complete atomization of the coolant. The high-temperature flue gas after quenching treatment is discharged out of the equipment through a flue gas outlet 300, and the soot generated by sedimentation in the cooling process is discharged out of the quenching tower 200 through an ash discharge port 206 and is discharged out of the equipment through a soot conveyor 400 and a discharger 500. Wherein, in the liquid supply apparatus 600, the cooling liquid is stored in the liquid storage tank 601, and after passing through the filter and the centrifugal pump, is supplied to the first loop 207 provided on the outer wall of the quenching tower 200 so as to be supplied to the atomizing nozzle; in the gas supply apparatus 700, the compressed gas is stored in the gas container 701, supplied into the second loop 208 provided on the outer wall of the quenching tower 200, and supplied to the atomizing nozzles. Meanwhile, the working conditions of all parts in the quenching tower 200, the liquid supply device 600 and the gas supply device 700 are detected by all temperature, pressure and flow monitoring elements arranged in the devices, the obtained measured values are reflected to the controller 800, the controller 800 controls related valves and speed regulators according to the actual conditions of all parts, and then the parameters of the related parts are timely adjusted according to the actual cooling condition of high-temperature flue gas, so that the equipment has the advantages of good cooling effect, low failure rate, high stability and adaptability, energy conservation and high efficiency.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A high temperature flue gas quenching apparatus, comprising:
a quench tower;
the liquid supply device is connected with the quenching tower;
the atomizing nozzle is arranged on the quenching tower; and
a control device which is respectively connected with the quenching tower and the liquid supply device,
wherein,
the quenching tower comprises:
a body defining a quench space therein;
a flue gas inlet disposed on the body;
the first temperature measuring element is connected with the flue gas inlet;
a flue gas outlet disposed on the body; and
a second temperature measuring element connected with the smoke outlet,
the liquid supply device includes:
a liquid storage tank;
the liquid supply port is arranged on the liquid storage tank and is connected with the atomizing nozzle;
a liquid supply control valve disposed between the liquid supply port and the atomizing nozzle;
and the control device is respectively connected with the first temperature measuring element, the second temperature measuring element and the liquid supply control valve and is used for controlling the liquid supply control valve based on the detection results of the first temperature measuring element and the second temperature measuring element.
2. The high temperature flue gas quenching apparatus of claim 1, further comprising:
a gas supply device, the gas supply device comprising:
a gas storage tank;
the air supply port is arranged on the air storage tank and is connected with the atomizing nozzle;
and a gas supply control valve which is provided between the gas supply port and the atomizing nozzle and is connected to the control device, wherein the control device controls the gas supply control valve based on the detection results of the first temperature measuring element and the second temperature measuring element so that the coolant in the liquid supply device is completely atomized and evaporated in the quenching space.
3. The high temperature flue gas quenching apparatus of claim 2, further comprising:
the pressure measuring element is respectively connected with the liquid storage tank and the control device, and is arranged between the liquid storage tank and the atomizing nozzle;
the liquid flowmeter is connected with the liquid storage tank and the control device;
the liquid level meter is respectively connected with the liquid storage tank and the control device; and
and the gas flowmeter is respectively connected with the gas storage tank and the control device.
4. The high temperature flue gas chilling apparatus of claim 2, wherein the body includes:
a reducing section having a sectional diameter gradually increasing from top to bottom, the atomizing nozzle being disposed on the reducing section;
a straight cylinder section provided at a lower portion of the variable diameter section and having a constant sectional diameter,
the first ring pipe is arranged on the outer wall of the straight cylinder section and is respectively connected with the liquid supply port and the atomizing nozzle;
the second ring pipe is arranged on the outer wall of the straight cylinder section and is respectively connected with the air supply port and the atomizing nozzle;
a first collar load cell disposed on the first collar and connected to the control device; and
a second collar load cell disposed on the second collar and connected to the control device.
5. The high-temperature flue gas quenching apparatus as claimed in claim 4, comprising:
a plurality of the atomizing nozzles evenly distributed over the same cross-section of the reducer section;
a plurality of coolant exit holes evenly distributed on the first collar; and
a plurality of compressed gas outlet holes which are evenly distributed on the second ring pipe,
wherein the plurality of atomizing nozzles, the plurality of cooling liquid outlet holes and the plurality of compressed gas outlet holes are the same in number and correspond to one another.
6. The high temperature flue gas chilling apparatus of claim 4, further comprising:
a filter disposed between the fluid supply port and the first collar;
a centrifugal pump disposed between the filter and the first collar, the centrifugal pump being connected to the control device;
and the return pipeline is respectively connected with the liquid storage tank and the centrifugal pump.
7. The high-temperature flue gas quenching apparatus as claimed in claim 6, comprising:
a plurality of said filters, and said plurality of filters are arranged in parallel;
a plurality of said centrifugal pumps, and said plurality of centrifugal pumps are arranged in parallel;
a differential pressure gauge disposed between the filter and the fluid supply port;
shut-off valves disposed between the differential pressure gauge and the filter, between the centrifugal pump and the filter, and between the centrifugal pump and the first loop pipe; and
a check valve disposed between the centrifugal pump and the shut-off valve.
8. The apparatus according to claim 6, wherein a side of the centrifugal pump away from the filter is connected to the liquid storage tank, and a return valve is provided between the centrifugal pump and the liquid storage tank.
9. The high temperature flue gas quenching apparatus of claim 1, further comprising:
the ash discharging port is arranged at the bottom of the body;
a grate disposed at a bottom of the quench space;
the access hole is arranged on the side wall of the quenching tower and is arranged above the grating;
the ash feeding port of the ash conveyor is connected with the ash discharging port; and
and the discharger is connected with the discharge hole of the cigarette ash conveyor.
10. The high temperature flue gas quenching apparatus of claim 1, wherein the first temperature sensing element and the second temperature sensing element each independently comprise a plurality of thermometers.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520691200.6U CN205065767U (en) | 2015-09-07 | 2015-09-07 | High temperature flue gas rapid cooling equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520691200.6U CN205065767U (en) | 2015-09-07 | 2015-09-07 | High temperature flue gas rapid cooling equipment |
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| CN205065767U true CN205065767U (en) | 2016-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180192A (en) * | 2015-09-07 | 2015-12-23 | 中国瑞林工程技术有限公司 | High-temperature flue gas quenching equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180192A (en) * | 2015-09-07 | 2015-12-23 | 中国瑞林工程技术有限公司 | High-temperature flue gas quenching equipment |
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