阅读说明：本技术 一种环保型湿熄焦塔 (Environment-friendly wet quenching tower ) 是由 沈煜晖 吴涛 于 2019-11-07 设计创作，主要内容包括：本发明公开了一种环保型湿熄焦塔,包括固定安装在地面上的塔身,所述塔身内部从下往上依次排布设置有降温喷淋组件、除尘除雾喷淋组件、雾化凝并组件、除雾组件和引风机,所述塔身底部侧方还设置有水循环组件,所述降温喷淋组件包括降温喷嘴,所述除尘除雾喷淋组件包括除尘喷嘴,所述雾化凝并组件包括空气压缩机和双流体喷嘴,所述水循环组件包括开设在地面的位于所述塔身侧方的斜坡、位于斜坡底端的水池和连接所述水池与降温喷淋组件、除尘除雾喷淋组件的循环泵。本发明相比于现有的熄焦塔,多个除尘或除雾组件,除雾效率更高,效果更好,污染排放少,且用水量较小；还设置有水循环组件,能够循环使用水,节约水资源,降低熄焦成本。(The invention discloses an environment-friendly wet quenching tower which comprises a tower body fixedly installed on the ground, wherein a cooling spray assembly, a dust and mist removing spray assembly, an atomization coagulation assembly, a mist removing assembly and an induced draft fan are sequentially arranged in the tower body from bottom to top, a water circulation assembly is further arranged on the side of the bottom of the tower body and comprises a cooling nozzle, the dust and mist removing spray assembly comprises a dust removing nozzle, the atomization coagulation assembly comprises an air compressor and a double-fluid nozzle, and the water circulation assembly comprises a slope arranged on the ground and located on the side of the tower body, a water pool arranged at the bottom end of the slope and a circulating pump connected with the water pool, the cooling spray assembly and the dust and mist removing spray assembly. Compared with the existing coke quenching tower, the multiple dedusting or demisting assemblies have the advantages of higher demisting efficiency, better effect, less pollution emission and smaller water consumption; and the water circulation assembly is also arranged, so that water can be recycled, water resources are saved, and the coke quenching cost is reduced.)

1. The utility model provides an environment-friendly wet quenching tower, includes subaerial tower body (1) of fixed mounting, gas vent (11) have been seted up to tower body (1) upper end, and import (12) that allow coke quenching car (2) to pass through and get into are seted up to the lower extreme lateral part, its characterized in that: tower body (1) is inside from up arranging in proper order down and is provided with cooling spray assembly (3), dust removal defogging spray assembly (4), atomizing and congeal subassembly (5), defogging subassembly (6) and draught fan (7), tower body (1) bottom side still is provided with hydrologic cycle subassembly (8), cooling spray assembly (3) are including cooling nozzle (31) that can spout the diameter and be 1800~2200 μm liquid drop, dust removal defogging spray assembly (4) are including dust removal nozzle (41) that can spout the diameter and be 800~1200 μm liquid drop, atomizing and congealing subassembly (5) and include air compressor and two fluid nozzle (51), hydrologic cycle subassembly (8) are including opening being located on ground slope (81) of tower body (1) side, pond (82) and the connection that is located slope (81) bottom pond (82) and cooling spray assembly (3), A circulating pump (83) of the dedusting and demisting spray component (4).

2. The environment-friendly wet quenching tower of claim 1, wherein: the demisting assembly (6) comprises vertical wave-shaped blades 63, and the segmentation particle size of the demisting assembly (6) is 20-30 mu m.

3. The environment-friendly wet quenching tower of claim 2, wherein: the atomization particle size of the atomization coalescence component (5) is 40-100 mu m.

4. The environmentally friendly wet quenching tower of claim 1 or 3, wherein: cooling spray set (3) are including fixing main water pipe (32), the connection of cooling that is mouthful style of calligraphy in body of the tower (1) inner wall and being the cooling of cooling main water pipe (32) auxiliary water pipe (33) and install at the auxiliary water pipe (33) tip of cooling and decurrent cooling nozzle (31), auxiliary water pipe (33) of cooling are provided with a plurality ofly, evenly arrange at main water pipe (32) of cooling inboardly.

5. The environment-friendly wet quenching tower of claim 4, wherein: the structure of dust removal defogging spray assembly (4) with cooling spray assembly (3) are similar, including fixing in body of the tower (1) inner wall and being dust removal main water pipe (42) of mouth style of calligraphy, connecting dust removal auxiliary water pipe (43) of dust removal main water pipe (42) and installing at dust removal auxiliary water pipe (43) tip and decurrent dust removal nozzle (41), dust removal auxiliary water pipe sets up (43) and is provided with a plurality ofly, evenly arranges at dust removal main water pipe (42) inboardly.

6. The environmentally friendly wet quenching tower of claim 5, wherein: the cooling main water pipe (32) and the dedusting main water pipe (42) are communicated with a water supply pipe (34), the water supply pipe (34) is connected with water supply equipment, electromagnetic control valves (35) are arranged on the water supply pipes of the cooling spray assembly (3) and the dedusting and demisting spray assembly (4), and the electromagnetic control valves (35) are controlled by a control switch (9).

7. The environmentally friendly wet quenching tower of claim 6, wherein: two electromagnetic control valves (35) located cooling spray assembly (3) and dust removal defogging spray assembly (4) department are by same control switch (9) synchronous control, control switch (9) are including opening button (91), close button (92) and can control electromagnetic control valve (35) the control knob (93) of the degree of opening.

8. The environmentally friendly wet quenching tower of claim 6 or 7, wherein: the water tank (82) is respectively connected with the water supply pipes of the cooling spray assembly and the dedusting and demisting spray assembly through two independent circulating water pipes (84), one-way valves (85) are arranged between the circulating water pipes (84) and the two water supply pipes, and the control switch (9) further comprises a water pump switch (94) for starting and stopping the circulating water pump (83).

9. The environmentally friendly wet quenching tower of claim 8, wherein: the circulating water pump (83) comprises a fine circulating pump (831) corresponding to the cooling spraying assembly (3) and a coarse circulating pump (832) corresponding to the dedusting and demisting spraying assembly (4), and the power of the coarse circulating pump (832) is greater than that of the fine circulating pump (831).

10. The environmentally friendly wet quenching tower of claim 9, wherein: the fine circulating pump (831) and the coarse circulating pump (832) are synchronously controlled by the water pump switch (94).

Technical Field

The invention belongs to the technical field of coking, and particularly relates to an environment-friendly wet quenching tower.

Background

The coal is subjected to high-temperature dry distillation to obtain coke, the temperature of the coke is generally 950-1100 ℃, the temperature is required to reach 250 ℃ for convenient transportation or storage, and the cooling process is called quenching. At present, a coke quenching tower is commonly adopted and is divided into a wet coke quenching tower and a dry coke quenching tower, the water consumption of the existing wet coke quenching tower is serious, and each ton of coke needs 0.3-0.5 ton of water. In addition, in the coke quenching process, sprayed cooling water is in direct contact with high-temperature coke to generate a large amount of water vapor and dust, high-altitude organized discharge is realized by utilizing the thermal self-pulling force, the problem of local pollution is solved, the pollution discharge weight is increased, and the dust content in discharged hot gas is higher and the pollution is more serious.

Chinese patent CN201821258677 discloses a high-efficiency dust removing device of a coke quenching tower, which is provided with a primary dust removing device and a secondary dust removing device, and deeply purifies coke quenching one, three and five with a large amount of dust through water mist, so as to solve the problem of serious pollution in the coke quenching process. However, in the technical scheme of the patent, the water mist particles generated by the primary and secondary dust removing devices are large, the dust adsorption effect is not obvious enough, the dust removing and purifying effect is influenced, and the problem of large water consumption of the coke quenching tower is not solved.

Disclosure of Invention

The invention aims to provide an environment-friendly wet quenching tower which has good dust adsorption effect and low emission pollution and can save water.

In order to achieve the purpose, the technical scheme provided by the invention is as follows: the utility model provides an environment-friendly wet quenching tower, includes the subaerial body of tower of fixed mounting, the gas vent has been seted up to the body of tower upper end, and the import that allows the coke quenching car to pass through and get into is seted up to the lower extreme lateral part, inside from up arranging in proper order down of body of tower is provided with cooling spray assembly, dust removal defogging spray assembly, atomizing and coalescence subassembly, defogging subassembly and draught fan, body of tower bottom side still is provided with the hydrologic cycle subassembly, cooling spray assembly includes the cooling nozzle that can the blowout diameter be 1800~2200 μm liquid drop, dust removal defogging spray assembly includes the dust removal nozzle that can the blowout diameter be 800~1200 μm liquid drop, atomizing and coalescence subassembly includes air compressor and double fluid nozzle, the hydrologic cycle subassembly is including seting up being located on ground the slope of body of tower side, the pond that is located the slope bottom and, The circulating pump of the dust removal defogging spray assembly.

Preferably, the defogging component comprises a first-level defogging component above and a second-level defogging component below, the first-level defogging component and the second-level defogging component are both composed of vertical wave-shaped blades and remove particles and liquid drops through the principle of inertial collision, wherein the segmentation particle size of the first-level defogging component is 50-70 mu m, the segmentation particle size of the second-level defogging component is 20-30 mu m, dust and mist are condensed into particles and liquid drops with the particle size smaller than 20-30 mu m after passing through the first-level defogging component and the second-level defogging component respectively, the defogging effect is good, and the defogging degree is high.

As preferred, cooling spray assembly is including fixing cooling main water pipe, the connection that is mouthful style of calligraphy at the body of the tower inner wall the cooling auxiliary water pipe of cooling main water pipe with install at cooling auxiliary water pipe tip and decurrent the cooling nozzle, the cooling auxiliary water pipe is provided with a plurality ofly, evenly arranges in cooling main water pipe inboard, makes the cooling nozzle spun liquid drop down can cover the coke quenching car completely to guarantee that the cooling sprays.

Preferably, the dust removal defogging spray assembly comprises a dust removal main water pipe which is fixed on the inner wall of the tower body and is in a shape of a Chinese character kou, a dust removal auxiliary water pipe which is connected with the dust removal main water pipe and a plurality of dust removal nozzles which are arranged at the end parts of the dust removal auxiliary water pipes and face downwards, wherein the dust removal auxiliary water pipes are uniformly distributed on the inner side of the dust removal main water pipe, so that liquid drops sprayed downwards by the dust removal nozzles can completely cover the cooling spray assembly, when the liquid drops sprayed by the cooling spray assembly are sprayed on coke to generate a large amount of water vapor, the liquid drops of the dust removal nozzles can remove dust and defogging on the water vapor, and fog drops and dust. Preferably, the cooling main water pipe of the cooling spray assembly and the dust removal main water pipe of the dust removal and demisting spray assembly are both communicated with water supply pipes, the water supply pipes are connected with water supply equipment, and the water supply pipes of the cooling spray assembly and the dust removal and demisting spray assembly are both provided with electromagnetic control valves which are controlled by control switches.

Preferably, the two electromagnetic control valves at the cooling spray assembly and the dedusting and demisting spray assembly are synchronously controlled by the same control switch, the control switch comprises an opening button, a closing button and a control knob, the control knob can control the opening degree of the electromagnetic control valves, and the spray speeds of the cooling spray assembly and the dedusting and demisting spray assembly are adjusted according to the amount of coke, so that the purpose of saving water resources is achieved.

Preferably, the two-fluid nozzle is provided with a plurality of nozzles, is installed in a manner similar to the cooling nozzle or the dust removal nozzle, is connected with the water supply equipment through a main water pipe, an auxiliary water pipe and a water supply pipe, and is provided with the electromagnetic control valve, and is synchronously controlled by the control switch.

Preferably, the atomized particle size of the atomized coalescence component is 40-100 μm, and most of dust and fog drops in water vapor can be coalesced into large-particle liquid drops with the particle size larger than 40 μm.

Preferably, the water tank is respectively connected with the water supply pipes of the cooling spray assembly and the dedusting and demisting spray assembly through two independent circulating water pipes, one-way valves are arranged between the circulating water pipes and the two water supply pipes, the control switch further comprises a water pump switch for starting and stopping the circulating water pump, and when a worker observes that water in the water tank is more, the circulating water pump can be manually started to reduce water supply of water supply equipment and achieve the purpose of saving water sources.

Preferably, the circulating water pump comprises a fine circulating pump corresponding to the cooling spray assembly and a coarse circulating pump corresponding to the dedusting and demisting spray assembly, and the power of the coarse circulating pump is greater than that of the circulating pump so as to cooperate with the spraying work of the cooling spray assembly and the dedusting and demisting spray assembly.

Preferably, the fine circulating pump and the coarse circulating pump are synchronously controlled by the water pump switch, so that the operation difficulty is reduced, and the working efficiency is improved.

Preferably, the control switch further comprises a fan button for controlling the on-off of the induced draft fan.

When the coke quenching device is used, firstly, a coke quenching car filled with high-temperature coke is pushed into the tower body, the draught fan is started through the fan button, then the electromagnetic control valve is opened through the start button, the cooling spray assembly and the dedusting and demisting spray assembly heat the coke, dust and fog drops in water vapor are preliminarily removed, larger liquid drops fall, smaller liquid drops and water vapor continue to rise, most of the dust and the fog drops in the water vapor are condensed into large-particle liquid drops with the diameter of more than 40 mu m through the atomizing and condensing assembly, the liquid drops fall greatly and rise along with the water vapor continuously, the dust and the water vapor are basically and completely separated through the primary demisting assembly and the secondary demisting assembly, gas with lower humidity and higher purity continues to rise and is discharged out of the tower body by the draught fan, and all the falling liquid drops flow into a water pool through the ground and a slope, and the water is recycled through the water circulation assembly.

The invention has the following beneficial effects:

1. compared with the existing coke quenching tower, the coke quenching tower provided by the invention is provided with a plurality of dedusting or demisting components, so that the demisting efficiency is higher, the effect is better, the pollution emission is less, and the water consumption is less;

2. the water circulation assembly is arranged, so that water can be recycled, water resources are saved, and the coke quenching cost is reduced.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a cooling assembly and a dedusting and demisting assembly in accordance with an embodiment of the present invention;

FIG. 3 is a schematic view of a water circulation assembly according to an embodiment of the present invention;

FIG. 4 is a perspective view of a defogging assembly in accordance with an embodiment of the present invention;

FIG. 5 is a side view of a defogging assembly in accordance with an embodiment of the present invention;

FIG. 6 is a perspective view of a cooling assembly and a dedusting and demisting assembly in accordance with an embodiment of the present invention;

FIG. 7 is a schematic diagram of a control switch according to an embodiment of the present invention;

the items in the figure are respectively: 1 tower body, 11 gas vents, 12 imports, 2 coke quenching car, 3 cooling spray assembly, 31 cooling nozzle, 32 cooling main water pipe, 33 cooling auxiliary water pipe, 34 water supply pipe, 35 solenoid electric valve, 4 dust removal defogging spray assembly, 41 dust removal nozzle, 42 dust removal main water pipe, 43 dust removal auxiliary water pipe, 5 atomization coalescence assembly, 51 double-fluid nozzle, 6 defogging assembly, 61 one-level defogging assembly, 62 second-level defogging assembly, 63 waveform blade, 7 draught fan, 8 water circulation assembly, 81 slope, 82 pond, 83 circulating water pump, 831 fine circulating pump, 832 coarse circulating pump, 84 circulating water pipe, 85 check valve, 9 control switch, 91 start button, 92 close button, 93 control button, 94 water pump switch, 95 fan button.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to the embodiments and the accompanying drawings.

As shown in figures 1-3, an environment-friendly wet quenching tower comprises a tower body 1 fixedly mounted on the ground, an exhaust port 11 is formed in the upper end of the tower body 1, an inlet 12 allowing a coke quenching car 2 to pass through and enter is formed in the side portion of the lower end of the tower body, a cooling spray assembly 3, a dedusting and demisting spray assembly 4, an atomization coagulation assembly 5, a demisting assembly 6 and an induced draft fan 7 are sequentially arranged in the tower body 1 from bottom to top, a water circulation assembly 8 is further arranged on the side of the bottom of the tower body 1, the cooling spray assembly 3 comprises a cooling nozzle 31 capable of spraying liquid drops with diameters of 1800-2200 mu m, the dedusting and demisting spray assembly 4 comprises a dedusting nozzle 41 capable of spraying liquid drops with diameters of 800-1200 mu m, the atomization coagulation assembly 5 comprises an air compressor (not shown in the figure) and a double-fluid nozzle 51, the water circulation assembly 8 comprises a slope 81 formed on the ground and located on the side of the, A water tank 82 positioned at the bottom end of the slope 81 and a circulating pump 83 connecting the water tank 82 with the cooling spray assembly 3 and the dedusting and demisting spray assembly 4.

In this embodiment, as shown in fig. 4 to 5, the defogging assembly 6 includes a first-level defogging assembly 61 above and a second-level defogging assembly 62 below, the first-level defogging assembly 61 and the second-level defogging assembly 62 are both composed of vertical wave-shaped blades 63, and are similar to a common defogger structure, wherein the first-level defogging assembly 61 is divided into particles of 50 to 70 μm, and the second-level defogging assembly 62 is divided into particles of 20 to 30 μm, and both the particles and liquid drops are removed by the principle of inertial collision, so that the defogging effect is good, and the defogging degree is high.

As shown in fig. 6, cooling spray assembly 3 is including fixing cooling main water pipe 32, the connection that is the mouth style of calligraphy at the 1 inner wall of tower body the cooling auxiliary water pipe 33 of cooling main water pipe 32 with install at cooling auxiliary water pipe 33 tip and decurrent cooling nozzle 31, cooling auxiliary water pipe 33 is provided with a plurality ofly, evenly arranges at cooling main water pipe 32 inboardly, makes cooling nozzle 31 downward spun liquid drop can cover coke quenching car 2 completely to guarantee that the cooling sprays.

Dust removal defogging spray assembly 4 is including fixing at 1 inner wall of tower body and being the dust removal main water pipe 42 of mouth of a word, connecting dust removal main water pipe 42's the vice water pipe 43 of removing dust and installing in the vice water pipe 43 tip of removing dust and downwards dust removal nozzle 41, the vice water pipe of removing dust is provided with 43 and is provided with a plurality ofly, evenly arranges at dust removal main water pipe 42 inboardly, makes dust removal nozzle 41 spun liquid drop down can cover completely cooling spray assembly 3, when cooling spray assembly 3 spun liquid drop sprays and produces a large amount of steam on the coke, dust removal defogging processing can be carried out to these steam to dust removal defogging of dust removal nozzle 41's liquid drop, takes away fogdrop and dust in the steam. In this embodiment, the dust and mist removing spray assembly 4 and the temperature reducing spray assembly 3 have the same structure except that the specifications of the temperature reducing nozzle 31 and the dust removing nozzle 41 are slightly different.

Furthermore, the cooling main water pipe 32 of the cooling spray assembly 3 and the dust removal main water pipe 42 of the dust removal and mist removal spray assembly 4 are both communicated with a water supply pipe 34, the water supply pipe 34 is connected with a water supply device (not shown in the figure), the water supply pipes of the cooling spray assembly and the dust removal and mist removal spray assembly are both provided with an electromagnetic control valve 35, and the electromagnetic control valve 35 is controlled by a control switch 9.

In this embodiment, as shown in fig. 7, the two electromagnetic control valves 35 at the cooling spray assembly 3 and the dust and mist removal spray assembly 4 are synchronously controlled by the same control switch 9, the control switch 9 includes an on button 91, an off button 92 and a control knob 93, the control knob 93 can control the opening degree of the electromagnetic control valve 35, and the spraying speeds of the cooling spray assembly 3 and the dust and mist removal spray assembly 4 are adjusted according to the amount of coke, so as to achieve the purpose of saving water resources. In this embodiment, eight two-fluid nozzles 51 are provided, which are installed in a similar manner to the cooling nozzle 31 or the dust removing nozzle 42, connected to the water supply equipment through a main water pipe, an auxiliary water pipe, and a water supply pipe, and the electromagnetic control valve 35 is provided, which is controlled by the control switch 9 in synchronization.

In the embodiment, the atomized particle size of the atomized coalescence component 5 is 40-100 μm, and most of dust and mist droplets in the water vapor can be coalesced into large-particle droplets with the particle size larger than 40 μm.

As shown in fig. 3, the water tank 82 is connected to the water supply pipes of the cooling spray assembly and the dedusting and demisting spray assembly through two independent water circulation pipes 84, a one-way valve 85 is arranged between the water circulation pipes 84 and the two water supply pipes, the control switch 9 further comprises a water pump switch 94 for starting and stopping the water circulation pump 83, and when the worker observes that the water in the water tank 82 is more, the water circulation pump 83 can be manually started through the water pump switch 94, so that the water supply of the water supply equipment is reduced, and the purpose of saving water sources is achieved.

Further, the circulating water pump 83 includes a fine circulating pump 831 corresponding to the cooling spray assembly 3 and a coarse circulating pump 832 corresponding to the dedusting and demisting spray assembly 4, and the power of the coarse circulating pump 832 is greater than that of the fine circulating pump 831 so as to cooperate with the spraying work of the cooling spray assembly 3 and the dedusting and demisting spray assembly 4.

In this embodiment, the fine circulation pump 831 and the coarse circulation pump 832 are synchronously controlled by the water pump switch 94, so as to reduce the operation difficulty and improve the working efficiency.

In this embodiment, the control switch 9 further includes a blower button 95 for controlling the on/off of the induced draft fan 7.

When the coke quenching car 2 filled with high-temperature coke is pushed into the tower body 1, the draught fan 7 is started through the fan button 95, the electromagnetic control valve 35 is opened through the start button 91, the cooling spray assembly 3 and the dedusting and demisting spray assembly 4 heat coke and primarily remove dust and fog drops in water vapor, larger drops fall, smaller drops and water vapor continue to rise, most of the dust and fog drops in the water vapor are condensed and formed into large-particle drops with the particle size of more than 40 mu m through the atomization and condensation assembly 5, the drops fall greatly, the drops smaller drops continue to rise along with the water vapor, the drops pass through the first-stage demisting assembly 61 and the second-stage demisting assembly 62, the dust and the water vapor are basically and completely separated, gas with lower humidity and higher purity continues to rise and is discharged out of the tower body 1 through the draught fan 7, and all the falling drops pass through the ground and the slope 81, flows into the water basin 82 and is recycled by the water circulation assembly 8.