CN215049905U - Environment-friendly coke quenching device - Google Patents
Environment-friendly coke quenching device Download PDFInfo
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- CN215049905U CN215049905U CN202120627338.5U CN202120627338U CN215049905U CN 215049905 U CN215049905 U CN 215049905U CN 202120627338 U CN202120627338 U CN 202120627338U CN 215049905 U CN215049905 U CN 215049905U
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- coke
- quenching
- tower
- purification tank
- sewage sedimentation
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- 239000000571 coke Substances 0.000 title claims abstract description 115
- 238000010791 quenching Methods 0.000 title claims abstract description 96
- 230000000171 quenching effect Effects 0.000 title claims abstract description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000001816 cooling Methods 0.000 claims abstract description 49
- 239000007921 spray Substances 0.000 claims abstract description 37
- 238000000746 purification Methods 0.000 claims abstract description 35
- 239000010865 sewage Substances 0.000 claims abstract description 35
- 238000004062 sedimentation Methods 0.000 claims abstract description 31
- 239000000428 dust Substances 0.000 claims abstract description 22
- 230000007613 environmental effect Effects 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims description 8
- 230000006378 damage Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 13
- 238000007599 discharging Methods 0.000 description 8
- 239000002351 wastewater Substances 0.000 description 7
- 238000004939 coking Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 238000007790 scraping Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002023 wood Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Coke Industry (AREA)
Abstract
The utility model provides an environmental protection quenching device, includes coke quenching tower, dust collector, cooling tower, sewage sedimentation purification tank, be equipped with the coke conveyer belt in the coke quenching tower, coke conveyer belt low side is equipped with the fine screen, and the fine screen below is sewage sedimentation purification tank, the gas outlet connection dust collector of coke quenching tower upper end, dust collector connects the cooling tower, the cooling tower bottom is sewage sedimentation purification tank, sewage sedimentation purification tank passes through circulating water pump and supplies water to spray set in the spray system in the coke quenching tower and the cooling tower respectively. The utility model discloses a mode that the conveyer belt removed the quenching provides a novel environmental protection quenching device that can obtain high quality coke, and the device long service life can carry out high efficiency, high-quality quenching, can also reduce the harm to the environment through no exhaust emissions, recycled water simultaneously.
Description
Technical Field
The utility model relates to a coking industry environmental protection technical field especially relates to an environmental protection quenching device.
Background
Quenching coke is an essential step in the coal coking process, and the refined red hot coke needs to be cooled to a temperature convenient for transportation and storage. When the coking is finished, the temperature of the coke is generally 950-1100 ℃, and the temperature needs to be reduced to below 250 ℃ through quenching. At present, a coke quenching mode commonly adopted by domestic coking gas making plants is a wet coke quenching process. The wet quenching is to guide the incandescent coke pushed out from the coking chamber into a quenching car through a coke guide and to be pulled into a quenching tower through an electric locomotive for water spraying quenching. The conventional wet quenching process is simple and has low investment, but the high-temperature sensible heat of the coke cannot be recovered, and the environmental pollution is also large.
Based on the improvement of the traditional wet quenching device, the existing quenching device capable of improving the coke quality, such as the utility model with the publication number of CN211570546U, discloses a coke platform remote control spray quenching device, which comprises a coke platform, two meters above the coke platform are provided with two horizontal rails and four vertical rails, the four vertical rails are arranged between the horizontal rails, and each vertical rail can slide back and forth along the horizontal rails under the control of an external remote control device, the two horizontal rails are a first horizontal rail and a second horizontal rail, the four vertical rails are a first vertical rail, a second vertical rail, a third vertical rail and a fourth vertical rail, the four vertical rails are all provided with spray devices, the spray devices are connected with high temperature resistant hoses, the spray head of the spray device can more uniformly discharge water during coke quenching, thereby avoiding the overhigh local water content of coke, is favorable for stably controlling the moisture of the coke. The device can realize the control of water spray quantity and the uniform water spray, improves the quality of coke, and has slow coke quenching efficiency and long coke quenching time.
Aiming at the defects of the prior art, people design a high-efficiency coke quenching device, for example, a utility model with the publication number of CN211645116U discloses a low-moisture coke quenching device, the top of a coke discharging box is provided with a coke inlet, the coke discharging box is arranged in the water seal device, a water seal top plate and a water seal bottom plate of the water seal device form a containing cavity, the bottom of the coke discharging box is provided with a supporting frame, the bottom of the coke discharging box is provided with a coke outlet, the coke outlet is communicated with the containing cavity, one side of the containing cavity is communicated with a water inlet, the water inlet is close to the coke outlet, the other side of the containing cavity is communicated with a water outlet, the water inlet and the water outlet are respectively arranged at the two sides of the coke discharging box, one side of the coke discharging box is provided with a coke scraping motor, an output shaft of the coke scraping motor is provided with a scraping rod, the scraping rod drives coal to enter the coke outlet, one side of the coke discharging box is also communicated with a steam pipe, the inner part of the containing cavity is also communicated with a water level observing pipe, the water level observation pipe is communicated with the bottom of the coke discharging box, and the top end of the water level observation pipe is higher than the water seal top plate. The device extinguishes coal through the lowest water level, and the steam pipe is used as an auxiliary coke quenching means, so that the efficiency is higher, and the serious pollution to the environment can not be ignored.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an environmental protection quenching device adopts the mode that the conveyer belt removed the quenching, provides a novel environmental protection quenching device that can obtain high-quality coke, and the device long service life can carry out high efficiency, high-quality quenching, can also reduce the harm to the environment through no exhaust emissions, circulating water simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an environmental protection quenching device, includes coke quenching tower, dust collector, cooling tower, sewage sedimentation purification tank, be equipped with the coke conveyer belt in the coke quenching tower, coke conveyer belt low side is equipped with the fine screen, and the fine screen below is sewage sedimentation purification tank, the gas outlet connection dust collector of coke quenching tower upper end, dust collector connects the cooling tower, the cooling tower bottom is sewage sedimentation purification tank, sewage sedimentation purification tank passes through circulating water pump and supplies water to spray set in the spray system in the coke quenching tower and the cooling tower respectively.
The coke quenching tower is a closed tower body, an electric lifting door is arranged at an inlet of the tower body, the spraying device is arranged above the coke conveying belt, a plate heat exchanger is further arranged above the coke conveying belt, and an electric flap valve is arranged at a gas outlet above the plate heat exchanger.
And an exhaust fan is arranged at the upper part of the cooling tower.
A plurality of hidden openings are arranged in the coke quenching tower, spray heads are arranged in the hidden openings, and the spray heads are connected with a sewage precipitation and purification tank through pipelines.
The cooling tower is internally provided with a plurality of hidden openings, spray heads are arranged in the hidden openings, and the spray heads are connected with a sewage sedimentation and purification tank through pipelines.
Compared with the prior art, the beneficial effects of the utility model are that:
1) high-quality coke is obtained, and the yield of red coke is reduced. The coke on the quenching car is transferred to the conveying belt in the quenching tower, so that the thickness of the coke on the conveying belt is reduced relative to that of the quenching car, the quenching is more sufficient, and the quality of the coke is improved;
2) the coke quenching time is reduced. Because the relative thickness of the coke is reduced, the coke quenching process of the coke is smoother, and the time for quenching the coke is reduced;
3) reducing the harm to the environment. The novel coke quenching device adopts closed treatment, so that water vapor is prevented from overflowing the coke quenching tower to the maximum extent, and the harm to the environment is greatly reduced to the maximum extent.
4) The water consumption is reduced. The waste water (mainly ammonia water) generated in the coke quenching process is discharged into a sewage precipitation and purification tank, and the water in the sewage precipitation and purification tank is used for water for a spraying device after precipitation and decontamination, so that the effects of cyclic utilization, saving, environmental protection, practicability and economy are achieved.
In addition, the water vapor is condensed in the cooling tower, and the water vapor is condensed into water drops when meeting the condensation, and then is recycled, so that the water consumption is reduced.
5) The utility model discloses a resistance to compression, high temperature resistant material, extension fixture's life. Considering the high temperature (generally 950-1100 ℃) of coke, the coke conveyor belt and the spray head of the spraying device both adopt high-temperature resistant materials to prevent damage. And the rest places, such as the inner wall of the coke quenching tower, can adopt the first-grade high-temperature resistant material to prevent the high-temperature water vapor generated in the coke quenching process from being damaged. Meanwhile, a plurality of hidden ports can be arranged in the device, a plurality of high-temperature resistant spray heads are arranged in the hidden ports, and after quenching is finished each time, the hidden ports are opened for physical cooling, so that the service life of the device is prolonged.
After dust removal, the spray cooling device in the cooling tower can achieve the effect of cooling high-temperature steam. And meanwhile, the air outlet is arranged, so that the device is prevented from being damaged due to high pressure, and the advantage of long service life of the device is achieved.
Drawings
Fig. 1 is a schematic diagram of the present invention.
In the figure: 1-a coke quenching car carriage, 2-a lifting platform, 3-an electric lifting door, 4-a coke conveyor belt, 5-a spraying device, 6-a blind opening, 7-a fine mesh, 8-a plate heat exchanger, 9-an electric flap valve, 10-a dust removal device, 11-an exhaust fan, 12-a spray cooling device, 13-an output pipe, 14-a circulating water pump, 15-an input pipe, 16-a water pump, 17-a water pump, 18-a water pump, 19-a conveying pipe, 20-a steam conduit, 21-a sewage precipitation and purification tank, 22-a coke quenching tower and 23-a cooling tower.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
see fig. 1, an environmental protection quenching device, including quenching tower 22, dust collector 10, cooling tower 23, sewage sedimentation purification tank 21, be equipped with coke conveyer belt 4 in the quenching tower 22, 4 low sides of coke conveyer belt are equipped with fine net 7, and fine net 7 below is sewage sedimentation purification tank 21, the gas outlet connection dust collector 10 of quenching tower 22 upper end, dust collector 10 connects cooling tower 23, cooling tower 23 bottom is sewage sedimentation purification tank 21, sewage sedimentation purification tank 21 supplies water to spray set 5 in the quenching tower 22 and spray cooling device 12 in the cooling tower 23 respectively through circulating water pump 14.
The coke quenching tower 22 is a closed tower body, an electric lifting door 3 is arranged at an inlet of the tower body, the spraying device 5 is arranged above the coke conveying belt 4, the plate heat exchanger 8 is further arranged above the coke conveying belt 4, and an electric flap valve 9 is arranged at a gas outlet above the plate heat exchanger 8. The top of the quenching tower 22 is connected to the dust removal device 10 through a steam conduit 20.
An exhaust fan 11 is provided at an upper portion of the cooling tower 23. The side wall of the cooling tower 23 is provided with a spray cooling device 12, the upper part of the spray cooling device 12 is provided with an exhaust fan 11, and the bottom of the cooling tower 23 is connected with a sewage sedimentation and purification tank 21 through an output pipe 13.
A plurality of hidden openings 6 are arranged in the coke quenching tower 22, spray heads are arranged in the hidden openings 6, and the spray heads are connected with a sewage sedimentation and purification tank 21 through pipelines.
A plurality of hidden openings 6 are arranged in the cooling tower 23, spray heads are arranged in the hidden openings 6, and the spray heads are connected with the sewage sedimentation and purification tank 21 through pipelines.
The dust removing device 10 adopts a wooden baffle plate, takes coke as a filter layer and is periodically flushed by water. The dust removing device 10 is connected to a cooling tower 23 through a steam guide pipe 20.
The waste water is stored in a sewage sedimentation and purification tank 21, a circulating water pump 14 is arranged in the sewage sedimentation and purification tank 21 and is connected with a first water pump 16 and a spray cooling device 12 in a cooling tower through a delivery pipe 19, and the sewage sedimentation and purification tank 21 is connected with an input pipe 15.
Example (b):
the coke quenching car enters the interior of the quenching tower 22 through an inlet at the bottom of the quenching tower 22 during quenching, and then the coke is poured on the coke conveyor belt 4 to reduce the relative thickness of the coke, so that the quenching is performed more fully. Meanwhile, the coke quenching process is carried out in a closed space, so that the pollution to the environment is reduced to the maximum extent, and the wastewater generated in the coke quenching process is precipitated and purified and then recycled due to the application of a sewage treatment system, so that the water resource is saved, and the cost is also reduced.
In this embodiment, the coke conveyor belt 4 is made of a high temperature resistant material, and can withstand the high temperature of the coke.
In this embodiment, the quenching tower 22 and the cooling tower 23 both adopt a concrete structure.
In this embodiment, the steam guide pipe is made of a high-temperature-resistant and corrosion-resistant material.
The specific process comprises the following steps:
step 1, cooling the cooling tower: before quenching, the interior of the cooling tower 23 is cooled by the spray cooling device 12, so that a large temperature difference is formed between the interior and the exterior of the cooling tower 23, and water vapor formed in the quenching process enters the cooling tower 23 through the vapor conduit 20 and is then condensed into small water drops due to cooling.
Step 2, quenching coke: the coke quenching car enters the coke quenching tower 22 through an inlet at the bottom of the coke quenching tower 22, enters the rear coke quenching car carriage 1 to incline, coke is dumped on the coke conveying belt 4, the coke quenching car leaves the coke quenching tower, and the electric lifting door 3 is closed to form a closed space. The spraying device 5 is started to quench the coke, and the waste water generated in the coke quenching process flows into the sewage sedimentation and purification tank 21 through the fine mesh 7.
Step 3, dust removal and temperature reduction: a large amount of water vapor can be generated in the coke quenching process, the water vapor firstly passes through the plate heat exchanger 8 in the coke quenching tower 22 to be primarily cooled and then enters the dust removal device 10 through the steam guide pipe 20, and the wood baffle plate in the dust removal device 10 adsorbs solid substances in the water vapor through coke in the wood baffle plate. After passing over the dust removal device 10, the water vapor again enters the cooling tower 23 through the steam conduit 20, and since the water vapor has a relatively high velocity, the dust removal device also has the effect of slowing down the water vapor. Then the water vapor is cooled by the spray cooling device 12, condensed into small droplets and then flows into the sewage sedimentation and purification tank 21 through the output pipe 13.
Step 4, water circulation: waste water generated in each part of the coke quenching process flows into a sewage sedimentation and purification tank 21, the waste water is subjected to sedimentation and purification treatment in the sewage sedimentation and purification tank 21, the waste water is connected with the sewage sedimentation and purification tank 21 through an input pipe 15 to supplement a water source, and the treated water and the water supplemented through the input pipe 15 are conveyed to water pumps at all stages and the spray cooling device 12 through a conveying pipe 19 by a circulating water pump 14 for recycling.
Claims (5)
1. The utility model provides an environmental protection quenching device, its characterized in that, including quenching tower, dust collector, cooling tower, sewage sedimentation purification tank, be equipped with the coke conveyer belt in the quenching tower, coke conveyer belt low side is equipped with the fine screen, and the fine screen below is sewage sedimentation purification tank, the gas outlet connection dust collector of quenching tower upper end, dust collector connects the cooling tower, the cooling tower bottom is sewage sedimentation purification tank, sewage sedimentation purification tank passes through circulating water pump and supplies water to the spray system in the quenching tower and the spray cooling device in the cooling tower respectively.
2. The environment-friendly coke quenching device as claimed in claim 1, wherein the coke quenching tower is a closed tower body, an electric lifting door is arranged at an inlet of the tower body, the spraying device is arranged above the coke conveyor belt, a plate heat exchanger is further arranged above the coke conveyor belt, and an electric flap valve is arranged at a gas outlet above the plate heat exchanger.
3. The environmentally friendly quenching device of claim 1, wherein an exhaust fan is provided at an upper portion of the cooling tower.
4. The environment-friendly coke quenching device as claimed in claim 1, wherein a plurality of blind holes are arranged in the coke quenching tower, spray heads are arranged in the blind holes, and the spray heads are connected with a sewage sedimentation and purification tank through pipelines.
5. The environment-friendly coke quenching device as claimed in claim 1, wherein a plurality of blind holes are arranged in the cooling tower, spray heads are arranged in the blind holes, and the spray heads are connected with a sewage sedimentation and purification tank through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120627338.5U CN215049905U (en) | 2021-03-26 | 2021-03-26 | Environment-friendly coke quenching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120627338.5U CN215049905U (en) | 2021-03-26 | 2021-03-26 | Environment-friendly coke quenching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215049905U true CN215049905U (en) | 2021-12-07 |
Family
ID=79152559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120627338.5U Expired - Fee Related CN215049905U (en) | 2021-03-26 | 2021-03-26 | Environment-friendly coke quenching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215049905U (en) |
-
2021
- 2021-03-26 CN CN202120627338.5U patent/CN215049905U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |