Water circulation purification device for coke oven water seal

Abstract

The utility model discloses a water circulation purification device for coke oven water seal, which comprises a furnace top water seal tank, an ascending pipe water seal tank and drum boiler equipment, and is characterized by further comprising a water tank and a sewage pump, the ascending pump and the ascending pipe water seal tank are communicated with the furnace top water seal tank, and a drainage pipe of the furnace top water seal tank is connected with a first water inlet pipe of the water tank; a blow-off pipe of the drum boiler equipment is connected with a second water inlet pipe of the water tank; a water outlet pipe of the water tank is connected with an inlet of the ascending pump; an outlet of the ascending pump is communicated with a water inlet pipe of the furnace top water seal tank; a blow-off pipe of the water tank is connected with an inlet of the blow-off pump, and an outlet of the blow-off pump is communicated with the ascending pipe. The device has the advantages that water in the furnace top water seal tank and the ascending pipe water seal tank and sewage discharged by drum boiler equipment can be simply purified and recycled, and water is used for sealing the tanks again, so that waste of water resources is avoided, and the problem that the water seal cannot be normally used due to insufficient water supply or insufficient water supplement of the water seal tanks is solved.

Description

Technical field:

[0001] The utility model relates to the field of water treatment, in particular to a coke oven water seal water circulation purification device. Background technology:

[0002] When the coking plant is in production, there are many water-using points in the coke oven area, including the furnace top water seal groove, which solves the furnace top sealing and cools down through water seal, and cooperates with the furnace cover or water seal cover to prevent dust overflow and air inhalation; including the riser water seal groove, the riser is installed at the riser port on the coke oven top, and is a coke oven auxiliary equipment for exporting raw coal gas in the carbonization chamber. The raw coal gas enters the purification equipment through the riser to purify dust, tar and other substances. The riser water seal groove prevents the raw coal gas from overflowing through water seal; including drum boiler equipment, the drum boiler will discharge a certain amount of sewage, and the components contained in the sewage generally include tar, dust and the like.

[0003] The water quality of the water in the furnace top water seal groove and the riser water seal groove deteriorates after long-term use and is usually discharged directly. The sewage discharged from the drum boiler is also discharged directly, which wastes water resources. Once the production site has insufficient water supply or too much dirt, the water seal cannot be replenished properly, which will also cause the water seal to fail to work normally. Therefore, in combination with water saving and avoiding water shortage, it is proposed to purify and reuse the above-mentioned discharged water. Utility model content:

[0004] The utility model aims to provide a coke oven water seal water circulation purification device.

[0005] The utility model is implemented by the following technical solutions:

[0006] A coke oven water seal water circulation and purification device, comprising a furnace top water seal groove, a riser water seal groove, a drum boiler device, a water tank, a sewage pump, and a riser pump, wherein the riser water seal groove is connected to the furnace top water seal groove, and the drainage pipe of the furnace top water seal groove is connected to the first water inlet pipe of the water tank;

[0007] The blowdown pipe of the drum boiler equipment is connected to the second water inlet pipe of the water tank;

[0008] The water outlet pipe of the water tank is connected to the inlet of the rising pump, and the outlet of the rising pump is connected to the water inlet pipe of the furnace top water seal groove;

[0009] The sewage pipe of the water tank is connected to the inlet of the sewage pump, and the outlet of the sewage pump is communicated with the rising pipe.

[0010] Preferably, the water tank comprises a tank body, a horizontal layer plate, and a cylindrical sedimentation partition, wherein the horizontal layer plate is arranged in the tank body, the horizontal layer plate is fixed to the inner wall of the tank body, and the horizontal layer plate divides the interior of the tank body into a sedimentation area and a clarification area from top to bottom;

[0011] The cylindrical settling partition is provided inside the settling area, the bottom end of the cylindrical settling partition is fixed to the horizontal layer plate, and the interior of the cylindrical settling partition is connected to the clarification area;

[0012] The side walls of the sedimentation zone are respectively provided with a first water inlet pipe, a second water inlet pipe, and a sewage discharge pipe, and the water outlet pipe of the water tank is arranged on the side wall of the clarification zone.

[0013] Advantages of the utility model: the utility model can simply purify and recycle the water in the furnace top water seal groove, the riser water seal groove and the sewage discharged from the drum boiler equipment, and use the return water to seal the groove again, so as to avoid waste of water resources and make up for the problem that the water seal cannot be used normally due to insufficient water supply or inadequate water replenishment in the water seal groove. Description of the drawings:

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the water tank structure.

[0017] In the figure: furnace top water seal groove 1, riser water seal groove 2, drum boiler equipment 3, water tank 4, sewage pump 5, riser pump 6, tank body 7, horizontal layer plate 8, cylindrical sedimentation partition 9, first water inlet pipe 10, second water inlet pipe 11, sewage pipe 12, water outlet pipe 13, sedimentation area 14, clarification area 15. Specific implementation method:

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] like Figure 1 , Figure 2As shown, a coke oven water seal water circulation purification device comprises a furnace top water seal groove 1, a riser water seal groove 2, a drum boiler device 3, a water tank 4, a sewage pump 5, and a riser pump 6. The riser water seal groove 2 is connected with the furnace top water seal groove 1, and the drainage pipe of the furnace top water seal groove 1 is connected with the first water inlet pipe 10 of the water tank 4. The water tank 4 is arranged at a low position, and the water in the riser water seal groove 2 and the furnace top water seal groove 1 can flow to the water tank 4 through the height difference to precipitate;

[0020] The sewage pipe of the drum boiler equipment 3 is connected to the second water inlet pipe 11 of the water tank 4, and the sewage of the drum boiler equipment 3 is discharged into the water tank 4 for sedimentation;

[0021] The water outlet pipe 13 of the water tank 4 is connected to the inlet of the riser pump 6, and the outlet of the riser pump 6 is connected to the water inlet pipe of the furnace top water seal groove 1. The clarified water in the water tank 4 is sent back to the furnace top water seal groove 1 for use through the riser pump 6;

[0022] The sewage pipe 12 of the water tank 4 is connected to the inlet of the sewage pump 5, and the outlet of the sewage pump 5 is connected to the riser. The water tank 4 contains sediment solution such as water, tar, and dust, which is sent to the riser through the sewage pump 5 and enters the purification equipment for purification together with the high-temperature and high-pressure raw coal gas. The high-temperature and high-pressure raw coal gas passes quickly and forms a negative pressure to take away the sediment solution. The high temperature can evaporate the water in the solution, and the high pressure can blow away the tar and solid components in the sediment solution.

[0023] The water tank 4 comprises a tank body 7, a horizontal layer plate 8, and a cylindrical sedimentation partition 9. The horizontal layer plate 8 is arranged inside the tank body 4, and the horizontal layer plate 8 is fixed to the inner wall of the tank body 4. The horizontal layer plate 8 divides the interior of the tank body 4 into a sedimentation area 14 and a clarification area 15 from top to bottom.

[0024] A cylindrical settling partition 9 is provided inside the settling zone 14, the bottom end of the cylindrical settling partition 9 is fixed to the horizontal layer plate 8, and the inside of the cylindrical settling partition 9 is connected to the clarification zone 15;

[0025] The side walls of the sedimentation zone 14 are provided with a first water inlet pipe 10, a second water inlet pipe 11, and a sewage pipe 12, respectively, and the water outlet pipe 13 of the water tank 4 is provided on the side wall of the clarification zone 15;

[0026] The water in the riser water seal groove 2 and the furnace top water seal groove 1, as well as the sewage from the drum boiler equipment 3 are discharged into the sedimentation area 14, precipitated and filtered, and the upper clarified water overflows from the top of the cylindrical sedimentation partition 9 and enters the clarification area 15 through the cylindrical sedimentation partition 9.

[0027] Working principle: When the utility model is in use, the water in the riser water seal groove 2 and the furnace top water seal groove 1 flows by gravity to the sedimentation area 14 in the water tank 4 for sedimentation, the sewage of the drum boiler equipment 3 is discharged into the sedimentation area 14 of the water tank 4 for sedimentation, the upper clarified water overflows from the top of the cylindrical sedimentation partition 9, passes through the cylindrical sedimentation partition 9 and enters the clarification area 15, the clarified water is sent back to the furnace top water seal groove 1 for use through the riser pump 6, the sediment solution including water, tar, dust, etc. in the water tank 4 is sent to the riser through the sewage pump 5, and enters the purification equipment for purification together with the raw coal gas of high temperature and high pressure.

[0028] The novel device can simply purify and recycle the water in the furnace top water seal groove 1, the riser water seal groove 2 and the sewage discharged from the drum boiler equipment 3, and use the return water to seal the groove again, so as to avoid the waste of water resources and make up for the problem that the water seal cannot be used normally due to insufficient water supply or inadequate water replenishment in the water seal groove.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A coke oven water seal water circulation purification device, comprising a furnace top water seal tank, a riser water seal tank, and a drum boiler device, characterized in that: It also includes a water tank, a sewage pump, and an ascending pump. The ascending pipe water seal groove is connected to the furnace top water seal groove, and the drainage pipe of the furnace top water seal groove is connected to the first water inlet pipe of the water tank; The blowdown pipe of the drum boiler equipment is connected to the second water inlet pipe of the water tank; The water outlet pipe of the water tank is connected to the inlet of the rising pump, and the outlet of the rising pump is connected to the water inlet pipe of the furnace top water seal groove; The sewage pipe of the water tank is connected to the inlet of the sewage pump, and the outlet of the sewage pump is communicated with the rising pipe.

2. A coke oven water seal water circulation purification device according to claim 1, characterized in that: The water tank comprises a tank body, a horizontal layer plate, and a cylindrical sedimentation partition. The horizontal layer plate is arranged in the tank body, and the horizontal layer plate is fixed to the inner wall of the tank body. The horizontal layer plate divides the interior of the tank body into a sedimentation area and a clarification area from top to bottom. The cylindrical sedimentation partition is provided inside the sedimentation zone, the bottom end of the cylindrical sedimentation partition is fixed to the horizontal layer plate, and the interior of the cylindrical sedimentation partition is connected to the clarification zone; The side walls of the sedimentation zone are respectively provided with a first water inlet pipe, a second water inlet pipe, and a sewage discharge pipe, and the water outlet pipe of the water tank is arranged on the side wall of the clarification zone.

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