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CN-224226845-U - Processing device for reducing hardness and TDS in coal gasification circulating water

CN224226845UCN 224226845 UCN224226845 UCN 224226845UCN-224226845-U

Abstract

The utility model discloses a treatment device for reducing hardness and TDS in coal gasification circulating water, which comprises two support plates, wherein one side surfaces of the two support plates, which are close to each other, are fixedly connected with a fine filter box together, and one side surfaces of the two support plates, which are close to each other, are fixedly connected with a chemical softening reaction box together. The device is provided with a cyclone plate and a lamination, water tangentially flows through the cyclone plate, flows through the lamination filter, the aperture of the cyclone plate is gradually reduced by 100 mu m to 50 mu m to 10 mu m, fine suspended matters are further intercepted, the fine suspended matters can be removed, the water flows through a vortex mixer, the water quality hardness is reduced through medicament injection (Na 2 CO 3 /PAC) and inclined tube precipitation filtration, and finally, the hardness and TDS of the water quality are effectively improved through active carbon layer (organic matter adsorption), zeolite layer (micron particle interception) and chelating resin Ca 2+ /Mg 2+ adsorption, so that the long-period stable operation of the coal gasification device is ensured.

Inventors

  • HUANG BIN
  • LI XUBIN
  • LIU WANLI
  • LIU ENMIN
  • LI YONGQIANG
  • LV ZHENG

Assignees

  • 宁夏宝立科技设计研究院有限责任公司
  • 宁夏畅亿清洁能源有限责任公司

Dates

Publication Date
20260512
Application Date
20250603

Claims (6)

  1. 1. The treatment device for reducing hardness and TDS in coal gasification circulating water is characterized by comprising two support plates (1), wherein one side surfaces of the two support plates (1) close to each other are fixedly connected with a fine filter tank (2), one side surface of the two support plates (1) close to each other is fixedly connected with a chemical softening reaction tank (25), an observation port (4) is formed in the upper surface of the fine filter tank (2), a sealing cover plate (24) is arranged on the inner side wall of the observation port (4), a display screen (3) is fixedly arranged on the front surface of the fine filter tank (2), two connecting bent pipes (5) are fixedly connected with one end of each connecting bent pipe (5) close to each other, two reagent injection tanks (6) are fixedly connected with the outer surface of each connecting bent pipe (5), a plurality of injection heads (7) are fixedly connected with one side surface of each other, two support plates (1) close to each other, a sealing cover plate (24) is fixedly connected with a sewage discharge pipe (9), a mud discharge pipe (13) is fixedly connected with a mud discharge pipe (13) and a mud discharge pipe (13), the utility model discloses a sewage treatment device, including chemistry softening reaction case (25), inside wall fixedly connected with ion exchange fine filtration subassembly (17), the bottom surface of fine filtration case (2) and the bottom surface of chemistry softening reaction case (25) are fixed intercommunication jointly and are had communicating pipe (19), the bottom of communicating pipe (19) runs through blow off case (9) and extends to the inside of blow off case (9), the fixed surface intercommunication of communicating pipe (19) has the solenoid valve, the inside fixed mounting of blow off case (9) has two whirl boards (20), the inside wall fixedly connected with suspended solid of blow off case (9) gets rid of layer (21), the inside wall fixedly connected with sedimentation plate (22) of blow off case (9), conical settling tank (23) have been seted up to the upper surface of sedimentation plate (22), and fine filtration case (2) are located the top of blow off case (9).
  2. 2. The treatment device for reducing the hardness and TDS in the coal gasification circulating water according to claim 1, wherein the upper surface of the fine filtering box (2) is fixedly connected with two supporting concave blocks (8), and the inner side walls of the two groups of supporting concave blocks (8) are fixedly connected with the outer surface of the medicament spraying tank (6).
  3. 3. The treatment device for reducing the hardness and TDS in the coal gasification circulating water according to claim 1, wherein two supporting inclined blocks (11) are fixedly connected to the bottom surface of the sewage disposal box (9), and one side surface of each supporting inclined block (11) away from each other is fixedly connected with one side surface of each supporting plate (1) close to each other.
  4. 4. The treatment device for reducing the hardness and TDS in the coal gasification circulating water according to claim 1, wherein two mounting holes (12) are formed in the upper surface of each supporting plate (1), and threads are formed in the inner ring of each mounting hole (12).
  5. 5. The treatment device for reducing the hardness and TDS in the coal gasification circulating water according to claim 1, wherein a stable clamping plate (15) is fixedly connected to the bottom surface of the sewage draining box (9), and the inner side wall of the stable clamping plate (15) is fixedly connected with the outer surface of the mud discharging pipe (13).
  6. 6. The treatment device for reducing the hardness and TDS in coal gasification circulating water according to claim 1, wherein two guide blocks (18) are fixedly connected to the inner bottom wall of the fine filter box (2), the top end of each guide block (18) is fixedly connected to the bottom surface of an ion exchange fine filter assembly (17), and the ion exchange fine filter assembly (17) comprises an activated carbon layer (1701), a zeolite layer (1702) and a chelating resin layer (1703).

Description

Processing device for reducing hardness and TDS in coal gasification circulating water Technical Field The utility model relates to the technical field of coal gasification circulating water treatment, in particular to a treatment device for reducing hardness and TDS in coal gasification circulating water. Background In the field of coal-to-glycol, the main sources of water used in the gasification process are desalted water, medium-pressure boiler feed water and part of recycled water, wherein the desalted water and part of recycled water are used as circulating water supplementing water for gasification, and the medium-pressure boiler feed water enters the gasification furnace as chilling water after passing through a washing tower and a chilling water filter. And finally, the circulating water and the chilling water are subjected to primary flash evaporation, secondary flash evaporation, tertiary flash evaporation and sedimentation in a clarification tank to obtain gasified circulating water. At present, the hardness and Total Dissolved Solids (TDS) of coal gasification circulating water are 1115-4180mg/L (normal value: 1800 mg/L) and 2135-4830mg/L (normal value: 2500 mg/L), and as the hardness and TDS of coal gasification circulating water are unstable and the numerical value is often high, the maintenance times of equipment such as a heat exchanger, a dehumidifier, a pump and a tubular venturi scrubber through which the circulating water flows are frequently increased, and the long-period stable operation of the whole set of equipment cannot be ensured. Disclosure of utility model The utility model aims to provide a treatment device for reducing hardness and TDS in coal gasification circulating water so as to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a reduce hardness and TDS's processing apparatus in coal gasification circulating water, includes two backup pads, two the backup pad is close to one side joint fixedly connected with meticulous rose box each other, two the backup pad is close to one side joint fixedly connected with chemistry softening reaction case each other, the viewing aperture has been seted up to the upper surface of meticulous rose box, sealed apron is installed to the inside wall of viewing aperture, the front fixed mounting of meticulous rose box has the display screen, the upper surface fixed connection of meticulous rose box has two connecting return bend, two connecting return bend is close to one end joint fixedly connected with two medicament injection cans each connecting return bend each other the surface all fixedly connected with a plurality of injection heads, two the backup pad is close to one side joint fixedly connected with blow-down tank each other, the front fixed mounting of blow-down tank has the lamination filter, the bottom surface fixedly connected with the mud pipe of blow-down tank, the surface fixedly connected with the exhaust valve of mud pipe, the inside wall fixedly connected with vortex mixer of meticulous rose box, the inside wall fixedly connected with the inside sedimentation subassembly of chemistry softening reaction tank, the inside sedimentation tank is fixedly connected with the inside wall of the sedimentation tank, the inside sedimentation tank is fixedly connected with the inside the sedimentation tank, and the fine filter box is positioned above the sewage draining box. In a further embodiment, the upper surface of the fine filtration tank is fixedly connected with two support concave blocks, and the inner side walls of the two groups of support concave blocks are fixedly connected with the outer surface of the medicament injection tank. In a further embodiment, the bottom surface of the sewage draining box is fixedly connected with two supporting inclined blocks, and one side surface of the two supporting inclined blocks, which is far away from each other, is fixedly connected with one side surface of the supporting plate, which is close to each other, respectively. In a further embodiment, two mounting holes are formed in the upper surface of each supporting plate, and the inner ring of each mounting hole is provided with threads. In a further embodiment, the bottom surface of the sewage draining box is fixedly connected with a stable clamping plate, and the inner side wall of the stable clamping plate is fixedly connected with the outer surface of the mud discharging pipe. In a further embodiment, the inner bottom wall of the fine filter box is fixedly connected with two guide blocks, the top end of each guide block is fixedly connected with the bottom surface of the ion exchange fine filter assembly, and the ion exchange fine filter assembly comprises an activated carbon layer, a zeolite layer and a chelating resin layer. Compared with the prior art, the utility model has the beneficial effects