WASTE GAS PURIFICATION APPARATUS AND RESIDUAL HEAT UTILIZATION AND CONTROL DEVICE FOR INTELLIGENT PRINTING AND DYEING WASTE GAS

20250091002

18/641875

April 22, 2024

The invention provides a waste gas purification apparatus and residual heat utilization and control device for intelligent printing and dyeing waste gas. The apparatus includes: a circulating water storage tank; a liquid circulation tank; a water filtration system, connected to the storage tank; a bubble generation device, connected to the storage tank; and an organic waste gas removal device. An upper end of the waste gas removal device is connected to the bubble generation device and the liquid circulation tank, and a lower end is connected to the liquid circulation tank. The utilization and control device includes a residual heat cascade utilization unit, a spraying unit, a composite pulse static absorption column unit, a twin-stage high-temperature water white smoke elimination unit, and an air discharge unit sequentially disposed in a waste gas flow direction, and includes an oil-water separation box, a sodium chloride electrolysis device, and the purification apparatus.

1. A waste gas purification apparatus, comprising: a circulating water storage tank; a liquid circulation tank; a water filtration system, connected to the circulating water storage tank; a bubble generation device, connected to the circulating water storage tank; and an organic waste gas removal device, wherein an upper end of the organic waste gas removal device is connected to the bubble generation device and the liquid circulation tank, and a lower end of the organic waste gas removal device is connected to the liquid circulation tank, wherein the organic waste gas removal device comprises a support base, a reaction tank is assembled on an upper end of the support base, a drive motor is assembled on the reaction tank, a first connecting pipe and a second connecting pipe are assembled on the reaction tank, the first connecting pipe is connected to the liquid circulation tank, the second connecting pipe is connected to the bubble generation device, and a bottom of the reaction tank is connected to the liquid circulation tank by a third connecting pipe; and a gas outlet pipe is assembled on an upper end of the reaction tank; a connecting shaft is coaxially disposed on an output shaft of the drive motor, a flow guide vane is disposed on the connecting shaft, and an edge of the flow guide vane is tangential to an inner wall of the reaction tank; and a fixing lead screw is disposed in the reaction tank, the fixing lead screw is disposed on an upper end of the third connecting pipe, a micro motor is disposed between the fixing lead screw and the third connecting pipe, and a bubble cleaning assembly is disposed on the fixing lead screw; and two spiral grooves at equal distances from the flow guide vane are respectively opened on the connecting shaft at an upper side and a lower side of the flow guide vane, and the bubble cleaning assembly is slidably connected to the spiral grooves.

2. The waste gas purification apparatus according to claim 1, wherein the bubble cleaning assembly comprises a rotating block and a rotating frame, an inner thread is provided on the rotating block, the rotating block is assembled on the fixing lead screw by the inner thread, and an inner cylinder cleaning pad is disposed on each of an upper plane and a lower plane of the rotating block; the rotating frame is rotatably assembled at a center of a side wall of the rotating block, two sliding blocks are assembled on the rotating frame, the two sliding blocks are slidably assembled in the two spiral grooves respectively, a pair of brush vane plates are disposed opposite on inner sides of the two sliding blocks, and a brush is disposed on the brush vane plate.

3. The waste gas purification apparatus according to claim 2, wherein an outer cylinder cleaning pad is coaxially slidably sleeved on the connecting shaft, a rotating shaft is disposed on an outer side surface of the sliding block, a two-way telescopic device is slidably disposed on the rotating shaft, and the two-way telescopic device is inserted in the outer cylinder cleaning pad.

4. The waste gas purification apparatus according to claim 1, wherein an exhaust port is disposed on an upper end of the liquid circulation tank, and a water suction pump is assembled on an end of the first connecting pipe connected to the liquid circulation tank.

5. A residual heat utilization and control device for intelligent printing and dyeing waste gas, comprising a residual heat cascade utilization unit, a spraying unit, a composite pulse static absorption column unit, a twin-stage high-temperature water white smoke elimination unit, and an air discharge unit that are sequentially disposed in a waste gas flow direction, and further comprising an oil-water separation box, a sodium chloride electrolysis device, and the waste gas purification apparatus according to claim 1, wherein the oil-water separation box is connected to the waste gas purification apparatus, the sodium chloride electrolysis device, the composite pulse static absorption column unit, and the residual heat cascade utilization unit respectively, the sodium chloride electrolysis device is connected to the spraying unit, and the waste gas purification apparatus is connected to the spraying unit, the composite pulse static absorption column unit, and the oil-water separation box respectively.

6. The residual heat utilization and control device for intelligent printing and dyeing waste gas according to claim 5, wherein the spraying unit comprises a micro bubble water spraying device, a hypochlorous acid/water spraying device, and a sodium hydroxide water spraying device, and the micro bubble water spraying device is connected to a bubble generation device in the waste gas purification apparatus by the first connecting pipe.

7. The residual heat utilization and control device for intelligent printing and dyeing waste gas according to claim 5, wherein the composite pulse static absorption column unit comprises a first composite pulse static absorption column and a second composite pulse static absorption column that are connected to each other, an exhaust port of the first composite pulse static absorption column is in fluid communication with an air inlet of the second composite pulse static absorption column, and the gas outlet pipe in the waste gas purification apparatus is in fluid communication with the air inlet of the second composite pulse static absorption column.

8. The residual heat utilization and control device for intelligent printing and dyeing waste gas according to claim 5, wherein a first liquid inlet pipe in the waste gas purification apparatus is in fluid communication with the oil-water separation box.

9. The residual heat utilization and control device for intelligent printing and dyeing waste gas according to claim 5, wherein the residual heat cascade utilization unit comprises a high-temperature gas-gas heat exchanger, a middle-temperature gas-water heat exchanger, and a low-temperature gas-gas heat exchanger that are sequentially disposed in the waste gas flow direction.

10. The residual heat utilization and control device for intelligent printing and dyeing waste gas according to claim 5, further comprising a plurality of alkaline water automatic washing devices, wherein the plurality of alkaline water automatic washing device are respectively disposed in the residual heat cascade utilization unit and the composite pulse static absorption column unit.

11. The residual heat utilization and control device for intelligent printing and dyeing waste gas according to claim 5, further comprising a plurality of adhesive automatic detection devices, and the plurality of adhesive automatic detection devices are respectively disposed in the residual heat cascade utilization unit and the composite pulse static absorption column unit.

12. The residual heat utilization and control device for intelligent printing and dyeing waste gas according to claim 5, wherein the air discharge unit comprises an air discharge pipe and an exhaust fan and a real-time gas monitoring device that are disposed in the air discharge pipe.

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