Alkali liquor circulating equipment for washing tower
By installing a filtering device and a pH monitoring system in the water tank of the washing tower, the problem of impurities in the washing liquid clogging the nozzle was solved, and the recycling of the alkali solution and the improvement of purification efficiency were achieved.
Patent Information
- Application Number
- CN202422184517.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-09-06
AI Technical Summary
The water tank of the existing washing tower does not have a filtering function, which causes impurities in the washing liquid to easily enter the spray pipe, causing the nozzle to be blocked, shortening the service life and increasing the difficulty of maintenance.
A filtering device is installed in the water tank, and a mesh barrel and gear assembly are used to filter and stir the washing liquid. Impurities are separated through a reflux pipe to avoid nozzle clogging, and the alkali concentration is optimized through a pH concentration monitor to achieve recycling of the alkali solution.
It improves the quality of alkali solution, prevents precipitation, extends the life of the nozzle, simplifies the cleaning process, reduces alkali consumption, and improves the efficiency of waste gas purification.
Smart Images

Figure CN223381375U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of waste gas tower equipment, in particular to an alkaline solution circulation device for a washing tower. Background Art
[0002] Alkaline tower refers to the purification equipment that absorbs and filters harmful substances and dust in acidic gases emitted by factories. It is a device that uses chemicals and wet treatment methods to purify toxic and harmful waste gases and is widely used in industrial waste gas treatment.
[0003] Patent Publication No. CN216953827U discloses a spray tower that stirs the medicine in a water tank to ensure thorough mixing within the water tank, preventing precipitation of the drug components within the water tank. A water pump then pumps the solution from the water tank through a liquid extraction pipe and a liquid infusion pipe to a spray pipe within the tower. The solution is then sprayed through an atomizing nozzle on the spray pipe to treat the exhaust gas within the tower. However, this prior art water tank lacks the ability to filter the washing liquid, allowing impurities in the washing liquid to easily enter the nozzle, causing nozzle blockage, shortening the nozzle's service life, and complicating subsequent maintenance. Utility Model Content
[0004] In response to the above problems, the utility model provides an alkali liquid circulation device for a washing tower. By arranging a filtering device in the water tank, it has the function of filtering the washing liquid, realizing the recycling of the alkali liquid, and preventing the atomizing nozzle on the spray pipe from being clogged by impurities. It has a simple structure and is easy to clean.
[0005] The technical solution of the utility model is as follows:
[0006] A lye circulation device for a washing tower, wherein a return pipe is provided at the bottom of the tower body, and the other end of the return pipe is connected to the water inlet at the top of the water tank; a support plate is provided at the top of the water tank, and a filter assembly is mounted on the support plate, wherein the filter assembly includes a motor arranged at the top of the water tank, the output shaft of the motor is connected to a driving gear, the driving gear is accommodated in the support plate, the driving gear is meshed with a driven gear, the middle part of the driven gear is a hollow structure, a support port is rotatably inserted into the driven gear, the support port is fixedly mounted on the support plate, the position and size of the water inlet match the support port, a mesh screen barrel is detachably mounted on the driven gear, an insert is provided on the circumference of the top of the mesh screen barrel, a slot matching the insert is provided on the driven gear, and a groove that can be mounted on the support port is provided on the top of the mesh screen barrel; a water suction pipe is installed at the bottom of the water tank, a water pump is provided on the water suction pipe, and the other end of the water suction pipe is connected to the spray device of the tower body.
[0007] The working principle of the above technical solution is as follows:
[0008] The utility model is a lye circulation device for a washing tower. When acidic gas is washed, impurities and washing liquid generated after exhaust gas washing flow into the mesh barrel in the water tank through the reflux pipe. The mesh barrel is placed in the support port, and the plug on the mesh barrel is clamped in the slot on the driven gear, so that the driven gear drives the mesh barrel to rotate, and then drives the impurities to perform centrifugal motion in the mesh barrel, so as to realize the recovery of alkali liquid. The washing liquid filtered by the mesh barrel is pumped into the spray device by the water pump for spraying, so as to avoid the atomizing nozzle on the spray pipe being blocked by impurities, which can further improve the efficiency of exhaust gas purification and realize the recycling of alkali liquid. After the spraying is completed, the mesh barrel can be taken out for cleaning and replacement.
[0009] The utility model has the function of filtering the washing liquid by arranging a filtering device in the water tank, thereby improving the quality of the alkali liquid. The alkali liquid in the water tank can be stirred and mixed by rotating the mesh screen barrel to prevent the alkali liquid from settling, and the alkali liquid can be recycled and utilized. The device has a simple structure and is easy to clean.
[0010] In a further technical solution, a rotating rod is provided at the bottom of the mesh screen barrel, and a rotating groove matching the rotating rod is provided at the bottom of the water tank, thereby improving the rotation stability of the mesh screen barrel.
[0011] In a further technical solution, the top of the water tank is a detachable structure, which makes it easy to take out the screen bucket for cleaning and replacement.
[0012] In a further technical solution, a feeding port is provided on one side of the top of the water tank, and a pH concentration monitor is provided in the water tank. The pH value in the water tank is monitored by the pH concentration monitor, and concentrated alkali and soft water are added according to the internal concentration, thereby reducing the error in alkali solution preparation and reducing alkali consumption.
[0013] In a further technical solution, the bottom of the tower body is in a conical shape, which can ensure that the impurities and washing liquid left after the exhaust gas is washed flow into the water tank through the conical bottom of the tower body.
[0014] The beneficial effects of the utility model are:
[0015] 1. The utility model has the function of filtering the washing liquid by arranging a filtering device in the water tank, thereby improving the quality of the alkali solution. The alkali solution in the water tank can be stirred and mixed by rotating the mesh barrel to prevent the alkali solution from settling and realize the recycling of the alkali solution. The device has a simple structure and is easy to clean.
[0016] 2. A rotating rod is provided at the bottom of the mesh screen barrel, and a rotating groove matching the rotating rod is provided at the bottom of the water tank to improve the rotation stability of the mesh screen barrel;
[0017] 3. The top of the water tank is a detachable structure, which makes it easy to remove the screen bucket for cleaning and replacement;
[0018] 4. The pH value in the water tank is monitored by a pH concentration monitor, and concentrated alkali and soft water are added according to the internal concentration, which reduces the error in alkali solution preparation and reduces alkali consumption. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural schematic diagram of the alkali solution circulation equipment for the washing tower according to an embodiment of the utility model;
[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the water tank;
[0021] Figure 3 1. It is a schematic diagram of the connection structure between the driving gear and the driven gear from a top view;
[0022] Figure 4 It is a structural diagram of a mesh screen barrel.
[0023] Description of reference numerals:
[0024] 10. Tower body; 20. Return pipe; 30. Water tank; 31. Motor; 32. Driving gear; 33. Driven gear; 34. Support plate; 35. Support port; 36. Rotating trough; 37. Water inlet; 40. Feeding port; 50. Suction pipe; 60. Suction pump; 70. Screen bucket; 71. Insert block; 72. Rotating rod. DETAILED DESCRIPTION
[0025] The embodiments of the present invention will be further described below with reference to the accompanying drawings.
[0026] Example:
[0027] A lye circulation device for a washing tower, such as Figures 1 to 3As shown, a return pipe 20 is provided at the bottom of the tower body 10, and the other end of the return pipe 20 is connected to the water inlet 37 at the top of the water tank 30; a support plate 34 is provided at the top of the water tank 30, and a filter assembly is mounted on the support plate 34. The filter assembly includes a motor 31 provided at the top of the water tank 30, and the output shaft of the motor 31 is connected to a driving gear 32, which is accommodated on the support plate 34. The driving gear 32 is meshed with a driven gear 33, and the middle part of the driven gear 33 is a hollow structure, and a rotatable sleeve is inserted into the driven gear 33. The support port 35 is fixedly mounted on the support plate 34, the position and size of the water inlet 37 match the support port 35, a mesh barrel 70 is detachably mounted on the driven gear 33, an insert block 71 is provided on the top circumference of the mesh barrel 70, a slot matching the insert block 71 is provided on the driven gear 33, and a groove is provided on the top of the mesh barrel 70 that can be mounted on the support port 35; a water pump 50 is installed at the bottom of the water tank 30, a water pump 60 is provided on the water pump 50, and the other end of the water pump 50 is connected to the spray device of the tower body 10.
[0028] When the alkali liquid circulation equipment for a washing tower of the present invention is used in practice, when acidic gas is washed, impurities and washing liquid generated after exhaust gas washing flow into the mesh barrel 70 in the water tank 30 through the reflux pipe 20, and the mesh barrel 70 is placed in the support opening 35, and the plug 71 on the mesh barrel 70 is clamped in the slot on the driven gear 33, so that the driven gear 33 drives the mesh barrel 70 to rotate, and then drives the impurities to perform centrifugal motion in the mesh barrel 70, so as to realize the recovery of the alkali liquid, and the washing liquid filtered by the mesh barrel 70 is pumped into the spray device by the water pump 60 for spraying, so as to avoid the atomizing nozzle on the spray pipe being blocked by impurities, which can further improve the efficiency of exhaust gas purification and realize the recycling of alkali liquid. After the spraying is completed, the mesh barrel 70 can be taken out for cleaning and replacement.
[0029] The utility model has the function of filtering the washing liquid by arranging a filtering device in the water tank 30, thereby improving the quality of the alkali solution. The alkali solution in the water tank 30 can be stirred and mixed by rotating the mesh barrel 70 to prevent the alkali solution from settling, so that the alkali solution can be recycled and utilized. The device has a simple structure and is easy to clean.
[0030] In another embodiment, Figure 4 As shown, a rotating rod 72 is provided at the bottom of the mesh barrel 70 , and a rotating groove 36 matching the rotating rod 72 is provided at the bottom of the water tank 30 to improve the rotation stability of the mesh barrel 70 .
[0031] In another embodiment, the top of the water tank 30 is a detachable structure, which facilitates the removal of the mesh bucket 70 for cleaning and replacement.
[0032] In another embodiment, a feeding port 40 is provided on one side of the top of the water tank 30, and a pH concentration monitor is provided in the water tank 30. The pH value in the water tank 30 is monitored by the pH concentration monitor, and concentrated alkali and soft water are added according to the internal concentration, thereby reducing the error in the preparation of the alkali solution and reducing the alkali consumption.
[0033] In another embodiment, the bottom of the tower body 10 is in a conical shape, which can ensure that the impurities and washing liquid left after the exhaust gas is washed flow into the water tank 30 through the conical bottom of the tower body 10 .
[0034] In this embodiment, the tower body 10, the screen barrel 70, and the water tank 30 are all made of stainless steel, and the return pipe 20 and the pumping pipe 50 are made of plastic, which can prevent corrosion by alkaline liquid and rust, thereby increasing the service life of the device.
[0035] The above-described embodiments merely represent specific implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the scope of the present invention, all of which fall within the scope of protection of the present invention.
Claims
1. An alkali solution circulation device for a washing tower, comprising a tower body and a water tank, characterized in that: The bottom of the tower body is provided with a return pipe, the other end of the return pipe is connected to the water inlet at the top of the water tank; the top of the water tank is provided with a support plate, and a filter assembly is mounted on the support plate. The filter assembly includes a motor arranged on the top of the water tank, the output shaft of the motor is connected to a driving gear, the driving gear is accommodated in the support plate, the driving gear is meshed with a driven gear, the middle part of the driven gear is a hollow structure, a support port is rotatably inserted in the driven gear, the support port is fixedly mounted on the support plate, the position and size of the water inlet match the support port, a mesh screen bucket is detachably mounted on the driven gear, an insert block is provided on the top circumference of the mesh screen bucket, a slot matching the insert block is provided on the driven gear, and a groove that can be mounted on the support port is provided on the top of the mesh screen bucket; a water suction pipe is installed at the bottom of the water tank, a water pump is provided on the water suction pipe, and the other end of the water suction pipe is connected to the spray device of the tower body.
2. The alkali solution circulation equipment for a washing tower according to claim 1, characterized in that A rotating rod is provided at the bottom of the mesh screen barrel, and a rotating groove matching the rotating rod is provided at the bottom of the water tank.
3. The alkali solution circulation equipment for washing tower according to claim 1, characterized in that The top of the water tank is a detachable structure.
4. The alkali solution circulation equipment for a washing tower according to claim 1, characterized in that A feeding port is provided on one side of the top of the water tank, and a pH concentration monitor is provided in the water tank.
5. The alkali solution circulation equipment for washing tower according to claim 1, characterized in that, The bottom of the tower body is in a conical shape.