Pph spray tower for waste gas treatment

By designing a cleaning mechanism and a heating adsorption component, the problems of incomplete impurity removal and exhaust gas heating in the PPH spray tower are solved, thereby improving the efficiency and effectiveness of exhaust gas treatment.

CN223555716UActive Publication Date: 2025-11-18HUADIAN HAMI ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202423047080.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-18
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing PPH spray towers do not thoroughly clean impurities from the demister layer and the bottom surface of the HEPA filter, resulting in ineffective removal of water vapor and impurities. Furthermore, they cannot heat the exhaust gas, reducing the activity of compounds and leading to low treatment efficiency.

Method used

A cleaning mechanism, including a drive assembly, screw, threaded block, scraper, etc., is used to clean the filter screen and the lower surface of the demisting layer; a heated adsorption assembly is used to improve the activity of exhaust gas molecules through a heating box, heating wire, ash-adhesive pad, etc.

Benefits of technology

It effectively cleans impurities on the surface of the filter screen and demister layer, improves the efficiency of exhaust gas treatment, and enhances the cleaning effect on harmful substances in the exhaust gas.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of waste gas treatment, and provides a pph spray tower for waste gas treatment, which comprises a tower body, a heating adsorption component arranged at the bottom of one side of the tower body, a waste water collecting box arranged at the bottom in the tower body, a baffle arranged above the waste water collecting box, a filling layer arranged above the baffle, and a water outlet arranged below the filling layer, a spraying device is arranged above the filling layer, a filter screen is arranged above the spraying device, a demisting layer is arranged above the filter screen, and a cleaning mechanism is arranged between the filter screen and the demisting layer. According to the pph spray tower for waste gas treatment, the cleaning mechanism is adopted, so that the lower surfaces of the filter screen and the demisting layer can be efficiently cleaned, the influence on the cleaning efficiency of waste gas due to excessive accumulation of impurities on the surfaces is prevented, and the heating adsorption assembly is adopted, so that the waste gas can be heated, the molecular activity in the waste gas can be improved, and the cleaning efficiency of the waste gas can be improved. Therefore, the subsequent waste gas treatment efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field especially relates to a kind of for waste gas treatment pph spray tower. BACKGROUND

[0002] PPH spray tower is a kind of spray type tray scrubber, mainly using pph plastic material is made, the equipment has good effect in industrial waste gas, waste water etc., the equipment simple structure, low in price, good corrosion resistance, and light weight, waste gas treatment capacity is big, it is applicable to the absorption purification treatment of acid mist gas generated in the production of instrument electroplating, metallurgy etc.

[0003] At present, the existing patent with the Chinese patent of patent publication number CN219128733U discloses a kind of for waste gas treatment pph spray tower, including pph spray tower main body, the one end of pph spray tower main body outer side is equipped with waste gas inlet, the top of pph spray tower main body is equipped with waste gas outlet, the side of pph spray tower main body is equipped with first spray pipe.The utility model is arranged by interlacing multiple groups of waste gas baffle, so that waste gas flows through, it is S-shaped to extend the flow time of waste gas in pph spray tower main body, to improve waste gas treatment effect, and waste gas flows through, and contacts with dust pad, so as to adhere to the dust and other particulate impurities in waste gas, to reduce the possibility of spray nozzle blockage, then through first spray pipe, back-shaped spray pipe and spray nozzle to spray water in pph spray tower main body, so as to carry out multistage spray treatment to waste gas, to improve the treatment effect of waste gas.

[0004] But in the implementation process of the above technical scheme, at least the following technical problems are found:

[0005] The above scheme uses demisting layer and HEPA filter screen to remove water vapor and impurities in waste gas finally, but cannot clean the impurities on the bottom surface of demisting layer and HEPA filter screen, long-term use leads to the removal effect of water vapor and impurities in waste gas is not obvious, in addition, waste gas cannot be heated when treating waste gas, leading to the activity of compounds in waste gas is reduced, the efficiency is not high when treating it, therefore, we provide a kind of for waste gas treatment pph spray tower. UTILITY MODEL CONTENT

[0006] (1) technical problem solved

[0007] In view of the deficiencies of the prior art, the utility model provides a pph spray tower for waste gas treatment, solves above -mentioned scheme adopts demisting layer and HEPA filter screen to lastly remove water vapor and impurity in waste gas, but cannot carry out cleaning to the impurity on the bottom surface of demisting layer and HEPA filter screen, long -term use leads to the removal effect of water vapor and impurity in waste gas is not obvious, in addition, when treating waste gas, waste gas cannot be heated, leading to the compound activity in waste gas reduces, when treating it, the technical problem of low efficiency.

[0008] (II) Technical scheme

[0009] In order to realize above -mentioned purpose, the utility model discloses the following technical scheme:

[0010] A pph spray tower for waste gas treatment, including tower body, the bottom of one side of tower body is provided with heating adsorption subassembly, the bottom of the other side of tower body is provided with water storage tank, the inside bottom of tower body is provided with waste water collection tank, the top of waste water collection tank is provided with baffle, the top of baffle is provided with filling layer, the top of filling layer is provided with spray device, the top of spray device is provided with filter screen, the top of filter screen is provided with demisting layer, and the filter screen and demisting layer are provided with cleaning mechanism between, the cleaning mechanism includes drive assembly, and drive assembly is arranged on the top of one side of tower body.

[0011] Preferably, the drive assembly includes a drive box, the drive box is fixedly connected to the top of one side of the tower body, the inside bottom of the drive box is fixedly installed with a motor, the output end of the motor is fixedly connected with a sprocket set, and the sprocket set is fixedly connected with a screw rod one and a screw rod two on one side.

[0012] By adopting the above technical scheme, the screw rod one and the screw rod two can be driven to rotate.

[0013] Preferably, the surface of the screw rod one and the screw rod two is respectively threadedly connected with a threaded block, the top of the threaded block is fixedly connected with a telescopic column, and the top of the telescopic column is fixedly connected with a scraper.

[0014] By adopting the above technical scheme, the lower surface of the filter screen and the demisting layer can be cleaned.

[0015] Preferably, the inside of the telescopic column is fixedly connected with a spring.

[0016] By adopting the above technical scheme, the cleaning effect of the scraper on the filter screen and the demisting layer is enhanced.

[0017] Preferably, the two sides of the scraper are respectively fixedly connected with a sliding block, and the inside of the tower body is provided with a sliding groove corresponding to the sliding block.

[0018] By adopting the technical scheme, the sliding blocks and sliding grooves on both sides of the scraper can limit the threaded block to prevent it from rotating.

[0019] Preferably, the heating adsorption assembly comprises a heating box, which is fixedly connected below one side of the tower body, one side of the heating box is provided with an air inlet, and the inside of the heating box is provided with an electric heating wire.

[0020] By adopting the technical scheme, the electric heating wire heats the waste gas, which can improve the molecular activity and the cleaning efficiency of the harmful substances in the waste gas.

[0021] Preferably, the surface of the heating box close to the air inlet is provided with a dust sticking pad, one side of the dust sticking pad is fixedly connected with a handle in the middle, and the top of the heating box is threadedly connected with an abutting bolt corresponding to the dust sticking pad.

[0022] By adopting the technical scheme, the abutting bolt can fix the dust sticking pad, and the dust sticking pad can adsorb the particulate matters in the waste gas.

[0023] Preferably, the bottom of the abutting bolt is fixedly connected with a rubber pad.

[0024] By adopting the technical scheme, the rubber pad can increase the friction between the abutting bolt and the dust sticking pad, and improve the fixing effect.

[0025] (Three) beneficial effects

[0026] Compared with the prior art, the beneficial effects of the utility model are:

[0027] The utility model discloses a cleaning mechanism, drive assembly, drive box, screw rod one, screw rod two, threaded block, telescopic column, scraper, sliding block, sliding groove and spring cooperate under the cooperation, can clean the lower surface of filter screen and demisting layer efficiently, prevent that surface impurity is too much, influence the cleaning efficiency of waste gas, and then adopt heating adsorption assembly, heating box, air inlet, electric heating wire, dust sticking pad, handle, abutting bolt and rubber pad cooperate, can heat waste gas, improve its internal molecular activity, thereby improve the processing efficiency of waste gas, can replace dust sticking board quickly simultaneously, improved the practicality of device. BRIEF DESCRIPTION OF DRAWINGS

[0028] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferably example of the utility model and cooperate with the drawings detailed description.

[0029] Figure 1 It is the three-dimensional structure schematic diagram in the embodiment of the utility model;

[0030] Figure 2 It is a structure schematic view of the cleaning mechanism in the utility model embodiment.

[0031] Figure 3 It is a structure schematic view of the scraper part in the utility model embodiment.

[0032] Figure 4 It is a structure schematic view of the heating and adsorption assembly in the utility model embodiment.

[0033] Legend: 1, tower body; 11, filter screen; 12, demisting layer; 13, filling layer; 14, baffle; 2, water storage tank; 3, spraying device; 4, cleaning mechanism; 41, driving assembly; 411, driving box; 412, motor; 413, chain wheel set; 42, screw one; 43, screw two; 44, threaded block; 45, telescopic column; 46, scraper; 47, sliding block; 48, sliding groove; 49, spring; 5, waste water collection tank; 6, heating and adsorption assembly; 61, heating box; 62, air inlet; 63, heating wire; 64, dust sticking pad; 65, handle; 66, abutting bolt; 67, rubber pad. DETAILED DESCRIPTION

[0034] The embodiment of the application provides a pph spraying tower for waste gas treatment, through the cooperation of the driving assembly, the driving box, the screw one, the screw two, the threaded block, the telescopic column, the scraper, the sliding block, the sliding groove and the spring, the lower surface of the filter screen and the demisting layer can be cleaned efficiently, the surface impurities are prevented from being accumulated too much, the cleaning efficiency of the waste gas is affected, the waste gas is heated through the cooperation of the heating box, the air inlet, the heating wire, the dust sticking pad, the handle, the abutting bolt and the rubber pad, the molecular activity in the waste gas is improved, the subsequent treatment efficiency of the waste gas is improved, the dust sticking plate can be replaced quickly, and the practicability of the device is improved.

[0035] Embodiment 1

[0036] The technical scheme in the embodiment of the application effectively solves the technical problem that the demisting layer and the HEPA filter screen can remove water vapor and impurities in waste gas, but cannot clean the impurities on the bottom surface of the demisting layer and the HEPA filter screen, long-term use leads to the fact that the removal effect of water vapor and impurities in waste gas is not obvious, in addition, the waste gas cannot be heated when the waste gas is treated, the activity of compounds in the waste gas is reduced, and the treatment efficiency is not high.

[0037] To address the problems existing in the prior art, this utility model provides a PPH spray tower for waste gas treatment, including a tower body 1. A heating adsorption component 6 is provided at the bottom of one side of the tower body 1, and a water storage tank 2 is provided at the bottom of the other side of the tower body 1. A wastewater collection tank 5 is provided at the bottom inside the tower body 1. A baffle 14 is provided above the wastewater collection tank 5. A filling layer 13 is provided above the baffle 14. A spray device 3 is provided above the filling layer 13. A filter screen 11 is provided above the spray device 3. A demisting layer 12 is provided above the filter screen 11. A cleaning mechanism 4 is provided between the filter screen 11 and the demisting layer 12. The cleaning mechanism 4 includes a drive component 41, which is located above one side of the tower body 1.

[0038] In some embodiments, the drive assembly 41 includes a drive housing 411, which is fixedly connected to the upper side of one side of the tower body 1. A motor 412 is fixedly installed at the bottom of the drive housing 411. A sprocket assembly 413 is fixedly connected to the output end of the motor 412. A first screw 42 and a second screw 43 are fixedly connected to one side of the sprocket assembly 413. Figures 1 to 4 As shown, when the motor 412 is turned on, it drives the sprocket assembly 413 to rotate, and the sprocket assembly 413 drives the screw 1 42 and the screw 2 43 to rotate.

[0039] In some embodiments, threaded blocks 44 are threadedly connected to the surfaces of screw 1 42 and screw 2 43, respectively. A telescopic column 45 is fixedly connected to the top of the threaded block 44, a scraper 46 is fixedly connected to the top of the telescopic column 45, and a spring 49 is fixedly connected inside the telescopic column 45. Figures 1 to 4 As shown, screw 42 and screw 43 drive the threaded block 44 on their surface to move to the other end, and drive the telescopic column 45 and scraper 46 to clean the filter screen 11 and the lower surface of the demisting layer 12. The spring 49 can make the scraper 46 fit tightly against the filter screen 11 and the demisting layer 12, thereby improving the cleaning effect.

[0040] In some embodiments, sliders 47 are fixedly connected to both sides of the scraper 46, and the interior of the tower body 1 is provided with grooves 48 corresponding to the sliders 47, such as... Figures 1 to 4 As shown, the sliders 47 and grooves 48 on both sides of the scraper 46 can restrict the threaded block 44 and prevent it from rotating.

[0041] In use, when the filter screen 11 and the lower surface of the demisting layer 12 are cleaned, the motor 412 is turned on to drive the sprocket set 413 to rotate, the sprocket set 413 drives the screw rod one 42 and the screw rod two 43 to rotate, the screw rod one 42 and the screw rod two 43 drive the threaded blocks 44 on the surfaces thereof to move to the other end, and the telescopic columns 45 and the scrapers 46 clean the lower surfaces of the filter screen 11 and the demisting layer 12. The springs 49 can make the scrapers 46 adhere to the filter screen 11 and the demisting layer 12, thereby improving the cleaning effect. Meanwhile, the sliding blocks 47 and the sliding grooves 48 on the two sides of the scraper 46 can limit the rotation of the threaded blocks 44.

[0042] Embodiment 2

[0043] Based on Embodiment 1, the present embodiment is a feasible technical solution for a pph spray tower for waste gas treatment, and the general idea is as follows:

[0044] In some embodiments, the heating adsorption assembly 6 comprises a heating box 61 fixedly connected below one side of the tower body 1. One side of the heating box 61 is provided with an air inlet 62, and the inside of the heating box 61 is provided with an electric heating wire 63. As shown in Figures 1 to 4 , the electric heating wire 63 heats the waste gas, which can improve the molecular activity and improve the cleaning efficiency of harmful substances in the waste gas.

[0045] In some embodiments, the heating box 61 is provided with a dust sticking pad 64 close to the surface of the air inlet 62. One side of the dust sticking pad 64 is fixedly connected with a handle 65 in the middle, and the top of the heating box 61 is threadedly connected with an abutting bolt 66 corresponding to the dust sticking pad 64. The bottom of the abutting bolt 66 is fixedly connected with a rubber pad 67. As shown in Figures 1 to 4 , the dust sticking pad 64 can adsorb particulate matters in the waste gas, and rotating the abutting bolt 66 can fix the dust sticking pad 64. The rubber pad 67 can increase the friction between the abutting bolt 66 and the dust sticking pad 64, thereby improving the fixing effect.

[0046] In use, the waste gas enters through the air inlet 62, is adsorbed by the dust sticking pad 64 to remove particulate matters, is heated by the electric heating wire 63, and then enters the inside of the tower body 1. The electric heating wire 63 heats the waste gas, which can improve the molecular activity and improve the cleaning efficiency of harmful substances in the waste gas. Meanwhile, rotating the abutting bolt 66 can fix the dust sticking pad 64, and the rubber pad 67 can increase the friction between the abutting bolt 66 and the dust sticking pad 64, thereby improving the fixing effect.

[0047] Working principle: in use, the exhaust gas enters through the air inlet 62, after the particulate matter is adsorbed by the dust sticking pad 64, after being heated by the heating wire 63, into the tower body 1, the heating wire 63 heats the exhaust gas, which can improve the molecular activity and improve the cleaning efficiency of harmful substances in the exhaust gas, at the same time, the rotating abutting bolt 66 can fix the dust sticking pad 64, the rubber pad 67 can increase the friction between the abutting bolt 66 and the dust sticking pad 64, improve the fixing effect, when cleaning the lower surface of the filter screen 11 and the demisting layer 12, the motor 412 is started to drive the sprocket set 413 to rotate, the sprocket set 413 drives the screw rod one 42 and the screw rod two 43 to rotate, the screw rod one 42 and the screw rod two 43 drive the threaded block 44 on the surface to move to the other end, and drive the telescopic column 45 and the scraper 46 to clean the lower surface of the filter screen 11 and the demisting layer 12, the spring 49 can make the scraper 46 close to the filter screen 11 and the demisting layer 12, improve the cleaning effect, at the same time, the sliding block 47 and the sliding groove 48 on both sides of the scraper 46 can limit the threaded block 44 to prevent it from rotating.

[0048] The structure and working principle of the filter screen 11, the demisting layer 12, the filling layer 13, the baffle 14, the water storage tank 2, the spraying device 3 and the wastewater collection tank 5 in the utility model have been disclosed in a pph spraying tower for waste gas treatment with Chinese patent publication No.

[0049] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled persons in the art, other different forms of changes or changes can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation modes. The obvious changes or changes derived therefrom are still within the protection scope of the utility model.

Claims

1. A pph spray tower for exhaust gas treatment comprising a tower body (1), characterized in that: The bottom of one side of the tower body (1) is provided with a heating adsorption assembly (6), the bottom of the other side of the tower body (1) is provided with a water storage tank (2), the inner bottom of the tower body (1) is provided with a wastewater collection tank (5), the upper side of the wastewater collection tank (5) is provided with a baffle (14), the upper side of the baffle (14) is provided with a filling layer (13), the upper side of the filling layer (13) is provided with a spraying device (3), the upper side of the spraying device (3) is provided with a filter screen (11), the upper side of the filter screen (11) is provided with a demisting layer (12), the filter screen (11) and the demisting layer (12) are provided with a cleaning mechanism (4), and the cleaning mechanism (4) comprises a driving assembly (41) arranged on the upper side of the tower body (1).

2. A pph spray tower for exhaust gas treatment according to claim 1, characterized in that: The driving assembly (41) comprises a driving box (411) fixedly connected to the upper side of the tower body (1), a motor (412) fixedly installed at the inner bottom of the driving box (411), a chain wheel set (413) fixedly connected to the output end of the motor (412), and a screw rod one (42) and a screw rod two (43) fixedly connected to one side of the chain wheel set (413).

3. A pph spray tower for exhaust gas treatment according to claim 2, characterized in that: The surfaces of the screw rod one (42) and the screw rod two (43) are respectively threadedly connected with threaded blocks (44), the top of each threaded block (44) is fixedly connected with an extension column (45), and the top of the extension column (45) is fixedly connected with a scraper (46).

4. A pph spray tower for exhaust gas treatment according to claim 3, characterized in that: The inside of the extension column (45) is fixedly connected with a spring (49).

5. A pph spray tower for exhaust gas treatment as claimed in claim 3, characterized in that: Both sides of the scraper (46) are fixedly connected with sliding blocks (47), and the tower body (1) is provided with sliding grooves (48) corresponding to the sliding blocks (47).

6. A pph spray tower for exhaust gas treatment as claimed in claim 1, characterized in that: The heating adsorption assembly (6) comprises a heating box (61) fixedly connected to the lower side of the tower body (1), an air inlet (62) arranged on one side of the heating box (61), and an electric heating wire (63) arranged on one side in the heating box (61).

7. A pph spray tower for exhaust gas treatment according to claim 6, characterized in that: A dust sticking pad (64) is inserted into the surface of the heating box (61) close to the air inlet (62), a handle (65) is fixedly connected to one side of the middle of the dust sticking pad (64), and an abutting bolt (66) is threadedly connected to the top of the heating box (61) corresponding to the dust sticking pad (64).

8. A pph spray tower for exhaust gas treatment according to claim 7, characterized in that: The bottom of the abutting bolt (66) is fixedly connected with a rubber pad (67).

Citation Information

Patent Citations

  • Pph spray tower for waste gas treatment

    CN219128733U