A waste incineration fly ash filtering collection and treatment device

Abstract

The application discloses a waste incineration fly ash filtering, collecting and processing device, and relates to the technical field of fly ash filtering devices.The device comprises an exhaust pipeline, the top of which is fixedly provided with an air suction pump; a fly ash processor is arranged at the air inlet end of the exhaust pipeline, and the fly ash processor is used for filtering and collecting fly ash in waste incineration gas; the fly ash processor comprises a filtering shell, a mounting cover, two groups of adsorption filtering structures, a switching structure and two linkage ash removal structures; an air inlet groove is formed in the front side of the upper portion of the filtering shell; the mounting cover is mounted on the front side of the filtering shell, and an air inlet is formed in the mounting cover and located at the front side of the air inlet groove; two mounting grooves are formed between the air inlet groove and the rear side of the filtering shell; and the two groups of adsorption filtering structures are respectively mounted in the two mounting grooves. The fly ash processor can filter and collect fly ash generated by waste incineration equipment, and the two groups of adsorption filtering structures can continuously perform filtering and collecting work in cooperation with the switching structure and the linkage ash removal structure.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fly ash filtering device, and particularly relates to a waste incineration fly ash filtering, collecting and processing device. BACKGROUND

[0002] Waste incineration is to burn solid waste at high temperature, and main components are converted into gas, liquid pollutants and solid residues, so that volume reduction is realized and harmful components are reduced as much as possible through pyrolysis, combustion and post-processing. Fine particle residues in the fly ash waste incineration process usually contain a certain amount of harmful heavy metals and water-insoluble inorganic substances, and some substances can be recycled under safe conditions.

[0003] A waste incineration fly ash collecting and processing device is disclosed in CN113842730B, which comprises a box body, a spraying device, a power device, a partition plate, a first filter screen and a second filter screen are fixedly connected in the box body, a scrubbing device is installed on the upper end of the partition plate, and a knocking device is fixedly connected to the lower end of the scrubbing device; a discharge device is fixedly connected to the lower end of the box body; an air inlet pipe is fixedly connected to the front end of the box body, and an air outlet pipe is fixedly connected to the rear end of the box body.

[0004] In the above technical solution, the fly ash collecting and processing device needs to be frequently stopped for cleaning when the fly ash on the filter screen is seriously accumulated after working for a period of time, so the efficiency is reduced, the service life of the filter screen is short, and the fly ash collection is not convenient. SUMMARY

[0005] The present application aims to provide a waste incineration fly ash filtering, collecting and processing device, which solves the problem that the fly ash on the filter screen is seriously accumulated after working for a period of time, so the efficiency is reduced, the service life of the filter screen is short, and the fly ash collection is not convenient.

[0006] The present application solves the above technical problems through the following technical solutions, and the present application comprises:

[0007] An exhaust pipeline is fixedly installed at the top thereof and is provided with an air suction pump;

[0008] A fly ash processor is arranged at the air inlet end of the exhaust pipeline, and is used for filtering and collecting fly ash in waste incineration gas. The fly ash processor comprises a filter shell, a mounting cover, two groups of adsorption and filtration structures, a switching structure and two linkage descaling structures. An air inlet groove is formed in the front side of the upper part of the filter shell. The mounting cover is mounted on the front side of the filter shell, and an air inlet is formed in the front side of the air inlet groove. Two mounting grooves are formed between the air inlet groove and the rear side of the filter shell, and the two groups of adsorption and filtration structures are respectively arranged in the two mounting grooves.

[0009] The adsorption filter structure is used for adsorbing and filtering fly ash in gas, and comprises a filter layer, a mounting frame and a plurality of corona wires, the mounting frame is mounted at the rear side edge of an air inlet groove, the filter layer is mounted in the mounting frame and located in the mounting groove, a plurality of mounting areas are arranged on the filter layer at intervals, and the plurality of corona wires are located in the mounting groove and mounted in the mounting areas.

[0010] The switching structure is used for switching the use of the two groups of adsorption filter structures, and comprises a multi-stage hydraulic cylinder and a control plate, the control plate is clamped in the mounting groove, and the multi-stage hydraulic cylinder is fixedly mounted at one side of the filter shell.

[0011] The linkage deashing structure is used for separating and collecting fly ash attached to the adsorption filter structure when the use of the adsorption filter structure is switched, and a fly ash discharging port is arranged at the bottom of the front side of the adsorption filter structure in the mounting groove.

[0012] Preferably, the linkage deashing structure is located at the top of the filter shell on both sides, and comprises a contact plate, a liquid storage tank, a mounting cylinder, a connecting pipe, a control rod and a scraping plate, the liquid storage tank is mounted at the top of the filter shell, a through groove is arranged between the liquid storage tank and the air inlet groove, the contact plate is arranged in the liquid storage tank through the through groove at the top, a sealing plate is mounted at the top of the contact plate and clamped in the liquid storage cavity, the mounting cylinder is fixedly mounted at the top of the filter shell and located above the mounting groove, the scraping plate is attached to the top of the front side of the filter layer, a through hole is arranged between the mounting groove and the top of the filter shell, the control rod is mounted at the top of the scraping plate and arranged in the mounting cylinder through the through hole, and a sealing piece is mounted at the top of the control rod and clamped in the mounting cylinder.

[0013] Preferably, the liquid storage tank is filled with a conductive medium, and the conductive medium is hydraulic oil or water.

[0014] Preferably, the linkage deashing structure further comprises a limiting spring, the limiting spring is sleeved outside the control rod and located between the sealing piece and the inner wall of the mounting cylinder.

[0015] Preferably, the bottom of the contact plate is a slope gradually narrowing from the edge of the fly ash processor to the center position, and the top of the control plate is provided with a contact arc surface on both sides.

[0016] Preferably, a plurality of clamping grooves are arranged on the rear side of the scraping plate, and the corona wires are clamped in the clamping grooves.

[0017] Preferably, a baffle is mounted on the bottom of the scraping plate through a connecting rod, and the baffle is clamped in the fly ash discharging port.

[0018] Preferably, the ash outlet is provided with an ash collecting cavity between the ash outlet and the bottom of the filter shell, the bottom of the filter shell is provided with an ash collecting shell communicated with the ash collecting cavity, and the bottom of the ash collecting shell is provided with an ash discharging pipe.

[0019] Preferably, the mounting cover is provided with a connecting pipeline outside the air inlet.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] 1. The fly ash processor can filter and collect the fly ash generated by the waste incineration equipment, and the two groups of adsorption filter structures cooperate with the switching structure and the linkage ash removal structure to continuously filter and collect the fly ash, thereby greatly improving the efficiency.

[0022] 2. The adsorption filter structure is composed of a filter layer and a corona wire, and most of the fly ash can be adsorbed around the corona wire during use, thereby greatly reducing the adhesion of fly ash on the filter layer and prolonging the service life of the filter layer.

[0023] 3. The linkage ash removal structure automatically cleans the adsorption filter assembly filled with fly ash according to the use of the adsorption filter assembly, and has good cleaning effect and high accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a front view of the structure of the present application;

[0025] Figure 2 It is a rear view of the structure of the present application;

[0026] Figure 3 It is a front view of the structure of the fly ash processor of the present application;

[0027] Figure 4 It is a rear view of the structure of the fly ash processor of the present application;

[0028] Figure 5 It is a front view of the internal structure of the filter shell of the present application;

[0029] Figure 6 It is a front view of the adsorption filter structure of the present application;

[0030] Figure 7 It is an exploded view of the linkage ash removal structure of the present application;

[0031] Figure 8 It is a sectional view of the filter shell of the present application.

[0032] The numbers in the figure represent:

[0033] 1. Exhaust pipe; 2. Suction pump; 3. Fly ash processor; 4. Filter shell; 5. Mounting cover; 6. Adsorption filtration structure; 601. Filter layer; 602. Mounting frame; 603. Corona wire; 7. Switching structure; 701. Multi-stage hydraulic cylinder; 702. Control board; 8. Linked ash removal structure; 801. Contact plate; 802. Liquid storage tank; 803. Mounting cylinder; 804. Connecting pipe; 805. Control rod; 806. Scraper; 807. Limit spring; 9. Slot; 10. Baffle; 11. Ash collection chamber; 12. Ash collection shell; 13. Ash discharge pipe; 14. Connecting pipe; 15. Air inlet slot; 16. Air inlet; 17. Mounting slot; 18. Ash discharge port. Detailed Implementation

[0034] The above-mentioned and other technical features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.

[0035] This embodiment provides a technical solution: a waste incineration fly ash filtration, collection, and treatment device, such as... Figures 1-8 As shown, the present invention includes an exhaust pipe 1 and a fly ash processor 3.

[0036] In specific implementations, such as Figure 1 and Figure 2 As shown, an air intake pump 2 is fixedly installed on the top of the exhaust pipe 1. A fly ash processor 3 is installed at the air inlet end of the exhaust pipe 1. The fly ash processor 3 is used to filter and collect fly ash in the waste incineration gas. The fly ash processor 3 is connected to the exhaust end of the waste incineration equipment. The flue gas and fly ash generated in the waste incineration equipment can enter the fly ash processor 3. The fly ash processor 3 includes a filter shell 4, a mounting cover 5, two sets of adsorption filter structures 6, a switching structure 7, and two linkage ash removal structures 8. An air inlet groove 15 is opened on the front side of the upper part of the filter shell 4. The mounting cover 5 is installed on the front of the filter shell 4. An air inlet 16 is provided on the side of the mounting cover 5, located in front of the air inlet slot 15. The exhaust end of the waste incineration equipment is connected to the air inlet 16. After being processed by the adsorption filter structure 6, the fly ash in the incineration gas can be filtered. Two mounting slots 17 are provided between the air inlet slot 15 and the rear side of the filter shell 4. The two sets of adsorption filter structures 6 are installed in the two mounting slots 17 respectively. When the gas containing fly ash passes through the mounting slots 17, the fly ash is processed by the adsorption filter structure 6. The filtered gas is discharged from the mounting slots 17 and enters the exhaust pipe 1, and is finally discharged through the exhaust pipe 1.

[0037] In specific implementations, such as Figures 3-6As shown, the adsorption filter structure 6 is used for adsorbing and filtering fly ash in the gas, the adsorption filter structure 6 includes a filter layer 601, a mounting frame 602 and a plurality of corona wires 603, the mounting frame 602 is mounted at the rear side edge of the air inlet groove 15, the filter layer 601 is mounted in the mounting frame 602 and located in the mounting groove 17, the filter layer 601 is a PTFE film, an activated carbon layer or a composite layer composed of two materials, a plurality of mounting areas are arranged on the filter layer 601 at intervals, the plurality of corona wires 603 are located in the mounting groove 17 and mounted in the mounting areas, the corona wires 603 are connected with an external power supply, and the corona wires 603 can adsorb fly ash after being powered on, the filter layer 601 can ensure that the fly ash is retained near the corona wires 603, so as to ensure the adsorption effect, and the mounting frame 602 can be additionally provided with a supporting rod to reinforce the filter layer 601, so as to further ensure the stable arrangement of the filter layer 601.

[0038] In a specific implementation, as shown in Figures 3-5 As shown, the switching structure 7 is used for switching the use of the two groups of adsorption filter structures 6, the switching structure 7 includes a multi-stage hydraulic cylinder 701 and a control plate 702, the control plate 702 is clamped in the mounting groove 17, the multi-stage hydraulic cylinder 701 is fixedly installed on one side of the filter shell 4, the control plate 702 is installed at the output end of the multi-stage hydraulic cylinder 701, the length of the control plate 702 is greater than the length of one mounting groove 17 and less than the length of two mounting grooves 17, and the multi-stage hydraulic cylinder 701 can drive the control plate 702 to continuously move left and right in the air inlet groove 15, so that the control plate 702 can alternately cover one of the mounting grooves 17, and the control plate 702 cannot cover two mounting grooves 17 at the same time, so that the two groups of adsorption filter structures 6 can be alternately used, and normal exhaust can be ensured at all times, and the use time of one adsorption filter structure 6 can be controlled by selecting a multi-stage hydraulic cylinder 701 with adjustable speed to control the movement speed of the multi-stage hydraulic cylinder 701 to control the speed of the control plate 702.

[0039] In a specific implementation, as shown in Figures 4-8The linkage de-ash structure 8 is used for de-attaching and collecting the fly ash on the adsorption filter structure 6 when the adsorption filter structure 6 is used for switching. The fly ash outlet 18 is arranged at the bottom of the front side of the adsorption filter structure 6 in the installation groove 17, and the fly ash outlet 18 can collect the filtered fly ash in the installation groove 17. The linkage de-ash structure 8 is arranged at the top of the filter shell 4 and includes the contact plate 801, the liquid storage tank 802, the installation cylinder 803, the connecting pipe 804, the control rod 805 and the ash scraping plate 806. The liquid storage tank 802 is arranged at the top of the filter shell 4, and a through groove is arranged between the liquid storage tank 802 and the air inlet groove 15. The contact plate 801 is arranged in the liquid storage tank 802 through the through groove. The top of the contact plate 801 is provided with a sealing plate. When the control plate 702 covers one of the installation grooves 17, the contact plate 801 on one side of the installation groove 17 is pushed upward, so that the medium in the liquid storage tank 802 is pushed upward. The installation cylinder 803 is fixedly arranged at the top of the filter shell 4 and above the installation groove 17. The ash scraping plate 806 is attached to the top of the front side of the filter layer 601. A through hole is arranged between the installation groove 17 and the top of the filter shell 4. The control rod 805 is arranged at the top of the ash scraping plate 806 and arranged in the installation cylinder 803 through the through hole. The top of the control rod 805 is provided with a sealing piece. When the medium in the liquid storage tank 802 moves upward, the medium enters the installation cylinder 803 through the connecting pipe 804, so that the control rod 805 is pushed downward. The control rod 805 pushes the ash scraping plate 806 downward, so that the dust on the filter layer 601 and the corona wire 603 is pushed downward, and the fly ash is pushed into the fly ash outlet 18, so that the fly ash is collected and cleaned, and the adsorption filter structure 6 can work continuously.

[0040] Further, the liquid storage tank 802 is filled with conductive medium, which is hydraulic oil or water. The liquid medium can ensure good transmission effect.

[0041] Further, the linkage de-ash structure 8 further includes the limiting spring 807, which is arranged outside the control rod 805 and between the sealing piece and the inner wall of the installation cylinder 803, so that the control rod 805 can be accurately reset by cooperating with the negative pressure suction.

[0042] Further, the bottom of the contact plate 801 is a slope gradually narrowing from the edge of the fly ash processor 3 to the center position, and the top of the control plate 702 is provided with a contact arc surface on both sides, so that the control plate 702 can smoothly push the contact plate 801 to move upward.

[0043] Further, the back side of the ash scraping plate 806 is provided with a plurality of clamping grooves 9, and the corona wire 603 is clamped in the clamping grooves 9, so that the ash scraping plate 806 can clean the fly ash on the corona wire 603, and the inner wall of the clamping groove 9 and the contact part of the corona wire 603 can be made of high-temperature-resistant plastic or rubber material to ensure safety.

[0044] Further, the bottom of the ash scraping plate 806 is provided with a baffle 10 connected by a connecting rod, the baffle 10 is clamped in the ash outlet 18, the baffle 10 can prevent gas from entering the ash outlet 18 during filtration, and the upper surface of the baffle 10 is provided with an inclined surface, so that the fly ash above the baffle 10 can still move normally into the ash outlet 18.

[0045] Further, the ash outlet 18 and the bottom of the filter shell 4 are provided with an ash collecting cavity 11, the bottom of the filter shell 4 is provided with an ash collecting shell 12 communicating with the ash collecting cavity 11, and the bottom of the ash collecting shell 12 is provided with an ash discharge pipe 13, the fly ash collected in the ash outlet 18 can enter the ash collecting shell 12 through the ash collecting cavity 11, and finally can be discharged through the ash discharge pipe 13, and a container can be used to collect the fly ash, so that subsequent centralized treatment can be facilitated.

[0046] Further, the connecting pipe 14 is installed on the mounting cover 5 and located outside the air inlet, so that the fly ash processor 3 and the exhaust end of the waste incineration equipment can be connected through the connecting pipe 14.

[0047] The garbage incineration fly ash filtering collection treatment device is connected with the exhaust end of the garbage incineration equipment through the connecting pipeline 14 in use, each electrical appliance in the garbage incineration fly ash filtering collection treatment device is connected with an external power supply and started, under the negative pressure suction of the suction pump 2, the waste gas generated by the garbage incineration equipment enters the installation groove and contacts the filter layer 601 after entering the air inlet groove, the filter layer 601 can filter the fly ash in the gas, and the corona wire 603 can adsorb most of the fly ash, so that the fly ash attached to the filter layer 601 is less, thereby greatly prolonging the service life of the filter layer 601, the multi-stage hydraulic cylinder 701 can drive the control plate 702 to continuously reciprocate left and right, after a period of time, the corona wire 603 in the adsorption and filtration structure 6 used is covered with fly ash, the control plate 702 can be moved to cover the installation groove, at the same time, the control plate 702 can contact the contact plate 801 on one side of the installation groove and push the contact plate 801 upwards, then the contact plate 801 can drive the sealing plate to move upwards, the sealing plate can push the liquid medium in the liquid storage tank 802 upwards and into the installation cylinder 803 through the connecting pipe 804, under the extrusion action, the control rod 805 in the installation cylinder 803 can be pushed downwards, the control rod 805 can push the fly ash scraping plate 806 downwards, so that the fly ash scraping plate 806 can remove the fly ash on the filter layer 601 and the corona wire 603 and push it downwards, then the fly ash can enter the fly ash outlet, the fly ash collected in the fly ash outlet can enter the fly ash collecting shell 12 through the fly ash collecting cavity 11, and finally can be discharged through the fly ash discharge pipe 13, so that the fly ash can be collected by using a container, thereby facilitating subsequent centralized treatment, at the same time, another set of adsorption and filtration structure 6 can perform filtration work, when the multi-stage hydraulic cylinder 701 drives the control plate 702 to return, the contact plate 801 can move downwards under the action of gravity, the control rod 805 and the fly ash scraping plate 806 can move upwards and reset under the elastic force of the limiting spring 807 and the upper negative pressure suction, after the adsorption and filtration structure 6 is cleaned, the installation groove where the adsorption and filtration structure 6 is located is exposed, so that the next working cycle can be performed.

[0048] The above is only the preferred embodiment of the present application, which is only illustrative but not limiting. Those skilled in the art understand that many changes, modifications and even equivalents can be made to the present application within the spirit and scope defined by the claims of the present application, but all will fall within the protection scope of the present application.

Claims

1. A waste incineration fly ash filtration collection treatment device characterized by, The utility model relates to a fly ash treatment device for garbage incineration, which comprises: an exhaust pipe (1) with a suction pump (2) fixedly installed at the top; a fly ash processor (3) arranged at the air inlet end of the exhaust pipe (1), which is used to filter and collect fly ash in the garbage incineration gas, and comprises a filter shell (4), a mounting cover (5), two groups of adsorption filter structures (6), a switching structure (7), and two linkage fly ash removal structures (8); the filter shell (4) is provided with an air inlet groove (15) on the upper front side, the mounting cover (5) is mounted on the front side of the filter shell (4), and the mounting cover (5) is provided with an air inlet (16) on the front side of the air inlet groove (15); two installation grooves (17) are formed between the air inlet groove (15) and the rear side of the filter shell (4), and the two groups of adsorption filter structures (6) are respectively installed in the two installation grooves (17); the adsorption filter structure (6) is used to adsorb and filter fly ash in the gas, and comprises a filter layer (601), a mounting frame (602), and a plurality of corona wires (603); the mounting frame (602) is mounted on the rear side edge of the air inlet groove (15), the filter layer (601) is installed in the mounting frame (602) and located in the installation groove (17), a plurality of installation areas are arranged on the filter layer (601) at intervals, and the plurality of corona wires (603) are located in the installation groove (17) and installed in the installation areas; the switching structure (7) is used to switch the use of the two groups of adsorption filter structures (6), and comprises a multi-stage hydraulic cylinder (701) and a control board (702); the control board (702) is clamped in the installation groove (17), the multi-stage hydraulic cylinder (701) is fixedly installed on one side of the filter shell (4), and the control board (702) is installed on the output end of the multi-stage hydraulic cylinder (701); the linkage fly ash removal structure (8) is used to remove and collect fly ash on the adsorption filter structure (6) with fly ash attached when the adsorption filter structure (6) is switched, and the air outlet (18) is formed on the front side bottom of the adsorption filter structure (6) located in the installation groove (17).

2. A waste incineration fly ash filtration collection treatment device according to claim 1, characterized in that, The linkage deashing structure (8) is located at both sides of the top of the filter shell (4), the linkage deashing structure (8) comprises a contact plate (801), a liquid storage tank (802), a mounting cylinder (803), a connecting pipe (804), a control rod (805) and a deashing plate (806), the liquid storage tank (802) is mounted at the top of the filter shell (4), a through groove is formed between the liquid storage tank (802) and the air inlet groove (15), the contact plate (801) is arranged in the liquid storage tank (802) through the through groove, a sealing plate is mounted at the top of the contact plate (801), the sealing plate is clamped in the liquid storage cavity, the mounting cylinder (803) is fixedly mounted at the top of the filter shell (4) and the mounting cylinder (803) is located above the mounting groove (17), the deashing plate (806) is attached to the top of the front side of the filter layer (601), a through hole is formed between the mounting groove (17) and the top of the filter shell (4), the control rod (805) is mounted at the top of the deashing plate (806) and the control rod (805) is arranged in the mounting cylinder (803) through the through hole, a sealing sheet is mounted at the top of the control rod (805), and the sealing sheet is clamped in the mounting cylinder (803).

3. A waste incineration fly ash filtration collection treatment device according to claim 2, characterized in that, The liquid storage tank (802) is filled with a conductive medium, and the conductive medium is hydraulic oil or water.

4. A waste incineration fly ash filtration collection treatment device according to claim 3, characterized in that, The linkage deashing structure (8) further comprises a limiting spring (807), the limiting spring (807) is sleeved outside the control rod (805) and located between the sealing sheet and the inner wall of the mounting cylinder (803).

5. A waste incineration fly ash filtration collection treatment device according to claim 4, characterized in that, The bottom of the contact plate (801) is a slope that gradually narrows from the edge of the fly ash processor (3) to the center.

6. A waste incineration fly ash filtration collection treatment device according to claim 5, characterized in that, A plurality of clamping grooves (9) are formed in the rear side of the deashing plate (806), and the corona wire (603) is clamped in the clamping grooves (9).

7. A waste incineration fly ash filtration collection treatment device according to claim 6, characterized in that, A baffle (10) is mounted on the bottom of the deashing plate (806) through a connecting rod, and the baffle (10) is clamped in the ash discharge port (18).

8. A waste incineration fly ash filtration collection treatment device according to claim 7, characterized in that, An ash collecting cavity (11) is formed between the ash discharge port (18) and the bottom of the filter shell (4), the bottom of the filter shell (4) is provided with an ash collecting shell (12) in communication with the ash collecting cavity (11), and the bottom of the ash collecting shell (12) is provided with an ash discharge pipe (13).

9. A waste incineration fly ash filtration collection treatment device according to claim 1, characterized in that, The mounting cover (5) is provided with a connecting pipe (14), and the connecting pipe (14) is located outside the air inlet (16).

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