Bag type dust collector with anti-hardening dust hopper

Abstract

The invention relates to a bag type dust collector with an anti-hardening ash bucket, which comprises a supporting seat, a box body, a filter bag, a first air inlet, a first air outlet and a control device, the box body is provided with the ash bucket, the ash bucket comprises an ash inlet and an ash outlet, the ash inlet is provided with an upper frame, the upper frame is connected with the box body, and the ash outlet is provided with a lower frame; the side length of the upper frame is larger than that of the lower frame, and the upper frame and the lower frame are connected and fixed through side plates. Each side plate is composed of a steel plate and a polytetrafluoroethylene composite layer, the polytetrafluoroethylene composite layer is arranged on the inner surface of the steel plate, and an anti-corrosion coating is arranged on the outer surface of the steel plate. The dust hopper is provided with the polytetrafluoroethylene composite layer, and the high lubricating property of polytetrafluoroethylene is utilized, so that deposited dust is prevented from hardening, and the deposited dust can be smoothly discharged. The air outlet is connected with the air filter, the detection device connected through the Internet of Things is arranged at the outlet of the exhaust funnel, the working state of the dust remover is monitored in real time, data are automatically recorded, and therefore standard emission is effectively guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of dust collectors, in particular to a bag type dust collector provided with an anti-caking ash hopper. Background Art

[0002] The bag filter is generally composed of a bracket, a box, filter bags, an ash hopper and a control device. The box is provided with an air inlet and an air outlet. A flower plate is installed in the box, and a number of filter bags are installed on the flower plate. The ash hopper of the existing bag filter is generally large in size and high in height. In order to facilitate the collection and discharge of the dust in the dust collector hopper, the angle between the side plate of the ash hopper and the horizontal line is generally large. Sometimes, it is necessary to install a heater or a vibrator and other auxiliary cleaning devices in the ash hopper to prevent the dust in the ash hopper from hardening or forming an ash arch, which affects the smooth discharge of the dust. However, for dust with a high water content, even if a heater or a vibrator is installed in the ash hopper, it may still harden or form an ash arch, resulting in the inability to discharge the dust smoothly. In addition, the energy consumption of the heater is large, and the vibrator will produce a lot of noise, which is easy to pollute the environment. The cleaning and use effects are not ideal.

[0003] Polytetrafluoroethylene (abbreviated as PTFE) is a high molecular polymer made by polymerizing tetrafluoroethylene as a monomer. It has excellent chemical stability, corrosion resistance, sealing, high lubricity and non-stickiness, electrical insulation and good anti-aging resistance. The characteristics of polytetrafluoroethylene include: high temperature resistance, with an operating temperature of 250°C; low temperature resistance, good mechanical toughness at low temperatures, and even if the temperature drops to -196°C, it can maintain an elongation of 5%; corrosion resistance, inert to most chemicals and solvents, and resistant to strong acids, strong alkalis, water and various organic solvents; good weather resistance, with the best aging life among plastics; high lubricity, with the lowest friction coefficient among solid materials; non-adhesion, with the lowest surface tension among solid materials, and no adhesion to any substance. Therefore, polytetrafluoroethylene has a wide range of applications. Summary of the invention

[0004] In view of the above shortcomings of the existing dust collectors, the object of the present invention is to provide a bag dust collector which has a high degree of automation, good dust removal effect, and can effectively prevent dust accumulation and compaction in the ash hopper.

[0005] The purpose of the present invention is achieved by adopting the following technical solutions:

[0006] A bag dust collector with an anti-caking ash hopper comprises a support seat, a box body, a filter bag, a first air inlet, a first air outlet, a first fan and a control device, the box body is installed on the support seat, the filter bag is arranged in the box body, a vibration mechanism is arranged above the filter bag, an ash hopper is installed below the box body, the first air inlet is arranged on one side of the ash hopper below the box body, the first air outlet is connected to the air filter, the ash hopper comprises an ash inlet and an ash outlet, the ash inlet is provided with an upper frame, the upper frame is connected to the box body, and the ash outlet is provided with a lower frame; the side length of the upper frame is greater than the side length of the lower frame, and the upper frame and the lower frame are connected and fixed by side panels;

[0007] The side plate is composed of a steel plate and a polytetrafluoroethylene composite layer. The polytetrafluoroethylene composite layer is arranged on the inner surface of the steel plate. The outer surface of the steel plate is provided with an anti-corrosion coating. The polytetrafluoroethylene composite layer is fixed to the steel plate by gluing or screwing.

[0008] As a preferred technical solution of the present invention, the air filter includes a second air inlet and a second air outlet, the second air inlet is connected to the first air outlet of the dust collector, the second air outlet is connected to the second fan, and the second fan is connected to the exhaust pipe;

[0009] A smoke detection sensor is provided at the outlet of the exhaust pipe. The smoke detection sensor is electrically connected to the control device via a data line, and the control device is electrically connected to the central control room via the Internet of Things.

[0010] As a preferred technical solution of the present invention, the polytetrafluoroethylene composite layer is a polytetrafluoroethylene coating or a polytetrafluoroethylene sheet.

[0011] As a preferred technical solution of the present invention, the ash inlet and the ash outlet are both configured as rectangular structures, and a pair of main side panels and a pair of secondary side panels symmetrically arranged are provided between the upper frame and the lower frame, and the main side panels and the secondary side panels are both composed of a steel plate and a polytetrafluoroethylene composite layer.

[0012] As a preferred technical solution of the present invention, an intermediate frame is provided between the upper frame and the lower frame, and the intermediate frame is connected and fixed to the side bracket.

[0013] As a preferred technical solution of the present invention, longitudinal reinforcing ribs are respectively provided between the upper frame and the middle frame, and between the middle frame and the lower frame.

[0014] As a preferred technical solution of the present invention, an ash discharging roller is provided in the ash hopper near the ash discharging port, and the ash discharging roller is connected and fixed to the middle frame through a longitudinal beam.

[0015] As a preferred technical solution of the present invention, a plurality of convex teeth are evenly distributed on the outer surface of the ash discharging roller.

[0016] As a preferred technical solution of the present invention, a plurality of longitudinally arranged angle steels are provided on the surface of the side plate, and a polytetrafluoroethylene coating is provided on the surface of the angle steels.

[0017] As a preferred technical solution of the present invention, the air filter includes a shell and a filter chamber, the filter chamber is provided with a plurality of filter boxes, each filter box is composed of a bracket, a base cloth and a filter cloth, the base cloth is a grid-shaped plain woven cloth, the filter cloth is a thermoplastic non-woven cloth, and the base cloth and the filter cloth are connected by a resin adhesive layer to form an integral structure.

[0018] The beneficial effect of the present invention is that compared with the prior art, the ash hopper side plate of the present invention is provided with a polytetrafluoroethylene composite layer, which not only helps to prevent corrosion of the ash hopper side plate, but also can utilize the high lubrication performance of the polytetrafluoroethylene material with an extremely low friction coefficient to prevent the ash accumulation in the ash hopper from compacting, thereby helping the ash discharge roller to push the ash accumulation in the ash hopper to be discharged smoothly.

[0019] The air outlet of the dust collector of the present invention is connected to the air filter, and the exhaust pipe outlet is provided with a detection device connected to the central control room through the Internet of Things, which monitors the working status of the dust collector in real time and automatically records relevant data, thereby effectively ensuring that emissions meet the standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 It is a structural schematic diagram of the ash hopper of the present invention;

[0022] Figure 3 yes Figure 2 Schematic diagram of the left view structure;

[0023] Figure 4 It is a structural schematic diagram of the ash hopper side plate of the present invention;

[0024] Figure 5 yes Figure 4 A local enlarged schematic diagram of point A in the middle.

[0025] In the figure: 1, ash hopper, 2, support seat, 3, box body, 4, filter bag, 5, first fan, 6, vibration mechanism, 7, first air inlet, 8, control device, 9, second fan, 10, air filter, 11, smoke detection sensor, 12, exhaust pipe; 13, upper frame, 14, lower frame, 15, side bracket, 16, middle frame, 17, reinforcement rib, 18, ash discharge roller, 19, side plate, 20, steel plate, 21, angle steel, 22, polytetrafluoroethylene composite layer. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0027] like Figures 1 to 5 As shown, a bag dust collector with an anti-caking ash hopper includes a support base 2, a box body 3, a filter bag 4, a first air inlet 7, a first air outlet, a first fan 5 and a control device 8. The box body 3 is installed on the support base 2, the filter bag 4 is arranged in the box body 3, a vibration mechanism 6 is provided above the filter bag 4, an ash hopper 1 is installed under the box body 3, the first air inlet 7 is arranged on one side of the ash hopper 1 under the box body 3, and the first air outlet is connected to the air filter 10.

[0028] The ash hopper 1 includes an ash inlet and an ash outlet. The ash inlet is provided with an upper frame 13, which is connected to the box body 3, and the ash outlet is provided with a lower frame 14. The side length of the upper frame 13 is greater than the side length of the lower frame 14. The upper frame 13 and the lower frame 14 are connected and fixed by a side panel 19. The side panel 19 is composed of a steel plate 20 and a polytetrafluoroethylene composite layer 22. The polytetrafluoroethylene composite layer 22 is provided on the inner surface of the steel plate 20. The outer surface of the steel plate 20 is provided with an anti-corrosion coating. The polytetrafluoroethylene composite layer 22 is fixed to the steel plate 20 by gluing or screwing.

[0029] In this embodiment, the air filter 10 includes a second air inlet and a second air outlet, the second air inlet is connected to the first air outlet of the dust collector, the second air outlet is connected to the second fan 9, and the second fan 9 is connected to the exhaust pipe 12; a smoke detection sensor 11 is provided at the outlet of the exhaust pipe 12, the smoke detection sensor 11 is electrically connected to the control device 8 via a data cable, and the control device 8 is electrically connected to the central control room via the Internet of Things.

[0030] In this embodiment, the polytetrafluoroethylene composite layer 22 is a polytetrafluoroethylene coating or a polytetrafluoroethylene sheet. The ash inlet and the ash outlet are both set as rectangular structures. A pair of main side panels and a pair of auxiliary side panels are symmetrically arranged between the upper frame 13 and the lower frame 14. The main side panels and the auxiliary side panels are both composed of steel plates and polytetrafluoroethylene composite layers. An intermediate frame 16 is arranged between the upper frame 13 and the lower frame 14, and the intermediate frame 16 is connected and fixed to the side bracket 15. Longitudinally arranged reinforcing ribs 17 are respectively arranged between the upper frame 13 and the intermediate frame 16 and between the intermediate frame 16 and the lower frame 14.

[0031] An ash discharging roller 18 is provided near the ash discharging port in the ash hopper 1, and the ash discharging roller 18 is connected and fixed to the middle frame 16 through a longitudinal beam; a plurality of convex teeth are evenly distributed on the outer surface of the ash discharging roller 18; rotating the ash discharging roller 6 can push the accumulated ash out through the convex teeth, thereby improving the ash discharging efficiency of the ash hopper.

[0032] The side plate 19 is provided with a plurality of longitudinally arranged angle steels 21, and the angle steels 21 are provided with a polytetrafluoroethylene coating. The angle steels 9 provided on the ash hopper side plate 19 of this embodiment prevent the ash from accumulating and forming an ash arch, thereby facilitating the smooth discharge of the ash.

[0033] In this embodiment, the air filter 10 includes a shell and a filter chamber. The filter chamber is provided with a plurality of filter boxes. Each filter box is composed of a bracket, a base cloth and a filter cloth. The base cloth is a grid-shaped plain woven cloth, and the filter cloth is a thermoplastic non-woven cloth. The base cloth and the filter cloth are connected by a resin adhesive layer to form an integral structure.

[0034] When the present invention is working, the dust-containing gas enters the filter chamber in the box from the ash hopper, and the coarser particles fall directly into the ash hopper. The dust-containing gas is filtered by the filter bag, and the dust is retained on the outer surface of the filter bag. The purified gas passes through the filter bag opening to the clean air chamber and is discharged by the fan. When the gas resistance rises to a certain value, the control device 8 controls the vibration mechanism to start and vibrate the filter bag to clean the dust, and can also detect, transmit and record relevant data online. The ash hopper side plate of the present invention is provided with a polytetrafluoroethylene composite layer, which utilizes the high lubrication performance of the polytetrafluoroethylene material with an extremely low friction coefficient to prevent the dust accumulation in the ash hopper from compacting, thereby facilitating the smooth discharge of the accumulated dust.

[0035] The above embodiments are limited to illustrating the concept and technical features of the present invention, and their purpose is to enable those skilled in the art to understand the technical solutions and implementation methods of the invention, and they cannot limit the protection scope of the present invention. Any equivalent replacement or equivalent change made according to the technical solution of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A bag dust collector with an anti-caking ash hopper, comprising a support seat, a box, a filter bag, a first air inlet, a first air outlet, a first fan and a control device, the box is installed on the support seat, the filter bag is arranged in the box, a vibration mechanism is arranged above the filter bag, an ash hopper is installed under the box, the first air inlet is arranged on one side of the ash hopper under the box, and the first air outlet is connected to the air filter, characterized in that: The ash hopper includes an ash inlet and an ash outlet, the ash inlet is provided with an upper frame connected to the box body, and the ash outlet is provided with a lower frame; the side length of the upper frame is greater than the side length of the lower frame, and the upper frame and the lower frame are connected and fixed by a side plate; The side plate is composed of a steel plate and a polytetrafluoroethylene composite layer. The polytetrafluoroethylene composite layer is arranged on the inner surface of the steel plate. The outer surface of the steel plate is provided with an anti-corrosion coating. The polytetrafluoroethylene composite layer is fixed to the steel plate by gluing or screwing.

2. The bag filter with anti-dust hopper according to claim 1 is characterized in that: The air filter comprises a second air inlet and a second air outlet, the second air inlet is connected to the first air outlet of the dust collector, the second air outlet is connected to the second fan, and the second fan is connected to the exhaust pipe; A smoke detection sensor is provided at the outlet of the exhaust pipe. The smoke detection sensor is electrically connected to the control device via a data line, and the control device is electrically connected to the central control room via the Internet of Things.

3. The bag filter with an anti-caking hopper according to claim 1 is characterized in that: The polytetrafluoroethylene composite layer is a polytetrafluoroethylene coating or a polytetrafluoroethylene sheet.

4. The bag filter with an anti-caking hopper according to any one of claims 1 to 3, characterized in that: The ash inlet and the ash outlet are both set as rectangular structures. A pair of main side panels and a pair of auxiliary side panels are symmetrically arranged between the upper frame and the lower frame. The main side panels and the auxiliary side panels are both composed of a steel plate and a polytetrafluoroethylene composite layer.

5. The bag filter with an anti-dust hopper according to claim 4 is characterized in that: An intermediate frame is provided between the upper frame and the lower frame, and the intermediate frame is connected and fixed to the side bracket.

6. The bag filter with an anti-dust hopper according to claim 5 is characterized in that: Longitudinally arranged reinforcing ribs are respectively arranged between the upper frame and the middle frame, and between the middle frame and the lower frame.

7. The bag filter with an anti-dust hopper according to claim 6 is characterized in that: An ash discharging roller is arranged in the ash hopper near the ash discharging port, and the ash discharging roller is connected and fixed to the middle frame through a longitudinal beam.

8. The bag filter with an anti-dust hopper according to claim 7 is characterized in that: A plurality of convex teeth are evenly distributed on the outer surface of the ash discharging roller.

9. The bag filter with an anti-dust hopper according to claim 1 is characterized in that: The side plate surface is provided with a plurality of longitudinally arranged angle steels, and the surface of the angle steels is provided with a polytetrafluoroethylene coating.

10. The bag filter with anti-dust hopper according to claim 1 is characterized in that: The air filter comprises a shell and a filter chamber, wherein the filter chamber is provided with a plurality of filter boxes, each filter box being composed of a bracket, a base cloth and a filter cloth, wherein the base cloth is a grid-shaped plain weave cloth, and the filter cloth is a thermoplastic non-woven cloth, and the base cloth and the filter cloth are connected by a resin adhesive layer to form an integral structure.

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