Waste gas filtering and discharging device for energy-saving tunnel kiln

Abstract

The utility model provides a waste gas filtering and discharging device for an energy-saving tunnel kiln, which relates to the technical field of tunnel kiln waste gas filtering and discharging, and comprises a box body, a dust removal box is arranged in the box body, the top of the dust removal box is connected with a filtering box, the top of the filtering box is connected with a heat absorption box, one side of the box body is fixedly connected with a waste gas pipe, and the top of the box body is connected with a gas outlet pipe; the dust removal assembly is arranged in the dust removal box and comprises a screen, a rotating motor, a rotating wheel and an ejection block; and the filter assembly is arranged between the heat absorption box and the filter box and comprises an annular pipe, a filter screen and a heat absorption pipe. Through the arrangement of the dust removal assembly, waste gas can be pre-filtered, large-particle dust and other solid impurities in the waste gas can be preliminarily removed, the service life of the filter screen can be prolonged, through the arrangement of the filter assembly, the waste gas can uniformly penetrate through the filter screen, meanwhile, the filtered waste gas is subjected to heat absorption treatment, and heat energy in the waste gas is recycled; therefore, the purposes of energy conservation and emission reduction are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel kiln waste gas filtration and emission technical field, concretely is energy -conserving tunnel kiln waste gas filtration and emission device. BACKGROUND

[0002] Tunnel kiln is a kind of continuous operation industrial kiln, is widely used in ceramic, refractory material, tile industry for firing product. Its structural feature is long strip, similar to tunnel, therefore is named "tunnel kiln".

[0003] And tunnel kiln will produce a large amount of flue gas in the process of using, need to filter the flue gas produced and can be discharged, and due to the flue gas containing a large amount of large particle dust and other solid impurities, if directly using filter screen to filter, it is easy to cause filter screen to be quickly blocked by large particle dust and other solid impurities, affect the service life of filter screen, and the existing waste gas contains a large amount of heat, if directly discharged, it is easy to cause the waste of heat. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcoming in the background art, provides energy -conserving tunnel kiln waste gas filtration and emission device, through the setting of dust removal subassembly, can carry out pre-filtering treatment to waste gas, initially remove large particle dust and other solid impurities in waste gas, help to prolong the service life of filter screen, through the setting of filter subassembly, can let waste gas evenly pass through filter screen, and carry out heat absorption treatment to the waste gas filtered, recover the heat energy in waste gas, to realize the purpose of energy saving and emission reduction.

[0005] To achieve the above object, the utility model provides the following technical scheme, an energy -conserving tunnel kiln waste gas filtration and emission device, comprising:

[0006] Box, dust removal box is installed in the box, filter box is connected at the top of dust removal box, heat absorption tank is connected at the top of filter box, waste gas pipe is fixedly connected on one side of the box, and the gas outlet pipe is connected at the top of the box;

[0007] Dust removal assembly arranged in the dust removal box, the dust removal assembly includes: screen, rotating motor, rotating wheel and ejector block;And

[0008] Filter assembly between heat absorption tank and filter box, the filter assembly includes: annular pipe, filter screen and heat absorption pipe.

[0009] Further, the dust removal box is fixedly installed with baffle in the dust removal box, the dust removal box is divided into equipment cavity and dust removal cavity by the baffle and is divided into two chambers, the dust removal cavity is equipped with screen, the dust removal box inner wall and the baffle one side are all provided with sliding groove, and the sliding groove on the baffle is lower than the sliding groove on the dust removal box inner wall, and the screen is inclinedly arranged.

[0010] Further, one side of the baffle is fixedly installed with a fixed plate, a rotary motor is installed at the top of the fixed plate, a rotating wheel is drivenly connected to one side of the rotary motor, and the rotating wheel is located above the screen, a plurality of ejection grooves are formed in the outer side of the rotating wheel, an ejection spring is connected in the ejection grooves, and an ejection block is connected to one end of the ejection spring.

[0011] Further, a gas guide pipe is connected to the top of the dust removal box, an annular pipe is installed in the filter box, the gas guide pipe communicates with the annular pipe, and a plurality of gas outlet holes in annular array are formed in the top of the annular pipe.

[0012] Further, a plurality of pullable filter screens are fixedly installed in the filter box, and the filter screens protrude from the outer surface of the box.

[0013] Further, a connecting pipe is connected to the top of the filter box, a heat absorption pipe is arranged in the heat absorption box, the heat absorption pipe is arranged in a spiral structure, the bottom end of the heat absorption pipe communicates with the connecting pipe, and the top end of the heat absorption pipe communicates with the gas outlet pipe.

[0014] Further, a water inlet pipe is fixedly connected to the top of one side of the heat absorption box, and a water outlet pipe is fixedly connected to the bottom of the other side of the heat absorption box.

[0015] The utility model provides a kind of energy-saving tunnel kiln exhaust gas filtering and discharging device, with the following beneficial effects:

[0016] The utility model has the advantages that: by the setting of dust removal assembly, waste gas can be pre-filtered, large particles of dust and other solid impurities in waste gas are preliminarily removed, which helps to prolong the service life of the filter screen; by the setting of filtering assembly, waste gas can uniformly pass through the filter screen, and the filtered waste gas is subjected to heat absorption treatment, so that the heat energy in waste gas is recovered, achieving the purpose of energy saving and emission reduction. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model.

[0018] Figure 2 It is another angle schematic view of the whole structure of the utility model.

[0019] Figure 3 It is a whole structure cross-sectional view of the utility model.

[0020] Figure 4 It is a top view of the gas outlet hole structure of the utility model.

[0021] Figure 5 It is aFigure 3 Enlarged view of A in FIG.

[0022] Figures 1-5 1, box; 101, dust removal box; 2, exhaust pipe; 201, collection box; 202, screen; 2021, chute; 203, air guide pipe; 204, baffle; 205, fixed plate; 206, rotary motor; 207, rotary wheel; 208, ejection groove; 209, ejection spring; 2091, ejection block; 3, filter box; 301, annular pipe; 302, air outlet hole; 303, filter screen; 304, connecting pipe; 4, heat absorption box; 401, heat absorption pipe; 402, air outlet pipe; 403, water inlet pipe; 404, water outlet pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person skilled in the art without creative work fall within the protection scope of the present application.

[0024] The following disclosure provides many different embodiments, or examples, for implementing different structures of the present application. For the purpose of simplicity, the description of a particular example will not necessarily be repeated in the description of each example. Of course, they are merely examples and are not intended to limit the present application. In addition, the present application can repeatedly refer to a reference numeral and / or a reference letter in different examples, and such repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but a person skilled in the art can realize the application of other processes and / or the use of other materials.

[0025] The present application provides an energy-saving tunnel kiln waste gas filtering and discharging device, which will be described in detail below. It should be noted that the description order of the following embodiments is not limited as the preferred order of the embodiments.

[0026] The present application will be described in detail below with reference to the drawings and specific embodiments.

[0027] Embodiment one

[0028] Please refer to Figures 1-5The energy-saving tunnel kiln waste gas filtering and discharging device provided by the embodiment comprises a box body 1, a dust removal box 101 is arranged in the box body 1, a filtering box 3 is connected to the top of the dust removal box 101, a heat absorption box 4 is connected to the top of the filtering box 3, a waste gas pipe 2 is fixedly connected to one side of the box body 1, and a gas outlet pipe 402 is connected to the top of the box body 1.

[0029] The dust removal assembly arranged in the dust removal box 101 can preliminarily filter the waste gas, remove the large-particle dust and other solid impurities in the waste gas, and prolong the service life of the filtering screen 303.

[0030] Embodiment two

[0031] On the basis of the embodiment one, a baffle 204 is fixedly arranged in the dust removal box 101, the dust removal box 101 is divided into a device cavity and a dust removal cavity by the baffle 204, the dust removal cavity is provided with a screen 202, a sliding groove 2021 is arranged on the inner wall of the dust removal box 101 and the side of the baffle 204, the sliding groove 2021 on the baffle 204 is lower than the sliding groove 2021 on the inner wall of the dust removal box 101, the screen 202 is arranged in an inclined manner, a fixed plate 205 is fixedly arranged on the side of the baffle 204, the fixed plate 205 is provided with a rotating motor 206 arranged on the top of the fixed plate 205, the rotating motor 206 is drivingly connected with a rotating wheel 207 arranged above the screen 202, a plurality of ejection grooves 208 are arranged on the outer side of the rotating wheel 207, an ejection spring 209 is connected in the ejection groove 208, the ejection spring 209 is connected with an ejection block 2091, and one end of the ejection block 2091 protrudes from the outer surface of the rotating wheel 207.

[0032] When the waste gas of the tunnel kiln is filtered and discharged, if the waste gas is directly filtered, a large amount of dust in the waste gas will adhere to the filter screen 303, thereby blocking the filter screen 303 and affecting the service life of the filter screen 303. At this time, the waste gas can be injected into the dust removal box 101 through the waste gas pipe 2, and then the smoke dust, powder and large particle substances in the waste gas can be preliminarily isolated by the setting of the screen 202, so as to reduce the smoke dust, powder and large particle substances. At the same time, the rotating motor 206 drives the rotating wheel 207 to rotate, so that the rotating wheel 207 drives the plurality of ejection blocks 2091 to rotate, and the ejection blocks 2091 move outward under the action of centrifugal force and impact on the screen 202, so that the screen 202 is impacted and vibrated, thereby shaking the dust adhered to the screen 202 and collecting the dust through the collecting box 201, thereby prolonging the service life of the screen 202 and avoiding the screen 202 being blocked by the dust.

[0033] Example three

[0034] On the basis of example one and example two, the dust removal box 101 is connected with an air guide pipe 203, the filter box 3 is internally provided with an annular pipe 301, the air guide pipe 203 is communicated with the annular pipe 301, a plurality of gas outlet holes 302 are arranged in an annular array at the top of the annular pipe 301, a plurality of pull-out type filter screens 303 are fixedly installed in the filter box 3 and protrude from the outer surface of the box body 1, a connecting pipe 304 is connected to the top of the filter box 3, a heat absorption pipe 401 is arranged in the heat absorption box 4 and is arranged in a spiral structure, the bottom end of the heat absorption pipe 401 is communicated with the connecting pipe 304, the top end of the heat absorption pipe 401 is communicated with an air outlet pipe 402, and a water inlet pipe 403 is fixedly connected to the top of one side of the heat absorption box 4, and a water outlet pipe 404 is fixedly connected to the bottom of the other side of the heat absorption box 4.

[0035] The waste gas after preliminary filtration enters the annular pipe 301 through the air guide pipe 203 and is discharged through the plurality of gas outlet holes 302, so that the waste gas can uniformly contact the filter screens 303 and the harmful substances and small particle substances in the waste gas can be filtered by the plurality of filter screens 303. Through the arrangement of the annular pipe 301, the smoke gas can be concentrated in the part of the filter screen 303 and pass through, so that a large amount of filtered substances are accumulated in the local position of the filter screen 303, thereby causing the subsequent filtering effect to be reduced. The waste gas after filtration enters the heat absorption pipe 401 through the connecting pipe 304, at this time, the heat absorption pipe 401 exchanges heat with the heat in the waste gas, and the heat in the waste gas is exchanged to the water in the heat absorption box 4. After a certain time of discharge, the hot water in the heat absorption box 4 is discharged through the water outlet pipe 404 for use, and then cold water is discharged into the heat absorption box 4 through the water inlet pipe 403. In this way, the heat in the waste gas is effectively utilized, thereby achieving the purpose of energy saving and emission reduction.

[0036] In the above embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0037] The above describes in detail the energy-saving tunnel kiln waste gas filtering and discharging device provided by the embodiments of the present application. The principles and implementation manners of the present application are described by using specific examples. The above embodiment descriptions are only used to help understand the technical solutions and core ideas of the present application. Those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. The modifications or replacements do not change the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A waste gas filtering and discharging device for an energy-saving tunnel kiln, characterized in that, Include: The box (1) is internally mounted with dust removal box (101), the top of dust removal box (101) is connected with filter box (3), the top of filter box (3) is connected with heat absorption box (4), one side of the box (1) is fixedly connected with waste gas pipe (2), the top of the box (1) is connected with gas outlet pipe (402); The dust removal assembly is arranged in the dust removal box (101), and the dust removal assembly comprises a screen (202), a rotating motor (206), a rotating wheel (207) and an ejection block (2091); The filter assembly is arranged between the heat absorption box (4) and the filter box (3), and the filter assembly comprises an annular pipe (301), a filter screen (303) and a heat absorption pipe (401).

2. The energy efficient exhaust gas filtration and emission device for tunnel kiln as claimed in claim 1 wherein, The dust removal box (101) is internally fixedly installed with a baffle (204), the dust removal box (101) is divided into two cavities, i.e., an equipment cavity and a dust removal cavity, by the baffle (204), the dust removal cavity is internally provided with a screen (202), the inner wall of the dust removal box (101) and one side of the baffle (204) are both provided with a sliding groove (2021), the sliding groove (2021) on the baffle (204) is lower than the sliding groove (2021) on the inner wall of the dust removal box (101), and the screen (202) is arranged in an inclined manner.

3. The energy efficient exhaust gas filtration and emission system for tunnel kiln as claimed in claim 2 wherein, The baffle (204) is fixedly installed with a fixed plate (205) on one side, the fixed plate (205) is installed with a rotating motor (206) on the top, one side of the rotating motor (206) is drivingly connected with a rotating wheel (207), the rotating wheel (207) is located above the screen (202), a plurality of ejection grooves (208) are formed in the outer side of the rotating wheel (207), the ejection grooves (208) are internally connected with ejection springs (209), one end of the ejection spring (209) is connected with an ejection block (2091), and one end of the ejection block (2091) protrudes from the outer surface of the rotating wheel (207).

4. The energy efficient exhaust filtering and emission device for tunnel kiln as claimed in claim 1 wherein, The dust removal box (101) is connected with a gas guide pipe (203) on the top, the filter box (3) is internally installed with an annular pipe (301), the gas guide pipe (203) is communicated with the annular pipe (301), and a plurality of gas outlet holes (302) are formed in the top of the annular pipe (301) in an annular array.

5. The energy efficient exhaust filtration and emission system for tunnel kiln as claimed in claim 1 wherein, The filter box (3) is fixedly installed with a plurality of filter screens (303) which can be pulled out, and the filter screens (303) protrude from the outer surface of the box (1).

6. The energy efficient exhaust gas filtration and emission system for tunnel kiln as claimed in claim 1 wherein, The filter box (3) is connected with a connecting pipe (304) on the top, the heat absorption box (4) is internally provided with a heat absorption pipe (401), the heat absorption pipe (401) is arranged in a spiral structure, the bottom end of the heat absorption pipe (401) is communicated with the connecting pipe (304), and the top end of the heat absorption pipe (401) is communicated with the gas outlet pipe (402).

7. The energy efficient exhaust filtration and emission system for tunnel kiln as claimed in claim 1 wherein, The heat absorption box (4) is fixedly connected with a water inlet pipe (403) on one side of the top, and a water outlet pipe (404) is fixedly connected to the other side of the bottom of the heat absorption box (4).

Images