Dryer with tail gas purification function

Abstract

The dryer with the tail gas purification function comprises a dryer body, the dryer body comprises a drying box and a heating device body, one side of the heating device body is fixedly communicated with a first conveying pump, one end of the first conveying pump is connected with a heat exchange assembly used for recycling tail gas heat, and the other end of the first conveying pump is connected with a second conveying pump. A tail gas treatment box is connected to one side of the heat exchange assembly, a first conveying pump and the heat exchange assembly are used in cooperation, the first conveying pump can convey tail gas generated by the heating device body into a spiral heat exchange pipe, the spiral heat exchange pipe can increase the stroke of the tail gas, and therefore the time of the tail gas in a recycling barrel is prolonged; and then, a second conveying pump conveys heat obtained through heat exchange in the recycling barrel to the interior of the heating device body through a heat preservation pipe, so that the effect of recycling the heat of the tail gas is achieved, and the problem of waste of the heat of the tail gas is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas purification, in particular to a drying machine with tail gas purification function. Background Art

[0002] With the acceleration of industrialization and urbanization, drying equipment is increasingly used in various industries, especially in the fields of textiles, food processing, papermaking, etc., where dryers are indispensable equipment. However, traditional dryers produce a large amount of exhaust gas during the drying process, which often contains pollutants such as particulate matter and harmful gases. Direct discharge into the environment will pollute the atmosphere and pose a potential threat to human health.

[0003] For example, a dryer with exhaust gas purification (announcement number: CN219797853U) includes a dryer body, a feed bin is arranged at one end of the dryer body, two groups of exhaust gas cleaning boxes are arranged at one end of the dryer body, through holes are opened at one end of the two groups of exhaust gas cleaning boxes, an air supply pipe is fixedly connected in the through hole, and a purification component is fixedly connected to the other end of the air supply pipe. The utility model has an exhaust gas cleaning box arranged at one end of the dryer body, so that the exhaust gas generated by the dryer body can enter the exhaust gas cleaning box for sedimentation and filtration, which is convenient for later exhaust gas cleaning, improves purification efficiency, saves time required for exhaust gas purification, is convenient for staff to use, and allows the exhaust gas to be transported to the purification component. The exhaust gas generated in the dryer body can be effectively treated through the purification component, thereby improving the efficiency of exhaust gas treatment and preventing the exhaust gas from being directly discharged to the outdoors to cause damage to the air.

[0004] However, the device still has the following defects:

[0005] Although the device can purify the exhaust gas of the dryer when in use, since the exhaust gas of the dryer also has a large amount of heat when it is discharged, the device lacks a mechanism to recover the heat, resulting in heat waste. Therefore, we need to propose a dryer with exhaust gas purification. Utility Model Content

[0006] The utility model aims to provide a dryer with exhaust gas purification, aiming to solve the problem that although the prior art can purify the exhaust gas of the dryer, the exhaust gas of the dryer still has a large amount of heat when it is discharged, and the device lacks a mechanism to recover the heat, resulting in heat waste.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A dryer with exhaust gas purification comprises a dryer body, wherein the dryer body comprises a drying box and a heating device body, one side of the heating device body is fixedly connected to a first delivery pump, one end of the first delivery pump is connected to a heat exchange component for recovering the heat of the exhaust gas, one side of the heat exchange component is connected to an exhaust gas treatment box, and the interior of the exhaust gas treatment box is provided with an impurity removal component for purifying the exhaust gas.

[0009] Preferably, the heat exchange assembly includes a recovery barrel, one end of the recovery barrel is fixedly connected to an air intake pipe, one end of the air intake pipe is fixedly connected to a first delivery pump, the other end of the air intake pipe is fixedly connected to a spiral heat exchange tube, one end of the spiral heat exchange tube is fixedly connected to an air outlet pipe, and the other end of the air outlet pipe is fixedly connected to an exhaust gas treatment box.

[0010] Preferably, it also includes an insulation pipe, one end of which is fixedly connected to the outer wall of the recovery barrel, and the other end of the insulation pipe is fixedly connected to a second delivery pump, the second delivery pump is fixedly installed on a side wall of the heating device body, and one end of the second delivery pump is connected to the interior of the heating device body through a pipeline.

[0011] Preferably, a third delivery pump is fixedly connected to a side wall of the drying box, one end of the third delivery pump is fixedly connected to a delivery pipe, and the bottom end of the delivery pipe is fixedly connected to an air inlet pipe.

[0012] Preferably, the impurity removal component includes a purification filter element, and the purification filter element is detachably installed inside the exhaust gas treatment box. A connecting plate is fixedly installed on the top of the purification filter element, and a lifting handle is fixedly connected to the top of the connecting plate.

[0013] Preferably, a slot compatible with the purification filter element is opened on the top of the exhaust gas treatment box, the purification filter element is inserted into the inside of the slot, and a plurality of groups of positioning blocks are fixedly connected to the bottom of the purification filter element. A plurality of groups of positioning holes compatible with the positioning blocks are opened on the inner bottom of the exhaust gas treatment box, and a plurality of groups of positioning blocks are respectively inserted into the inside of a plurality of groups of positioning holes.

[0014] Preferably, an exhaust pipe is fixedly connected to one side wall of the exhaust gas treatment box, and the exhaust pipe is fixedly connected to the interior of the exhaust gas treatment box.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model sets a first delivery pump and a heat exchange component for use. The first delivery pump can deliver the exhaust gas generated by the heating device body to the spiral heat exchange tube. The spiral heat exchange tube will increase the travel of the exhaust gas, thereby extending the time the exhaust gas stays in the recovery barrel, so that the exhaust gas can be fully heat exchanged in the recovery barrel. Subsequently, the second delivery pump delivers the heat obtained by heat exchange inside the recovery barrel to the inside of the heating device body through the insulation tube, thereby achieving the effect of recycling the exhaust gas heat, thereby solving the problem of exhaust gas heat waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the shaft side of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the heat exchange component of the utility model;

[0020] Figure 4 It is a schematic structural diagram of the tail gas treatment box and impurity removal components of the utility model.

[0021] In the figure: 1. Dryer body; 101. Drying box; 102. Heating device body; 2. First delivery pump; 3. Heat exchange component; 301. Recovery barrel; 302. Inlet pipe; 303. Spiral heat exchange tube; 304. Exhaust pipe; 4. Exhaust treatment box; 5. De-impurity component; 501. Purification filter element; 502. Connecting plate; 503. Lifting handle; 6. Insulation tube; 7. Second delivery pump; 8. Slot; 9. Positioning block; 10. Positioning hole; 11. Third delivery pump; 12. Delivery pipe; 13. Exhaust pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A dryer with tail gas purification comprises a dryer body 1, the dryer body 1 comprises a drying box 101 and a heating device body 102, one side of the heating device body 102 is fixedly connected with a first delivery pump 2, one end of the first delivery pump 2 is connected with a heat exchange component 3 for recovering the heat of the tail gas, one side of the heat exchange component 3 is connected with a tail gas treatment box 4, and the tail gas treatment box 4 is provided with a de-impurity component 5 for purifying the tail gas. The utility model can recycle the heat in the tail gas generated by the drying box 101 and the heating device body 102, thereby solving the problem of waste of tail gas heat;

[0025] The heat exchange component 3 includes a recovery barrel 301, one end of the recovery barrel 301 is fixedly connected to an air inlet pipe 302, one end of the air inlet pipe 302 is fixedly connected to the first delivery pump 2, the other end of the air inlet pipe 302 is fixedly connected to a spiral heat exchange pipe 303, one end of the spiral heat exchange pipe 303 is fixedly connected to an air outlet pipe 304, the other end of the air outlet pipe 304 is fixedly connected to the exhaust gas treatment box 4, the first delivery pump 2 can deliver the exhaust gas generated by the heating device body 102 to the spiral heat exchange pipe 303, the spiral heat exchange pipe 303 will increase the travel of the exhaust gas, thereby extending the time of the exhaust gas in the recovery barrel 301, so that the exhaust gas can be fully heat exchanged in the recovery barrel 301;

[0026] It also includes an insulation pipe 6, one end of which is fixedly connected to the outer wall of the recovery barrel 301, and the other end of the insulation pipe 6 is fixedly connected to a second delivery pump 7, which is fixedly installed on one side wall of the heating device body 102, and one end of the second delivery pump 7 is connected to the inside of the heating device body 102 through a pipeline. The second delivery pump 7 delivers the heat obtained by heat exchange inside the recovery barrel 301 to the inside of the heating device body 102 through the insulation pipe 6, so as to achieve the effect of recycling the exhaust gas heat;

[0027] A third delivery pump 11 is fixedly connected to a side wall of the drying box 101, and one end of the third delivery pump 11 is fixedly connected to a delivery pipe 12. The bottom end of the delivery pipe 12 is fixedly connected to the air intake pipe 302. The third delivery pump 11 can pump the exhaust gas generated by the drying box 101 to the inside of the air intake pipe 302 through the delivery pipe 12, and the exhaust gas then enters the spiral heat exchange tube 303 for heat exchange treatment.

[0028] It should be noted that the pipes connected to the first delivery pump 2, the second delivery pump 7 and the third delivery pump 11 are all heat-insulating to avoid excessive heat loss;

[0029] The impurity removal component 5 includes a purification filter element 501 (the purification filter element 501 is an existing mature mechanism, and its working principle is not repeated here), the purification filter element 501 can be detachably installed inside the exhaust gas treatment box 4, and a connecting plate 502 is fixedly installed on the top of the purification filter element 501, and a lifting handle 503 is fixedly connected to the top of the connecting plate 502. The purification filter element 501 can purify the exhaust gas after heat exchange;

[0030] A slot 8 adapted to the purification filter element 501 is provided on the top of the exhaust treatment box 4, and the purification filter element 501 is inserted into the slot 8. The lifting handle 503 and the slot 8 are used in coordination to facilitate the removal and replacement of the purification filter element 501.

[0031] The bottom of the purification filter element 501 is fixedly connected with a plurality of groups of positioning blocks 9, and the inner bottom of the exhaust treatment box 4 is provided with a plurality of groups of positioning holes 10 adapted to the positioning blocks 9. The plurality of groups of positioning blocks 9 are respectively inserted into the interior of the plurality of groups of positioning holes 10. By setting the positioning blocks 9 and the positioning holes 10 for use in coordination, the purification filter element 501 is limited to avoid displacement during use.

[0032] An exhaust pipe 13 is fixedly connected to one side wall of the exhaust gas treatment box 4 . The exhaust pipe 13 is fixedly connected to the interior of the exhaust gas treatment box 4 . Exhaust gas that has been purified and meets the standards can be discharged through the exhaust pipe 13 .

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dryer with exhaust gas purification, comprising a dryer body (1), characterized in that: The dryer body (1) comprises a drying box (101) and a heating device body (102); one side of the heating device body (102) is fixedly connected to a first delivery pump (2); one end of the first delivery pump (2) is connected to a heat exchange component (3) for recovering heat from exhaust gas; one side of the heat exchange component (3) is connected to an exhaust gas treatment box (4); and an impurity removal component (5) for purifying exhaust gas is arranged inside the exhaust gas treatment box (4).

2. A drying machine with tail gas purification according to claim 1, characterized in that: The heat exchange assembly (3) comprises a recovery barrel (301), one end of the recovery barrel (301) is fixedly connected to an air intake pipe (302), one end of the air intake pipe (302) is fixedly connected to a first delivery pump (2), the other end of the air intake pipe (302) is fixedly connected to a spiral heat exchange pipe (303), one end of the spiral heat exchange pipe (303) is fixedly connected to an air outlet pipe (304), and the other end of the air outlet pipe (304) is fixedly connected to an exhaust gas treatment box (4).

3. A drying machine with tail gas purification according to claim 2, characterized in that: It also includes an insulation pipe (6), one end of the insulation pipe (6) is fixedly connected to the outer wall of the recovery barrel (301), and the other end of the insulation pipe (6) is fixedly connected to a second delivery pump (7), the second delivery pump (7) is fixedly installed on a side wall of the heating device body (102), and one end of the second delivery pump (7) is connected to the interior of the heating device body (102) through a pipeline.

4. A drying machine with tail gas purification according to claim 3, characterized in that: A third delivery pump (11) is fixedly connected to a side wall of the drying box (101), one end of the third delivery pump (11) is fixedly connected to a delivery pipe (12), and the bottom end of the delivery pipe (12) is fixedly connected to an air inlet pipe (302).

5. The dryer with tail gas purification according to claim 1, characterized in that: The impurity removal component (5) comprises a purification filter element (501), the purification filter element (501) is detachably mounted inside the exhaust gas treatment box (4), a connecting plate (502) is fixedly mounted on the top of the purification filter element (501), and a lifting handle (503) is fixedly connected to the top of the connecting plate (502).

6. A drying machine with tail gas purification according to claim 5, characterized in that: The top of the exhaust gas treatment box (4) is provided with a slot (8) adapted to the purification filter element (501), the purification filter element (501) is plugged into the inside of the slot (8), the bottom of the purification filter element (501) is fixedly connected with a plurality of groups of positioning blocks (9), the inner bottom of the exhaust gas treatment box (4) is provided with a plurality of groups of positioning holes (10) adapted to the positioning blocks (9), and the plurality of groups of positioning blocks (9) are respectively plugged into the inside of the plurality of groups of positioning holes (10).

7. The drying machine with tail gas purification according to claim 1, characterized in that: An exhaust pipe (13) is fixedly connected to one side wall of the exhaust gas treatment box (4), and the exhaust pipe (13) is fixedly connected to the interior of the exhaust gas treatment box (4).

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