Hot blast stove of asphalt stirring equipment

Abstract

The utility model relates to a hot-blast stove of asphalt mixing equipment, which belongs to the technical field of hot-blast stoves and comprises a base and a hot-blast stove body shell arranged at the top of the base, a partition plate is fixedly connected inside the hot-blast stove body shell, and a heat exchanger is fixedly mounted inside the hot-blast stove body shell. And a circulating filtering mechanism is arranged between the base and the hot blast stove body shell and comprises a treatment box fixedly installed at the top of the base, and a filter is fixedly connected into the treatment box. According to the hot blast stove of the asphalt stirring equipment, by arranging the circulating conveying pump and the communicating pipe, hot air in the heat exchanger can be conveyed into the treatment box, then by arranging the filter, the hot air in the heat exchanger can be filtered, and then by arranging the circulating conveying pump, the hot air is circulated into the heat exchanger; therefore, the effect of fully utilizing the heat is achieved, loss of a large amount of heat is avoided, and the effect of recycling the heat is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot -blast furnace technical field, concretely is a hot -blast furnace of pitch mixing equipment. BACKGROUND

[0002] The hot -blast furnace in pitch mixing equipment is a kind of key equipment to provide hot air. It is mainly used to heat and dry the stone in the cylinder. In the process of pitch mixing, stone needs to reach a certain degree of dryness, and the high-temperature hot air generated by the hot -blast furnace can quickly remove the moisture in the stone, so that it can be better mixed with pitch and other materials, thereby ensuring the quality of pitch mixture.

[0003] In the practical process of pitch mixing equipment, hot -blast furnace needs to be used, and the Chinese utility model patent with publication number CN205825415U discloses a hot -blast furnace of plant mixing hot -regenerated pitch mixing equipment, including shell and hearth, shell and hearth are made of high-temperature resistant steel plate, annular cavity is formed between shell and hearth, hearth includes outer end plate, inner end plate and inner cylinder, one end of inner cylinder is sealed and provided with inner end plate, the other end of inner cylinder is provided with conical necking, outer end plate center is connected with inner end plate by connecting column, outer end plate center is provided with a through hole that is communicated with inner end plate and inner cylinder, the end edge of outer end plate is fixedly connected with shell, a plurality of return air inlets are arranged in the circumferential surface of inner end plate, outer end plate, inner end plate, connecting column and the corresponding shell between outer end plate and inner end plate form a return air cavity, which is communicated with annular cavity and inner cylinder respectively, and the bottom of the corresponding shell between inner end plate and outer end plate is provided with a tail gas inlet communicated with the return air cavity. The utility model can reduce heat loss, realize tail gas recycling, and also can cool the inner wall of hearth.

[0004] However, in the process of using the utility model, a large amount of hot gas will be generated in the process of burning in the hot -blast furnace, and the hot gas will exchange heat with cold air through the heat exchanger. When the hot gas passes through the heat exchanger, the residual heat is not recycled, which leads to the loss of part of the heat and increases the heat loss, cannot meet the production demand, and therefore a hot -blast furnace of pitch mixing equipment is proposed to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0005] In view of the shortcomings of the prior art, the utility model provides a hot -blast furnace of pitch mixing equipment, which has the advantages of convenient heat recycling, solves the problems that a large amount of hot gas is generated in the process of burning in the hot -blast furnace, the hot gas exchanges heat with cold air through the heat exchanger, the residual heat is not recycled after the hot gas passes through the heat exchanger, which leads to the loss of part of the heat and increases the heat loss, and cannot meet the production demand.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A hot blast furnace of asphalt mixing equipment, including base and setting at the top of base hot blast furnace body shell, the inside fixedly connected with the partition of hot blast furnace body shell, the inside fixedly installed with heat exchanger of hot blast furnace body shell, be provided with circulating filter mechanism between base and hot blast furnace body shell,

[0007] The circulating filter mechanism includes a treatment box fixedly installed on the top of the base, a filter fixedly connected inside the treatment box, a communication pipe fixedly connected on one side of the treatment box and communicated with the heat exchanger, a circulating delivery pump fixedly installed on the top of the base, an input end of the circulating delivery pump fixedly connected with the treatment box, and a delivery pipeline fixedly connected on the output end of the circulating delivery pump and fixedly connected with the heat exchanger.

[0008] Further, the base and the hot blast furnace body shell are fixedly connected with a support seat, and the delivery pipeline and the communication pipe are fixedly connected with the heat exchange pipeline inside the heat exchanger.

[0009] Further, one side of the heat exchanger is fixedly connected with a heat transfer pipeline extending into the inside of the partition plate, and the top of the heat exchanger is fixedly connected with an air inlet pipe extending to the top of the hot blast furnace body shell.

[0010] Further, one side of the hot blast furnace body shell is fixedly connected with an air outlet box, a delivery fan is fixedly installed inside the air outlet box, and an air outlet pipe is fixedly connected between the heat exchanger and the air outlet box.

[0011] Further, one side of the hot blast furnace body shell is fixedly connected with a through port extending into the inside thereof, and the space between the hot blast furnace body shell and the partition plate is a combustion chamber.

[0012] Further, a purification box is fixedly installed on the top of the hot blast furnace body shell, a connecting pipe is fixedly connected between the hot blast furnace body shell and the purification box, and an exhaust pipe is fixedly connected on the top of the purification box and communicated with the inside thereof.

[0013] Further, filter plates, activated carbon filter plates and purification plates are respectively slidably connected inside the purification box, the filter plates are located on one side of the purification box close to the connecting pipe, and the activated carbon filter plates are located between the filter plates and the purification plates.

[0014] Further, sliding blocks extending into the inside of the purification box are fixedly connected on the left and right sides of the filter plates, and sliding grooves matched with the sliding blocks are formed on the inner wall of the purification box.

[0015] Compared with the prior art, the utility model provides a hot blast furnace of asphalt mixing equipment, which has the following beneficial effects:

[0016] 1. The hot blast furnace of the asphalt mixing equipment, through the setting of the circulating conveying pump and the communication pipe, heat gas inside the heat exchanger can be conveyed to the inside of the treatment box, through the setting of the filter, the heat gas inside the heat exchanger can be filtered, and through the setting of the circulating conveying pump, the heat gas is circulated to the inside of the heat exchanger, thereby realizing the effect of fully utilizing heat, thereby avoiding the loss of a large amount of heat, and achieving the effect of heat recycling.

[0017] 2. The hot blast furnace of the asphalt mixing equipment, through the setting of the filter plate, waste gas inside the combustion chamber can be filtered, through the setting of the activated carbon filter plate and the purification plate, the waste gas can be purified, thereby avoiding the pollution of air caused by the direct discharge of waste gas, solving the problem that in the process of burning inside the hot blast furnace, a large amount of heat gas is generated, the heat gas exchanges heat with cold air through the heat exchanger, the residual heat of the heat gas is not recycled after passing through the heat exchanger, thereby causing the loss of part of the heat and increasing the heat loss, and the production demand cannot be met. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a sectional view of the utility model structure;

[0019] Fig. 2 It is a structure schematic view of the conveying fan of the utility model;

[0020] Fig. 3 It is a structure schematic view of the purification box of the utility model;

[0021] Fig. 4 It is a structure perspective view of the utility model.

[0022] In the drawing: 1 base, 2 hot blast furnace body shell, 3 partition plate, 4 heat exchanger, 5 treatment box, 6 filter, 7 communication pipe, 8 circulating conveying pump, 9 conveying pipeline, 10 heat transfer pipeline, 11 air inlet pipe, 12 air outlet box, 13 conveying fan, 14 air outlet pipe, 15 opening, 16 purification box, 17 connecting pipe, 18 filter plate, 19 activated carbon filter plate, 20 purification plate, 21 exhaust pipe. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Embodiment one:

[0025] Please refer to Figs. 1 to 4The hot blast furnace of the asphalt mixing equipment in the embodiment comprises a base 1, a hot blast furnace body shell 2 arranged on the top of the base 1, a partition plate 3 fixedly connected in the hot blast furnace body shell 2, a heat exchanger 4 fixedly installed in the hot blast furnace body shell 2, and a circulating filtering mechanism arranged between the base 1 and the hot blast furnace body shell 2.

[0026] The base 1 and the hot blast furnace body shell 2 are fixedly connected with a support seat, the conveying pipeline 9 and the communicating pipe 7 are fixedly connected with heat exchange pipelines in the heat exchanger 4, the heat exchanger 4 is fixedly connected with a heat transfer pipeline 10 extending into the partition plate 3 on one side, and the heat exchanger 4 is fixedly connected with an air inlet pipe 11 extending to the top of the hot blast furnace body shell 2 on the top.

[0027] It should be noted that the processing box 5 is located between the base 1 and the hot blast furnace body shell 2, the circulating conveying pump 8 and the communicating pipe 7 are arranged, so that the hot air in the heat exchanger 4 can be conveyed to the inside of the processing box 5, the filter 6 is arranged, so that the hot air in the heat exchanger 4 can be filtered, and the circulating conveying pump 8 is arranged, so that the hot air can be circulated to the inside of the heat exchanger 4, thereby achieving the effect of fully utilizing heat.

[0028] In the embodiment, the hot blast furnace body shell 2 is fixedly connected with an air outlet box 12 on one side, the air outlet box 12 is fixedly installed with a conveying fan 13 in the inside, the heat exchanger 4 and the air outlet box 12 are fixedly connected with an air outlet pipe 14, the hot blast furnace body shell 2 is fixedly connected with a through hole 15 extending to the inside thereof on one side, and the space between the hot blast furnace body shell 2 and the partition plate 3 is a combustion chamber.

[0029] Embodiment two

[0030] Please refer to Figs. 1 to 3 On the basis of the embodiment one, the hot blast furnace body shell 2 is fixedly installed with a purification box 16 on the top, the hot blast furnace body shell 2 and the purification box 16 are fixedly connected with a connecting pipe 17, the top of the purification box 16 is fixedly connected with an exhaust pipe 21 communicating with the inside thereof, the inside of the purification box 16 is slidably connected with a filter plate 18, an activated carbon filter plate 19 and a purification plate 20, respectively, the filter plate 18 is located on one side of the purification box 16 close to the connecting pipe 17, and the activated carbon filter plate 19 is located between the filter plate 18 and the purification plate 20.

[0031] In the embodiment, the left and right sides of the filter plate 18 are fixedly connected with sliding blocks extending into the inside of the purification box 16, and the inner wall of the purification box 16 is provided with sliding grooves matched with the sliding blocks.

[0032] By adopting the above technical scheme, the filter plate 18 can filter the exhaust gas in the combustion chamber, the activated carbon filter plate 19 and the purification plate 20 can purify the exhaust gas, thereby avoiding the pollution of the air caused by the direct discharge of the exhaust gas.

[0033] The working principle of the above embodiment is as follows:

[0034] First, the staff connects the air outlet box 12 with the drying cylinder of the asphalt mixing equipment, then the staff burns the fuel in the combustion chamber in the heat furnace body shell 2, then the heat generated by the combustion chamber is transmitted to the inside of the heat exchanger 4 through the heat transfer pipeline 10, at the same time, the outside cold air enters the inside of the heat exchanger 4 through the air inlet pipe 11, the outside cold air is heated by the hot air, and the circulating delivery pump 8 is started to deliver the hot air in the heat exchanger 4 to the inside of the treatment box 5, and the filtered hot air is circulated to the inside of the heat exchanger 4 again.

[0035] The electrical components in the text are electrically connected with the main controller and the power supply, the main controller can be a conventional known device such as a computer, and the existing disclosed power connection technology also belongs to the common knowledge in the field, which will not be described in detail in the text.

[0036] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hot blast stove of an asphalt mixing plant, comprising a base (1) and a hot blast stove body casing (2) arranged on top of the base (1), characterized in that: The inside of the hot blast furnace body shell (2) is fixedly connected with a partition plate (3), and the inside of the hot blast furnace body shell (2) is fixedly installed with a heat exchanger (4), and a circulating filtering mechanism is arranged between the base (1) and the hot blast furnace body shell (2). The circulating filtering mechanism comprises a treatment box (5) fixedly installed on the top of the base (1), the inside of the treatment box (5) is fixedly connected with a filter (6), one side of the treatment box (5) is fixedly connected with a communicating pipe (7) communicated with the heat exchanger (4), the top of the base (1) is fixedly installed with a circulating conveying pump (8), the input end of the circulating conveying pump (8) is fixedly connected with the treatment box (5), and the output end of the circulating conveying pump (8) is fixedly connected with a conveying pipeline (9) fixedly connected with the heat exchanger (4).

2. The hot air furnace of claim 1, wherein: The base (1) and the hot blast furnace body shell (2) are fixedly connected with a supporting seat, and the conveying pipeline (9) and the communicating pipe (7) are fixedly connected with heat exchange pipelines in the heat exchanger (4).

3. The hot air furnace of claim 1, wherein: One side of the heat exchanger (4) is fixedly connected with a heat transfer pipeline (10) extending into the inside of the partition plate (3), and the top of the heat exchanger (4) is fixedly connected with an air inlet pipe (11) extending to the top of the hot blast furnace body shell (2).

4. The hot air furnace of claim 1, wherein: One side of the hot blast furnace body shell (2) is fixedly connected with an air outlet box (12), the inside of the air outlet box (12) is fixedly installed with a conveying fan (13), and the heat exchanger (4) and the air outlet box (12) are fixedly connected with an air outlet pipe (14).

5. The hot air furnace of claim 1, wherein: One side of the hot blast furnace body shell (2) is fixedly connected with an opening (15) extending into the inside thereof, and the space between the hot blast furnace body shell (2) and the partition plate (3) is a combustion chamber.

6. The hot air furnace of claim 1, wherein: The top of the hot blast furnace body shell (2) is fixedly installed with a purification box (16), the hot blast furnace body shell (2) and the purification box (16) are fixedly connected with a connecting pipe (17), and the top of the purification box (16) is fixedly connected with an exhaust pipe (21) communicated with the inside thereof.

7. A hot air furnace for an asphalt mixing plant according to claim 6, characterised in that: The inside of the purification box (16) is slidably connected with a filter plate (18), an activated carbon filter plate (19) and a purification plate (20) respectively, one side of the filter plate (18) close to the connecting pipe (17) in the inside of the purification box (16), and the activated carbon filter plate (19) is located between the filter plate (18) and the purification plate (20).

8. A hot air furnace for an asphalt mixing plant according to claim 7, characterised in that: The left and right sides of the filter plate (18) are fixedly connected with sliding blocks extending into the inside of the purification box (16), and sliding grooves matched with the sliding blocks are formed in the inner wall of the purification box (16).

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