Energy-saving drying tower structure with waste heat recovery function

Abstract

The utility model discloses an energy-saving type drying tower structure with a waste heat recovery function, and relates to the technical field of drying towers, an air inlet pipe is arranged on the upper surface of a drying tower body in a penetrating mode, one end of the air inlet pipe is connected with a waste heat recovery box, a heat conduction box is arranged in the waste heat recovery box, baffle plates are arranged in the heat conduction box in a staggered mode, and the baffle plates are connected with the waste heat recovery box. Heat conduction rods are symmetrically arranged on the outer side of the heat conduction box, an exhaust pipe is arranged on the outer side of the waste heat recovery box in a penetrating mode, and a first discharging plate and a second discharging plate are arranged on the inner side of the drying tower body from top to bottom. Hot air generated by drying of the drying tower body can be introduced into the heat conduction box through the air inlet pipe and is baffled through the baffle plate to reduce the air flow speed after entering, meanwhile, heat can be conducted out through the heat conduction rod to heat cold water in the waste heat recycling box, and therefore the purpose of waste heat recycling is achieved, cost is reduced, and energy is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying tower technical field especially relates to energy -conserving drying tower structure with waste heat recovery. BACKGROUND

[0002] Drying tower is a kind of equipment commonly used in industrial production, mainly used to remove moisture in material by hot air or other heat medium, it is usually used to handle large quantities of material, such as food, chemical raw materials, minerals, medicines etc., the purpose is to change wet material into dry material through drying process.

[0003] Chinese patent discloses a kind of heat pump grain drying tower device (authorized announcement number CN219368294U), the patent technology is equipped with drying device, air blower is generated by heating furnace hot air through air inlet pipe, air outlet pipe and outer sleeve pipe and is delivered to air outlet plate, and through air outlet to the grain is layered drying, preliminary improvement grain drying efficiency, and drive motor can drive auger rotation, so that the grain in material collecting bin is re-transported to drying tower inside, realize the circulation flow of grain between material collecting bin and drying tower, so as to secondarily accelerate the drying efficiency of grain.

[0004] However, the existing drying tower adopts the mode that most of the heat of drying is directly discharged outward, which cannot utilize the heat and increase the cost, such as the above-mentioned comparative document, which adopts the mode of directly discharging heat, in actual application, since the drying tower generates a large amount of hot gas when drying grain, the hot gas directly discharged outward will cause waste and low practicability. Therefore, the technical personnel in the art provides an energy-saving drying tower structure with waste heat recovery to solve the problems raised in the above background art. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides an energy-saving drying tower structure with waste heat recovery, which solves the problems raised in the above background art.

[0006] In order to achieve the above object, the utility model discloses an energy -conserving drying tower structure with waste heat recovery through the following technical schemes: including: drying tower main part and the feed inlet of setting on the upper surface of drying tower main part, the front surface of drying tower main part is equipped with heating case, the both sides symmetrical of heating case are equipped with the air outlet pipe, one end of air outlet pipe is connected with the spray pipe in the inside of drying tower main part, one side symmetrical of spray pipe is equipped with the spray head, the upper surface of drying tower main part is equipped with the air inlet pipe, one end of air inlet pipe is connected with waste heat recovery tank, the inside of waste heat recovery tank is equipped with the heat conduction box, the inside of heat conduction box is equipped with the baffle, and the outside of heat conduction box is equipped with the heat conduction rod, the outside of waste heat recovery tank is equipped with the exhaust pipe, and the inside of drying tower main part is equipped with first discharge plate and second discharge plate from top to bottom respectively.

[0007] As a further technical scheme of the utility model, the first discharge plate is inclined to be high on the left and low on the right inside the drying tower main body, and the second discharge plate is inclined to be low on the left and high on the right inside the drying tower main body.

[0008] As a further technical scheme of the utility model, the front surface of the heating case is provided with an air inlet hole, and the inside of the heating case is also provided with a heating pipe symmetrically, and the inside of the heating case is provided with a fan behind the heating pipe.

[0009] As a further technical scheme of the utility model, the spray head is symmetrically provided with three on one side of the spray pipe, and the spray head is arranged at a side surface position close to the first discharge plate and the second discharge plate.

[0010] As a further technical scheme of the utility model, the lower end of the air inlet pipe extends to the inside of the heat conduction box through the upper surface of the waste heat recovery tank, and one end of the exhaust pipe is in communication with one side surface of the heat conduction box.

[0011] As a further technical scheme of the utility model, the heat conduction rod is symmetrically provided with at least three rows on both sides of the heat conduction box, and each row of heat conduction rods is provided with four.

[0012] The utility model provides energy -conserving drying tower structure with waste heat recovery with the prior art has the following beneficial effects compared to:

[0013] 1, the energy -conserving drying tower structure with waste heat recovery of the design, through the air inlet pipe, the hot gas generated by drying tower main body drying can be passed into the inside of heat conduction box, and after entering, the air flow rate is reduced by the baffle, and the heat conduction rod can be used to conduct heat to heat the cold water in the waste heat recovery tank, so as to realize the purpose of waste heat recovery, reduce the cost, and save energy.

[0014] 2、The energy-saving drying tower structure with waste heat recovery of the design can incline the to-be-dried articles entering from the feeding port through the first and second inclined discharge plates, and the hot gas sprayed by the spray head can be used to dry the to-be-dried articles during the discharging process, so that the structure is simple and practical. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the energy-saving drying tower structure with waste heat recovery.

[0016] Figure 2 It is a structural schematic view of the waste heat recovery tank in the energy-saving drying tower structure with waste heat recovery.

[0017] Figure 3 It is a structural schematic view of the heating tank in the energy-saving drying tower structure with waste heat recovery.

[0018] Figure 4 It is a structural schematic view of the drying tower main body in the energy-saving drying tower structure with waste heat recovery.

[0019] In the figure: 1, drying tower main body; 11, feeding port; 12, first discharge plate; 13, second discharge plate; 2, heating tank; 21, gas outlet pipe; 22, spray pipe; 221, spray head; 23, heating pipe; 24, fan; 25, air inlet hole; 3, waste heat recovery tank; 31, air inlet pipe; 32, exhaust pipe; 33, heat conduction tank; 34, baffle; 35, heat conduction rod. DETAILED DESCRIPTION

[0020] The technical solutions 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, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4The utility model provides energy -conserving drying tower structure technology scheme with waste heat recovery, include: drying tower main part 1 and set up in drying tower main part 1 upper surface feed inlet 11, the front surface of drying tower main part 1 is equipped with heating box 2, the both sides of heating box 2 are provided with gas outlet pipe 21, one end of gas outlet pipe 21 is connected with the injection pipe 22 in the inside of drying tower main part 1, one side of injection pipe 22 is provided with the spray head 221 symmetrically, the upper surface of drying tower main part 1 is provided with the air inlet pipe 31, one end of air inlet pipe 31 is connected with waste heat recovery box 3, the inside of waste heat recovery box 3 is provided with heat conduction box 33, the inside of heat conduction box 33 is provided with the baffle 34 staggeredly, and the outside of heat conduction box 33 is provided with the heat conduction rod 35 symmetrically, the outside of waste heat recovery box 3 is provided with the exhaust pipe 32, the inside of drying tower main part 1 is provided with first downcomer plate 12 and second downcomer plate 13 from top to bottom respectively, the setting utilizes first downcomer plate 12 and second downcomer plate 13 can be inclined to the down material from feed inlet 11 into the article to be dried, when down material, will make the hot gas that the spray head 221 sprays contact realizes the purpose of drying, simultaneously utilizes air inlet pipe 31 can be the gas that the drying produces is led into the inside of heat conduction box 33, and after entering the baffle 34 in the inside of heat conduction box 33 can make the gas baffling reduces the flow rate, and then can heat the cold water in the inside of waste heat recovery box 3 purposes, realizes the purpose of waste heat recovery.

[0022] As Figure 4 The first downcomer plate 12 is inclined to be high on the left and low on the right inside the drying tower main body 1, and the second downcomer plate 13 is inclined to be low on the left and high on the right inside the drying tower main body 1. The first downcomer plate 12 can make the article to be dried inclined to the second downcomer plate 13, and the inclined second downcomer plate 13 can realize the object to be down to the inside of the drying tower main body 1 to realize drying.

[0023] As Figure 1 And Figure 3 The front surface of the heating box 2 is provided with an air inlet hole 25, and the inside of the heating box 2 is also provided with a heating pipe 23 symmetrically. The inside of the heating box 2 is provided with a fan 24 behind the heating pipe 23. Three spray heads 221 are symmetrically arranged on one side of the injection pipe 22, and the spray heads 221 are arranged at the side surface position close to the first downcomer plate 12 and the second downcomer plate 13. The fan 24 can make the external air enter the inside of the heating box 2 through the air inlet hole 25, and the air is heated by the heating pipe 23 after entering. The heated air enters the injection pipe 22 through the gas outlet pipe 21, and finally sprays outward through the spray head 221 to realize the purpose of drying the down material.

[0024] As Figure 2As shown, the lower end of the air inlet pipe 31 extends through the upper surface of the waste heat recovery tank 3 to the inside of the heat conduction tank 33, one end of the air outlet pipe 32 penetrates the side surface of the heat conduction tank 33, and at least three rows of heat conduction rods 35 are symmetrically arranged on both sides of the heat conduction tank 33, and each row of heat conduction rods 35 is provided with four heat conduction rods. The setting can make the air generated by drying enter the inside of the heat conduction tank 33 through the air inlet pipe 31, and the heat can be conducted to the inside of the waste heat recovery tank 3 through the heat conduction rod 35 after entering, so as to heat the cold water, so that the purpose of waste heat recovery is achieved, and the energy consumption is reduced.

[0025] The working principle of the utility model is as follows: when the energy-saving drying tower structure with waste heat recovery of the utility model is used, first, the fan 24 inside the heating tank 2 is started to work, so that the external air enters the inside of the heating tank 2 through the air inlet hole 25, and is heated by the heating pipe 23 after entering. A temperature sensor can be arranged in the heating tank 2 to monitor the temperature, and a valve can be arranged outside the air outlet pipe 21 to open after the air is heated and enter the air outlet pipe 21. Finally, the spray head 221 on one side of the spray pipe 22 sprays outward, and when spraying, the objects to be dried, such as wheat, enter the inside of the drying tower main body 1 from the feed inlet 11, and after entering, the objects to be dried are discharged by the first discharge plate 12. When the second discharge plate 13 falls, the hot air sprayed by the spray head 221 is used for heating and drying at the same time. The second discharge plate 13 is also heated and dried by the hot air sprayed by the spray head 221, so that the drying effect is improved. The heating pipe can also be arranged in the drying tower main body 1 to dry the objects to be dried in the drying tower main body 1. Finally, the discharge port of the drying tower main body 1 can be opened (a valve is arranged) to discharge. The hot air generated by the drying of the drying tower main body 1 is extracted by the external air extractor. When extracting, the hot air enters the inside of the heat conduction tank 33 through the air inlet pipe 31, and is deflected by the baffle 34 after entering to reduce the air flow rate. The heat conduction rod 35 can conduct heat to heat the cold water in the waste heat recovery tank 3, so as to achieve the purpose of waste heat recovery and utilization, reduce the cost and save energy.

[0026] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. Energy saving drying column structure with heat recovery, characterized by, Include: The drying tower body (1) and the feed inlet (11) arranged on the upper surface of the drying tower body (1), the front surface of the drying tower body (1) is provided with a heating box (2), the both sides of the heating box (2) are symmetrically provided with an air outlet pipe (21), one end of the air outlet pipe (21) is connected with a spray pipe (22) in the inside of the drying tower body (1), one side of the spray pipe (22) is symmetrically provided with a spray head (221), the upper surface of the drying tower body (1) is provided with a gas inlet pipe (31) in penetration, one end of the gas inlet pipe (31) is connected with a waste heat recovery tank (3), the inside of the waste heat recovery tank (3) is provided with a heat conduction box (33), the inside of the heat conduction box (33) is provided with baffles (34) staggered, and the outside of the heat conduction box (33) is symmetrically provided with heat conduction rods (35), the outside of the waste heat recovery tank (3) is provided with an exhaust pipe (32) in penetration, the inside of the drying tower body (1) is provided with a first discharging plate (12) and a second discharging plate (13) from top to bottom.

2. The energy efficient drying column structure with heat recovery as claimed in claim 1 wherein, The first discharging plate (12) is inclined to be high on the left and low on the right in the inside of the drying tower body (1), and the second discharging plate (13) is inclined to be low on the left and high on the right in the inside of the drying tower body (1).

3. The energy efficient drying column structure with heat recovery as claimed in claim 1 wherein, The front surface of the heating box (2) is provided with an air inlet hole (25), and the inside of the heating box (2) is also symmetrically provided with a heating pipe (23), and the inside of the heating box (2) is provided with a fan (24) behind the heating pipe (23).

4. The energy efficient drying column structure with heat recovery as claimed in claim 1 wherein, Three spray heads (221) are symmetrically arranged on one side of the spray pipe (22), and the spray heads (221) are arranged at the side position close to the first discharging plate (12) and the second discharging plate (13).

5. The energy efficient drying column structure with heat recovery as claimed in claim 1 wherein, The lower end of the gas inlet pipe (31) extends to the inside of the heat conduction box (33) through the upper surface of the waste heat recovery tank (3), and one end of the exhaust pipe (32) and one side of the heat conduction box (33) are mutually penetrated.

6. The energy efficient drying column structure with heat recovery as claimed in claim 1 wherein, The heat conduction rods (35) are symmetrically arranged in at least three rows on both sides of the heat conduction box (33), and each row of heat conduction rods (35) is provided with four heat conduction rods (35).

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