Tube bundle drying machine

Abstract

The utility model belongs to the technical field of material drying application, and particularly discloses a tube bundle drying machine. Comprising a tube bundle main machine, a steam inlet, a condensate water outlet, a heating tube bundle, a material outlet, a material inlet, a feeding device, a double-shaft feeding auger, a discharging auger, a discharging airlock, a returning device, an air inlet, a feeding positive pressure fan, a waste steam dust outlet, a gas collecting device, a cyclone dust collector, a rotary dust collector airlock and the like. The device has the advantages that materials enter the tube bundle main machine and are stirred through the material carrying shovel rotor, moisture in the materials is heated outside the heating tube bundle to become steam in the process, the steam is treated through the waste steam and dust outlet, the gas collecting hood, the cyclone dust collector and the rotary dust collector airlock, the dried materials are thrown by the rotating material carrying shovel rotor, and the materials are dried. The materials uniformly fall onto the surface of the heating tube bundle and are pushed to the material outlet from the material inlet end by the material-carrying shovel rotor, so that rapid and good drying is completed; and the feeding positive pressure fan and the air inlet assist the materials to be quickly discharged through the material outlet.

Description

Technical Field

[0001] The utility model belongs to the technical field of material drying application, and specifically relates to a tube bundle dryer. Background Art

[0002] Material drying is an essential process in the production and processing of materials, such as in the pharmaceutical, chemical, food and other industries.

[0003] The basic principle of material drying is to put the wet material into the drying medium, and evaporate the water or other solvents in the material through heating, ventilation or vacuum adsorption to achieve the required degree of dryness.

[0004] At present, the problem of traditional drying equipment is low drying efficiency, such as evaporative drying equipment. How to design a fast and cyclic drying equipment is what needs to be solved at present.

[0005] Therefore, based on the above problems, the utility model provides a tube bundle dryer. Utility Model Content

[0006] Purpose of the utility model: The purpose of the utility model is to provide a tube bundle dryer to solve the technical problems existing in the use of current drying equipment in the background technology and to realize rapid drying operation of materials in a circulating manner.

[0007] Technical solution: The tube bundle dryer of the utility model comprises a tube bundle mainframe, wherein steam inlet and condensate outlet are arranged at both ends of the tube bundle mainframe, a heating tube bundle connected to the steam inlet and condensate outlet respectively is arranged in the tube bundle mainframe, a material outlet is arranged at one end face of the tube bundle mainframe and one side located at the steam inlet, a material inlet is arranged at the other end face of the tube bundle mainframe, a feed bin is arranged at one side of the tube bundle mainframe, the material inlet and the feed bin are connected by a double-axis feed auger, and a discharge port is arranged at one end of the material outlet An auger, a discharging shut-off fan is arranged at one end of the discharging auger, a return auger is arranged on the discharging shut-off fan, the discharging port of the return auger is located above the feed bin, an air inlet is arranged on the upper side wall of the tube bundle main unit, a feeding positive pressure fan connected to the air inlet is arranged on one side of the tube bundle main unit, a waste gas and dust outlet is arranged on the tube bundle main unit and on the side located at the material inlet, an air collecting hood is arranged on the waste gas and dust outlet, a cyclone dust collector is arranged on the air collecting hood, and a rotating dust collector shut-off fan is arranged at one end of the cyclone dust collector.

[0008] In the technical solution, the tube bundle main unit includes a skid-mounted base, and an upper shell and a lower shell arranged on the skid-mounted base and used in conjunction with each other, and a bearing support arranged on the skid-mounted base and located on the outer walls of both ends of the upper shell, and a shovel rotor with materials located in the upper shell and the lower shell and connected to the bearing supports at both ends, and a motor and a reducer arranged on an end face of one end of the skid-mounted base and used in conjunction with each other, and a transmission gear arranged on an end face of one end of the skid-mounted base and connected to the shovel rotor with materials; wherein the reducer is connected to the transmission gear.

[0009] In the technical solution, the tube bundle dryer further includes a lower auger of the feed bin arranged at the bottom of the feed bin, and an inclined feed auger arranged at one side of the feed bin and connected to the lower auger of the feed bin.

[0010] Compared with the prior art, the tube bundle dryer of the utility model has the following beneficial effects: 1. The material enters the tube bundle main unit, and the material is stirred by the shovel rotor. In this process, the moisture in the material is heated outside the heating tube bundle and becomes steam, which is processed through the exhaust gas and dust outlet, the gas collecting hood, the cyclone dust collector, and the rotary dust collector fan. The dry material is thrown by the rotating shovel rotor, falls evenly on the surface of the heating tube bundle, and is pushed from the material inlet end to the material outlet by the shovel rotor, completing fast and good drying; 2. The feeding positive pressure fan and the air inlet assist the material to be quickly discharged through the material outlet; 3. The discharging auger, the discharging fan, the return auger, the lower auger of the feed bin and the feed inclined auger realize the conveying, collection or circulating drying operation of the dry material, and can also be directly collected through the return auger. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art,

[0012] The drawings required for use in the examples are briefly introduced. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the vertical structure of the tube bundle dryer of the utility model;

[0014] Figure 2 This is a schematic diagram of the main structure of the tube bundle dryer of the utility model;

[0015] Figure 3 It is a schematic diagram of the top view of the tube bundle dryer of the utility model;

[0016] Figure 4 It is a left-side structural schematic diagram of the tube bundle dryer of the utility model;

[0017] Figure 5 This is a schematic diagram of the main structure of the tube bundle main unit of the tube bundle dryer of the utility model;

[0018] Figure 6 yes Figure 5 A schematic diagram of a top view structure;

[0019] Figure 7 yes Figure 5 Schematic diagram of the left view structure;

[0020] Among them, the serial numbers in the figure are as follows: 1-tube bundle main unit, 2-double-axis feed auger, 3-discharge auger, 4-return auger, 5-discharge shut-off fan, 6-feed bin, 7-feed bin lower auger, 8-feed inclined auger, 9-feeding positive pressure fan, 91-air inlet, 10-cyclone dust collector, 11-axis rotary dust collector shut-off fan, 1A-upper shell, 2A-lower shell, 3A-air collection hood, 4A-transmission gear, 5A-motor, 6A-reducer, 7A-skid-mounted base, 8A-bearing support, 9A-connected shovel rotor, a-steam inlet, b-condensate outlet, c-material inlet, d-material outlet, e-waste steam and dust outlet, f-heating tube bundle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Embodiment 1

[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 4 The tube bundle dryer shown comprises a tube bundle main unit 1,

[0024] The two ends of the tube bundle main unit 1 are provided with a steam inlet a and a condensate outlet b.

[0025] A heating tube bundle f connected to the steam inlet a and the condensate outlet b is arranged in the tube bundle main unit 1.

[0026] The end face of the main tube bundle 1 is provided with a material outlet d on one side of the steam inlet a.

[0027] The other end of the main tube bundle 1 is provided with a material inlet c.

[0028] A feed bin 6 is provided on one side of the tube bundle main unit 1.

[0029] The material inlet c and the feed bin 6 are connected by a double-shaft feed auger 2.

[0030] A discharging auger 3 is provided at one end of the material outlet d, and a discharging fan 5 is provided at one end of the discharging auger 3.

[0031] The discharge fan 5 is provided with a return auger 4.

[0032] The discharge port of the return auger 4 is located above the feed bin 6.

[0033] An air inlet 91 is provided on the upper side wall of the tube bundle main unit 1.

[0034] A feeding positive pressure blower 9 connected to the air inlet 91 is provided on one side of the tube bundle main unit 1.

[0035] On the main tube bundle 1, a waste gas and dust outlet e is provided on one side of the material inlet c.

[0036] The exhaust gas and dust outlet e is provided with a gas collecting hood 3A.

[0037] The air collecting hood 3A is provided with a cyclone dust collector 10.

[0038] A rotary dust collector fan 11 is provided at one end of the cyclone dust collector 10;

[0039] Among them, hot steam enters the heating tube bundle f in the tube bundle main unit 1 through the steam inlet a, and the condensed water after drying heat exchange is discharged from the condensed water outlet b. The material is added to the feed bin 6, and enters the tube bundle main unit 1 through the material inlet c through the double-axis feeding auger 2. After drying, the material is discharged through the material outlet d through the feeding positive pressure fan 9 and the air inlet 91, and at the same time, it is circulated to the feed bin 6 through the discharging auger 3, the discharging shut-off fan 5, and the return auger 4, and enters the tube bundle main unit 1 again through the material inlet c. The rotary dust collector shut-off fan 11 performs adsorption operation through the cyclone dust collector 10, the air collecting hood 3A, and the exhaust gas and dust outlet e.

[0040] In addition, if Figure 5 , Figure 6 and Figure 7 The tube bundle main unit 1 shown includes a skid-mounted base 7A, and an upper shell 1A and a lower shell 2A arranged on the skid-mounted base 7A and used in conjunction with each other, and a bearing support 8A arranged on the skid-mounted base 7A and located on the outer walls of both ends of the upper shell 1A, and a shovel rotor 9A with material located in the upper shell 1A and the lower shell 2A and connected to the bearing support 8A at both ends, and a motor 5A and a reducer 6A arranged on one end surface of the skid-mounted base 7A and used in conjunction with each other, and a transmission gear 4A arranged on one end surface of the skid-mounted base 7A and connected to the shovel rotor 9A with material; wherein the reducer 6A is connected to the transmission gear 4A, and the above-mentioned design structure realizes the rapid rotation, scooping and throwing of materials with moisture, and completes the rapid and efficient evaporation and drying of the materials. Embodiment 2

[0041] On the basis of the first embodiment, the tube bundle dryer further comprises a feed bin lower auger 7 arranged at the bottom of the feed bin 6, and a feed inclined auger 8 arranged at one side of the feed bin 6 and connected to the feed bin lower auger 7;

[0042] Among them, one end of the feed inclined auger 8 is connected to the double-axis feed auger 2, and the auger 7 at the lower part of the feed bin and the feed inclined auger 8 circulate the material into the double-axis feed auger 2, and enter the tube bundle main unit 1 through the material inlet c for drying again.

[0043] The structural principle or working principle of the tube bundle dryer of this structure:

[0044] Please review Figures 1 to 7 :

[0045] Working mode 1: hot steam enters the heating tube bundle f in the tube bundle main unit 1 through the steam inlet a, and the condensed water after drying and heat exchange is discharged from the condensed water outlet b. The material is added to the feed bin 6, and enters the tube bundle main unit 1 through the material inlet c through the double-axis feeding auger 2. After drying, the material is discharged through the material outlet d through the feeding positive pressure fan 9 and the air inlet 91. The rotary dust collector shut-off fan 11 performs adsorption operation through the cyclone dust collector 10, the air collecting hood 3A, and the exhaust gas and dust outlet e.

[0046] Working mode 2:

[0047] First, hot steam enters the heating tube bundle f in the tube bundle main unit 1 through the steam inlet a, and the condensed water after drying and heat exchange is discharged from the condensed water outlet b. The material is added to the feed bin 6, and enters the tube bundle main unit 1 through the material inlet c through the double-axis feed auger 2. After drying, the material is discharged through the material outlet d through the feeding positive pressure fan 9 and the air inlet 91, and then circulated to the feed bin 6 through the discharging auger 3, the discharging shut-off fan 5, and the return auger 4, and enters the tube bundle main unit 1 again through the material inlet c. Finally, the rotary dust collector shut-off fan 11 is started to perform adsorption operation through the cyclone dust collector 10, the air collecting hood 3A, and the exhaust gas and dust outlet e.

[0048] At the same time, the lower auger 7 of the feed bin and the inclined feed auger 8 circulate the material into the double-shaft feed auger 2, and enter the tube bundle main unit 1 through the material inlet c for drying again.

[0049] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0050] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. Tube bundle dryer, characterized in that: It includes a main unit (1), The two ends of the tube bundle main unit (1) are provided with a steam inlet (a) and a condensate outlet (b). The tube bundle main unit (1) is provided with a heating tube bundle (f) connected to the steam inlet (a) and the condensate outlet (b) respectively. The end surface of the tube bundle main unit (1) is provided with a material outlet (d) on one side of the steam inlet (a). The other end surface of the tube bundle main unit (1) is provided with a material inlet (c). A feed bin (6) is provided on one side of the tube bundle main unit (1). The material inlet (c) and the feed bin (6) are connected via a double-shaft feed auger (2). A discharging auger (3) is provided at one end of the material outlet (d). A discharge fan (5) is provided at one end of the discharge auger (3). The discharge air shut-off fan (5) is provided with a return auger (4). The discharge port of the return auger (4) is located above the feed bin (6). The upper side wall of the tube bundle main unit (1) is provided with an air inlet (91). A feeding positive pressure fan (9) connected to an air inlet (91) is provided on one side of the tube bundle main unit (1). The tube bundle main unit (1) is provided with an exhaust gas and dust outlet (e) on one side of the material inlet (c). The exhaust gas and dust outlet (e) is provided with an air collecting hood (3A). The gas collecting hood (3A) is provided with a cyclone dust collector (10). A rotary dust collector fan (11) is provided at one end of the cyclone dust collector (10).

2. The tube bundle dryer according to claim 1, characterized in that: The tube bundle main unit (1) comprises a skid-mounted base (7A), an upper shell (1A) and a lower shell (2A) arranged on the skid-mounted base (7A) and used in conjunction with each other, a bearing support (8A) arranged on the skid-mounted base (7A) and located on the outer walls of both ends of the upper shell (1A), a shovel rotor (9A) located in the structure of the upper shell (1A) and the lower shell (2A) and connected to the bearing support (8A) at both ends, a motor (5A) and a reducer (6A) arranged on one end surface of the skid-mounted base (7A) and used in conjunction with each other, and a transmission gear (4A) arranged on one end surface of the skid-mounted base (7A) and connected to the shovel rotor (9A); wherein the reducer (6A) is connected to the transmission gear (4A).

3. The tube bundle dryer according to claim 1, characterized in that: The tube bundle dryer further comprises a feed bin lower auger (7) arranged at the bottom of the feed bin (6), and a feed inclined auger (8) arranged at one side of the feed bin (6) and connected to the feed bin lower auger (7).

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