A drum type dry-mix mortar dryer

By designing a drum-type dry-mixed mortar dryer, using a closed structure and hot air passage, the problems of hot air loss and uneven mortar drying caused by the conveyor belt structure are solved, and high-efficiency mortar drying and product quality are achieved.

CN222703703UActive Publication Date: 2025-04-01FUJIAN HEDONG NEW BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202420346463.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-26
Publication Date
2025-04-01
Estimated Expiration
2034-02-26

AI Technical Summary

Technical Problem

The existing mortar drying equipment adopts a conveyor belt structure, which leads to serious heat air loss and large energy consumption. The mortar is prone to spilling and the drying degree is uneven, which affects product quality.

Method used

A drum-type dry-mixed mortar dryer is designed, adopting a closed structure and hot air passage, combining an electric blower and a rotary drying drum to ensure the effective utilization of hot air and uniform drying of mortar.

Benefits of technology

It achieves the improvement of heat utilization efficiency, saves energy consumption, prevents mortar from spilling, and ensures uniform drying of mortar and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model patent discloses a drum-type dry-mixed mortar dryer, including: a bottom plate, a feed drum, a drying drum, a driving mechanism, a discharge drum, an electric blower, and a control box. The feed drum is provided with a feed port and a water vapor discharge hole. The feed drum is provided with a discharge port. The discharge drum is connected to the electric blower through a hot air duct, the drying drum is provided with an outer gear ring, a threaded partition is provided inside the drying drum, the drying drum is connected to the feed drum and the discharge drum through two ball bearings, the output end of the driving mechanism is connected with a driving gear, and the outer gear ring and the driving mechanism are meshed and driven by the driving gear. The drum-type dry-mixed mortar dryer adopts a closed structure, has a reasonably structured hot air channel, has high heat utilization efficiency, saves a lot of energy consumption, and adopts a closed structure to maintain the cleanliness and safety of the production workshop. The rotatable drying drum provided with a spiral partition can fully lift the mortar, so that the mortar is fully dried in the hot air, and the mortar humidity is ensured to be uniform.
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Description

Technical Field

[0001] The utility model belongs to the field of drying equipment, in particular to a drum structure drying machine used for dry-mix mortar production. Background Art

[0002] Premixed mortar refers to various mortar mixtures produced by specialized manufacturers and used in construction projects. It is a new type of building material developed in my country in recent years. Premixed mortar can be divided into two categories: dry-mixed mortar and wet-mixed mortar according to different production methods. The finished product of wet-mixed mortar has a short storage time of no more than 24 hours and must be used within the specified time, otherwise it will solidify and harden and cannot be used. The finished product of dry-mixed mortar has a long storage time and can be mixed at the construction site as needed. It is flexible to use without waste and is convenient for construction and use in various production environments.

[0003] Dry-mixed mortar is produced by special mixing equipment, and its front-end raw materials need to be dried. Existing dry-mixed mortar drying equipment mostly adopts a conveyor belt structure, for example, the patent number is CN210892584U, and the name is a constant temperature drying equipment for producing mortar. Its specific content is: provide the following technical scheme, a constant temperature drying equipment for producing mortar, including a support foot, a support column and a support foot frame, the upper end of the support foot is fixedly connected to the No. 1 conveyor belt, the left end of the No. 1 conveyor belt is movably connected to the No. 1 pulley, the No. 1 motor is fixedly arranged inside the No. 1 pulley, the right end of the No. 1 conveyor belt is movably connected to the No. 2 pulley, the left side of the support foot frame is fixedly arranged with the No. 3 pulley, and the No. 2 motor is arranged inside the No. 3 pulley. This is suitable for a constant temperature drying equipment for producing mortar, through a temperature sensor and a controller as well as an electric heating resistor, a No. 1 fan, a screw and a motor, so as to achieve the upper and lower adjustment of the outlet housing to dry the mortar.

[0004] The above-mentioned mortar drying equipment adopts an open structure, and the hot air loss is serious during drying, the energy consumption is large, and the mortar is easily spilled when transported by the conveyor belt. The mortar accumulates on the conveyor belt, and the mortar accumulated below cannot evaporate water, resulting in uneven mortar drying, affecting product quality. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model aims to provide a drum type dry-mix mortar drying machine to solve the problems of unreasonable structure of current mortar drying equipment, serious loss of hot air during drying, large energy consumption, easy spillage of mortar when transported by conveyor belt, accumulation of mortar on the conveyor belt, inability to evaporate water from the mortar accumulated below, resulting in uneven drying of the mortar and affecting product quality. (II) Utility Model Content

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0009] A drum type dry-mix mortar drying machine comprises: a bottom plate, a feeding drum, a drying drum, a driving mechanism, a discharging drum, an electric heating blower and a control box.

[0010] As a preferred embodiment, the driving mechanism is a variable frequency motor, and the central axes of the feed cylinder, drying drum, driving mechanism and discharge cylinder are all inclined downward.

[0011] The feed barrel is fixed on the bottom plate, the feed barrel has a hemispherical sealing plate, the feed barrel is provided with a feed port and a water vapor discharge hole, the feed port is provided with a first electric butterfly valve, the feed port is provided with a feed hose, the feed hose is provided with a vibrating feeder, the water vapor discharge hole is provided with a filter, the discharge barrel is fixed on the bottom plate, the discharge barrel has a spherical outer shell, and the discharge barrel is provided with a discharge port.

[0012] As a preferred embodiment, the discharge port opens downward.

[0013] The discharge port is provided with a second electric butterfly valve, the discharge barrel is connected to the electric blower through a hot air duct, and the hot air duct is provided with a filter.

[0014] As a preferred implementation, the opening height of the hot air duct is higher than the discharge port.

[0015] As a preferred embodiment, the electric blower has a cylindrical chamber, and the electric blower is sequentially provided with an air inlet, a turbofan, and an electric heating coil. The turbofan can suck air into the cylindrical chamber and fully heat it by the electric heating coil. An air intake protection net is embedded in the air inlet, and a neodymium iron boron magnet is arranged around the air intake protection net. The air intake protection net can be magnetically adsorbed to the air inlet, and is firmly installed and easy to maintain.

[0016] The drying drum is provided with an outer gear ring, a threaded partition is provided inside the drying drum, the drying drum is connected to the feed drum and the discharge drum through two ball bearings, the output end of the driving mechanism is connected to a driving gear, and the outer gear ring is meshed with the driving mechanism through the driving gear.

[0017] The driving mechanism and the electric heating blower are electrically connected to the control box, and the control box controls the start, stop and power.

[0018] (III) Beneficial effects

[0019] The utility model provides a drum-type dry-mix mortar dryer, which adopts a closed structure and has a hot air channel with a reasonable structure. The heat utilization efficiency is high and a large amount of energy consumption is saved. The closed structure prevents the mortar from spilling during the drying process, thereby maintaining the cleanliness and safety of the production workshop. The rotatable drying drum with a spiral partition can fully lift the mortar, so that the mortar is fully dried in the hot air, thereby ensuring the uniformity of the mortar humidity and the factory quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are 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.

[0021] Figure 1 This is a structural schematic diagram of a drum-type dry-mix mortar dryer of the utility model;

[0022] Figure 2 This is a front view structural diagram of a drum-type dry-mix mortar dryer of the utility model;

[0023] Figure 3 This is a schematic diagram of the internal structure of a drum-type dry-mix mortar dryer of the utility model;

[0024] Figure 4 The utility model is a schematic diagram of the structure of an electric heating blower of a drum-type dry-mix mortar dryer.

[0025] Explanation of the reference numerals in the figure: 1. Bottom plate, 2. Feed barrel, 2-1. Hemispherical sealing plate, 2-2. Feed port, 2-3. Water vapor discharge hole, 2-4. Feed hose. 2-5. Vibrating feeder. 2-6. Filter. 2-7. First electric butterfly valve, 3. Drying drum, 3-1. Outer gear ring, 3-2. Spiral partition, 3.3. Ball bearing, 4. Driving mechanism, 4-1. Driving gear, 5. Discharging barrel, 5-1. Spherical shell, 5-2 Discharging port, 5-3. Second electric butterfly valve, 5-4. Hot air duct, 5-5. Filter, 6. Electric blower, 6-1. Air inlet, 6-2. Turbofan fan, 6-3. Electric heating coil, 6-4 Inhalation protection net, 6-5. NdFeB magnet, 7. Control box. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of 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.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1 , Figure 2 , Figure 3 As shown, an embodiment of the utility model is: a drum type dry-mix mortar drying machine, characterized in that: it includes a base plate 1, a feed drum 2, a drying drum 3, a driving mechanism 4, a discharge drum 5, an electric blower 6, and a control box 7, wherein the feed drum 2 is fixed on the base plate 1, the feed drum 2 has a hemispherical sealing plate 2-1, the feed drum 2 is provided with a feed port 2-2 and a water vapor discharge hole 2-3, the feed port 2-2 is provided with a first electric butterfly valve 2-7, the feed port 2-2 is provided with a feed hose 2-4, the feed hose 2-4 is provided with a vibrating feeder 2-5, the water vapor discharge hole 2-3 is provided with a filter screen 2-6, the discharge drum 5 is fixed on the base plate 1, the discharge drum 5 has a spherical shell 5-1, the feed drum 5 is provided with a discharge port 5-2, the discharge port 5-2 A second electric butterfly valve 5-3 is provided, the discharge barrel 5 is connected to the electric blower 6 through a hot air duct 5-4, the hot air duct is provided with a filter 5-5, the drying drum 3 is provided with an outer gear ring 3-1, and a threaded partition 3-2 is provided inside the drying drum 3. The spiral partition 3-2 can fully lift the mortar so that the mortar can be fully dried in the hot air, thereby ensuring the uniform humidity of the mortar. The drying drum 3 is connected to the feed barrel 2 and the discharge barrel 5 through two ball bearings 3-3, and the output end of the driving mechanism 4 is connected to a driving gear 4-1, and the outer gear ring 3-1 is meshed with the driving mechanism 4 through the driving gear 4-1. The driving mechanism 4 can drive the drying drum 3 to rotate, and the rotation direction should be consistent with the spiral partition 3-2, so that the mortar moves toward the discharge barrel 5.

[0029] Furthermore, the central axes of the feed barrel 2, drying drum 3, drive mechanism 4, and discharge barrel 5 are all inclined downward, and the drive mechanism is a variable frequency motor. The mortar can move from the feed barrel 2 to the discharge barrel 5 via the drying drum 3 under the action of gravity to avoid accumulation.

[0030] Furthermore, the feed port 2-2 and the water vapor discharge hole 2-3 open upward, which is beneficial to the feeding of mortar and convenient for the discharge of evaporated water vapor.

[0031] Furthermore, the discharge port 5-2 opens downward, and the dried mortar can be gathered at the bottom of the spherical shell 5-1 for centralized discharge.

[0032] Furthermore, the opening height of the hot air duct 5-3 is higher than the discharge port 5-2, so as to prevent mortar from entering the hot air duct and affecting the operation of the electric blower.

[0033] like Figure 4 As shown, the electric blower 6 has a cylindrical chamber, and the electric blower 6 is provided with an air inlet 6-1, a turbofan 6-2, and an electric heating coil 6-3 in sequence. An air intake protection net 6-4 is embedded and installed on the air inlet 6-1, and a neodymium iron boron magnet 6-5 is provided around the air intake protection net 6-4. The turbofan 6-2 can inhale air into the cylindrical chamber to be fully heated by the electric heating coil 6-3. The air intake protection net 6-1 can be magnetically adsorbed to the air inlet 6-1, and is firmly installed and easy to maintain.

[0034] The driving mechanism 4, the electric blower 6, the first electric butterfly valve 2-7, and the second electric butterfly valve 5-3 are all electrically connected to the control box 7, and the control box 7 controls the start and stop and power.

[0035] This solution has the following working process: start the control box 7, and the control box 7 controls the start and stop and power of the driving mechanism 4 and the electric blower 6 according to the set parameters. After the mortar enters from the feed port 2-2, the first electric butterfly valve 2-7 and the second electric butterfly valve 5-3 are closed. The mortar can be fully lifted and moved to the discharge barrel 5 under the action of the drying drum 3. The electric blower 6 blows in high-flow hot air to fully dry the mortar. The evaporated moisture is discharged through the water vapor discharge hole 2-3. The mortar moves to the discharge barrel 5 and gathers at the bottom of the spherical shell 5-1. The second electric butterfly valve 5-3 is opened, and the mortar is discharged from the discharge port 5-2.

[0036] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A drum type dry-mix mortar dryer, characterized in that: The invention comprises a bottom plate (1), a feed cylinder (2), a drying drum (3), a driving mechanism (4), a discharge cylinder (5), an electric heating blower (6), and a control box (7). The feed cylinder (2) is fixed on the bottom plate (1). The feed cylinder (2) has a hemispherical sealing plate (2-1). The feed cylinder (2) is provided with a feed port (2-2) and a water vapor discharge hole (2-3). The feed port (2-2) is provided with a first electric butterfly valve (2-7). The feed port (2-2) is provided with a feed hose (2-4). The feed hose (2-4) is provided with a vibrating discharger (2-5). The water vapor discharge hole (2-3) is provided with a filter screen (2-6). The discharge cylinder (5) is fixed on the bottom plate (1). The discharge cylinder (5) is The invention relates to a spherical outer shell (5-1), wherein the discharge barrel (5) is provided with a discharge port (5-2), wherein the discharge port (5-2) is provided with a second electric butterfly valve (5-3), wherein the discharge barrel (5) is connected to the electric hot blower (6) via a hot air duct (5-4), wherein the hot air duct is provided with a filter (5-5), wherein the drying drum (3) is provided with an outer gear ring (3-1), wherein a threaded partition plate (3-2) is provided inside the drying drum (3), wherein the drying drum (3) is connected to the feed barrel (2) and the discharge barrel (5) via two ball bearings (3-3), wherein the output end of the driving mechanism (4) is connected with a driving gear (4-1), wherein the outer gear ring (3-1) is meshed with the driving mechanism (4) via the driving gear (4-1).

2. A drum type dry-mix mortar dryer according to claim 1, characterized in that: The central axes of the feed cylinder (2), the drying drum (3), the drive mechanism (4) and the discharge cylinder (5) are all inclined downward.

3. The drum type dry-mix mortar drying machine according to claim 1, characterized in that: The feed inlet (2-2) and the water vapor discharge hole (2-3) open upward.

4. The drum type dry-mix mortar drying machine according to claim 1, characterized in that: The discharge port (5-2) opens downward.

5. The drum type dry-mix mortar drying machine according to claim 1, characterized in that: The opening height of the hot air duct (5-4) is higher than the discharge port (5-2).

6. The drum type dry-mix mortar drying machine according to claim 1, characterized in that: The electric heating blower (6) has a cylindrical chamber, and an air inlet (6-1), a turbofan (6-2), and an electric heating coil (6-3) are sequentially arranged inside the electric heating blower (6). An air suction protection net (6-4) is embedded and installed on the air inlet (6-1), and a neodymium iron boron magnet (6-5) is arranged around the air suction protection net (6-4).

Citation Information

Patent Citations

  • Constant-temperature drying equipment for producing mortar

    CN210892584U