Drying device for coal gangue hollow brick production
By using a metal drying box with sealed inlet and outlet in the production of hollow coal gangue bricks, combined with insulation materials and hot air channel design, the problem of heat loss in the drying chamber was solved, achieving uniform heat conduction and effective moisture removal, thus improving the drying effect and the quality of the brick blanks.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEILONGJIANG HONGXINGLONG NONGKEN BEIXING NEW BUILDING MATERIALS CO LTD
- Filing Date
- 2025-05-19
- Publication Date
- 2026-04-10
AI Technical Summary
During the production of hollow bricks from coal gangue, heat is lost inside the drying chamber as the brick blanks are removed from and reinserted into the kiln, resulting in waste and affecting structural strength.
Design a drying device including a metal drying box. By sliding the inlet and outlet to the front side wall of the kiln chamber, the inlet and outlet are sealed by the vertical side wall of the metal drying box. Combined with the design of insulation materials and hot air channels, uniform heat conduction and effective moisture discharge can be achieved.
This effectively prevents heat loss, improves drying efficiency, ensures the insulation of the drying chamber and uniform heat transfer, reduces moisture accumulation, and enhances the drying quality of the brick blanks.
Smart Images

Figure CN224108499U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hollow brick production technical field, and the specific field is a drying device for coal gangue hollow brick production. BACKGROUND
[0002] Coal gangue hollow brick is made of coal gangue as main raw material through crushing, grinding, forming, drying and baking process. It has the advantages of high hollow rate, light weight, good heat preservation and insulation performance, high strength and is an ideal wall material to replace solid clay brick, which is widely used in the construction industry.
[0003] In the production process of coal gangue hollow brick, drying is a key link. The just formed brick contains a high moisture content, if directly into the kiln for baking, the moisture evaporation will cause the brick to crack, deformation and other defects, which seriously affect the product quality. Through drying treatment, the moisture content of the brick can be reduced to the appropriate range, the strength and stability of the brick are improved, and good conditions are created for the subsequent baking process.
[0004] The prior art uses the hot gas generated by the stove as a heat source, and the hot gas is introduced into the drying chamber through a pipeline for drying, but in the process of the brick entering and leaving the kiln, the heat inside the drying chamber is lost, which not only causes waste but also affects the structural strength of the drying chamber. UTILITY MODEL CONTENTS
[0005] The utility model discloses a drying device for coal gangue hollow brick production to solve the technical problem of heat loss inside the drying chamber in the process of the brick entering and leaving the kiln, which causes waste and affects the structural strength of the drying chamber.
[0006] To achieve the above object, the utility model provides the following technical scheme: a drying device for coal gangue hollow brick production, which comprises: a kiln chamber, a high-temperature gas inlet pipe and an exhaust pipe are communicated with the kiln chamber, a heat source, a dehumidifier and a gas pump are communicated between the high-temperature gas inlet pipe and the exhaust pipe, a slide rail is connected to the bottom of the kiln chamber, a metal drying box is slidably connected to the slide rail, the metal drying box is a rectangular frame body, the metal drying box is slidably connected to the inlet and outlet of the front side wall of the kiln chamber, the two vertical side walls of the metal drying box can close the kiln chamber when they are located in the inlet and outlet, and heat preservation material is arranged in the two vertical side walls of the metal drying box.
[0007] Preferably, the metal drying box is connected to the winch through a steel rope.
[0008] Preferably, the metal drying box comprises a frame body, the frame body is covered by a metal plate when it is completely located in the kiln chamber, the metal plate is connected to the kiln chamber, an air inlet is formed in the upper part of the frame body, the lower part of the frame body is connected to a fixed pipe through a slide pipe, the fixed pipe is connected to the kiln chamber, and all the fixed pipes are connected to the exhaust pipe.
[0009] Preferably, the inner wall of the frame body is connected with a supporting plate, the supporting plate is left with a gap from the inner wall of one side of the frame body, the gap is staggered arranged on both sides of the frame body, hot air travels along the gap to form a wave-shaped channel, the air inlet is located at the starting end of the channel, and the sliding pipe is located at the end of the channel.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] 1、Brick kiln, pull out the metal drying box, the metal drying box one side vertical side wall blockage import and export, avoid internal heat loss, brick kiln, push in the metal drying box, the metal drying box the other side vertical side wall blockage import and export, avoid internal heat loss, so realize the dry room heat preservation of in and out of brick, and the metal drying box will heat more evenly conduction to the brick, drying effect is better.
[0012] 2、Through both sides metal plate will metal drying box airtight, heat conduction is more uniform, at the same time, the internal moisture is directly discharged through the exhaust pipe, and the moisture will not accumulate in the kiln dead angle, affecting the internal temperature uniformity. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 Structure diagram of the utility model Figure 1 ;
[0014] Figure 2 Structure diagram of the utility model Figure 2 .
[0015] In the drawing: kiln room 1;High temperature air inlet pipe 2;Exhaust pipe 3;Slide rail 4;Metal drying box 5;Frame body 51;Metal plate 52;Air inlet 53;Sliding pipe 54;Fixed pipe 55;Supporting plate 56;Kiln room front side wall 6;Import and export 7;Steel rope 8. DETAILED DESCRIPTION
[0016] 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0017] The rotating connection in the device refers to the fixing of the bearing in the axial direction by clamping the elastic retainer in the retainer groove on the shaft or shaft hole, so as to realize rotation. The hinging refers to the connecting mode of the connecting parts such as hinges, pins and short shafts.
[0018] The utility model will be described in detail below with reference to the drawings.
[0019] The drawings will be described below Figures 1-2 The present embodiment relates to a drying device for producing coal gangue hollow bricks, which comprises a kiln chamber 1, a high-temperature air inlet pipe 2 and an exhaust pipe 3 communicated with the kiln chamber 1, a heat source, a dehumidifier and an air pump communicated between the high-temperature air inlet pipe 2 and the exhaust pipe 3, a slide rail 4 connected to the bottom of the kiln chamber 1, a metal drying box 5 slidably connected to the slide rail 4, the metal drying box 5 being a rectangular frame body, the metal drying box 5 being slidably connected to an inlet and outlet 7 of a front side wall 6 of the kiln chamber 1, the two vertical side walls of the metal drying box 5 being capable of closing the kiln chamber 1 when located in the inlet and outlet 7, and heat insulation material being arranged in the two vertical side walls of the metal drying box 5.
[0020] When the brick billets are taken out of the kiln, the metal drying box 5 is pulled out, and one side of the vertical side wall of the metal drying box 5 blocks the inlet and outlet 7. Since the heat insulation material is arranged in the two vertical side walls of the metal drying box 5, the internal heat loss is avoided. When the bricks are put into the kiln, the metal drying box 5 is pushed in, and the other side of the vertical side wall of the metal drying box 5 blocks the inlet and outlet 7, so as to avoid the internal heat loss. In this way, the drying chamber for the bricks is heat-insulated. The high-temperature gas is injected through the high-temperature air inlet pipe 2, and the water vapor is discharged through the exhaust pipe 3. The heat is more uniformly conducted into the brick billets by the metal drying box 5, and the drying effect is better.
[0021] The metal drying box 5 is connected to a winch through a steel rope 8.
[0022] The winch pulls out the metal drying box 5 through the steel rope 8, and pushes the metal drying box 5 into the kiln when the bricks are put into the kiln.
[0023] The metal drying box 5 comprises a frame body 51, the two sides of the frame body 51 being covered by metal plates 52 when the frame body 51 is completely located in the kiln chamber 1, the metal plates 52 being connected to the kiln chamber 1, an air inlet 53 being formed in the upper part of the frame body 51, and the lower part of the frame body 51 being connected to fixed pipes 55 through slide pipes 54, the fixed pipes 55 being connected to the kiln chamber 1, and all the fixed pipes 55 being communicated with the exhaust pipe 3.
[0024] Since the two sides of the frame body 51 are covered by the metal plates 52 when the frame body 51 is completely located in the kiln chamber 1, the metal drying box 5 becomes a sealed container, the heat conduction is more uniform, the high-temperature gas enters through the upper air inlet 53, and is discharged to the exhaust pipe 3 through the lower fixed pipes 55, so as to take away the internal moisture, and prevent the moisture from accumulating in the dead corners of the kiln chamber 1, thereby affecting the uniformity of the internal temperature.
[0025] A supporting plate 56 is connected to the inner wall of the frame body 51, the supporting plate 56 leaving a gap with the inner wall of one side of the frame body 51, the gaps being staggered arranged on the two sides of the frame body 51, the hot gas passing along the gaps to form a wave-shaped channel, the air inlet 53 being located at the starting end of the channel, and the slide pipe 54 being located at the end of the channel.
[0026] High temperature gas through the upper air inlet 53 into, along the support plate 56 formed by the wave-shaped channel, travel, will all water gas, no dead angle of siltation, drying effect is better.
[0027] In the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0028] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection mode in the prior art, which will not be described in detail here.
[0029] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A drying device for coal gangue hollow brick production, comprising: The kiln chamber (1) is connected with a high-temperature air inlet pipe (2) and an exhaust pipe (3), and a heat source, a dehumidifier and a gas pump are communicated between the high-temperature air inlet pipe (2) and the exhaust pipe (3), The kiln chamber (1) is connected with a high-temperature air inlet pipe (2) and an exhaust pipe (3), and a heat source, a dehumidifier and a gas pump are communicated between the high-temperature air inlet pipe (2) and the exhaust pipe (3), 2. The drying device for producing coal gangue hollow bricks according to claim 1, characterized in that: The metal drying box (5) is connected with a winch through a steel rope (8).
3. The drying device for producing coal gangue hollow bricks according to claim 1, characterized in that: The metal drying box (5) includes a frame body (51), both sides of which are covered by metal plates (52) when the frame body (51) is completely located inside the kiln chamber (1), the metal plates (52) are connected to the kiln chamber (1), an air inlet (53) is formed in the upper part of the frame body (51), the lower part of the frame body (51) is connected with fixed pipes (55) through sliding pipes (54), the fixed pipes (55) are connected to the kiln chamber (1), and all the fixed pipes (55) are communicated with the exhaust pipe (3).
4. The drying device for producing coal gangue hollow bricks according to claim 3, characterized in that: The inner wall of the frame body (51) is connected with supporting plates (56), the supporting plates (56) are spaced from the inner wall of one side of the frame body (51), the gaps are staggered on both sides of the frame body (51), hot air travels along the gaps to form a wave-shaped channel, the air inlet (53) is located at the starting end of the channel, and the sliding pipes (54) are located at the end of the channel.