Dust removal type air mixing device
By setting up a hot air bin and a cyclone dust collector in the mixing box of the grain drying equipment, the problems of high energy consumption and serious pollution in the existing equipment are solved, and the effect of reducing energy consumption and pollution is achieved.
Patent Information
- Application Number
- CN202510484136.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2025-06-06
AI Technical Summary
When mixing hot and cold air, existing grain drying equipment leads to high energy consumption, low air mixing efficiency, and produces smoke and exhaust gases and seriously pollute the environment.
A dust removal air mixing device is designed. By setting up a hot air silo in the mixing box and installing a cyclone dust collector in the hot air silo, the input hot air is dust-removed, and the side walls of the hot air silo are used for initial heating to improve the heat mixing efficiency.
It effectively reduces energy consumption, improves the efficiency of mixing air, reduces pollution, and significantly reduces dust emissions through the use of cyclone dust collectors.
Smart Images
Figure CN120101433A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of air mixing, and in particular relates to a dust removal type air mixing device. Background Art
[0002] Grain drying is an important link after grain production and an extremely important condition for safe grain storage. In order to reduce field losses and ensure quality, it is generally required to "harvest at the right time", but most of the grain harvested at this time has a high moisture content and is inconvenient to store. Therefore, the existing grain storage process requires the grain to be dried.
[0003] General grain drying equipment refers to a hot air drying box, which uses coal, oil or wood as a combustion material for heating. It can generate a large amount of hot air in a short time. It can kill insect eggs through high temperature treatment and completely solve the problem of grain drying. However, in existing grain drying equipment, a large amount of smoke and exhaust gas will be generated, which has a high degree of environmental pollution. The hot air supplied to the air mixing chamber needs to be mixed with the cold air outside to avoid the situation where the temperature is too high and the grain shells burst. However, when the low-temperature cold air is mixed with the hot air, the low temperature requires a higher hot air to mix. This results in higher heat energy consumption, and the time it takes for the mixture to reach the target temperature is longer. The overall air mixing efficiency is low and the cost is also high. Summary of the invention
[0004] The purpose of the present invention is to provide a dust removal type air mixing device to solve the above-mentioned problems existing in the prior art.
[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A dust removal type air mixing device comprises a mixing box, a left side wall of the mixing box is provided with a hot air inlet, a right side wall of the mixing box is provided with an air outlet, the hot air inlet is connected to the smoke exhaust port of the boiler, a plurality of groups of cold air inlets are provided on the front side wall and the rear side wall of the mixing box, and a mixing chamber is hollowly provided inside the mixing box; a smoke exhaust bin is provided on the top of the mixing chamber, a dust collecting bin is provided on the bottom of the mixing chamber, a hot air bin is provided between the smoke exhaust bin and the dust collecting bin, and a plurality of groups of cyclone dust collectors are provided in the hot air bin; an opening end of the hot air bin is connected to the hot air inlet, the dust inlet of the cyclone dust collector is connected to the internal space of the hot air bin, the top outlet of the cyclone dust collector is connected to the smoke exhaust bin, and the bottom outlet of the cyclone dust collector is connected to the dust collecting bin.
[0006] The working process and principle of the above structure are as follows: The hot air inlet is connected to the smoke exhaust port of the boiler, so that the smoke generated by the combustion of biomass in the boiler directly enters the hot air bin from the hot air inlet. Since the hot air bin is equipped with a cyclone dust collector, the input smoke can be dusted and then transported to the smoke exhaust bin from the top outlet of the hot air bin, and then transported to the grain drying room. At the same time, due to the thermal conductivity of the side wall of the hot air bin, the cold air entering the mixing box from the cold air inlet can absorb heat for initial heating, and then be discharged through the air outlet of the mixing box, and then enter the grain drying room, so as to adjust the overall wind temperature in the grain drying room, which can effectively reduce energy consumption and improve the mixing efficiency. The bottom outlet of the cyclone dust collector is connected to a dust collecting bin, which can effectively collect dust, facilitate cleaning, and effectively reduce pollution.
[0007] Furthermore, the bottom outlet of the cyclone dust collector passes through the bottom of the hot air bin and is connected to the smoke exhaust bin, and the top outlet of the cyclone dust collector passes through the top of the hot air bin and is connected to the smoke exhaust bin.
[0008] The working process and principle of the above structure are as follows: The top outlets of the multiple cyclone dust collectors are all connected to the smoke exhaust bin, and an opening can be opened at the bottom of the smoke exhaust bin to preliminarily mix the hot air after dust removal by the cyclone dust collector with the cold air entering from the cold air inlet.
[0009] Furthermore, the side wall of the dust collecting bin is provided with a plurality of dust outlets.
[0010] The working process and principle of the above structure are as follows: The ash outlet is convenient for cleaning the dust accumulated in the dust collecting bin.
[0011] Furthermore, at least two rows of multiple groups of cyclone dust collectors are symmetrically or staggeredly arranged inside the hot air bin.
[0012] The working process and principle of the above structure are as follows: Increasing the number of cyclone dust collectors can improve the dust removal effect.
[0013] Furthermore, a gap is provided between the outer wall of the hot air bin and the inner wall of the mixing chamber.
[0014] The working process and principle of the above structure are as follows: The gap between the hot air bin and the inner wall of the mixing chamber can increase the heat absorption area of the low-temperature cold air entering from the cold air inlet, thereby improving the heat exchange efficiency.
[0015] Beneficial effects: The present invention arranges a hot air bin in the mixing box to perform dust removal on the hot air input from the boiler to improve environmental protection and energy efficiency. At the same time, it utilizes the heat conduction of the side wall of the hot air bin to perform initial heat exchange on the low-temperature cold air, effectively improving the mixing heat efficiency. The overall structure is simple and reasonable, and is easy to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a perspective structural schematic diagram of the dust removal type air mixing device of the present invention; Figure 2 It is a schematic diagram of the wind conveying principle structure of the dust removal type air mixing device of the present invention, wherein the arrow indicates the flow path of the hot air discharged from the boiler.
[0017] Figure numerals: 1. mixing box; 2. hot air inlet; 3. air outlet; 4. cold air inlet; 5. mixing chamber; 6. smoke exhaust bin; 7. dust collecting bin; 8. hot air bin; 9. cyclone dust collector; 10. dust inlet; 11. ash outlet. DETAILED DESCRIPTION
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the present invention will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.
[0019] Example: like Figure 1 As shown, this embodiment provides a dust-removing air mixing device, including a mixing box 1, a left side wall of the mixing box 1 is provided with a hot air inlet 2, a right side wall of the mixing box 1 is provided with an air outlet 3, the hot air inlet 2 is connected to the smoke exhaust port of the boiler, a plurality of groups of cold air inlets 4 are provided on the front side wall and the rear side wall of the mixing box 1, and a mixing chamber 5 is hollowly provided inside the mixing box 1; a smoke exhaust bin 6 is provided on the top of the mixing chamber 5, a dust collecting bin 7 is provided at the bottom of the mixing chamber 5, a hot air bin 8 is provided between the smoke exhaust bin 6 and the dust collecting bin 7, and a plurality of groups of cyclone dust collectors 9 are provided in the hot air bin 8; the opening end of the hot air bin 8 is connected to the hot air inlet 2, the dust inlet 10 of the cyclone dust collector 9 is connected to the internal space of the hot air bin 8, the top outlet of the cyclone dust collector 9 is connected to the smoke exhaust bin 6, and the bottom outlet of the cyclone dust collector 9 is connected to the dust collecting bin 7.
[0020] The working process and principle of the above structure are as follows: like Figure 2As shown, the hot air inlet 2 is connected to the smoke exhaust port of the boiler, so that the smoke generated after the combustion of biomass in the boiler directly enters the hot air bin 8 through the hot air inlet 2. Since the hot air bin 8 is provided with a cyclone dust collector 9, the input smoke can be dusted and then transported to the smoke exhaust bin 6 through the top outlet of the hot air bin 8, and then transported to the grain drying room. At the same time, due to the thermal conductivity of the side wall of the hot air bin 8, the cold air entering the mixing box 1 through the cold air inlet 4 can absorb heat for initial heating, and then be discharged through the air outlet 3 of the mixing box 1, and then enter the grain drying room, so as to adjust the overall wind temperature in the grain drying room, which can effectively reduce energy consumption and improve the mixing efficiency. In the above embodiment, the bottom outlet of the cyclone dust collector 9 is connected to the dust collecting bin 7, which can effectively collect dust, facilitate cleaning, and effectively reduce pollution. The side wall of the dust collecting bin 7 is provided with multiple groups of ash outlets 11, which are convenient for cleaning the accumulated dust in the dust collecting bin 7.
[0021] In the actual production process, at least two rows of symmetrical or staggered multiple groups of cyclone dust collectors 9 are arranged inside the hot air bin 8. Increasing the number of cyclone dust collectors 9 can improve the dust removal effect.
[0022] In another embodiment of the present invention, Figure 1 As shown, the bottom outlet of the cyclone dust collector 9 passes through the bottom of the hot air bin 8 and is connected to the smoke exhaust bin 6 , and the top outlet of the cyclone dust collector 9 passes through the top of the hot air bin 8 and is connected to the smoke exhaust bin 6 .
[0023] The working process and principle of the above structure are as follows: The top outlets of the multiple cyclone dust collectors 9 are all connected to the smoke exhaust bin 6 , and an opening can be opened at the bottom of the smoke exhaust bin 6 to preliminarily mix the hot air after dust removal by the cyclone dust collector 9 with the cold air entering from the cold air inlet 4 .
[0024] In another embodiment of the present invention, Figure 1 As shown, a gap is provided between the outer wall of the hot air bin 8 and the inner wall of the mixing chamber 5 .
[0025] The working process and principle of the above structure are as follows: The gap between the hot air bin 8 and the inner wall of the mixing chamber 5 can increase the heat absorption area of the low-temperature cold air entering through the cold air inlet 4, thereby improving the heat exchange efficiency.
[0026] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A dust removal type air mixing device, comprising a mixing box, a hot air inlet is arranged on the left wall of the mixing box, an air outlet is arranged on the right wall of the mixing box, the hot air inlet is connected to the smoke exhaust port of the boiler, characterized in that: A plurality of cold air inlets are arranged on the front side wall and the rear side wall of the mixing box, and a mixing chamber is arranged in a hollow interior of the mixing box; A smoke exhaust bin is disposed on the top of the mixing chamber, a dust collecting bin is disposed on the bottom of the mixing chamber, a hot air bin is disposed between the smoke exhaust bin and the dust collecting bin, and a plurality of cyclone dust collectors are disposed in the hot air bin; The open end of the hot air bin is connected to the hot air inlet, the dust inlet of the cyclone dust collector is connected to the internal space of the hot air bin, the top outlet of the cyclone dust collector is connected to the smoke exhaust bin, and the bottom outlet of the cyclone dust collector is connected to the dust collecting bin.
2. The dust removal type air mixing device according to claim 1, characterized in that: The bottom outlet of the cyclone dust collector passes through the bottom of the hot air bin and is connected to the smoke exhaust bin, and the top outlet of the cyclone dust collector passes through the top of the hot air bin and is connected to the smoke exhaust bin.
3. The dust removal type air mixing device according to any one of claims 1 or 2, characterized in that: The side wall of the dust collecting bin is provided with a plurality of dust outlets.
4. The dust removal type air mixing device according to any one of claims 1 or 2, characterized in that: At least two rows of multiple groups of cyclone dust collectors are arranged symmetrically or staggeredly inside the hot air bin.
5. The dust removal type air mixing device according to any one of claims 1 or 2, characterized in that: A gap is provided between the outer wall of the hot air bin and the inner wall of the mixing chamber.