Energy-saving hot blast stove for compound fertilizer production

Abstract

The utility model relates to the technical field of hot blast stoves, in particular to an energy-saving hot blast stove for compound fertilizer production, which comprises a stove body, a heat conduction inner container is arranged in the stove body and made of stainless steel materials, and the bottom of the heat conduction inner container is fixedly assembled with the inner wall of the stove body through screws. When comburent needs to be added into the furnace body, the sealing cover can be lifted through the handle to move upwards, so that the built-in barrel used for feeding and waste gas discharging can be opened, then ignited raw materials are fed into the furnace body through the built-in barrel and pass through the heat conduction inner container, then the combustion materials are continuously added, the temperature in the furnace body can be increased, and the combustion materials can be added into the furnace body. The heat conduction inner container is matched with the heat conduction rod, heat transfer can be improved, a power source of the first air blower is switched on, air can be supplied to the space formed by the heat conduction inner container and the furnace body, airflow can be heated and then discharged through the air outlet connector, hot air conveying can be achieved, and therefore during compound fertilizer production, the fertilizer can be dried through hot air.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot blast stove technical field especially relates to a kind of energy-saving hot blast stove for compound fertilizer production. BACKGROUND

[0002] Energy-saving hot blast stove for compound fertilizer production is a kind of energy-saving equipment for providing hot blast in the production process of compound fertilizer. In the production process of compound fertilizer, raw materials need to be heated, dried and mixed. Energy-saving hot blast stove can provide efficient and stable hot blast to improve production efficiency and product quality.

[0003] Energy-saving hot blast stove is suitable for various types of compound fertilizer production, such as nitrogen fertilizer, phosphorus fertilizer and potassium fertilizer, which can meet the requirements of different production scales and processes.

[0004] In summary, energy-saving hot blast stove for compound fertilizer production plays an important role in the production process of compound fertilizer, providing efficient and stable hot blast to improve production efficiency and product quality, while meeting environmental protection requirements, with good economic and social benefits. For example, the existing technology Chinese patent publication number "CN215176000U" provides an energy-saving hot blast stove, which includes a combustion chamber, a feed inlet is arranged on the outer side of the combustion chamber, a connecting conical cylinder is installed at the top end of the combustion chamber, a central heat collecting pipe and connecting branch pipes a and b are respectively installed between the connecting conical cylinder and the combustion chamber, an axial flow impeller is installed in each cavity through a fixing frame, the bottom ends of the two cavities are respectively connected with the connecting branch pipes a and b, two air guide fans corresponding to the two cavities are installed on the two outer sides of the connecting conical cylinder, a top cylinder is connected to the top end of the connecting conical cylinder, and an air outlet is arranged on the outer side of the top cylinder. In the utility model, the hot air will first be divided, a part of it will be rotated and mixed with cold air by the axial flow impeller, and then gathered in the upper cavity of the connecting conical cylinder, which can reduce the burning consumption of materials and reduce the smoke impurities, has energy-saving effect, good heating effect and convenient use.

[0005] At present, the structure of hot blast stove for compound fertilizer production is not as perfect as some industrial hot blast stoves, which mainly rely on simple ignition form for combustion and continue to add combustion materials such as straw for heating. However, most of these hot blast stoves need to repeatedly remove the waste residue from the feed opening position on one side after combustion, which is relatively troublesome. At the same time, the gas discharge port position of the combustion material will carry a large amount of dust overflow. If it is not properly filtered, it will easily pollute the surrounding environment. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the above-mentioned shortcomings in the prior art and provides an energy-saving hot blast stove for compound fertilizer production.

[0007] In order to achieve the above object, the utility model adopts the following technical scheme:

[0008] The utility model relates to an energy -conserving hot blast furnace for compound fertilizer production, including the furnace body, the inside of furnace body is provided with the heat conduction inner bag, the heat conduction inner bag is made of stainless steel material, the bottom of heat conduction inner bag is fixedly assembled with the inner wall of furnace body through screw, the outer part of heat conduction inner bag is distributed with a plurality of heat conduction rods, and one end of heat conduction rod is welded on the surface of heat conduction inner bag;

[0009] The lower end of one side of the furnace body is provided with an air inlet, and the air inlet is fixedly connected to the furnace body by welding. The outer end of the air inlet is provided with a first air blower. The outer wall of the first air blower is fixedly connected to the outer wall of the furnace body by a support. The air outlet end of the first air blower is flange-connected to the end of the air inlet. The upper end of the other side of the furnace body is provided with an air outlet, and the air outlet is fixedly connected to the furnace body by welding.

[0010] The upper end of the furnace body is covered with a furnace cover. The lower end of the furnace cover is fixedly connected to the port position of the furnace body by a screw. The central position of the furnace cover is provided with an embedded cylinder. The embedded cylinder is fixedly connected to the connection position of the furnace cover by welding. One side of the embedded cylinder is provided with a transition interface. The transition interface is fixedly connected to the connection position of the embedded cylinder by welding. The outer end flange of the transition interface is flange-connected to a filter cylinder.

[0011] The lower end of one side of the furnace body is provided with an air inlet, and the air inlet is fixedly connected to the furnace body by welding. The outer end of the air inlet is provided with a first air blower. The outer wall of the first air blower is fixedly connected to the outer wall of the furnace body by a support. The air outlet end of the first air blower is flange-connected to the end of the air inlet. The upper end of the other side of the furnace body is provided with an air outlet, and the air outlet is fixedly connected to the furnace body by welding.

[0012] The lower end of one side of the furnace body is provided with an air inlet, and the air inlet is fixedly connected to the furnace body by welding. The outer end of the air inlet is provided with a first air blower. The outer wall of the first air blower is fixedly connected to the outer wall of the furnace body by a support. The air outlet end of the first air blower is flange-connected to the end of the air inlet. The upper end of the other side of the furnace body is provided with an air outlet, and the air outlet is fixedly connected to the furnace body by welding.

[0013] In detail, the lower end opening position of the furnace body is covered with a bottom cover. The upper end of the bottom cover is welded and fixed with a center rod.

[0014] In detail, the upper end of the center rod is welded and fixed with a receiving disc. The receiving disc is slidingly sleeved with the inner wall of the furnace body. A plurality of waste holes penetrating the inside of the receiving disc are formed in the receiving disc.

[0015] In detail, the two ends of the bottom cover are respectively provided with a sleeve ring. The surface of the sleeve ring is fixedly connected to the surface of the bottom cover by a support. A threaded column is welded and fixed to the bottom of the furnace body. The threaded column and the sleeve ring are penetratingly arranged.

[0016] In detail, the lower end of the threaded column is threadedly connected with a threaded cap. The upper end of the threaded cap is tightly abutted with the end surface of the sleeve ring.

[0017] In detail, the inner side of the filter cartridge is respectively fixed with filter screen one, filter screen two and filter screen three, filter screen one and filter screen three are made of aluminum alloy screen material, and filter screen two is made of ceramic fiber screen material.

[0018] In detail, the upper end of the furnace cover is provided with a positioning column, the lower end of the positioning column is fixedly assembled with the surface of the furnace cover through a screw, and a sliding sleeve is slidably sleeved on the surface of the positioning column.

[0019] In detail, one end of the sliding sleeve is fixedly provided with a cover through a support, the cover is matched with the built-in cylinder, and the other end of the cover is weldedly fixedly provided with a handle.

[0020] The design scheme of the utility model has the advantages that, in the application process,

[0021] 1. When it is necessary to add combustion materials in the furnace body, the cover can be moved upward through the handle, so that the built-in cylinder for feeding and waste gas discharge can be opened, then the ignited raw materials are sent into the furnace body through the built-in cylinder and the heat-conducting inner shell, and then combustion materials are continuously added, so that the temperature in the furnace body can be increased, the heat transfer can be improved through the cooperation of the heat-conducting inner shell and the heat-conducting rod, the power supply of the air blower one is turned on, so that the air blower one can send air to the space formed by the heat-conducting inner shell and the furnace body, so that the airflow can be heated, then the heated air is discharged through the air outlet, so that hot air conveying can be realized, and the fertilizer can be dried through hot air in the production of compound fertilizer;

[0022] 2. When the combustion materials are continuously and continuously combusted, in order to ensure that the airflow in the heat-conducting inner shell is accelerated and circulated, the airflow can be conveyed through the air blower two, so that the combustion speed of the combustion materials is increased, the combustion materials can be stably combusted on the receiving disc, and when the combustion materials are formed into fragments, the fragments can fall into the inside of the bottom cover through the waste material hole and be collected, when it is necessary to regularly clean the bottom cover, the threaded cap is rotated, so that the threaded cap is threadedly separated from the threaded column, the threaded column and the sleeve ring can be separated, and then the bottom cover and the furnace body can be separated;

[0023] 3. When the airflow of the combustion materials is discharged, the cover is closed with the built-in cylinder, the airflow enters the filter cartridge through the transition interface and is discharged, and the airflow is filtered through the multiple layers of filter screens in the filter cartridge, so that a large amount of dust generated by the combustion materials can be reduced, and the pollution to the surrounding environment is reduced. ACCURACY

[0024] Figure 1 It is a front view of the overall structure of the utility model;

[0025] Figure 2 It is a back view of the overall structure of the utility model;

[0026] Figure 3 It is a schematic view of the internal structure of the utility model;

[0027] Figure 4 It is the distribution schematic view of the heat conducting rod and the waste hole of the utility model;

[0028] Figure 5 It is the internal structure schematic view of the filter cylinder of the utility model.

[0029] In the figure: 1, furnace body; 11, heat conducting inner container; 12, heat conducting rod; 13, air blower one; 14, air inlet; 15, air outlet; 16, furnace cover; 17, built-in cylinder; 18, filter cylinder; 19, air blower two; 110, base; 111, air supply interface; 112, transition interface; 2, bottom cover; 21, center rod; 22, receiving disc; 23, waste hole; 24, threaded column; 25, collar; 26, threaded cap; 3, filter screen one; 31, filter screen two; 32, filter screen three; 4, positioning column; 41, sliding sleeve; 42, cover; 43, handle. DETAILED DESCRIPTION

[0030] 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, not all the embodiments.

[0031] Referring to Figures 1-5 An energy-saving hot blast furnace for compound fertilizer production, comprising a furnace body 1, the inside of the furnace body 1 is provided with a heat conducting inner container 11, the heat conducting inner container 11 is made of stainless steel material, the bottom of the heat conducting inner container 11 is fixedly assembled with the inner wall of the furnace body 1 through screws, the outside of the heat conducting inner container 11 is distributed with a plurality of heat conducting rods 12, one end of the heat conducting rod 12 is welded on the surface of the heat conducting inner container 11;

[0032] The lower end of one side of the furnace body 1 is provided with an air inlet 14, the air inlet 14 is fixedly connected with the connection position of the furnace body 1 through welding, the outer end of the air inlet 14 is provided with an air blower one 13, the outer wall surface of the air blower one 13 is fixedly assembled with the outer wall of the furnace body 1 through a support, the air outlet end of the air blower one 13 is connected with the end flange of the air inlet 14, the upper end of the other side of the furnace body 1 is provided with an air outlet 15, the air outlet 15 is fixedly connected with the connection position of the furnace body 1 through welding;

[0033] The upper end of the furnace body 1 is covered with a furnace cover 16, the lower end of the furnace cover 16 is fixedly assembled with the port position of the furnace body 1 through screws, the central position of the furnace cover 16 is provided with an embedded cylinder 17, the connection position of the embedded cylinder 17 and the furnace cover 16 is fixed by welding, one side of the embedded cylinder 17 is provided with a transition interface 112, the connection position of the transition interface 112 and the embedded cylinder 17 is fixed by welding, the outer end flange of the transition interface 112 is butt-jointed with a filter cylinder 18, the furnace cover 16 will cover the upper end of the heat-conducting inner barrel 11 at the same time, the upper end of the heat-conducting inner barrel 11 is closed, so that the hot air conveying cavity formed between the heat-conducting inner barrel 11 and the furnace body 1 will not appear the situation of burning dust;

[0034] The lower end of the furnace body 1 is provided with an air supply interface 111, the connection position of the air supply interface 111 and the furnace body 1 is fixed by welding, the outer end of the air supply interface 111 is provided with a blower two 19, the outer wall surface of the blower two 19 is fixedly assembled with the surface of the furnace body 1 through a support, the gas outlet end of the blower two 19 is butt-jointed with the end flange of the air supply interface 111;

[0035] The lower end of the furnace body 1 is provided with a base 110, the upper end of the base 110 is fixedly assembled with the lower end surface of the furnace body 1 through a supporting leg.

[0036] It is further explained that the lower end opening position of the furnace body 1 is covered with a bottom cover 2, the upper end of the bottom cover 2 is welded with a center rod 21, the upper end of the center rod 21 extends into the furnace body 1 by a part, which can leave enough space for the air supply of the blower two 19.

[0037] It is further explained that the upper end of the center rod 21 is welded with a receiving disc 22, the receiving disc 22 is slidingly sleeved with the inner wall of the furnace body 1, a plurality of waste holes 23 penetrating through the inside of the receiving disc 22 are formed on the receiving disc 22, when continuously burning, the burning material becomes waste slag and is broken and falls out through the waste holes 23 into the bottom cover 2 for collection.

[0038] It is further explained that the two ends of the bottom cover 2 are respectively provided with a sleeve ring 25, the surface of the sleeve ring 25 is fixedly assembled with the surface of the bottom cover 2 through a support, the bottom of the furnace body 1 is welded with a threaded column 24, the threaded column 24 and the sleeve ring 25 are penetratingly arranged with each other, the sleeve ring 25 and the threaded column 24 are butt-jointed, which can realize the quick positioning of the bottom cover 2 and the furnace body 1, the bottom cover 2 can be quickly disassembled, which can be convenient for the periodic burning waste.

[0039] It is further explained that the lower end of the threaded column 24 is butt-jointed with a threaded cap 26, the upper end of the threaded cap 26 is tightly abutted with the end surface of the sleeve ring 25, the threaded cap 26 and the threaded column 24 are threadedly separated with each other, which can realize the disengaging operation of the sleeve ring 25 and the threaded column 24, so that the bottom cover 2 and the furnace body 1 can be separated.

[0040] Further need to explain that the inner side of filter cartridge 18 is fixed with filter screen one 3, filter screen two 31 and filter screen three 32 respectively, filter screen one 3 and filter screen three 32 are made of aluminum alloy screen material, filter screen two 31 is made of ceramic fiber screen material, the mesh number of filter screen one 3 is 100, the mesh number of filter screen two 31 is 150, the mesh number of filter screen three 32 is 200, through layer by layer filtering, the dust isolation of the combustion waste gas emission can be improved, so that when directly discharged into the air or into the waste gas treatment link, the influence of dust on the surrounding environment and the interference to the waste gas treatment environment can be reduced.

[0041] Further need to explain that the upper end of furnace cover 16 is provided with positioning column 4, the lower end of positioning column 4 is fixedly assembled with the surface of furnace cover 16 through screw, the surface of positioning column 4 is slidably sleeved with sliding sleeve 41, through sliding of sliding sleeve 41 on positioning column 4, when opening sealing cover 42 by holding handle 43, a positioning and up-down moving limiting point can be obtained.

[0042] Further need to explain that one end of sliding sleeve 41 is fixed with sealing cover 42 through support, sealing cover 42 is matched with built-in cylinder 17, the other end of sealing cover 42 is welded with handle 43, the handle 43 outside the opening part of sealing cover 42 is far away from a small part, which can avoid heat conduction caused by overheating of handle 43, so that the handle 43 cannot be normally held.

[0043] Working mode: when it is needed to add combustion material in furnace body 1, handle 43 can lift sealing cover 42 to move upward, so that built-in cylinder 17 for feeding and waste gas discharge can be opened, then the ignited raw material is sent into furnace body 1 through built-in cylinder 17, and passes through heat conducting inner barrel 11, then the combustion material is continuously added, so that the temperature in furnace body 1 can be increased, through cooperation of heat conducting inner barrel 11 and heat conducting rod 12, the heat transfer can be improved, the power supply of air blower one 13 is connected, so that it can send air to the space formed by heat conducting inner barrel 11 and furnace body 1, so that the airflow can be heated, then it is discharged through air outlet interface 15, so that hot air conveying can be realized, so that the fertilizer can be dried by hot air in compound fertilizer production;

[0044] When the combustion material continuously and continuously burns, in order to ensure that the airflow in heat conducting inner barrel 11 accelerates and circulates, the airflow conveying of air blower two 19 can be used to improve the combustion speed of the combustion material, the combustion material can stably burn on receiving disc 22, when the combustion material forms broken material, it can fall into the inside of bottom cover 2 through waste material hole 23 to be collected, when it is needed to clean bottom cover 2 regularly, rotating threaded cap 26, so that it is threadedly separated from threaded column 24, the disengagement operation of threaded column 24 and sleeve ring 25 can be realized, and then, the separation of bottom cover 2 and furnace body 1 can be realized;

[0045] When the gas flow of the combustible is discharged, the cover 42 is closed with the built-in cylinder 17, the gas flow passes through the transition interface 112 and enters the filter cylinder 18 to be discharged, and the dust generated by the combustible is filtered by the multi-layer filter screen in the filter cylinder 18, so that the dust is reduced to overflow in a large amount, and the pollution to the surrounding environment is reduced.

[0046] The above merely describes a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An energy-saving hot blast stove for compound fertilizer production, comprising a stove body (1), characterized in that: The inside of the furnace body (1) is provided with a heat-conducting inner container (11), which is made of stainless steel material, the bottom of the heat-conducting inner container (11) is fixedly assembled with the inner wall of the furnace body (1) through screws, and the outer part of the heat-conducting inner container (11) is distributed with a plurality of heat-conducting rods (12), one end of the heat-conducting rod (12) is welded on the surface of the heat-conducting inner container (11); The lower end of one side of the furnace body (1) is provided with an air inlet (14), the air inlet (14) is fixedly connected with the connection position of the furnace body (1) through welding, the outer end of the air inlet (14) is provided with a blower (13), the outer wall of the blower (13) is fixedly assembled with the outer wall of the furnace body (1) through a support, the air outlet end of the blower (13) is flange-connected with the end of the air inlet (14), and the upper end of the other side of the furnace body (1) is provided with an air outlet (15), the air outlet (15) is fixedly connected with the connection position of the furnace body (1) through welding; The upper end of the furnace body (1) is covered with a furnace cover (16), the lower end of the furnace cover (16) is fixedly assembled with the port position of the furnace body (1) through screws, the center position of the furnace cover (16) is provided with an inner cylinder (17), the connection position of the inner cylinder (17) and the furnace cover (16) is fixedly connected through welding, one side of the inner cylinder (17) is provided with a transition interface (112), the connection position of the transition interface (112) and the inner cylinder (17) is fixedly connected through welding, and the outer end flange of the transition interface (112) is flange-connected with a filter cylinder (18); The lower end of one side of the furnace body (1) is provided with a air supply interface (111), the air supply interface (111) is fixedly connected with the connection position of the furnace body (1) through welding, the outer end of the air supply interface (111) is provided with a blower (19), the outer wall of the blower (19) is fixedly assembled with the surface of the furnace body (1) through a support, and the air outlet end of the blower (19) is flange-connected with the end flange of the air supply interface (111); The lower end of the furnace body (1) is provided with a base (110), and the upper end of the base (110) is fixedly assembled with the lower end surface of the furnace body (1) through a supporting leg.

2. The energy-saving hot blast stove for compound fertilizer production according to claim 1, characterized in that: The lower end opening position of the furnace body (1) is covered with a bottom cover (2), and the upper end of the bottom cover (2) is welded with a center rod (21).

3. The energy-saving hot blast stove for compound fertilizer production according to claim 2, characterized in that: The upper end of the center rod (21) is welded with a receiving disc (22), the receiving disc (22) is slidably sleeved with the inner wall of the furnace body (1), and a plurality of waste holes (23) penetrating the inside of the receiving disc (22) are formed in the receiving disc (22).

4. The energy-saving hot blast stove for compound fertilizer production according to claim 3, characterized in that: The both ends of the bottom cover (2) are respectively provided with a sleeve ring (25), the surface of the sleeve ring (25) is fixedly assembled with the surface of the bottom cover (2) through a support, the bottom of the furnace body (1) is welded with a threaded column (24), and the threaded column (24) and the sleeve ring (25) are penetratingly arranged.

5. The energy-saving hot blast stove for compound fertilizer production according to claim 4, characterized in that: The lower end of the threaded column (24) is threadedly connected with a threaded cap (26), and the upper end of the threaded cap (26) is tightly attached to the end surface of the sleeve ring (25).

6. The energy-saving hot blast stove for compound fertilizer production according to claim 1, characterized in that: The inner side of the filter cartridge (18) is respectively fixed with filter screen one (3), filter screen two (31) and filter screen three (32), filter screen one (3) and filter screen three (32) are both made of aluminum alloy screen material, and filter screen two (31) is made of ceramic fiber screen material.

7. The energy-saving hot blast stove for compound fertilizer production according to claim 1, characterized in that: The upper end of the furnace cover (16) is provided with a positioning column (4), the lower end of the positioning column (4) is fixedly assembled with the surface of the furnace cover (16) through screws, and the surface of the positioning column (4) is slidably sleeved with a sliding sleeve (41).

8. The energy-saving hot blast stove for compound fertilizer production according to claim 7, characterized in that: One end of the sliding sleeve (41) is fixed with a cover (42) through a support, the cover (42) is matched with the built-in cylinder (17), and the other end of the cover (42) is welded with a handle (43).

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