CN114018036A - Vertical furnace roasting equipment - Google Patents
Vertical furnace roasting equipment Download PDFInfo
- Publication number
- CN114018036A CN114018036A CN202111333271.5A CN202111333271A CN114018036A CN 114018036 A CN114018036 A CN 114018036A CN 202111333271 A CN202111333271 A CN 202111333271A CN 114018036 A CN114018036 A CN 114018036A
- Authority
- CN
- China
- Prior art keywords
- storage mechanism
- side wall
- vertical furnace
- lateral wall
- equipment body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/20—Arrangements of devices for charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/02—Shaft or like vertical or substantially vertical furnaces with two or more shafts or chambers, e.g. multi-storey
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
Abstract
The invention relates to the technical field related to heat treatment of catalysts, in particular to a vertical furnace roasting device which comprises a roasting device body, a material conveying structure, a flue gas supply device, a waste gas treatment device, a first material storage mechanism, a second material storage mechanism and a third material storage mechanism, wherein the third material storage mechanism is arranged right below the second material storage mechanism; through setting up by calcining equipment body, defeated material structure, flue gas supply equipment, exhaust treatment device, first storage mechanism, the vertical furnace roasting equipment that second storage mechanism and third storage mechanism combination constitute, thereby through first storage mechanism, second storage mechanism and third storage mechanism carry out the syllogic heating to the material, thereby let the material preheat in first storage mechanism, carry out the initial heating in second storage mechanism, and carry out the final heating at third storage mechanism, thereby improve the thermal utilization ratio of flue gas, and can guarantee all can carry out comparatively abundant thermal treatment to whole materials.
Description
Technical Field
The invention relates to the technical field related to heat treatment of catalysts, in particular to roasting equipment of a vertical furnace.
Background
The heat treatment of the catalyst is also called thermal processing of the catalyst, and refers to heat treatment steps in the preparation process of the catalyst, such as drying, thermal decomposition, calcination and the like of a filter cake or a carrier impregnated with an active component, and also refers to heat treatment steps in the use process of the catalyst, such as activation, regeneration and the like, of the basic catalyst, wherein the basic catalyst needs to be heated and degassed before use to remove adsorbed moisture and carbon dioxide.
However, the conventional catalyst heat treatment device has a simple structure, and in the actual use process, because the conventional heat treatment device adopts high-temperature flue gas to carry out heat treatment on the catalyst, and the temperature of the flue gas of the high-temperature flue gas is reduced in the flowing process, the treatment temperature of the catalyst at the upper part of the treatment device is not in place, so that the later use effect is influenced.
Disclosure of Invention
The invention aims to provide a vertical furnace roasting device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a vertical furnace firing apparatus comprising:
the calcining equipment comprises a calcining equipment body, wherein the calcining equipment body is of a columnar structure and is fixedly supported on the ground through supporting legs, an air inlet and a material returning opening are formed in the lower end of the calcining equipment body, and an air outlet and a material inlet are formed in the upper end of the calcining equipment body;
the starting end of the material conveying structure is arranged right below the material returning port;
the smoke supply device is characterized in that a gas supply port of the smoke supply device is connected with a gas inlet through a first flue;
the gas inlet port of the waste gas treatment device is connected with the gas outlet of the calcining equipment body through a second flue;
the first storage mechanism is arranged close to the upper end of the inner cavity of the calcining equipment body;
the second material storage mechanism is arranged right below the first material storage mechanism;
and the third storage mechanism is arranged under the second storage mechanism.
Preferably, the calcining equipment body is composed of a first side wall, a second side wall and a third side wall in a combined mode, a heat preservation cavity is formed between the first side wall and the second side wall, a smoke cavity is formed between the second side wall and the third side wall, a material cavity is formed inside the third side wall, and the first material storage mechanism, the second material storage mechanism and the third material storage mechanism are all arranged in the material cavity.
Preferably, the first side wall and the second side wall are both made of heat-insulating materials by casting, and heat-insulating asbestos is filled in a heat-insulating cavity between the first side wall and the second side wall.
Preferably, the third side wall is cast by heat conducting materials, and the air inlet and the air outlet are communicated with the smoke cavity.
Preferably, a partition plate is arranged in the smoke cavity between the second side wall and the third side wall, the partition plate is of a plate structure in a spiral shape, and the partition plate divides the smoke cavity into a spiral cavity structure.
Preferably, first storage mechanism comprises material chamber, baffle, servo motor and the combination of anti-blocking material subassembly, the below in material chamber is the bin outlet, and the baffle is for rotating to install under the bin outlet through servo motor, and servo motor is for fixing on the third lateral wall.
Preferably, the anti-blocking component comprises mounting bracket, liftout subassembly, reset spring, cam, pivot and step motor combination, the mounting bracket is for fixing on the third lateral wall, the liftout subassembly is for installing at the mounting bracket, the cam is for installing in the pivot, the pivot is for rotating to install on the lateral wall of calcining equipment body, and the pivot drives through step motor.
Preferably, the mounting bracket is formed by combining an outer frame, an inner frame and a connecting rod, the outer frame and the inner frame are connected through the connecting rod, the outer frame is mounted on the third side wall, and the upper side lines of the inner frame and the connecting rod are all subjected to fillet treatment.
Preferably, the liftout subassembly comprises top, guide arm and bottom plate combination, be connected through the guide arm between top and the bottom plate, the guide arm sets up on the inside casing for the activity, reset spring overlaps for the cover and establishes on the guide arm, and reset spring's upper and lower end is connected with inside casing, bottom plate respectively, and the bottom plate is for offseting the setting with the cam.
The top is in a conical structure.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arrangement of the vertical furnace roasting equipment formed by combining the roasting equipment body, the material conveying structure, the flue gas supply equipment, the waste gas treatment device, the first material storage mechanism, the second material storage mechanism and the third material storage mechanism, the materials are heated in a three-section mode through the first material storage mechanism, the second material storage mechanism and the third material storage mechanism, so that the materials are preheated in the first material storage mechanism, are initially heated in the second material storage mechanism and are finally heated in the third material storage mechanism, the utilization rate of the heat of the flue gas is improved, and the more sufficient heat treatment on all the materials can be ensured;
2. the partition plate which is spirally arranged is arranged in the smoke cavity between the second side wall and the third side wall, so that the smoke cavity is divided into a spiral cavity structure through the partition plate, the flow time of smoke is prolonged, and the utilization rate of heat is improved;
3. and through setting up the anti-blocking subassembly that comprises mounting bracket, liftout subassembly, reset spring, cam, pivot and step motor combination to through the motion effect of liftout subassembly on the anti-blocking subassembly, thereby avoid the material card material phenomenon to appear at the in-process that flows, thereby guarantee that the whole work that carries on that can stabilize of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of a first material storage mechanism according to the present invention;
FIG. 5 is a schematic structural view of an anti-blocking assembly according to the present invention;
FIG. 6 is a schematic view of a mounting frame structure;
FIG. 7 is an enlarged view of the structure at B in FIG. 6;
fig. 8 is a schematic structural view of the ejection assembly.
In the figure: calcining equipment body 1, air inlet 2, gas vent 3, feed inlet 4, defeated material structure 5, first storage mechanism 6, second storage mechanism 7, third storage mechanism 8, supporting leg 9, first lateral wall 10, second lateral wall 11, third lateral wall 12, baffle 13, material chamber 14, baffle 15, servo motor 16, anti-blocking subassembly 17, mounting bracket 18, liftout subassembly 19, reset spring 20, cam 21, pivot 22, frame 23, inside casing 24, connecting rod 25, top 26, guide arm 27, bottom plate 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a vertical furnace firing apparatus comprising:
the calcining equipment comprises a calcining equipment body 1, wherein the calcining equipment body 1 is of a columnar structure and is fixedly supported on the ground through supporting legs 9, an air inlet 2 and a material returning port are formed in the lower end of the calcining equipment body 1, and an air outlet 3 and a material inlet 4 are formed in the upper end of the calcining equipment body 1;
the starting end of the material conveying structure 5 is arranged right below the material returning port;
the gas supply port of the flue gas supply equipment is connected with the gas inlet 2 through a first flue;
the inlet port of the waste gas treatment device is connected with the exhaust port 3 of the calcining equipment body 1 through a second flue;
the first material storage mechanism 6 is arranged close to the upper end of the inner cavity of the calcining equipment body 1, and the first material storage mechanism 6 is arranged close to the upper end of the inner cavity of the calcining equipment body 1;
the second storing mechanism 7 is arranged right below the first storing mechanism 6;
The calcining equipment body 1 is formed by combining a first side wall 10, a second side wall 11 and a third side wall 12, a heat preservation cavity is formed between the first side wall 10 and the second side wall 11, a flue gas cavity is formed between the second side wall 11 and the third side wall 12, a material cavity is formed inside the third side wall 12, and the first material storage mechanism 6, the second material storage mechanism 7 and the third material storage mechanism 8 are all arranged in the material cavity;
the first side wall 10 and the second side wall 11 are both made of heat insulation materials by casting, heat insulation asbestos is filled in a heat insulation cavity between the first side wall 10 and the second side wall 11, the side wall of the calcining equipment body 1 is formed by combining the first side wall 10, the second side wall 11 and the third side wall 12, the heat insulation cavity is reserved between the first side wall 10 and the second side wall 11, and the heat insulation asbestos is filled in the heat insulation cavity, so that the heat dissipation is reduced, the heat utilization rate is improved, and the calcining equipment is very environment-friendly;
the third side wall 12 is made of heat conducting materials by casting, and the gas inlet 2 and the gas outlet 3 are both communicated with the smoke cavity;
a partition plate 13 is arranged in the flue gas cavity between the second side wall 11 and the third side wall 12, the partition plate 13 is of a spirally arranged plate structure, the partition plate 13 divides the flue gas cavity into a spirally arranged cavity structure, and the partition plate 13 is arranged in the flue gas cavity between the second side wall 11 and the third side wall 12, so that the flue gas cavity is divided into the spirally arranged cavity structure through the partition plate 13, the flow time of the flue gas is prolonged, and the utilization rate of heat is improved;
the first material storage mechanism 6 is composed of a material cavity 14, a baffle 15, a servo motor 16 and an anti-blocking component 17, wherein a discharge hole is formed below the material cavity 14, the baffle 15 is rotatably arranged right below the discharge hole through the servo motor 16, and the servo motor 16 is fixed on the third side wall 12;
the anti-blocking component 17 is formed by combining an installation frame 18, a material ejecting component 19, a reset spring 20, a cam 21, a rotating shaft 22 and a stepping motor, the installation frame 18 is fixed on the third side wall 12, the material ejecting component 19 is installed on the installation frame 18, the cam 21 is installed on the rotating shaft 22, the rotating shaft 22 is rotatably installed on the side wall of the calcining equipment body 1, and the rotating shaft 22 is driven by the stepping motor;
the mounting frame 18 is formed by combining an outer frame 23, an inner frame 24 and a connecting rod 25, the outer frame 23 and the inner frame 24 are connected through the connecting rod 25, the outer frame 23 is mounted on the third side wall 12, and the upper side edges of the inner frame 24 and the connecting rod 25 are subjected to fillet treatment, so that the situation that materials fall on the mounting frame 18 and cannot fall is avoided;
the ejection assembly 19 is formed by combining an ejection head 26, a guide rod 27 and a bottom plate 28, the ejection head 26 is connected with the bottom plate 28 through the guide rod 27, the guide rod 27 is movably arranged on the inner frame 24, the return spring 20 is sleeved on the guide rod 27, the upper end and the lower end of the return spring 20 are respectively connected with the inner frame 24 and the bottom plate 28, and the bottom plate 28 is abutted against the cam 21;
the top 26 is in a conical structure;
the working principle is as follows: through arranging the vertical furnace roasting equipment consisting of the roasting equipment body 1, the material conveying structure 5, the flue gas supply equipment, the waste gas treatment device, the first material storage mechanism 6, the second material storage mechanism 7 and the third material storage mechanism 8, the materials are heated in a three-section way through the first material storage mechanism 6, the second material storage mechanism 7 and the third material storage mechanism 8, so that the materials are preheated in the first material storage mechanism 6, are initially heated in the second material storage mechanism 7 and are finally heated in the third material storage mechanism 8, the utilization rate of the heat of the flue gas is improved, the full heat treatment of all the materials can be ensured, and the spiral baffle plate 13 is arranged in the flue gas cavity between the second side wall 11 and the third side wall 12, so that the flue gas cavity is divided into a spiral cavity structure through the baffle plate 13, and the flow time of the flue gas is prolonged, in order to improve the utilization rate of heat, the anti-blocking component 17 composed of the mounting frame 18, the material ejecting component 19, the reset spring 20, the cam 21, the rotating shaft 22 and the stepping motor is arranged, so that the material blocking phenomenon in the flowing process of the material is avoided through the motion effect of the material ejecting component 19 on the anti-blocking component 17, and the whole device can stably work, when in actual use, the material is added through the feeding hole 4, after the material addition in the first material storage mechanism 6, the second material storage mechanism 7 and the third material storage mechanism 8 is completed, high-temperature smoke is conveyed to a smoke cavity, so that the material in the first material storage mechanism 6, the second material storage mechanism 7 and the third material storage mechanism 8 is subjected to heat treatment, after the material treatment in the third material storage mechanism 8 is completed, a worker firstly opens the baffle 15 on the third material storage mechanism 8, therefore, the materials are discharged, then the baffle 15 on the third material storage mechanism 8 is closed, then the materials in the second material storage mechanism 7 are placed into the third material storage mechanism 8, then the materials in the first material storage mechanism 6 are placed into the second material storage mechanism 7, then the materials are added into the first material storage mechanism 6, and then the heat treatment process is continued.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a vertical furnace calcination equipment which characterized in that: the vertical furnace roasting equipment comprises:
the calcining equipment comprises a calcining equipment body (1), wherein the calcining equipment body (1) is of a columnar structure and is fixedly supported on the ground through supporting legs (9), the lower end of the calcining equipment body (1) is provided with an air inlet (2) and a material returning opening, and the upper end of the calcining equipment body (1) is provided with an air outlet (3) and a material inlet (4);
the starting end of the material conveying structure (5) is arranged right below the material returning port;
the gas supply port of the flue gas supply equipment is connected with the gas inlet (2) through a first flue;
the inlet port of the waste gas treatment device is connected with the exhaust port (3) of the calcining equipment body (1) through a second flue;
the first material storage mechanism (6) is arranged close to the upper end of the inner cavity of the calcining equipment body (1);
the second material storage mechanism (7), the second material storage mechanism (7) is arranged under the first material storage mechanism (6);
and the third storage mechanism (8) is arranged under the second storage mechanism (7).
2. A vertical furnace firing apparatus as claimed in claim 1, wherein: calcining equipment body (1) comprises first lateral wall (10), second lateral wall (11) and third lateral wall (12) combination, be formed with the heat preservation chamber between first lateral wall (10) and second lateral wall (11), be formed with the flue gas chamber between second lateral wall (11) and third lateral wall (12), and third lateral wall (12) inside is the material chamber, first storage mechanism (6), second storage mechanism (7) and third storage mechanism (8) all set up in the material chamber.
3. A vertical furnace firing apparatus according to claim 2, characterized in that: the first side wall (10) and the second side wall (11) are both made of heat insulation materials by casting, and heat insulation asbestos is filled in a heat insulation cavity between the first side wall (10) and the second side wall (11).
4. A vertical furnace firing apparatus according to claim 2, characterized in that: the third side wall (12) is made of heat conducting materials by casting, and the air inlet (2) and the air outlet (3) are communicated with the smoke cavity.
5. A vertical furnace firing apparatus according to claim 4, characterized in that: a partition plate (13) is arranged in the smoke cavity between the second side wall (11) and the third side wall (12), the partition plate (13) is of a plate structure which is spirally arranged, and the smoke cavity is divided into a spiral cavity structure by the partition plate (13).
6. A vertical furnace firing apparatus according to claim 5, characterized in that: first storage mechanism (6) comprise material chamber (14), baffle (15), servo motor (16) and anti-blocking subassembly (17) combination, the below of material chamber (14) is the bin outlet, and baffle (15) are installed under the bin outlet for rotating through servo motor (16), and servo motor (16) are for fixing on third lateral wall (12).
7. A vertical furnace firing apparatus according to claim 6, characterized in that: anti-blocking subassembly (17) comprises mounting bracket (18), liftout subassembly (19), reset spring (20), cam (21), pivot (22) and step motor combination, mounting bracket (18) are for fixing on third lateral wall (12), liftout subassembly (19) are for installing at mounting bracket (18), cam (21) are for installing on pivot (22), pivot (22) are installed on the lateral wall of calcining equipment body (1) for rotating, and pivot (22) drive through step motor.
8. A vertical furnace firing apparatus as claimed in claim 7, wherein: the mounting bracket (18) is formed by combining an outer frame (23), an inner frame (24) and a connecting rod (25), the outer frame (23) and the inner frame (24) are connected through the connecting rod (25), the outer frame (23) is installed on the third side wall (12), and the upper side lines of the inner frame (24) and the connecting rod (25) are all subjected to fillet processing.
9. A vertical furnace firing apparatus as claimed in claim 8, wherein: the ejection assembly (19) is composed of an ejection head (26), a guide rod (27) and a bottom plate (28) in a combined mode, the ejection head (26) is connected with the bottom plate (28) through the guide rod (27), the guide rod (27) is movably arranged on an inner frame (24), a reset spring (20) is sleeved on the guide rod (27), the upper end and the lower end of the reset spring (20) are respectively connected with the inner frame (24) and the bottom plate (28), and the bottom plate (28) is arranged in a propping mode with a cam (21).
10. A vertical furnace firing apparatus as claimed in claim 9, wherein: the plug (26) is in a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333271.5A CN114018036A (en) | 2021-11-11 | 2021-11-11 | Vertical furnace roasting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333271.5A CN114018036A (en) | 2021-11-11 | 2021-11-11 | Vertical furnace roasting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114018036A true CN114018036A (en) | 2022-02-08 |
Family
ID=80063563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111333271.5A Pending CN114018036A (en) | 2021-11-11 | 2021-11-11 | Vertical furnace roasting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114018036A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101706668B1 (en) * | 2016-07-29 | 2017-02-16 | 주식회사 에코원테크놀로지 | Multi-Stage Activated Carbon Regeneration |
| CN207335401U (en) * | 2017-08-24 | 2018-05-08 | 李春江 | A kind of cupola melting preheating device |
| CN209147713U (en) * | 2018-04-01 | 2019-07-23 | 江苏亚飞炭素有限公司 | A kind of vertical electric furnace of carburant continuous production |
| CN111218291A (en) * | 2020-03-09 | 2020-06-02 | 中国农业科学院农业环境与可持续发展研究所 | Pyrolysis, carbonization and catalysis integrated method |
| CN213453659U (en) * | 2020-10-13 | 2021-06-15 | 中国铁道科学研究院集团有限公司节能环保劳卫研究所 | Domestic waste gasification incinerator |
| CN213880980U (en) * | 2020-12-04 | 2021-08-06 | 澧县腾宏米业有限责任公司 | Grain processing is with grain storehouse that has drying function |
-
2021
- 2021-11-11 CN CN202111333271.5A patent/CN114018036A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101706668B1 (en) * | 2016-07-29 | 2017-02-16 | 주식회사 에코원테크놀로지 | Multi-Stage Activated Carbon Regeneration |
| CN207335401U (en) * | 2017-08-24 | 2018-05-08 | 李春江 | A kind of cupola melting preheating device |
| CN209147713U (en) * | 2018-04-01 | 2019-07-23 | 江苏亚飞炭素有限公司 | A kind of vertical electric furnace of carburant continuous production |
| CN111218291A (en) * | 2020-03-09 | 2020-06-02 | 中国农业科学院农业环境与可持续发展研究所 | Pyrolysis, carbonization and catalysis integrated method |
| CN213453659U (en) * | 2020-10-13 | 2021-06-15 | 中国铁道科学研究院集团有限公司节能环保劳卫研究所 | Domestic waste gasification incinerator |
| CN213880980U (en) * | 2020-12-04 | 2021-08-06 | 澧县腾宏米业有限责任公司 | Grain processing is with grain storehouse that has drying function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109610140A (en) | A kind of wardrobe with drying function | |
| CN114018036A (en) | Vertical furnace roasting equipment | |
| CN208287673U (en) | A kind of catalytic combustion system | |
| CN108592643B (en) | Sintering furnace emission-control equipment | |
| CN113357655A (en) | Treatment device and treatment method for automobile body drying waste gas | |
| CN213179553U (en) | Hot-galvanize workshop waste heat recovery utilizes device | |
| CN211721710U (en) | Bacon smoking oven | |
| CN206137082U (en) | Tower boiling device of spiral | |
| CN112642493A (en) | Gas direct-fired horizontal impregnation drying production line | |
| CN216694345U (en) | Precipitation drying device is used in production of yellow tungsten oxide | |
| CN208447311U (en) | A kind of rotary baking box convenient for cleaning | |
| CN211721843U (en) | Even stir-fry device that turns over of food | |
| CN213357641U (en) | Quick cooling structure for casting heat treatment | |
| CN114508765A (en) | Combined high-efficiency air preheater and preheating method thereof | |
| CN108783523B (en) | Peanut frying device | |
| CN111838343A (en) | Baking and drying device for far-safety yellow tea | |
| CN218579663U (en) | Activated alumina activation roasting furnace | |
| CN215224644U (en) | Control system of hot air type coffee roasting machine | |
| CN218902401U (en) | Surface spraying device for processing steel castings | |
| CN216745262U (en) | Energy-saving efficient disc type drying device | |
| CN216612776U (en) | Full-automatic feeding system of activated carbon feeding device | |
| CN220805470U (en) | Energy-saving bread baking machine | |
| CN217796156U (en) | Automatic eliminating device for regenerated active carbon discharging | |
| CN218831836U (en) | Green tea production is with rolling device | |
| CN209763107U (en) | Heat accumulating type catalytic combustion waste gas purifying equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |