CN112879898A - Boiler for biomass particle combustion - Google Patents
Boiler for biomass particle combustion Download PDFInfo
- Publication number
- CN112879898A CN112879898A CN202110081829.9A CN202110081829A CN112879898A CN 112879898 A CN112879898 A CN 112879898A CN 202110081829 A CN202110081829 A CN 202110081829A CN 112879898 A CN112879898 A CN 112879898A
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- Prior art keywords
- box
- grinding
- boiler
- fixedly connected
- wall
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- 239000002028 Biomass Substances 0.000 title claims abstract description 27
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 22
- 239000002245 particle Substances 0.000 title claims abstract description 19
- 238000000227 grinding Methods 0.000 claims abstract description 57
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 241000220317 Rosa Species 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003546 flue gas Substances 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 9
- 239000008187 granular material Substances 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000010828 animal waste Substances 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- -1 crops Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000021190 leftovers Nutrition 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002916 wood waste Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/10—Under-feed arrangements
- F23K3/14—Under-feed arrangements feeding by screw
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention discloses a boiler for biomass particle combustion, which relates to the technical field of biomass combustion and comprises a grinding box, a combustion boiler and a filter box, wherein the top of the grinding box is provided with a feed inlet, the top of the inner wall of the grinding box is fixedly connected with a fixed block, one side of the inner wall of the grinding box is fixedly provided with an electric telescopic rod, the bottom of the fixed block is provided with a fixed column, and the bottom of the fixed column is fixedly connected with a spring. According to the invention, the flue gas discharged by boiler combustion can be filtered, dust particles and harmful substances in the flue gas are adsorbed, the environment pollution caused by direct discharge to the atmosphere is avoided, the environmental protection property is improved, certain overhaul efficiency and filtration quality are improved, raw materials can be fully ground and uniformly distributed, the fan provides enough oxygen for the interior of the boiler, the boiler can be fully combusted, the maximization of the resource utilization rate is improved, and resources are saved.
Description
Technical Field
The invention relates to the technical field of biomass combustion, in particular to a boiler for biomass particle combustion.
Background
Biomass refers to various organisms produced by photosynthesis using the atmosphere, water, land, etc., i.e., all living organic substances that can grow are generally called biomass, which includes plants, animals, and microorganisms; the broad concept that biomass includes all plants, microorganisms, and animals whose food is plants and microorganisms and waste products produced by the same, and representative biomass such as crops, crop waste, wood waste and animal wastes; the narrow concept that the biomass mainly refers to the matters such as straws, trees and other lignocelluloses except grains and fruits in the production process of agriculture and forestry, leftovers in the processing industry of agricultural products, wastes in agriculture and forestry, and excrements and wastes of livestock in the production process of animal husbandry; the biomass has the characteristics of renewability, low pollution and wide distribution; therefore, the biomass energy is an important component of renewable energy, and the efficient development and utilization of the biomass energy play a very positive role in solving the problems of energy and ecological environment.
Some biomass particle combustion boilers that have now are not enough a little, and general boiler is when burning its enthusiasm, discharges the flue gas direct discharge, mixes the ashes granule dust then in the flue gas, causes environmental pollution, and the granule of raw materials is inhomogeneous to lead to the burning inadequately simultaneously, causes the wasting of resources.
Disclosure of Invention
The invention aims to provide a boiler for biomass particle combustion, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a boiler for biomass particle combustion comprises a grinding box, a combustion boiler and a filter box, wherein a feed inlet is formed in the top of the grinding box, a fixed block is fixedly connected to the top of the inner wall of the grinding box, an electric telescopic rod is fixedly installed on one side of the inner wall of the grinding box, a fixed column is arranged at the bottom of the fixed block, a spring is fixedly connected to the bottom of the fixed column, a connecting column is fixedly connected to the bottom of the spring, a grinding roller is arranged at one end of the connecting column, grinding strips are arranged on the surface of the grinding roller, a drainage plate is fixedly connected to the inside of the grinding box, a feeding box is fixedly connected to one side of the grinding box, a motor is fixedly installed on the feeding box, a spiral conveying rod is arranged at the output end of the motor, a fan is fixedly installed on one side of the grinding box, and a spray nozzle, the inner wall of rose box closes on shower nozzle fixedly connected with concave type piece, the inside of rose box is provided with filter screen and active carbon filter screen, the inner wall bottom fixedly connected with waterproof board of rose box, the bottom of rose box is provided with the delivery port, the equal fixedly connected with handle in front side of filter screen and active carbon filter screen.
As a further scheme of the invention: one side of the filter box is provided with a vent pipe, one side of the filter box is communicated with one side of the combustion boiler through the vent pipe, and the other side of the filter box is provided with an air outlet pipe.
As a still further scheme of the invention: the front side of the filter box is provided with a box door, the concave block is matched with the filter screen and the activated carbon filter screen, and the bottom of the water outlet is provided with an electromagnetic valve.
As a still further scheme of the invention: the fixed block is connected with one end of the fixed column in a hinged mode, the other end of the fixed column is connected with the top of the connecting column in a clearance fit mode, and one end of the connecting column is connected with the two ends of the rolling roller in a rotating mode.
As a still further scheme of the invention: the grinding machine is characterized in that one end, far away from the motor, of the spiral conveying rod is connected with the inner wall of one side of the feeding box through a bearing, a feeding port is formed in one end of the feeding box, an air pipe is arranged at one end of the fan, one end of the fan is communicated with one side of the feeding box through the air pipe, and a grinding net is arranged inside the grinding box.
As a still further scheme of the invention: the fan, the motor and the fan are all externally connected with a power supply, and the spray head is externally connected with a water source.
Compared with the prior art, the invention has the beneficial effects that: be provided with the shower nozzle, the rose box, filter screen and active carbon filter screen, can filter the flue gas that the boiler burning discharged, adsorb dust granule and harmful substance wherein, avoid directly discharging to cause environmental pollution in the atmosphere, the environmental protection is improved, be provided with the concave type piece, chamber door and handle, the staff of being convenient for changes filter screen and active carbon filter screen, avoid using filter efficiency to reduce for a long time, certain maintenance efficiency and filtration quality have been improved, be provided with spiral conveying pole, the material loading case, the fan, the drainage plate, including a motor, grind net and roll the pressure wind etc. cooperation between the process, can fully grind old even granule with the raw materials, the fan provides sufficient oxygen to boiler inside, be favorable to the boiler to its abundant burning, improve resource utilization's maximize, save the resource.
Drawings
Fig. 1 is a schematic sectional view of a biomass pellet-burning boiler.
Fig. 2 is a schematic structural view of a filter box in a boiler for biomass particle combustion.
Fig. 3 is a schematic view of a structure of a grinding roller in a biomass particle combustion boiler.
The labels in the figure are: 1. grinding a box; 2. a drainage plate; 3. rolling a roller; 4. connecting columns; 5. a spring; 6. fixing a column; 7. a feed inlet; 8. a fixed block; 9. an electric telescopic rod; 10. a fan; 11. feeding a material box; 12. a screw transfer rod; 13. a motor; 14. a combustion boiler; 15. a filter box; 16. a spray head; 17. a waterproof sheet; 18. a water outlet; 19. an active carbon filter screen; 20. a filter screen; 21. a concave block; 22. a handle; 23. and (6) grinding the strip.
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 to 3, in an embodiment of the present invention, a boiler for biomass particle combustion includes a grinding box 1, a combustion boiler 14, and a filter box 15, a feed inlet 7 is formed at the top of the grinding box 1, a fixed block 8 is fixedly connected to the top of the inner wall of the grinding box 1, an electric telescopic rod 9 is fixedly installed at one side of the inner wall of the grinding box 1, a fixed column 6 is installed at the bottom of the fixed block 8, a spring 5 is fixedly connected to the bottom of the fixed column 6, a connecting column 4 is fixedly connected to the bottom of the spring 5, a grinding roller 3 is installed at one end of the connecting column 4, a grinding strip 23 is installed on the surface of the grinding roller 3, a flow guide plate 2 is fixedly connected to the inside of the grinding box 1, a feeding box 11 is fixedly connected to one side of the grinding box 1, a motor 13 is fixedly installed on the feeding box 11, a spiral transmission rod 12 is, the shower nozzle 16 is provided with at the inner wall top of rose box 15, the inner wall of rose box 15 closes on shower nozzle 16 fixedly connected with concave type piece 21, the inside of rose box 15 is provided with filter screen 20 and active carbon filter screen 19, the inner wall bottom fixedly connected with waterproof board 17 of rose box 15, the bottom of rose box 15 is provided with delivery port 18, the equal fixedly connected with handle 22 in front of filter screen 20 and active carbon filter screen 19, avoid directly discharging to cause environmental pollution in the atmosphere, environmental protection is improved.
Referring to fig. 1 and 2, a ventilation pipe is disposed at one side of the filtering box 15, one side of the filtering box 15 is communicated with one side of the combustion boiler 14 through the ventilation pipe, and an air outlet pipe is disposed at the other side of the filtering box 15 to filter the exhausted smoke.
Referring to fig. 1 and 2, a box door is disposed at the front side of the filter box 15, a concave block 21 is matched with the filter net 20 and the activated carbon filter net 19, and an electromagnetic valve is disposed at the bottom of the water outlet 18 for discharging adsorbed water.
Referring to fig. 1 and 3, the fixing block 8 is hinged to one end of the fixing column 6, the other end of the fixing column 6 is connected to the top of the connecting column 4 in a clearance fit manner, and one end of the connecting column 4 is rotatably connected to two ends of the rolling roller 3, so that raw materials can be uniformly ground into particles.
Referring to fig. 1, one end of the spiral conveying rod 12, which is far away from the motor 13, is connected to an inner wall of one side of the upper material box 11 through a bearing, one end of the upper material box 11 is provided with a feeding port, one end of the fan 10 is provided with an air pipe, one end of the fan 10 is communicated with one side of the upper material box 11 through the air pipe, and the grinding box 1 is internally provided with a grinding net for providing oxygen to the inside of the boiler, so that the boiler can be combusted more fully.
Referring to fig. 1, the fan 10, the motor 13 and the fan 10 are all externally connected with a power supply, and the nozzle 16 is externally connected with a water source, and the water source is arranged to adsorb dust in flue gas.
The working principle of the invention is as follows: when the grinding device is used, a worker firstly pours raw materials to be burnt into the grinding box 1 from the feeding hole 7, the raw materials fall on the grinding net, then the electric telescopic rod 9 is started, the fixing column 6 is pushed to rotate on the fixing block 8, so that the connecting column 4 drives the grinding roller 3 to move on the grinding net, the spring 5 stretches and retracts to enable the grinding roller 3 to move back and forth on the grinding net, the grinding strips 23 on the grinding roller 3 are in contact with the raw materials to be matched with the grinding net for grinding, the particles of the grinding strips are ground into uniform size and fall on the drainage plate 2 and move into the upper material box 11 through the drainage plate 2, then the motor 13 is started, the motor 13 drives the spiral conveying rod 12 to rotate, the ground raw materials are conveyed to the other end of the upper material box 11, then the fan 10 is started, air is blown into the upper material box 11 through the air pipe, and the, fan 10 can provide oxygen to boiler inside for the burning is more abundant, and exhaust flue gas enters into rose box 15, at first adsorbs the dust of getting rid of in the flue gas through shower nozzle 16, further filters the granule wherein through filter screen 20, adsorbs the noxious material in the flue gas through active carbon filter screen 19 at last, discharges from the outlet duct at last.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (6)
1. A biomass particle combustion boiler comprising a grinding box (1), a combustion boiler (14) and a filter box (15), characterized in that: the grinding box comprises a grinding box (1), a feeding hole (7) is formed in the top of the grinding box (1), a fixing block (8) is fixedly connected to the top of the inner wall of the grinding box (1), an electric telescopic rod (9) is fixedly installed on one side of the inner wall of the grinding box (1), a fixing column (6) is arranged at the bottom of the fixing block (8), a spring (5) is fixedly connected to the bottom of the fixing column (6), a connecting column (4) is fixedly connected to the bottom of the spring (5), a grinding roller (3) is arranged at one end of the connecting column (4), grinding strips (23) are arranged on the surface of the grinding roller (3), a drainage plate (2) is fixedly connected to the inside of the grinding box (1), a feeding box (11) is fixedly connected to one side of the grinding box (1), a motor (13) is fixedly installed on the feeding box (11), and a spiral conveying rod (12, grinding one side fixed mounting of case (1) has fan (10), the inner wall top of rose box (15) is provided with shower nozzle (16), the inner wall of rose box (15) closes on shower nozzle (16) fixedly connected with concave type piece (21), the inside of rose box (15) is provided with filter screen (20) and active carbon filter screen (19), the inner wall bottom fixedly connected with waterproof board (17) of rose box (15), the bottom of rose box (15) is provided with delivery port (18), the equal fixedly connected with handle (22) in front side of filter screen (20) and active carbon filter screen (19).
2. The biomass particle burning boiler as set forth in claim 1, wherein: a vent pipe is arranged on one side of the filter box (15), one side of the filter box (15) is communicated with one side of the combustion boiler (14) through the vent pipe, and an air outlet pipe is arranged on the other side of the filter box (15).
3. The biomass particle burning boiler as set forth in claim 1, wherein: the front side of the filter box (15) is provided with a box door, the concave block (21) is matched with the filter screen (20) and the activated carbon filter screen (19), and the bottom of the water outlet (18) is provided with an electromagnetic valve.
4. The biomass particle burning boiler as set forth in claim 1, wherein: the fixed block (8) is connected with one end of the fixed column (6) in a hinged mode, the other end of the fixed column (6) is connected with the top of the connecting column (4) in a clearance fit mode, and one end of the connecting column (4) is connected with the two ends of the rolling roller (3) in a rotating mode.
5. The biomass particle burning boiler as set forth in claim 1, wherein: one end, far away from the motor (13), of the spiral conveying rod (12) is connected with the inner wall of one side of the feeding box (11) through a bearing, a feeding opening is formed in one end of the feeding box (11), an air pipe is arranged at one end of the fan (10), one end of the fan (10) is communicated with one side of the feeding box (11) through the air pipe, and a grinding net is arranged inside the grinding box (1).
6. The biomass particle burning boiler as set forth in claim 1, wherein: the fan (10), the motor (13) and the fan (10) are all externally connected with a power supply, and the spray head (16) is externally connected with a water source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110081829.9A CN112879898A (en) | 2021-01-21 | 2021-01-21 | Boiler for biomass particle combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110081829.9A CN112879898A (en) | 2021-01-21 | 2021-01-21 | Boiler for biomass particle combustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112879898A true CN112879898A (en) | 2021-06-01 |
Family
ID=76051610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110081829.9A Pending CN112879898A (en) | 2021-01-21 | 2021-01-21 | Boiler for biomass particle combustion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112879898A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| KR20160139267A (en) * | 2015-05-27 | 2016-12-07 | 조혁상 | High Efficiency Pellet Boiler |
| CN207407363U (en) * | 2017-10-25 | 2018-05-25 | 河北蓝烽锅炉压力容器制造有限公司 | WNS series of biologic matter boilers |
| CN108543733A (en) * | 2018-06-01 | 2018-09-18 | 董雪艳 | A kind of medical medicinal material cleaning grinding device |
| CN108626720A (en) * | 2018-07-21 | 2018-10-09 | 山东多乐新能源科技有限责任公司 | A kind of boiler to be burnt using biological particles |
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| CN208390110U (en) * | 2018-04-24 | 2019-01-18 | 郑州远东耐火材料有限公司 | Raw mill plant is used in a kind of production of zirconia-corundum refractory brick |
| CN208859594U (en) * | 2018-09-03 | 2019-05-14 | 中材节能股份有限公司 | A kind of biomass power generation combustion furnace with function of fuel gas purification |
| CN110756310A (en) * | 2019-11-04 | 2020-02-07 | 许昌学院 | Reducing mechanism is used in processing of lithium ion battery electrode material |
| CN111457358A (en) * | 2020-04-14 | 2020-07-28 | 甘肃启荣生物质颗粒燃料生产有限公司 | Biomass fuel boiler |
| CN211274827U (en) * | 2019-11-01 | 2020-08-18 | 遵义市第一人民医院 | Automatic device that samples of traditional chinese medicine |
| CN211650726U (en) * | 2019-12-29 | 2020-10-09 | 无锡华东锡锋锅炉科技有限公司 | Energy-saving emission-reducing boiler |
| CN212284369U (en) * | 2020-05-20 | 2021-01-05 | 山丹县金禾谷生物科技有限公司 | Grinder is used in fertilizer raw materials processing |
| CN212309732U (en) * | 2020-04-07 | 2021-01-08 | 黑龙江沃坤农业科技有限公司 | Grinder is used in organic fertilizer processing |
-
2021
- 2021-01-21 CN CN202110081829.9A patent/CN112879898A/en active Pending
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| CN104990084A (en) * | 2015-05-25 | 2015-10-21 | 山东百川同创能源有限公司 | Treatment technology for biomass solid waste and hazardous waste |
| KR20160139267A (en) * | 2015-05-27 | 2016-12-07 | 조혁상 | High Efficiency Pellet Boiler |
| CN207407363U (en) * | 2017-10-25 | 2018-05-25 | 河北蓝烽锅炉压力容器制造有限公司 | WNS series of biologic matter boilers |
| CN208390110U (en) * | 2018-04-24 | 2019-01-18 | 郑州远东耐火材料有限公司 | Raw mill plant is used in a kind of production of zirconia-corundum refractory brick |
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| CN108543733A (en) * | 2018-06-01 | 2018-09-18 | 董雪艳 | A kind of medical medicinal material cleaning grinding device |
| CN108626720A (en) * | 2018-07-21 | 2018-10-09 | 山东多乐新能源科技有限责任公司 | A kind of boiler to be burnt using biological particles |
| CN208859594U (en) * | 2018-09-03 | 2019-05-14 | 中材节能股份有限公司 | A kind of biomass power generation combustion furnace with function of fuel gas purification |
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| CN211650726U (en) * | 2019-12-29 | 2020-10-09 | 无锡华东锡锋锅炉科技有限公司 | Energy-saving emission-reducing boiler |
| CN212309732U (en) * | 2020-04-07 | 2021-01-08 | 黑龙江沃坤农业科技有限公司 | Grinder is used in organic fertilizer processing |
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