CN113685836A - Pulverized coal adding device of thermal power generation equipment - Google Patents
Pulverized coal adding device of thermal power generation equipment Download PDFInfo
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- CN113685836A CN113685836A CN202110952806.0A CN202110952806A CN113685836A CN 113685836 A CN113685836 A CN 113685836A CN 202110952806 A CN202110952806 A CN 202110952806A CN 113685836 A CN113685836 A CN 113685836A
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- 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
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- 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
- F23K3/02—Pneumatic feeding arrangements, i.e. by air blast
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
本发明公开了一种火力发电设备的煤粉添加装置，包括混料室、添加单元、空气压缩机、炉体和排气单元，混料室设置有容置空间，包括与混料室同轴设置的立柱，立柱设置在容置空间内；添加单元包括安装座、进气管、转动座以及出气管，安装座设置有进气腔以及与进气腔连通的环形槽，转动座设置有过渡腔和开口，过渡腔通过开口与环形槽连通；空气压缩机的输出端与容置空间连通；炉体与混料室连通；炉体和混料室通过排气单元形成连通。本发明所述装置中的添加剂在进入混料室前，会随着转动座和出气管一起旋转，从而达到不同添加剂快速混合均匀的效果，进而在添加剂进入炉体时，能够让添加剂与煤粉混合的更加均匀，提高添加剂的利用率。
The invention discloses a pulverized coal adding device for thermal power generation equipment, comprising a mixing chamber, an adding unit, an air compressor, a furnace body and an exhaust unit. The installed upright column is arranged in the accommodating space; the adding unit includes a mounting seat, an air intake pipe, a rotating seat and an air outlet pipe, the mounting seat is provided with an air intake cavity and an annular groove communicating with the air intake cavity, and the rotating seat is provided with a transition cavity The transition cavity is communicated with the annular groove through the opening; the output end of the air compressor is communicated with the accommodating space; the furnace body is communicated with the mixing chamber; the furnace body and the mixing chamber are communicated through an exhaust unit. Before the additives in the device of the present invention enter the mixing chamber, they will rotate together with the rotating seat and the gas outlet pipe, so as to achieve the effect of rapid mixing of different additives and uniformity. The mixing is more uniform and the utilization rate of additives is improved.
Description
Technical Field
The invention relates to the technical field of thermal power generation, in particular to a pulverized coal adding device of thermal power generation equipment.
Background
Thermal power generation is a power generation mode which utilizes heat energy generated by combustible materials during combustion and converts the heat energy into electric energy through a power generation power device. In order to improve the comprehensive economic benefit, the thermal power generation should be carried out as close to the fuel base as possible.
The power plant is more and more focused on fuel utilization ratio and energy saving and emission reduction, and some additives are often added into the combustion furnace to ensure combustion efficiency in order to improve power generation benefits, but the existing addition mode can lead to the additive not being distributed uniformly enough and being incapable of fully contacting with pulverized coal, so that the additive cannot fully react at the first time, and the utilization ratio is low.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional pulverized coal feeding apparatus for a thermal power plant.
Therefore, the problem to be solved by the present invention is how to improve the rapid and uniform mixing of different additives.
In order to solve the technical problems, the invention provides the following technical scheme: a pulverized coal adding device of thermal power generation equipment comprises a mixing chamber, an adding unit, an air compressor, a furnace body and an exhaust unit, wherein the mixing chamber is internally provided with an accommodating space, an upright column is arranged in the accommodating space, and the upright column and the mixing chamber are coaxially arranged; the adding unit comprises a mounting seat, an air inlet pipe, a rotating seat and an air outlet pipe, wherein the mounting seat is mounted on the upright column, the air inlet pipe is communicated with the mounting seat, the rotating seat is rotatably connected with the mounting seat, the air outlet pipe is connected with the rotating seat, the mounting seat is provided with an air inlet cavity and an annular groove communicated with the air inlet cavity, the rotating seat is provided with a transition cavity and an opening, and the transition cavity is communicated with the annular groove through the opening; the output end of the air compressor is communicated with the accommodating space; the furnace body is communicated with the mixing chamber; and the furnace body and the mixing chamber are communicated through the exhaust unit.
As a preferable scheme of the pulverized coal adding apparatus of the thermal power generation equipment of the present invention, wherein: the exhaust unit comprises a connecting pipe, the connecting pipe is arranged between the accommodating space and the furnace body, one end of the connecting pipe is rotatably connected with the mixing chamber, and the other end of the connecting pipe is rotatably connected with the furnace body.
As a preferable scheme of the pulverized coal adding apparatus of the thermal power generation equipment of the present invention, wherein: the exhaust unit further comprises a stirring fan, and the stirring fan is located in the accommodating space and mounted at one end of the connecting pipe.
As a preferable scheme of the pulverized coal adding apparatus of the thermal power generation equipment of the present invention, wherein: the exhaust unit further comprises an exhaust pipe, the exhaust pipe is installed at the other end of the connecting pipe, and a plurality of exhaust ports are further formed in the exhaust pipe.
As a preferable scheme of the pulverized coal adding apparatus of the thermal power generation equipment of the present invention, wherein: the mixing chamber further comprises an air diffuser plate, the air diffuser plate is installed at the bottom of the mixing chamber and is further provided with a plurality of through holes, and the through holes are communicated with the output end of the air compressor.
As a preferable scheme of the pulverized coal adding apparatus of the thermal power generation equipment of the present invention, wherein: at least one through hole is arranged on any radius of the air diffuser plate.
As a preferable scheme of the pulverized coal adding apparatus of the thermal power generation equipment of the present invention, wherein: the outlet duct includes first pipe and second pipe, first pipe with the second pipe sets up perpendicularly, first pipe with rotate the seat intercommunication, the second pipe with first pipe dorsad is from the one end intercommunication of rotating the seat.
As a preferable scheme of the pulverized coal adding apparatus of the thermal power generation equipment of the present invention, wherein: the adding unit further comprises inclined plates, the inclined plates and the air outlet pipe are respectively distributed on two opposite sides of the rotating seat, and the inclined directions of the inclined plates in the adjacent adding units are opposite.
As a preferable scheme of the pulverized coal adding apparatus of the thermal power generation equipment of the present invention, wherein: the adding units are arranged in a plurality and are sequentially arranged along the axial direction of the upright post.
As a preferable scheme of the pulverized coal adding apparatus of the thermal power generation equipment of the present invention, wherein: and a sealing sleeve is arranged between the upright post and the mounting seat, and a sealing sleeve is arranged between the upright post and the rotating seat.
The device has the advantages that the additive is added through the air inlet pipe, various additives enter the mounting seat through different air inlet pipes respectively, then enter the mixing chamber through the rotary seat and the air outlet pipe, the various additives are uniformly mixed in the mixing chamber, and the uniformly mixed additives are conveyed into the furnace body along the exhaust assembly by the air compressor to be mixed with the pulverized coal. The additive in the device can rotate along with the rotating seat and the air outlet pipe before entering the mixing chamber, so that the effect of quickly and uniformly mixing different additives is achieved, the additive and pulverized coal can be mixed more uniformly when entering the furnace body, and the utilization rate of the additive is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view of a pulverized coal adding apparatus of a thermal power plant.
Fig. 2 is a schematic diagram of an addition component of a pulverized coal addition device of a thermal power plant.
Fig. 3 is a schematic view of a mount of a pulverized coal adding device of a thermal power plant.
Fig. 4 is a schematic view of a rotary base of the pulverized coal adding device of the thermal power generation apparatus.
Fig. 5 is a top sectional view of a rotary base of the pulverized coal adding device of the thermal power generation facility.
Fig. 6 is a schematic diagram of an exhaust unit of the pulverized coal adding device of the thermal power generation plant.
Fig. 7 is a schematic view of a diffuser plate of a pulverized coal adding device of a thermal power plant.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, a first embodiment of the present invention provides a pulverized coal adding apparatus of a thermal power plant, which includes a mixing chamber 100, an adding unit 200, an air compressor 300, a furnace body 400, and an exhaust unit 500.
An accommodating space M is arranged in the mixing chamber 100, a vertical column 101 is arranged in the accommodating space M, and the vertical column 101 and the mixing chamber 100 are coaxially arranged.
Add unit 200 and include mount pad 201, intake pipe 202, rotate seat 203 and outlet duct 204, mount pad 201 is installed on stand 101, intake pipe 202 with mount pad 201 intercommunication, rotate seat 203 with mount pad 201 rotates and connects, outlet duct 204 with rotate seat 203 and connect, mount pad 201 be provided with air inlet chamber N and with the ring channel O of air inlet chamber N intercommunication, it is provided with transition chamber P and opening Q to rotate seat 203, transition chamber P pass through opening Q with ring channel O intercommunication.
An air compressor 300 having an output end communicating with the accommodating space M.
The furnace body 400 is communicated with the mixing chamber 100.
The exhaust unit 500, the furnace body 400 and the mixing chamber 100 are communicated through the exhaust unit 500.
When the coal powder mixing device is used, additives are added through the air inlet pipe 202, multiple additives enter the mounting seat 201 through different air inlet pipes 202 respectively, then enter the mixing chamber 100 through the rotating seat 203 and the air outlet pipe 204, the multiple additives are uniformly mixed in the mixing chamber 100, and the uniformly mixed additives are sent into the furnace body 400 along the exhaust unit 500 by the air compressor 300 to be mixed with coal powder. The additive in the pulverized coal adding device of the thermal power generation equipment can rotate along with the rotating seat 203 and the air outlet pipe 204 before entering the mixing chamber 100, so that the effect of quickly and uniformly mixing different additives is achieved, and further, when the additive enters the furnace body 400, the additive and pulverized coal can be mixed more uniformly, and the utilization rate of the additive is improved.
Example 2
Referring to fig. 1 to 6, a second embodiment of the present invention is different from the first embodiment.
Specifically, the exhaust unit 500 includes a connecting pipe 501, the connecting pipe 501 is disposed between the accommodating space M and the furnace body 400, one end of the connecting pipe is rotatably connected to the mixing chamber 100, and the other end of the connecting pipe is rotatably connected to the furnace body 400.
Further, the exhaust unit 500 further includes a stirring fan 502, and the stirring fan 502 is located in the accommodating space M and is installed at one end of the connection pipe 501; when the stirring fan 502 works, the wind in the accommodating space M can be made to rotate, and the rotating wind has gathering property, i.e. the gas is gathered to the middle position.
Preferably, the exhaust unit 500 further includes an exhaust pipe 503, the exhaust pipe 503 is mounted at the other end of the connection pipe 501, and a plurality of exhaust ports 503a are further provided; when the uniformly mixed additive enters the furnace body 400 along the exhaust pipe 503, the additive enters the furnace body 400 from the plurality of exhaust ports 503a, and at the moment, the additive can be fully contacted with the pulverized coal, so that the utilization rate of the additive is improved.
When the coal powder mixing device is used, additives are added through the air inlet pipe 202, a plurality of additives enter the mounting seat 201 through different air inlet pipes 202 respectively, then enter the mixing chamber 100 through the rotating seat 203 and the air outlet pipe 204, the plurality of additives are uniformly mixed in the mixing chamber 100, and the uniformly mixed additives are sent into the furnace body 400 along the exhaust unit 500 by the air compressor 300 to be mixed with coal powder; specifically, in the additive got into accommodation space M through connecting pipe 501, stirring fan 502 work, can make the wind rotation in the accommodation space M, and rotatory wind all has the nature of gathering together, makes gaseous toward the intermediate position and assembles promptly, and the additive of misce bene mixes with the buggy in getting into furnace body 400 from a plurality of gas vents 503a respectively. The additive in the pulverized coal adding device of the thermal power generation equipment can rotate along with the rotating seat 203 and the air outlet pipe 204 before entering the mixing chamber 100, so that the effect of quickly and uniformly mixing different additives is achieved, and further, when the additive enters the furnace body 400, the additive and pulverized coal can be mixed more uniformly, and the utilization rate of the additive is improved.
Example 3
Referring to fig. 1 to 7, a third embodiment of the present invention is different from the first two embodiments: .
Specifically, the mixing chamber 100 further comprises an air diffuser plate 102, the air diffuser plate 102 is installed at the bottom of the mixing chamber 100 and is further provided with a plurality of through holes 102a, and the plurality of through holes 102a are communicated with the output end of the air compressor 300; dividing the air flow from the air compressor 300 into multiple streams may disturb the air flow at the bottom of the mixing chamber 100, thereby allowing for rapid mixing of different additives.
Further, at least one through hole 102a is arranged on any radius of the air diffuser plate 102; this ensures that the gas injected from the air compressor 300 acts on the inclined plate 205 regardless of the position of the inclined plate 205 in the mixing chamber 100, thereby ensuring that the rotary base 203 can rotate stably. Referring to fig. 7, a portion of the radius of the air diffuser plate 102 is shown, and each radius of the air diffuser plate 102 has at least one through hole 102 a.
Preferably, the outlet pipe 204 comprises a first pipe 204a and a second pipe 204b, the first pipe 204a and the second pipe 204b are vertically arranged, the first pipe 204a is communicated with the rotating seat 203, and the second pipe 204b is communicated with one end of the first pipe 204a, which is far away from the rotating seat 203; the second pipe 204b is arranged to allow the additive to enter along the edge of the mixing chamber 100 and to be mixed with other additives while converging toward the center, thereby allowing the additives to be mixed more uniformly.
Preferably, the adding unit 200 further comprises inclined plates 205, the inclined plates 205 and the air outlet pipe 204 are respectively distributed on two opposite sides of the rotating seat 203, and the inclined directions of the inclined plates 205 in the adjacent adding units 200 are opposite; on the one hand, inclined plate 205 is when bearing the air current that air compressor 300 insufflates in mixing chamber 100, and the air current that utilizes air compressor 300 to form can drive to rotate seat 203 to thrust, and on the other hand, pivoted inclined plate 205 has the effect of disturbing to the air current to make the additive can be mixed together, recycle stirring fan 502 stirring. The rotating seat 203 disclosed in this embodiment mainly has two power sources, one is a reaction force formed by the gas on the wall of the first pipe 204a when the gas enters the mixing chamber 100 along the second pipe 204b (the diameter of the second pipe 204b can be smaller than that of the first pipe 204a to increase the force for attack), and the other is a thrust force generated by the high-pressure gas in the air compressor 300 on the inclined plate 205.
Specifically, a plurality of adding units 200 are provided and are sequentially arranged along the axial direction of the upright column 101; the second pipes 204b in the two adjacent groups of adding units 200 are opposite to the first pipes 204a in direction, and the rotating directions of the rotating seats 203 in the two adjacent groups of adding units 200 are opposite; this enables the additive to be mixed more rapidly and uniformly.
Further, a sealing sleeve L1 is arranged between the upright 101 and the mounting seat 201, and a sealing sleeve L2 is arranged between the upright 101 and the rotating seat 203; this improves the sealing property and prevents the additive from flowing out along the gap between the rotating seat 203 and the column 101, thereby ensuring that the additive has a sufficient reaction force against the first pipe 204a when flowing out along the second pipe 204 b.
When the air mixing device is used, additives are added through the air inlet pipe 202, a plurality of additives enter the mounting seat 201 through different air inlet pipes 202 respectively, and then enter the mixing chamber 100 through the rotating seat 203 and the air outlet pipe 204, the plurality of additives are uniformly mixed in the mixing chamber 100, the air flow of the air compressor 300 is divided into a plurality of air flows by the air dispersing plate 102, the air flow at the bottom of the mixing chamber 100 can be disturbed, and then different additives can be quickly mixed; the uniformly mixed additive is sent into the furnace body 400 along the exhaust unit 500 to be mixed with the pulverized coal; specifically, in the additive got into accommodation space M through connecting pipe 501, stirring fan 502 work, can make the wind rotation in the accommodation space M, and rotatory wind all has the nature of gathering together, makes gaseous toward the intermediate position and assembles promptly, and the additive of misce bene mixes with the buggy in getting into furnace body 400 from a plurality of gas vents 503a respectively. The additive in the pulverized coal adding device of the thermal power generation equipment can rotate along with the rotating seat 203 and the air outlet pipe 204 before entering the mixing chamber 100, so that the effect of quickly and uniformly mixing different additives is achieved, and further, when the additive enters the furnace body 400, the additive and pulverized coal can be mixed more uniformly, and the utilization rate of the additive is improved.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a coal powder of thermal power equipment adds device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the mixing chamber (100) is internally provided with an accommodating space (M), an upright post (101) is arranged in the accommodating space (M), and the upright post (101) and the mixing chamber (100) are coaxially arranged;
the adding unit (200) comprises a mounting seat (201), an air inlet pipe (202), a rotating seat (203) and an air outlet pipe (204), wherein the mounting seat (201) is mounted on the upright post (101), the air inlet pipe (202) is communicated with the mounting seat (201), the rotating seat (203) is rotatably connected with the mounting seat (201), the air outlet pipe (204) is connected with the rotating seat (203), the mounting seat (201) is provided with an air inlet cavity (N) and an annular groove (O) communicated with the air inlet cavity (N), the rotating seat (203) is provided with a transition cavity (P) and an opening (Q), and the transition cavity (P) is communicated with the annular groove (O) through the opening (Q);
an air compressor (300) having an output end communicating with the accommodating space (M);
a furnace body (400) communicated with the mixing chamber (100); and the number of the first and second groups,
an exhaust unit (500), through which the furnace body (400) and the mixing chamber (100) are communicated.
2. The pulverized coal adding device of a thermal power plant as set forth in claim 1, characterized in that: the exhaust unit (500) comprises a connecting pipe (501), the connecting pipe (501) is arranged between the accommodating space (M) and the furnace body (400), one end of the connecting pipe is rotatably connected with the mixing chamber (100), and the other end of the connecting pipe is rotatably connected with the furnace body (400).
3. The pulverized coal adding device of a thermal power plant as set forth in claim 2, characterized in that: the exhaust unit (500) further comprises a stirring fan (502), wherein the stirring fan (502) is positioned in the accommodating space (M) and is installed at one end of the connecting pipe (501).
4. The pulverized coal adding device of a thermal power plant as set forth in claim 3, characterized in that: the exhaust unit (500) further includes an exhaust pipe (503), and the exhaust pipe (503) is installed at the other end of the connection pipe (501), and is further provided with a plurality of exhaust ports (503 a).
5. The pulverized coal adding device for thermal power generation equipment according to any one of claims 1 to 4, characterized in that: the mixing chamber (100) further comprises an air diffuser plate (102), the air diffuser plate (102) is installed at the bottom of the mixing chamber (100) and is further provided with a plurality of through holes (102a), and the through holes (102a) are communicated with the output end of the air compressor (300).
6. The pulverized coal adding device of a thermal power plant as set forth in claim 5, characterized in that: at least one through hole (102a) is arranged on any radius of the air diffuser plate (102).
7. The pulverized coal adding device for thermal power generation equipment according to any one of claims 1 to 4 and 6, characterized in that: the air outlet pipe (204) comprises a first pipe (204a) and a second pipe (204b), the first pipe (204a) and the second pipe (204b) are vertically arranged, the first pipe (204a) is communicated with the rotating seat (203), and the second pipe (204b) is communicated with one end, deviating from the rotating seat (203), of the first pipe (204 a).
8. The pulverized coal adding device of a thermal power plant as set forth in claim 7, characterized in that: the adding unit (200) further comprises inclined plates (205), the inclined plates (205) and the air outlet pipe (204) are respectively distributed on two opposite sides of the rotating seat (203), and the inclined directions of the inclined plates (205) in the adjacent adding units (200) are opposite.
9. The pulverized coal adding device for thermal power generation equipment according to any one of claims 1 to 4, 6, or 8, characterized in that: the adding units (200) are arranged in a plurality and are sequentially arranged along the axial direction of the upright post (101).
10. The pulverized coal adding device of a thermal power plant as set forth in claim 9, characterized in that: a sealing sleeve (L1) is arranged between the upright post (101) and the mounting seat (201), and a sealing sleeve (L2) is arranged between the upright post (101) and the rotating seat (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110952806.0A CN113685836B (en) | 2021-08-19 | 2021-08-19 | A pulverized coal adding device for thermal power generation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110952806.0A CN113685836B (en) | 2021-08-19 | 2021-08-19 | A pulverized coal adding device for thermal power generation equipment |
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| CN113685836A true CN113685836A (en) | 2021-11-23 |
| CN113685836B CN113685836B (en) | 2023-09-26 |
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| CN209020309U (en) * | 2018-07-26 | 2019-06-25 | 宁波一品生物技术有限公司 | High speed powder stirring machine convenient to use |
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| CN209997519U (en) * | 2019-04-29 | 2020-01-31 | 天津生泰源生物科技有限公司 | feed additive mixing device |
| CN113181800A (en) * | 2021-05-08 | 2021-07-30 | 崔伟庆 | Raw material homogenizing system for cement production |
| CN113234495A (en) * | 2021-06-10 | 2021-08-10 | 河北益普莱环保科技有限公司 | Novel fountain ammonium sulfate saturator |
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2021
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| GB479208A (en) * | 1935-10-03 | 1938-02-02 | Electricite De Paris Soc D | Rotary mixer for pulverized coal burners |
| GB1421517A (en) * | 1973-02-02 | 1976-01-21 | Interliz Anstalt | Apparatus for whirling-up a powdery or granular material in a vessel and for blowing it out of this vessel ready-to-eat cereal |
| US5603566A (en) * | 1995-11-21 | 1997-02-18 | Abb Flexible Automation Inc. | Powder hopper with internal air assist |
| CN105286049A (en) * | 2015-12-05 | 2016-02-03 | 重庆特驱饲料有限公司 | Rotary distributor system |
| CN206103847U (en) * | 2016-09-30 | 2017-04-19 | 扬州大学 | Multiple spot supersound that is used for wood plastic composite strength is whitewashed equipment thoughtlessly |
| CN208773856U (en) * | 2018-07-26 | 2019-04-23 | 徐州辛辛那提新型材料有限公司 | A kind of energy-saving vertical batch mixer of good mixing effect |
| CN209020309U (en) * | 2018-07-26 | 2019-06-25 | 宁波一品生物技术有限公司 | High speed powder stirring machine convenient to use |
| CN209530657U (en) * | 2019-01-28 | 2019-10-25 | 厦门唯康食品科技有限公司 | One kind being convenient for the uniform food additives mixing device of mixing |
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| CN113234495A (en) * | 2021-06-10 | 2021-08-10 | 河北益普莱环保科技有限公司 | Novel fountain ammonium sulfate saturator |
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| Publication number | Publication date |
|---|---|
| CN113685836B (en) | 2023-09-26 |
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Application publication date: 20211123 Assignee: Xing'an Thermal Power Co.,Ltd. Assignor: Baotou No.3 thermal power plant of North United Power Co.,Ltd. Contract record no.: X2024980028324 Denomination of invention: A coal powder addition device for thermal power generation equipment Granted publication date: 20230926 License type: Common License Record date: 20241126 |
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