CN215100657U - Storage system for coupling coal burner unit with biomass power generation system - Google Patents
Storage system for coupling coal burner unit with biomass power generation system Download PDFInfo
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- CN215100657U CN215100657U CN202121294093.5U CN202121294093U CN215100657U CN 215100657 U CN215100657 U CN 215100657U CN 202121294093 U CN202121294093 U CN 202121294093U CN 215100657 U CN215100657 U CN 215100657U
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Abstract
The application discloses used storage system of coupling biomass power generation system is organized to coal fired machine, and storage system includes: the storage bin is used for storing biomass particles; the pneumatic conveying device is arranged at the bottom of the storage bin and is used for conveying biomass particles; and the disc feeding device is arranged between the storage bin and the pneumatic conveying device and is used for conveying the biomass particles from the storage bin to the pneumatic conveying device. This storage system is through utilizing the storage silo to save biomass particles, utilizes pneumatic conveyor to carry biomass particles to utilize disc feeder to carry biomass particles to pneumatic conveyor from the storage silo, realized biomass particles's storage and mechanized feeding, avoided the tedious manual labor of manual feed, saved the cost of labor.
Description
Technical Field
The application relates to the technical field of new energy, in particular to a storage system for a coupling biomass power generation system of a coal burner group.
Background
The biomass fuel is prepared by burning biomass materials as fuel, and is mainly agricultural and forestry waste (such as straw, sawdust, bagasse, rice chaff and the like). Mainly distinguished from fossil fuels. In the current national policy and environmental protection standard, the direct combustion biomass belongs to a high-pollution fuel, is only used in a rural large stove and is not allowed to be used in a city. The application of Biomass Fuel, which is actually mainly Biomass building Fuel (BMF), is a novel clean Fuel which is prepared by using agricultural and forestry wastes as raw materials and performing the processes of crushing, mixing, extruding, drying and the like to prepare various moldings (such as blocks, particles and the like) and can be directly combusted.
The biomass fuel can replace fossil fuel to generate electricity, but the physical and chemical properties of the biomass fuel are different from those of the fossil fuel, and the biomass fuel power generation system cannot continue to use the original storage system of the fossil fuel.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a storage system for a coal burner unit coupled biomass power generation system, so as to at least solve the problem that the existing fossil fuel storage system cannot store biomass fuel.
The technical scheme of the application is as follows:
according to a first aspect of embodiments of the present application, there is provided a storage system for a coal fired unit coupled biomass power generation system, the storage system may include:
the storage bin is used for storing biomass particles;
the pneumatic conveying device is arranged at the bottom of the storage bin and is used for conveying biomass particles;
and the disc feeding device is arranged between the storage bin and the pneumatic conveying device and is used for conveying the biomass particles from the storage bin to the pneumatic conveying device.
Further, the bottom of the storage bin is funnel-shaped, and a small opening end of the funnel-shaped bottom can be arranged above a disc of the disc feeding device.
Further, a valve can be arranged at the small end of the funnel-shaped bottom;
the valve is used for controlling the flow of biomass particles falling on the disc of the disc feeding device.
Further, the top of the storage bin can be provided with an explosion-proof door.
Further, a discharge port of the disc feeding device can be provided with a sampling device;
the sampling device is used for sampling biomass particles.
Further, the sampling device can include a sampling pipeline horizontally arranged at the discharge port of the disc feeding device and a sampling auger blade arranged in the sampling pipeline, the sampling auger blade is connected with the motor, and the sampling pipeline is communicated with the discharge port of the disc feeding device.
Further, the pneumatic conveying device can comprise a bin pump, the bin pump is arranged at a discharge hole of the disc feeding device, and a feed inlet of the bin pump is communicated with the discharge hole of the disc feeding device.
Further, the stock system may further include: a dust detection device and a combustible gas detection device;
and a dust measuring point of the dust detection device and a combustible gas measuring point of the combustible gas detection device are arranged in the storage bin.
Further, the stock system may further include: a temperature detection device and a pressure detection device;
the storage bin is internally provided with a temperature measuring point of a temperature detecting device and a pressure measuring point of a pressure detecting device.
Further, the stock system may further include: a fire-proof spraying device;
the output end of the fireproof spraying device is arranged above the storage bin.
The technical scheme provided by the embodiment of the application at least has the following beneficial effects:
the storage system of the embodiment of the application stores the biomass particles by utilizing the storage bin, the biomass particles are conveyed by utilizing the pneumatic conveying device, the biomass particles are conveyed to the pneumatic conveying device from the storage bin by utilizing the disc feeding device, the storage and the mechanical feeding of the biomass particles are realized, the heavy manual labor of manual feeding is avoided, and the labor cost is saved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application and are not to be construed as limiting the application.
FIG. 1 is a schematic illustration of a storage system for a coal fired unit coupled biomass power generation system according to an exemplary embodiment;
FIG. 2 is a schematic diagram of a stockpiling system for a coal fired unit coupled biomass power generation system, according to one embodiment.
Detailed Description
In order to make the technical solutions of the present application better understood by those of ordinary skill in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
In a first aspect of embodiments of the present disclosure, as shown in fig. 1, there is provided a stockpiling system for a coal fired unit coupled biomass power generation system, the stockpiling system may include:
the storage bin is used for storing biomass particles;
the pneumatic conveying device is arranged at the bottom of the storage bin and is used for conveying biomass particles;
and the disc feeding device is arranged between the storage bin and the pneumatic conveying device and is used for conveying the biomass particles from the storage bin to the pneumatic conveying device.
In some optional embodiments of the present application, the bottom of the storage bin is funnel-shaped, and a small end of the funnel-shaped bottom may be disposed above a disc of the disc feeding device.
According to the storage system, the storage bin is used for storing the biomass particles, the pneumatic conveying device is used for conveying the biomass particles, and the disc feeding device is used for conveying the biomass particles to the pneumatic conveying device from the storage bin, so that the storage and the mechanical feeding of the biomass particles are realized, the heavy manual labor of manual feeding is avoided, and the labor cost is saved.
In some optional embodiments of the present application, the small end of the funnel-shaped bottom may be provided with a valve; the valve is used for controlling the flow of biomass particles falling on the disc of the disc feeding device. Thereby controlling the addition amount of biomass particles of the whole coal burner group coupled with the biomass power generation system.
In some alternative embodiments of the present application, the storage bin top may be provided with an explosion vent. Prevent that the too big explosion that leads to of storage silo internal pressure.
In some optional embodiments of the present application, the discharge port of the disc feeding device may be provided with a sampling device; the sampling device is used for sampling biomass particles. The device is used for timely extracting biomass particles and calculating the combustion efficiency of the biomass particles, and then controlling and adjusting the generated energy.
In some optional embodiments of the present application, the sampling device may include a sampling pipe horizontally disposed at the discharge port of the disc feeding device and a sampling auger blade disposed in the sampling pipe, the sampling auger blade is connected to the motor, and the sampling pipe is communicated with the discharge port of the disc feeding device.
Sampling device, it includes sampling unit and storage unit, sampling unit includes that the level locates the sample pipeline of disc feeder lower part and locates the sample auger blade in the sample pipeline, sample auger blade links to each other with the motor, and sample pipeline is linked together with the discharging pipe, and in this embodiment, be connected through steel wire hose between sample pipeline and the discharging pipe. The biomass particle unloading process has intermittence, namely after one tank truck finishes unloading, the next tank truck unloads. Carry out reasonable setting to the action time of sample auger blade, guarantee again after the living beings granule in the interim storage silo is less than the sampling pipe and continue to rotate for a moment, prevent to remain the sample of current batch in the sampling pipe. When each batch of finished product materials is obtained, the sampling auger blade rotates to ensure that the sampled products are representative, and the stable control of finished product quality detection is realized.
The discharging pipe is a telescopic pipe, a telescopic control cylinder is arranged on the discharging pipe, in the embodiment, the discharging pipe is a two-section type telescopic pipe (namely two pipes which can slide relatively are sleeved together, a sealing device is arranged between the two pipes), a cylinder barrel and a cylinder rod of the telescopic control cylinder are fixed together with one section of pipe of the two-section type telescopic pipe respectively, and the telescopic control cylinder can realize the telescopic operation of the discharging pipe. In this embodiment, flexible control cylinder is equipped with two, and the symmetry is located the discharging pipe both sides.
The vertical setting of discharging pipe can stretch out and draw back under flexible control cylinder effect, and the flexible volume of control discharging pipe, in the discharge gate of discharging pipe can get into storage appearance jar, in addition, the discharging pipe is the infundibulate in discharge gate department, prevents that the discharge gate of discharging pipe from leading to the fact the material to scatter when storage appearance jar distance is too big in other storage appearance jars.
The sample storage tank comprises a rotation control cylinder, a disc pushing device, a rotating shaft, a ratchet wheel and a sample storage disc, the disc pushing device comprises a disc pushing device body and a push rod which are horizontally arranged, the push rod is horizontally arranged on the disc pushing device body, the push rod is arranged on the disc pushing device body through a fixing seat, and the disc pushing device body is provided with a fixing seat mounting hole for mounting the fixing seat; the lower end of the rotating shaft is arranged on the bearing seat, the disc pusher body is sleeved on the rotating shaft through a rotating shaft mounting hole, and a bearing is arranged between the disc pusher body and the rotating shaft; one end of the rotation control cylinder is hinged with the disc pusher body (connected through a cylinder connecting hole), and the other end of the rotation control cylinder is hinged with the upright post; the rotating shaft is coaxially and fixedly provided with a ratchet wheel, in the embodiment, the ratchet wheel is welded at the top end of the rotating shaft, and the ratchet wheel is matched with the push rod to form a ratchet wheel and pawl mechanism; a sample storage plate is coaxially arranged above the ratchet wheel and fixedly connected with the ratchet wheel, a plurality of sample storage tanks are uniformly arranged on the sample storage plate in the circumferential direction, and the number of the sample storage tanks is the same as that of ratchet wheel teeth in the ratchet wheel; the discharge hole of the discharge pipe is positioned right above the sample storage tank. Because the ratchet teeth are the same as the sample storage tanks in number, the ratchet wheel and the sample storage plate rotate by the same angle when the rotation control cylinder moves once, and the ratchet teeth and the sample storage tanks move to the positions of the adjacent ratchet teeth and the sample storage tanks together, so that the sample storage tanks are ensured to be positioned under the discharge pipe.
As a construction mode of the ratchet wheel and pawl mechanism, an elastic substance is arranged between the bearing and the disc pushing device body, and the elastic substance is spring rubber. When the push rod resets after dialing the ratchet and rotating a position under the action of the rotation control cylinder, the push rod moves along the smooth tooth back of the ratchet teeth, the ratchet compresses the spring rubber under the action of the push rod, the ratchet relatively displaces relative to the rotating shaft, and when the push rod is separated from the tooth back of the ratchet teeth, the ratchet returns to the original position, and the push rod can clamp the front of the ratchet teeth. Under the condition that the push rod can stir the ratchet teeth, the length is designed to be as small as possible, the tooth backs of the ratchet teeth are designed to be smooth, and in addition, the mass of the disc pushing device body is relatively large, so that the ratchet can be prevented from rotating when the push rod is reset.
As another constitution of the ratchet wheel and pawl mechanism, the push rod is movably arranged on the disc pushing device body through a fixed seat, and a pressure spring is arranged between the ejector head of the push rod and the fixed seat. When the push rod resets after dialing the ratchet and rotating a position under the action of the rotation control cylinder, the push rod moves along the smooth tooth back of the ratchet teeth, the push rod gradually retracts along the change of the tooth back arc, and after the push rod is separated from the ratchet teeth, the push rod rebounds to the original length under the action of the pressure spring and can block the front side of the ratchet teeth.
In this embodiment, the ratchet links firmly together through four sleeve pipe supporting bolt with storing up the appearance dish, and sleeve pipe supporting bolt includes that bolt and cover establish the sleeve pipe on the bolt, and the ratchet wears to locate on the bolt and locates the sleeve pipe both sides respectively with storing up the appearance dish, fastens it through the nut. The ratchet wheel is provided with a ratchet wheel mounting hole, the sample storage disc is provided with a corresponding sample storage disc mounting hole, and the sleeve supporting bolt fastens the ratchet wheel 15 and the sample storage disc through the ratchet wheel mounting hole and the sample storage disc mounting hole.
Sampling device, still be provided with PLC the control unit, flexible control cylinder, rotation control cylinder and motor respectively with PLC control system electric connection, chain control procedure and sampling unit and storage unit's through PLC the control system mechanical principle, the sampling function has been realized, finished product sample work and packing work after drying the persulfate, pile up neatly work goes on simultaneously, the not representative risk of sample that the human factor that has eliminated the back sampling test of packing leads to, the finished product quality of detection is more comprehensive, avoided artifical sample to waste time and energy, company's manufacturing cost has been practiced thrift. Through the action of the rotation control cylinder once, a series of actions of the disc pushing device, the ratchet wheel and the sample storage disc can be controlled in a linkage mode, the design is exquisite, and the practicability is high.
Still including the sampling case, be provided with the lock on the sampling case, storage device sets up in the sampling case, and the sampling case is two-layer about divideing into, and stand and bearing frame set firmly in upper bottom, and electronic control equipment such as PLC control system sets up in the lower floor. Through setting up storage device in the sampling case and design the lock on the sampling case, guarantee to take out the fairness that the sample is not polluted and take a sample.
In some optional embodiments of the present application, the pneumatic conveying device may include a bin pump, the bin pump is disposed at the discharge port of the disc feeding device, and the feed port of the bin pump is communicated with the discharge port of the disc feeding device.
The pneumatic conveying device also comprises a double-sleeve pneumatic conveying unit, a feed inlet of the double-sleeve pneumatic conveying unit is connected with a discharge outlet of a bin pump discharge valve, a discharge outlet of the double-sleeve pneumatic conveying unit is communicated with a feed inlet of an operation unit of a biomass power generation system coupled with a coal burner group, the double-sleeve pneumatic conveying unit comprises a pneumatic ash conveying main pipe and an inner bypass pipe sleeved in the pneumatic ash conveying main pipe, airflow inlets and outlets are arranged on the inner bypass pipe in an axially staggered and spaced mode, air replenishing manifolds directly connected with the inner bypass pipe and pressure detection devices respectively arranged on corresponding pipe sections and with the air replenishing manifolds are arranged in the length direction of the double-sleeve pneumatic conveying unit in a spaced mode, and air replenishing operation of each air replenishing manifold section is controlled according to the pressure detection devices on the corresponding pipe sections.
In order to avoid the phenomenon that the temperature of the ash gas in the bin pump and the double-sleeve pneumatic conveying unit is reduced to be higher than the dew point temperature and the pipe is blocked due to scaling, ash gas heat preservation facilities are respectively arranged on the bin pump and the double-sleeve pneumatic conveying unit, for example, an incomplete winding copper pipe and a heat preservation material can be adopted on the outer wall of the bin pump, and steam is introduced into the copper pipe to realize heat preservation; and a steam pipeline and a heat insulation material are arranged on the outer wall of the double-sleeve pneumatic conveying unit in the same direction along the axial direction of the pipeline, so that heat insulation is realized.
In order to prevent dust from diffusing, the pneumatic conveying device also comprises a dust removal unit, an exhaust pipeline is connected between a clean air side channel of the dust removal unit and an inner cavity of the bin pump, and a pressure discharge purification device and a pressure equalizing valve are sequentially arranged on the exhaust pipeline along the exhaust direction from the bin pump to the dust removal unit. Specifically, the pressure discharge purification device adopts a gas filtration device; the purified gas outlet of the pressure-discharging purification device is connected with a back-blowing gas access pipe through a back-blowing valve.
Because the high ash-to-gas ratio of the biomass particles is discharged into the ash bin through the double-sleeve pneumatic conveying unit connected with the discharge valve, the abrasion problem of a pneumatic conveying pipeline can be effectively improved; secondly, as the precise air supply measure is adopted on the double-sleeve pneumatic conveying unit, the necessary power of pneumatic ash conveying is maintained under the condition of keeping higher ash-to-gas ratio, the biomass particles are prevented from being deposited inside the pipeline to cause blockage, and the problem of easy deposition and blockage during high ash-to-gas ratio pneumatic conveying is solved; in addition, owing to adopted novel dust removal unit voltage-sharing structure of unloading, both promoted the ash material and fallen into the storehouse pump inner chamber from the valve of unloading, owing to be equipped with the pressure relief purifier before the voltage-sharing valve door again simultaneously, consequently less through the dust content in the gas of voltage-sharing valve door, guaranteed the longer life of voltage-sharing valve door.
In some optional embodiments of the present application, the stocker system may further include: a dust detection device and a combustible gas detection device;
and a dust measuring point of the dust detection device and a combustible gas measuring point of the combustible gas detection device are arranged in the storage bin.
In some optional embodiments of the present application, the stocker system may further include: a temperature detection device and a pressure detection device;
the storage bin is internally provided with a temperature measuring point of a temperature detecting device and a pressure measuring point of a pressure detecting device.
In some optional embodiments of the present application, the stocker system may further include: a fire-proof spraying device;
the output end of the fireproof spraying device is arranged above the storage bin.
In one embodiment of the present application, as shown in fig. 2, there is provided a stockpiling system for a biomass power generation system coupled to a coal fired unit, the stockpiling system may include:
the storage bin is used for storing biomass particles, the bottom of the storage bin is funnel-shaped, a small opening end of the funnel-shaped bottom can be arranged above a disc of the disc feeding device, a valve can be arranged at the small opening end of the funnel-shaped bottom and used for controlling the flow of the biomass particles falling on the disc of the disc feeding device, and an explosion-proof door can be arranged at the top of the storage bin;
the pneumatic conveying device is arranged at the bottom of the storage bin and used for conveying biomass particles, the pneumatic conveying device can comprise a bin pump, the bin pump is arranged at the discharge port of the disc feeding device, and the feed port of the bin pump is communicated with the discharge port of the disc feeding device;
disc feeder, the setting is between storage silo and air conveyor, disc feeder is used for carrying the living beings granule to air conveyor from the storage silo, disc feeder's discharge gate can be provided with sampling device, sampling device is used for sampling the living beings granule, sampling device can locate the sample pipeline of disc feeder's discharge gate and locate the sample auger blade in the sample pipeline including the level, sample auger blade links to each other with the motor, sample pipeline communicates with disc feeder's discharge gate.
The output end of the fireproof spraying device is arranged above the storage bin.
The stock system may further comprise: the device comprises a dust detection device, a combustible gas detection device, a temperature detection device and a pressure detection device; the storage bin is internally provided with a temperature measuring point of a temperature detecting device, a pressure measuring point of a pressure detecting device, a dust measuring point of the dust detecting device and a combustible gas measuring point of the combustible gas detecting device.
According to the storage system, the storage bin is used for storing the biomass particles, the pneumatic conveying device is used for conveying the biomass particles, and the disc feeding device is used for conveying the biomass particles to the pneumatic conveying device from the storage bin, so that the storage and the mechanical feeding of the biomass particles are realized, the heavy manual labor of manual feeding is avoided, and the labor cost is saved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A storage system for a coal burner unit coupled biomass power generation system, comprising:
the storage bin is used for storing biomass particles;
the pneumatic conveying device is arranged at the bottom of the storage bin and is used for conveying biomass particles;
and the disc feeding device is arranged between the storage bin and the pneumatic conveying device and is used for conveying the biomass particles from the storage bin to the pneumatic conveying device.
2. The storage system according to claim 1, wherein the bottom of the storage bin is funnel-shaped, and the small end of the funnel-shaped bottom is arranged above the disc of the disc feeding device.
3. The stock system as defined in claim 2, wherein the small mouth end of the funnel-shaped bottom is provided with a valve;
the valve is used for controlling the flow rate of biomass particles falling on the disc of the disc feeding device.
4. The storage system according to claim 1, characterized in that the top of the storage bin is provided with an explosion-proof door.
5. The storing system as claimed in claim 1, wherein the discharge port of the disc feeding device is provided with a sampling device;
the sampling device is used for sampling biomass particles.
6. The storing system as claimed in claim 5, wherein the sampling device comprises a sampling pipeline horizontally arranged at the discharge port of the disc feeding device and a sampling auger blade arranged in the sampling pipeline, the sampling auger blade is connected with a motor, and the sampling pipeline is communicated with the discharge port of the disc feeding device.
7. The storing system according to claim 1, wherein the pneumatic conveying device comprises a bin pump, the bin pump is arranged at the discharge port of the disc feeding device, and the feed port of the bin pump is communicated with the discharge port of the disc feeding device.
8. The stock system according to any one of claims 1 to 7, further comprising: a dust detection device and a combustible gas detection device;
and a dust measuring point of the dust detection device and a combustible gas measuring point of the combustible gas detection device are arranged in the storage bin.
9. The stock system according to any one of claims 1 to 7, further comprising: a temperature detection device and a pressure detection device;
and a temperature measuring point of the temperature detecting device and a pressure measuring point of the pressure detecting device are arranged in the storage bin.
10. The stock system as set forth in claim 1, further comprising: a fire-proof spraying device;
the output end of the fireproof spraying device is arranged above the storage bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121294093.5U CN215100657U (en) | 2021-06-09 | 2021-06-09 | Storage system for coupling coal burner unit with biomass power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121294093.5U CN215100657U (en) | 2021-06-09 | 2021-06-09 | Storage system for coupling coal burner unit with biomass power generation system |
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| Publication Number | Publication Date |
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| CN215100657U true CN215100657U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121294093.5U Active CN215100657U (en) | 2021-06-09 | 2021-06-09 | Storage system for coupling coal burner unit with biomass power generation system |
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- 2021-06-09 CN CN202121294093.5U patent/CN215100657U/en active Active
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