CN208431781U - A kind of boiler sludge co-combustion system - Google Patents

A kind of boiler sludge co-combustion system Download PDF

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Publication number
CN208431781U
CN208431781U CN201821005082.9U CN201821005082U CN208431781U CN 208431781 U CN208431781 U CN 208431781U CN 201821005082 U CN201821005082 U CN 201821005082U CN 208431781 U CN208431781 U CN 208431781U
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China
Prior art keywords
sludge
conveyer belt
boiler
storage bin
combustion system
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CN201821005082.9U
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Inventor
王明传
李德波
冯炳全
周小川
蒋勇军
徐兵
刘少杰
胡波
冯永新
湛志钢
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China Southern Power Grid Power Technology Co Ltd
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Guangdong Electric Power Design Institute
Guangdong Power Grid Co Ltd
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Abstract

The utility model discloses a kind of boiler sludge co-combustion systems, including hopper, storage bin, the first oscillating feeder, the second oscillating feeder, first conveyer belt and the second conveyer belt.Hopper is used to collect the sludge that dummy car transport comes;First conveyer belt is for transporting sludge to storage bin;Storage bin is for storing sludge, the discharge port connection of feeding inlet and first conveyer belt;Second is used for conveyer belt in sludge is transported to boiler of power plant;First oscillating feeder and the second oscillating feeder are used for rationed sludge, and the first oscillating feeder is set between hopper discharge port and first conveyer belt feeding inlet, and the second oscillating feeder is set between storing bin discharge port external and the second conveyer belt feeding inlet.Boiler sludge co-combustion system disclosed by the utility model can unload sludge in discharging storage workshop, and finally transport sludge and mix burning into boiler, complete the integrated process of sludge unloading, storage and feeding.

Description

A kind of boiler sludge co-combustion system
Technical field
The utility model relates to sludge blending and burning technology fields, more specifically to a kind of boiler sludge co-combustion system.
Background technique
Sewage treatment plant can generate a large amount of sludge during handling sewage, and sludge, which carries out landfill, can generate secondary dirt Dye, and after sludge and fire coal are carried out mixed burning according to a certain percentage, dioxin, nitrogen oxides, sulfide and the lead of discharge, The pollutants such as cadmium, mercury are less;It simultaneously during burning, can be generated electricity using the calorific value of sludge, realize solid waste The recovery energy of object solves the problems, such as sludge bulk deposition.
In conclusion sludge can be mixed the boiler sludge co-combustion system burnt in boiler of power plant by how providing one kind, it is Those skilled in the art's urgent problem to be solved at present.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of boiler sludge co-combustion system, it can be by sewage treatment plant The sludge of generation is transported to the coal handling system of power plant, and is finally transported to the boiler of power plant and carried out mixing burning.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of boiler sludge co-combustion system, comprising:
For collecting the hopper for the sludge that dummy car transport comes;
For quantitatively distributing the sludge in the hopper to the first oscillating feeder of first conveyer belt, described first The feeding inlet of oscillating feeder is connect with the discharge port of the hopper, the discharge port of first oscillating feeder and described first The feeding inlet of conveyer belt connects;
For transporting sludge to the first conveyer belt of storage bin;
For storing the storage bin of sludge, feeding inlet is connect with the discharge port of the first conveyer belt;
Second oscillating feeder, feeding inlet are connect with the discharge port of the storage bin, discharge port and the second conveyer belt Feeding inlet connection;
For sludge to be transported to the second conveyer belt of boiler of power plant.
Preferably, the hopper be set to underground, between the first conveyer belt and the storage bin be equipped with can by sludge to The bucket elevator that top is promoted.
Preferably, the boiler sludge co-combustion system sets that there are two the discharging group that can work independently, each discharging groups It include the hopper, first oscillating feeder, the first conveyer belt and the bucket elevator, two bucket elevators Discharge port is connect with the feeding inlet of the storage bin.
Preferably, the storage bin is equipped with high-order level-sensing device, low level level-sensing device and continuous material level meter.
Preferably, the discharge port of second conveyer belt is equipped with T-piece splitting valve, and two of the triple valve material distributing valve go out Material mouth conveys band connection with two thirds at boiler inlet respectively.
Preferably, the first conveyer belt and second conveyer belt are all-sealed conveyer belt, are existed to avoid sludge It emits bad smell in transportational process.
It preferably, further include air draft system, the air inlet of the air draft system is unloaded with the boiler sludge co-combustion system Expect storage workshop connection, the first gas outlet of the air draft system and the pressure fan of boiler connect, and the second of the air draft system Gas outlet is connected to by air blower with outdoor, and activated carbon adsorption device is equipped between the air blower and the second outlet.
Preferably, the air inlet of the air draft system also with the first conveyer belt or second conveyer belt or the storage Feed bin connection.
Boiler sludge co-combustion system provided by the utility model includes hopper, storage bin, the first oscillating feeder, the second vibration Dynamic batcher, first conveyer belt and the second conveyer belt.Hopper is used to collect the sludge that dummy car transport comes;First conveyer belt is used for Sludge is transported to storage bin;Storage bin is for storing sludge, the discharge port connection of feeding inlet and first conveyer belt;Second is defeated Send band for sludge to be transported to boiler of power plant.First oscillating feeder and the second oscillating feeder are used for rationed sludge, First oscillating feeder is set between hopper discharge port and first conveyer belt feeding inlet, and the second oscillating feeder goes out set on storage bin Between material mouth and the second conveyer belt feeding inlet.
During the work time, hopper and storage bin are independently arranged, and the sludge that transport comes is discharged in hopper by dummy car, are expected Bucket is transported sludge to storage bin by the first oscillating feeder and first conveyer belt, storage bin by the second oscillating feeder with Sludge is transported in the boiler of power plant by the second conveyer belt.The application by above-mentioned each component discharging storage workshop to sludge into Row unloading, and finally transport and carry out mixing burning into boiler, complete the integrated process of sludge unloading, storage and feeding.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of boiler sludge co-combustion system provided by the utility model.
Appended drawing reference in Fig. 1 are as follows:
Discharging storage workshop 01;Hopper 1, the first oscillating feeder 2, first conveyer belt 3, bucket elevator 4, storage bin 5, second It is oscillating feeder 6, the second conveyer belt 7, T-piece splitting valve 8, air draft system 9, air blower 10, activated carbon adsorption device 11, continuous Level-sensing device 12, high-order level-sensing device 13, low level level-sensing device 14, third conveyer belt 15.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
The core of the utility model is to provide a kind of boiler sludge co-combustion system, the sludge that can generate sewage treatment plant It transports to the coal handling system of power plant, and finally transports to the boiler of power plant and carry out mixing burning.
Referring to FIG. 1, Fig. 1 is the structural schematic diagram of boiler sludge co-combustion system provided by the utility model.
The utility model provides a kind of boiler sludge co-combustion system, including hopper 1, storage bin 5, first conveyer belt 3, second Conveyer belt 7, the first oscillating feeder 2 and the second oscillating feeder 6;Hopper 1 is used to collect the sludge that dummy car transport comes;First Conveyer belt 3 is used to from hopper 1 transport sludge to storage bin 5;Storage bin 5 is for storing sludge, feeding inlet and the first conveying Discharge port with 3 connects;Second conveyer belt 7 is used to sludge being transported to boiler of power plant.First oscillating feeder and the second vibration Batcher 6 for evenly distributing sludge, the first oscillating feeder 2 be set to 1 discharge port of hopper and 3 feeding inlet of first conveyer belt it Between, the second oscillating feeder 6 is set between 7 feeding inlet of 5 discharge port of storage bin and the second conveyer belt.
Specifically, hopper 1, storage bin 5, first conveyer belt 3, the second conveyer belt 7, the first oscillating feeder 2 and the second vibration The components such as dynamic batcher 6 are arranged in discharging storage workshop 01, while discharging storage workshop 01 is provided with unloading for dummy car Position, dummy car are parked to the unloading for unloading parking stall progress sludge.
Storage bin 5 and hopper 1 are independently arranged, and hopper 1 is mainly used for tentatively storing the sludge that dummy car transport comes, Then first conveyer belt 3 transports the sludge in hopper 1 into storage bin 5.Sludge can be stored inside storage bin 5, and it is stored Sludge directly docked with the boiler of power plant.
First oscillating feeder 2 and the second oscillating feeder 6 are separately positioned on first conveyer belt 3 and the second conveyer belt 7 At feeding inlet, the first oscillating feeder 2 and the second oscillating feeder 6 are under the driving of respective motor, dirt that top is fallen Mud carries out quantitative, uniform distribution, to make the dropping down onto corresponding conveyer belt of sludge continuous uniform.
It should be noted that the second oscillating feeder 6 needs to adjust power output feelings according to the sludge quantity actually mixed needed for burning Condition meets the requirements sludge mixture proportion.In addition, belted electronic balance and calibration equipment can be set in the second conveyer belt 7, to protect Barrier sludge mixes the accuracy of burning amount.
During the work time, the sludge that transport comes is discharged in hopper 1 by dummy car, and hopper 1 passes through the first vibrating feed Machine 2 and first conveyer belt 3 transport sludge to storage bin 5, and storage bin 5 passes through the second oscillating feeder 6 and the second conveyer belt 7 will Sludge is transported in the boiler of power plant.The application unloads sludge in discharging storage workshop 01 by above-mentioned each component, and Final transport carries out mixing burning into boiler, completes the integrated process of sludge unloading, storage and feeding.
Optionally, boiler sludge co-combustion system can be in conjunction with actual demand setting illumination, communication, fire-fighting, maintenance lifting etc. Facility.Wherein communications service can be specifically using the I/O distant station that can acquire and control individual field devices signal, and passes through remote Journey I/O matching device and I/O processor are communicated.The also settable flushing facility of boiler sludge co-combustion system, to be deposited to discharging Storage workshop 01 inside and each component are rinsed cleaning, flushing water can by the flushing water sedimentation basin of dredge pump dispatch to power plant into Row subsequent processing.Optionally, the anti-blocking facility of air bubble can be set in storage bin 5 and hopper 1.
It should be understood that the loading capacity and quantity of dummy car need that actual demand is combined to be selected, if hopper 1 is daily Carrying out doses is 600 tons, and using average loading capacity is 30 tons of vehicle as dummy car, then needs 20 into factory's vehicle number daily Vehicle.Optionally, the bandwidth 0.5m of first conveyer belt 3, belt speed 0.8m/s, contribute 60t/h, settable power-free dust-removing at feeding inlet Deflector chute.Optionally, the dischargeable capacity of storage bin 5 is 200m3If the specific gravity of sludge is 1.2t/m3, then the capacity of storage bin 5 is about It is 240 tons.Optionally, the total measurement (volume) of hopper 1 is 100m3
Further, the unloading of sludge is carried out in order to facilitate dummy car, while saving space, on the basis of above-described embodiment On, hopper 1 is set to underground, and being equipped between first conveyer belt 3 and storage bin 5 can be by bucket elevator 4 that sludge is promoted upwards.Specifically , hopper 1 is arranged in underground, and dummy car, which is moved to the top of hopper 1 and topples over sludge downwards, can be completed unloading for sludge It carries, while the setting of hopper 1 is in underground, avoids sludge square accumulation on the ground, save space.In addition, due to storage bin 5 Setting on the ground side, in order to by sludge from the storage bin 5 on 1 internal forwarding to ground of hopper of underground, in first conveyer belt 3 Bucket elevator 4 is set between storage bin 5, and sludge is lifted and be finally transported to storage bin 5 and stored by bucket elevator 4.
Further, boiler sludge co-combustion system is set there are two the discharging group that can work independently, and each discharging group is wrapped Include hopper 1, the first oscillating feeder 2, first conveyer belt 3 and bucket elevator 4, the discharge port of two bucket elevators 4 with storage bin 5 Feeding inlet connection.Specifically, the transport of dewatered sludge and storing process arrange that boiler sludge co-combustion system is arranged altogether using two-way There are two discharging groups.Under normal circumstances, two discharging groups are run simultaneously is unloaded and is transported to sludge;And two discharging groups can With mutual backup, when one of discharging group breaks down or there are when other special circumstances, a discharging group isolated operation System requirements can be met.
Optionally, in order to monitor the sludge amount of storage inside storage bin 5, storage bin 5 is equipped with high-order level-sensing device 13, low level material Position meter 14 and continuous material level meter 12.Specifically, the top of storage bin 5 is arranged in continuous material level meter 12, it to be used for real-time monitoring sludge Amount of storage;High-order level-sensing device 13 and low level level-sensing device 14 are for the situation inside periodic monitor storage bin 5.
Optionally, dummy car is managed for convenience, in a specific embodiment provided by the present application, hopper 1 Top is equipped with the truck scale for measuring dummy car weight.Truck scale is specifically located above hopper 1 and unloads parking stall, and truck scale is set It is equipped with weight sensor, to carry out Weighing to dummy car, detects the sludge quantity that the transport of each dummy car comes.Truck scale Working principle and structure can refer to the prior art.
Optionally, it is contemplated that the setting of boiler of power plant inlet is there are two third conveyer belt 15, in the present embodiment, the second conveying With 7 discharge port be equipped with T-piece splitting valve 8, two discharge ports of triple valve material distributing valve respectively with two thirds at boiler inlet Conveyer belt 15 connects.Specifically, T-piece splitting valve 8 to the second conveyer belt 7 transport come sludge be allocated after, using itself Two discharge ports export sludge, realize the transportational process of sludge.In addition, vibration can also be arranged in the coal spout of third conveyer belt 15 Anti- locking device is moved, to avoid coal breakage blockage.
Further, in order to avoid sludge emits bad smell to outside during transportation, in any one above-mentioned embodiment On the basis of, first conveyer belt 3 and the second conveyer belt 7 are all-sealed conveyer belt.Specifically, in view of sludge can generate less Odorant pollutant is measured, plant area is be easy to cause to pollute, therefore first conveyer belt 3 and the second conveyer belt 7 use total closed type structure, only The feeding inlet of first conveyer belt 3 and discharge port are connected to each other with the first oscillating feeder 2 and bucket elevator 4 respectively, and the first conveying Band 3 is in sludge in enclosure space, so that sludge be avoided to emit bad smell.Second conveyer belt, 7 situation phase Together, it is not repeating herein.
In order to further mitigate the pollution in discharging storage workshop 01, on the basis of any one above-mentioned embodiment, pot Furnace sludge co-combustion system further includes air draft system 9, and the air inlet of air draft system 9 and the discharging of boiler sludge co-combustion system store vehicle Between 01 connection, the pressure fan of the first gas outlet of air draft system 9 and boiler connects, and the second gas outlet of air draft system 9 passes through drum Blower 10 is connected to outdoor, and activated carbon adsorption device 11 is equipped between air blower 10 and second outlet.
Specifically, air draft system 9 specifically includes the components such as air blower 10, the air inlet of air draft system 9 and discharging store vehicle Between 01 connection, to be extracted to the air inside discharging storage workshop 01.Boiler is commonly equipped with pressure fan, after extraction Air can be entered in the boiler of power plant by the first gas outlet and pressure fan, mix burning with sludge in donkey boiler and coal-fired. Air after extraction can also drain into outdoor environment by the second gas outlet, it is possible to understand that, the sky in discharging storage workshop 01 Gas needs to be cleared up using activated carbon adsorption device 11 or other devices before being expelled to outdoor, removes the peculiar smell in gas, keeps away Exempt to cause environmental pollution.
Optionally, the air inlet of air draft system 9 is also connect with first conveyer belt 3 or the second conveyer belt 7 or storage bin 5.By It is all made of enclosed construction in first conveyer belt 3 and the second conveyer belt 7, inner air is easy to be influenced by sludge, while closed Air in space inevitably passes through feeding inlet and discharge port and leaks to discharging storage workshop 01.Therefore air draft system 9 can also lead to It crosses associated pipe to connect with first conveyer belt 3, the second conveyer belt 7, so that the two is formed tiny structure, to avoid first conveyer belt 3 It is escaped with the peculiar smell in the enclosure space of the second conveyer belt 7.The air inlet of air draft system 8 can also be connect with storage bin 5, make to store up Feed bin 5 is in micro-vacuum state, avoids distributing for peculiar smell.
It should be understood that boiler can scavenge to outside during sludge transports to boiler and carries out mixing burning, It usually requires to be dusted exhaust gas and desulfurization process in actual production process.Such as can specifically using low-carbon combustion device and SCR denitration is dusted processing using electrostatic precipitator and wet electrical dust precipitator.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Boiler sludge co-combustion system provided by the utility model is described in detail above.Tool used herein Body example is expounded the principles of the present invention and embodiment, and the above embodiments are only used to help understand The method and its core concept of the utility model.It should be pointed out that for those skilled in the art, not taking off Under the premise of from the utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification It also falls into the protection scope of the utility model claims.

Claims (8)

1. a kind of boiler sludge co-combustion system characterized by comprising
For collecting the hopper (1) for the sludge that dummy car transport comes;
For quantitatively distributing the sludge in the hopper (1) to the first oscillating feeder (2) of first conveyer belt (3), institute The feeding inlet for stating the first oscillating feeder (2) is connect with the discharge port of the hopper (1), first oscillating feeder (2) Discharge port is connect with the feeding inlet of the first conveyer belt (3);
For sludge being transported to the first conveyer belt (3) of storage bin (5);
For storing the storage bin (5) of sludge, feeding inlet is connect with the discharge port of the first conveyer belt (3);
Second oscillating feeder (6), feeding inlet are connect with the discharge port of the storage bin (5), discharge port and the second conveying The feeding inlet of band (7) connects;
For sludge to be transported to the second conveyer belt (7) of boiler of power plant.
2. boiler sludge co-combustion system according to claim 1, which is characterized in that the hopper (1) is set to underground, described Being equipped between first conveyer belt (3) and the storage bin (5) can be by bucket elevator (4) that sludge is promoted upwards.
3. boiler sludge co-combustion system according to claim 2, which is characterized in that the boiler sludge co-combustion system is equipped with Two discharging groups that can work independently, each discharging group include the hopper (1), first oscillating feeder (2), The first conveyer belt (3) and the bucket elevator (4), the discharge port of two bucket elevators (4) with the storage bin (5) Feeding inlet connection.
4. boiler sludge co-combustion system according to claim 3, which is characterized in that the storage bin (5) is equipped with high-order material Position meter (13), low level level-sensing device (14) and continuous material level meter (12).
5. boiler sludge co-combustion system according to claim 1, which is characterized in that the discharging of second conveyer belt (7) Mouth is equipped with T-piece splitting valve (8), and two discharge ports of the T-piece splitting valve are conveyed with two thirds at boiler inlet respectively Band (15) connects.
6. boiler sludge co-combustion system described in any one according to claim 1~5, which is characterized in that first conveying Band (3) and second conveyer belt (7) are all-sealed conveyer belt, are emitted bad smell during transportation to avoid sludge.
7. boiler sludge co-combustion system according to claim 6, which is characterized in that further include air draft system (9), the suction The air inlet of wind system (9) is connect with the discharging storage workshop (01) of the boiler sludge co-combustion system, the air draft system (9) The first gas outlet and the pressure fan of boiler connect, the second gas outlet of the air draft system (9) passes through air blower (10) and room Outer connection, and activated carbon adsorption device (11) are equipped between the air blower (10) and second gas outlet.
8. boiler sludge co-combustion system according to claim 7, which is characterized in that the air inlet of the air draft system (9) Also it is connect with the first conveyer belt (3) or second conveyer belt (7) or the storage bin (5).
CN201821005082.9U 2018-06-27 2018-06-27 A kind of boiler sludge co-combustion system Active CN208431781U (en)

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Application Number Priority Date Filing Date Title
CN201821005082.9U CN208431781U (en) 2018-06-27 2018-06-27 A kind of boiler sludge co-combustion system

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110127345A (en) * 2019-04-24 2019-08-16 中国能源建设集团广东省电力设计研究院有限公司 A kind of coal handling system of coal-burning power plant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110127345A (en) * 2019-04-24 2019-08-16 中国能源建设集团广东省电力设计研究院有限公司 A kind of coal handling system of coal-burning power plant

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Address after: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000

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Address before: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000

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