CN201942320U - Improved petroleum coke powder combustion conveying device for industrial kiln - Google Patents

Improved petroleum coke powder combustion conveying device for industrial kiln Download PDF

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Publication number
CN201942320U
CN201942320U CN201020692956XU CN201020692956U CN201942320U CN 201942320 U CN201942320 U CN 201942320U CN 201020692956X U CN201020692956X U CN 201020692956XU CN 201020692956 U CN201020692956 U CN 201020692956U CN 201942320 U CN201942320 U CN 201942320U
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CN
China
Prior art keywords
feeder
strength
communicated
petroleum coke
coke powder
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Expired - Fee Related
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CN201020692956XU
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Chinese (zh)
Inventor
刘孝武
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刘孝武
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Priority to CN201020692956XU priority Critical patent/CN201942320U/en
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Publication of CN201942320U publication Critical patent/CN201942320U/en
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Abstract

The utility model relates to an improved petroleum coke powder combustion conveying device for an industrial kiln, which comprises a bin, a feeder, a feeder controller, a pneumatic fluidization cavity and a fuel conveying pipeline. A ventilating balance chamber is arranged at a discharge outlet at the lower end of the bin, a gas pipe is connected to the upper end of the ventilating balance chamber, the lower portion of the ventilating balance chamber is communicated with a feed inlet of the feeder, a discharge outlet of the feeder is communicated with a pneumatic fluidization cavity, the feeder controller controls specific operation of the feeder, an upstream of an outlet of the pneumatic fluidization cavity is connected with a normal-pressure air delivery pipeline, a downstream of the outlet of the pneumatic fluidization cavity is connected with the fuel conveying pipeline, the ventilating balance chamber is disposed at the discharge outlet at the lower end of the bin by the aid of a vertically communicated gate valve and a corrugated pipe, sight glass is disposed between the discharge outlet of the feeder and the pneumatic fluidization cavity, and sight glass is also arranged at a downstream, which is close to the outlet of the pneumatic fluidization cavity, in the fuel conveying pipeline. The improved petroleum coke powder combustion conveying device has the advantages of energy conservation, environmental protection and low noise.

Description

Improved industrial kiln petroleum coke powder burning feedway
Technical field
The utility model relates to the feedway in the petroleum coke powder combustion systems, mainly is applicable to also to be applicable in the combustion systems of Industrial Stoves such as cement, pottery, boiler in the glass melter combustion systems.
Technical background
At present, petroleum coke powder is commonly used for the fuel of Industrial Stoves.
The patent No. is that 200720053188.1 Chinese utility model patent specification sheets has disclosed a kind of " industrial kiln petroleum coke powder burning feedway ", adopt this device, petroleum coke powder need not liquefaction, form with dry powder directly is delivered to the spray gun burning by the pressurized air fluidisation, save existing pulping process and equipment, overcome and add water or add degradation of energy and the kiln etch that oil liquify brings, saved purchase additive-treated oil cost, improve automatic control level, reduced labor strength.But still there is following defective in this device: easily produce when one, the transmission pump in this device (being motor-driven screw delivery pump) moves and reveal and contaminated environment, in addition, motor also will consume electric power and produce noise; What two, use in the outlet of strength fluidizing chamber in this device is the pressurized air of process pressure regulation, and air compressor is a representative type highly energy-consuming equipment, is unfavorable for energy savings.
The utility model content
Technical problem to be solved in the utility model provides the improved industrial kiln petroleum coke powder burning feedway of a kind of energy-saving and environmental protection, low noise.
For solving the problems of the technologies described above, the utility model provides a kind of improved industrial kiln petroleum coke powder burning feedway, it comprises feed bin, feeder, the feeder controller, strength fluidizing chamber and fuel tube, the discharging opening place of feed bin lower end is provided with ventilative balance chamber, the upper end of ventilative balance chamber is connected to tracheae, ventilative balance chamber is communicated with the inlet point of feeder down, the discharging opening of feeder is communicated with the strength fluidizing chamber down, the concrete operations of feeder controller control feeder, the upstream of strength fluidizing chamber outlet connects the atmospheric air delivery duct, and the downstream of strength fluidizing chamber outlet connects fuel tube.
After adopting above technical scheme, replace transmission pump of the prior art with ventilative balance chamber, but by ventilative balance chamber balance with overcome the inlet point of feeder and the difference of pressure between the discharging opening, guarantee the smooth blanking of feeder, like this, the petroleum coke powder in the feed bin directly is delivered to the strength fluidizing chamber after supplying with feeder by ventilative balance chamber, therefore, there are not leakage, problem of environment pollution caused, and do not have the power consumption of transmission pump, can not produce noise; What use in the outlet of strength fluidizing chamber is atmospheric air, like this, in the outlet of strength fluidizing chamber, petroleum coke powder and atmospheric air are mixed into the aerosol two-phase fluid, the delivery pressure of source of the gas effectively reduces, compare with the pressurized air of using in the prior art, power consumption reduce near half, saved the energy greatly.
In sum, the utlity model has the advantage of energy-saving and environmental protection, low noise.
The discharging opening place of described feed bin lower end is provided with ventilative balance chamber by the push-pull valve, the bellows that are communicated with up and down.
Between the discharging opening of described feeder and the strength fluidizing chamber visor is set, the downstream part near the outlet of strength fluidizing chamber in the fuel tube is provided with visor.
The upper end of described feed bin is provided with circumferential uniform some LOAD CELLS at dust exhaustor, middle part, LOAD CELLS and weighing controller join, and have on the test powder retrieving pipe of shutoff valve to be communicated with the upper end of feed bin, to be communicated with the downstream part that exports near the strength fluidizing chamber in the fuel tube down.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the left view of Fig. 1.
The specific embodiment
Below by embodiment and accompanying drawing thereof the utility model is described in further detail:
For can concise description for the purpose of the problem, removed among Fig. 2 feed bin 1 and on corresponding accessory, tracheae 2a, feeder controller 4, weighing controller 8, removed filter 1g, feeder controller 4, weighing controller 8, blowing engine 11 among Fig. 3.
Referring to Fig. 1, the utility model provides a kind of improved industrial kiln petroleum coke powder burning feedway, and it comprises feed bin 1, ventilative balance chamber 2, feeder 3, feeder controller 4, strength fluidizing chamber 5, atmospheric air delivery duct 6 and fuel tube 7.
Feed bin 1 is used for temporarily depositing petroleum coke powder, and the feed pipe 1f that has filter 1g is communicated with the top of feed bin 1, and circumferential uniform three LOAD CELLS 1a, lower ends that the upper end of feed bin 1 is provided with dust exhaustor 1e, middle part offer one or more independently discharging openings.
LOAD CELLS 1a and weighing controller 8 join, and LOAD CELLS 1a and weighing controller 8 have been formed the electronic scale of weighing, and like this, can intuitively understand petroleum coke powder stock and consumption situation in the feed bin 1.
The discharging opening place of feed bin 1 lower end is by the push-pull valve 1d that is communicated with up and down, bellows 1c is provided with hollow barrel-contoured ventilative balance chamber 2, the upper end of ventilative balance chamber 2 is connected to the tracheae 2a that communicates and be in tilted layout with its inner chamber, tracheae 2a communicates with atmosphere, ventilative balance chamber 2 times is communicated with the inlet point of feeder 3, the discharging opening of feeder 3 is communicated with strength fluidizing chamber 5 down, the concrete operations of feeder controller 4 control feeders 3, thereby the keying and the feeding coal of control petroleum coke powder feed, the petroleum coke powder that feeder 3 will flow through ventilative balance chamber 2 flows to strength fluidizing chamber 5, the upstream of strength fluidizing chamber 5 outlets connects atmospheric air delivery duct 6, the downstream of strength fluidizing chamber 5 outlets connects fuel tube 7, the inlet end of atmospheric air delivery duct 6 is communicated with blowing engine 11, blowing engine 11 is transported to atmospheric air in the atmospheric air delivery duct 6, petroleum coke powder and atmospheric air are mixed into the aerosol two-phase fluid in the outlet of strength fluidizing chamber 5, the other end of fuel tube 7 is connected to two spray gun 7a that are mutually miter angle.
Between the discharging opening of feeder 3 and the strength fluidizing chamber 5 visor 10 is set, the downstream part near 5 outlets of strength fluidizing chamber in the fuel tube 7 is provided with visor 9.The bore of visor 10, visor 9 is respectively DN150, DN65, and feeder 3 is placed on the frame 3a.
The test powder retrieving pipe 1b that has shutoff valve go up is communicated with the upper end of feed bin 1, down with fuel tube 7 in the downstream part that exports of close strength fluidizing chamber 5 be communicated with (piece number of not shown shutoff valve in the accompanying drawing).
Feeder controller 4, weighing controller 8 are the prior art part.In order to make control accurately, feeder 3 is preferentially selected the feeder of frequency control type for use, and feeder controller 4 is preferentially selected PLC (Programmable Logic Controller) electric control cabinet for use.
This device can use separately, also can organize in parallel the use, to adapt to different furnace constructions more.Referring to Fig. 2, Fig. 3, the device that present embodiment provides is the structure of three groups of parallel connections.
Using method of the present utility model is as follows: petroleum coke powder is after comminutor is crushed to suitable granularity, in feed pipe 1f is delivered to feed bin 1, again through the discharging opening of feed bin 1 lower end, push-pull valve 1d, bellows 1c, ventilative balance chamber 2 enters in the feeder 3 (but by ventilative balance chamber 2 balances with overcome the inlet point of feeder 3 and the difference of pressure between the discharging opening, guarantee feeder 3 smooth blankings), rotating speed by feeder controller 4 control feeders 3, reach the purpose of dosing, petroleum coke powder directly is delivered to strength fluidizing chamber 5 by feeder 3, then, petroleum coke powder is mixed into the aerosol two-phase fluid with atmospheric air in the outlet of strength fluidizing chamber 5, atmospheric air in the atmospheric air delivery duct 6 and then described aerosol two-phase fluid is pressed in the fuel tube 7, thereby supply with one or many spray gun 7a, burn for kiln.
Above-described only is a kind of embodiment of the present utility model.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.

Claims (5)

1. improved industrial kiln petroleum coke powder burning feedway, comprise feed bin, feeder, the feeder controller, strength fluidizing chamber and fuel tube, the concrete operations of feeder controller control feeder, the downstream of strength fluidizing chamber outlet connects fuel tube, it is characterized in that: the discharging opening place of feed bin lower end is provided with ventilative balance chamber, the upper end of ventilative balance chamber is connected to tracheae, ventilative balance chamber is communicated with the inlet point of feeder down, the discharging opening of feeder is communicated with the strength fluidizing chamber down, and the upstream of strength fluidizing chamber outlet connects the atmospheric air delivery duct.
2. improved industrial kiln petroleum coke powder burning feedway according to claim 1, it is characterized in that: the discharging opening place of feed bin lower end is provided with ventilative balance chamber by the push-pull valve, the bellows that are communicated with up and down.
3. improved industrial kiln petroleum coke powder burning feedway according to claim 1 and 2, it is characterized in that: between the discharging opening of feeder and the strength fluidizing chamber visor is set, the downstream part near the outlet of strength fluidizing chamber in the fuel tube is provided with visor.
4. improved industrial kiln petroleum coke powder burning feedway according to claim 1 and 2, it is characterized in that: the upper end of feed bin is provided with circumferential uniform some LOAD CELLS at dust exhaustor, middle part, LOAD CELLS and weighing controller join, and have on the test powder retrieving pipe of shutoff valve to be communicated with the upper end of feed bin, to be communicated with the downstream part that exports near the strength fluidizing chamber in the fuel tube down.
5. improved industrial kiln petroleum coke powder burning feedway according to claim 3, it is characterized in that: the upper end of feed bin is provided with circumferential uniform some LOAD CELLS at dust exhaustor, middle part, LOAD CELLS and weighing controller join, and have on the test powder retrieving pipe of shutoff valve to be communicated with the upper end of feed bin, to be communicated with the downstream part that exports near the strength fluidizing chamber in the fuel tube down.
CN201020692956XU 2010-12-29 2010-12-29 Improved petroleum coke powder combustion conveying device for industrial kiln Expired - Fee Related CN201942320U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201020692956XU CN201942320U (en) 2010-12-29 2010-12-29 Improved petroleum coke powder combustion conveying device for industrial kiln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201020692956XU CN201942320U (en) 2010-12-29 2010-12-29 Improved petroleum coke powder combustion conveying device for industrial kiln

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CN201942320U true CN201942320U (en) 2011-08-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102040101A (en) * 2010-12-29 2011-05-04 刘孝武 Petroleum coke powder combustion transporting device for improved industrial furnace
CN104627562A (en) * 2015-02-09 2015-05-20 江苏正通宏泰股份有限公司 Lime powder bin for desulfuration

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102040101A (en) * 2010-12-29 2011-05-04 刘孝武 Petroleum coke powder combustion transporting device for improved industrial furnace
CN104627562A (en) * 2015-02-09 2015-05-20 江苏正通宏泰股份有限公司 Lime powder bin for desulfuration

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110824

Termination date: 20121229