CN106517203B - A kind of system for producing calcium carbide - Google Patents

Abstract

The present invention provides a kind of system for producing calcium carbide, including carbon materials drying system, lime stone feeding calcination system, screening feed proportioning system, carbon materials drying system, lime stone feeding calcination system are connected to screening feed proportioning system, screening feed proportioning system is connected to furnace of calcium carbide, carbon materials drying system includes feed system and drying machine, drying machine is connected with fluidized bed furnace, feed system includes raw material cabin, oscillating feeder, belt conveyer scale, the material of belt conveyer scale is delivered to drying machine, and the air inlet of drying machine is connected to fluidized bed furnace；Lime stone feeding calcination system includes raw limestone storehouse, charging belt, vibrating screen, stokehold feed bin, the second oscillating feeder, elevating hopper, limekiln；Sieving feed proportioning system includes the first belt feeder, the second belt feeder.The present invention realizes the drying of carbon materials, broken and calcining, carbon materials and lime the automatic sieving of lime stone, makes full use of the energy of the generation in production process, realizes the reuse of discarded object, effectively reduce production cost, improves production efficiency.

Description

A kind of system for producing calcium carbide

Technical field

The present invention relates to calcium carbide production field field, more particularly to a kind of system for producing calcium carbide.

Background technology

Calcium carbide is a kind of important basic chemical raw materials, reacts obtained under the high temperature conditions by quick lime and carbon materials, electricity In stone production process, it is related to the links such as the drying of carbon materials, the preparation of quick lime, traditional production line automation degree is low, material Transfer efficiency is low, and then causes production efficiency relatively low, also, a large amount of airborne dusts can be also generated in production process, existing production line Dust removing effects are poor, cause environmental pollution, can't make full use of thermal energy generated in production process etc., also cause production cost It is higher.

The content of the invention

In view of the foregoing deficiencies of prior art, it is an object of the invention to provide a kind of system for producing calcium carbide, it is used for Solve the problems such as system for producing calcium carbide low production efficiency, environmental pollution are serious in the prior art, energy waste is big.

In order to achieve the above objects and other related objects, the present invention provides a kind of system for producing calcium carbide, is dried including carbon materials System, lime stone feeding calcination system, screening feed proportioning system, the carbon materials drying system, lime stone feeding calcination system connect Be connected to screening feed proportioning system, the screening feed proportioning system is connected to furnace of calcium carbide, the carbon materials drying system include feed system with And the drying machine being connected with the feed system, the drying machine are connected with fluidized bed furnace, the feed system includes sequentially connected Raw material cabin, oscillating feeder, belt conveyer scale, the material of belt conveyer scale are delivered to drying machine, and the air inlet of the drying machine is connected to boiling Rise stove；The lime stone feeding calcination system includes sequentially connected raw limestone storehouse, charging belt, vibrating screen, ladle addition Storehouse, the second oscillating feeder, elevating hopper, limekiln, further include driving wind turbine, and the air outlet of the driving wind turbine is respectively by the One air hose and heat exchanger are connected to blast pipe, blast pipe are directly connected to by the second air hose, and the blast pipe is connected to Limekiln, the air outlet of the heat exchanger are also connected to blast pipe, and the discharge pipe in the limekiln is in charge of respectively by first Heat exchanger is connected to, is in charge of by second and is connected to the first wind turbine；The screening feed proportioning system includes conveying carbon materials First belt feeder, the second belt feeder for conveying lime, first belt feeder are connected at least one carbon materials vibrating screen, institute The discharge of fine material mouth for stating carbon materials vibrating screen is connected with carbon materials filler bin, and the coarse fodder discharge port of the carbon materials vibrating screen is connected with carbon materials Coarse fodder storehouse, the carbon materials coarse fodder storehouse are connected at least one carbon materials oscillating feeder；Second belt feeder is connected at least one A lime vibrating screen, the discharge of fine material mouth of the lime vibrating screen are connected with pulverized limestone feed bin, the coarse fodder of the lime vibrating screen Discharge port is connected with lime coarse fodder storehouse, and the lime coarse fodder storehouse is connected at least one lime oscillating feeder；The carbon materials are shaken Dynamic batcher, lime oscillating feeder are connected to public conveyer, and the public conveyer is connected to reversible belt machine, reversible The discharge port at belt feeder both ends is respectively connected to lime batch bin, carbon materials batch bin.

Further, the gas outlet of the drying machine is connected with separator, and the gas outlet of the separator is connected with second Deduster, the separator, the discharge of fine material mouth of the second deduster are respectively connected with scrapper conveyor, the discharge port connection of the scrapper conveyor There is the second ash bucket, the discharge port of second ash bucket, which is connected with the first twin shaft and crouches, stirs humidifier, the outlet of second deduster Mouth is connected with the second wind turbine, and the gas outlet of second wind turbine is connected with the first chimney.

Further, the gas outlet of the oscillating feeder is connected with the first deduster, the outlet of first deduster Mouth is connected with the first wind turbine, and the discharge port of first deduster is connected with spiral ash machine, the first ash bucket in turn；Further include use In turning over the hydro-mechanical tipper that send material into the raw material cabin；The belt conveyer scale pass sequentially through tripper, stokehold feed bin, disk to Material machine, belt, air valve are connected to the feed inlet of drying machine, further include sequentially connected raw coal canopy, by coal scuttle, vibrate to coal Machine, coal breaker, coal hoist, furnace bin, feeder, the material in the feeder are delivered to the fluidized bed furnace, the boiling The air compartment air inlet of stove is connected with air blower.

Further, the lime stone feeding calcination system includes sequentially connected raw limestone storehouse, charging belt, shakes Dynamic sieve, stokehold feed bin, the second oscillating feeder, elevating hopper, limekiln further include driving wind turbine, the outlet air of the driving wind turbine Mouth is connected to blast pipe by the first air hose and heat exchanger respectively, is directly connected to blast pipe by the second air hose, described Blast pipe is connected to limekiln, and the air outlet of the heat exchanger is also connected to blast pipe, the discharge pipe difference in the limekiln It is in charge of by first and is connected to heat exchanger, is in charge of by second and is connected to the first wind turbine, the heat exchanger also passes through exhaust gas Air hose is connected to the first wind turbine.

Further, gas chamber is further included, the gas chamber is connected to limekiln, the booster fan by booster fan Air inlet pipe, be communicated with bypass pipe between air outlet pipe, by-passing valve is installed, first wind turbine passes through hydraulic pressure on the bypass pipe Air door is respectively communicated to the 4th deduster, the second chimney, and the air outlet of the 4th deduster is connected to by four fan device Two chimneys, the discharge port of the 4th deduster are sequentially connected to scraper ash-transmission machine, the 4th ash bucket, and the vibrating screen, second shake The air outlet of dynamic batcher is connected to the air inlet of the 5th deduster, and the air outlet of the 5th deduster is connected to tendencies Machine, the discharge port of the 5th deduster are sequentially connected to spiral ash machine, limestone powder silo, the limestone powder silo Air outlet is connected to the air inlet of the 5th deduster.

Further, the raw limestone storehouse is connected to charging belt by the first oscillating feeder, and described first shakes The air outlet of dynamic batcher is connected to the air inlet of the 6th deduster, and the air outlet of the 6th deduster is connected to the 6th wind Machine, the discharge port of the 6th deduster are connected to the 5th ash bucket, are equipped with and claim between second oscillating feeder and elevating hopper Batch box, the discharge port of the scale hooper are equipped with hydraulic pressure discharge door.

Further, the hoist engine that control elevating hopper carries out feeding is further included, the elevating hopper passes through the lock on limekiln Air door feeding into limekiln, the discharge port in the limekiln is connected with vibration ash hoist, reversible belt machine in turn, described reversible Belt feeder is respectively connected to lime finished bin, collecting bin, further include to limekiln convey cooling wind centrifugal blower, described first Air hose, the second air hose, first be in charge of, second is in charge of and is mounted on control valve.

Further, the screening feed proportioning system includes conveying the first belt feeder of carbon materials, for conveying lime Second belt feeder, first belt feeder are connected at least one carbon materials vibrating screen, the discharge of fine material mouth of the carbon materials vibrating screen Carbon materials filler bin is connected with, the coarse fodder discharge port of the carbon materials vibrating screen is connected with carbon materials coarse fodder storehouse, and the carbon materials coarse fodder storehouse connects It is connected at least one carbon materials oscillating feeder；Second belt feeder is connected at least one lime vibrating screen, and the lime shakes The discharge of fine material mouth of dynamic sieve is connected with pulverized limestone feed bin, and the coarse fodder discharge port of the lime vibrating screen is connected with lime coarse fodder storehouse, The lime coarse fodder storehouse is connected at least one lime oscillating feeder；The carbon materials oscillating feeder, lime oscillating feeder Public conveyer is connected to, the public conveyer is connected to reversible belt machine, the discharge port difference at reversible belt machine both ends It is connected to lime batch bin, carbon materials batch bin.

Further, the carbon materials vibrating screen, the air outlet of carbon materials oscillating feeder are connected with the first dust pelletizing system, described Lime vibrating screen, the air outlet of lime oscillating feeder are connected with the second dust pelletizing system, and the air outlet of the reversible belt machine connects Be connected to the 3rd dust pelletizing system, first dust pelletizing system, the second dust pelletizing system, the 3rd dust pelletizing system include the 3rd deduster, Spiral ash machine, the 3rd ash bucket, the 3rd wind turbine, the discharge port of the 3rd deduster is connected to the spiral ash machine, described Material in spiral ash machine is delivered to the 3rd ash bucket, and the air outlet of the 3rd deduster is connected to the 3rd wind turbine；Institute It states the first belt feeder and at least two carbon materials belt feeders is connected with by the second tripper, the carbon materials belt feeder is connected to the carbon Material vibrating screen, second belt feeder are connected at least two lime belt feeders, the lime belt feeder by the 3rd tripper The lime vibrating screen is connected to, the public conveyer is connected to the reversible belt machine by the 4th tripper.

Further, the offgas outlet of the furnace of calcium carbide has been sequentially communicated gravitational settler, thick gas wind turbine, Bag filter Device, net gas wind turbine, cooling tank, gas holder, the air outlet of the gas holder are connected to the booster fan；The gravitational settler goes out Material mouth is connected with the first plate chain type conveyer, and the discharge port of the cloth envelop collector is connected with the second plate chain type conveyer, described First plate chain type conveyer, the discharge port of the second plate chain type conveyer are connected with ash cellar, and the discharge port of the ash cellar is connected with Two twin shafts, which crouch, stirs humidifier, and the air outlet of the net gas wind turbine is also connected to the injection tube of cloth envelop collector.

As described above, a kind of system for producing calcium carbide of the present invention, has the advantages that：The present invention is using automation Carbon materials drying system, limestone calcination system, dried carbon materials, lime are automatically fed into furnace of calcium carbide, rationally set dedusting System, effectively avoids environmental pollution, and the material inlet amount of effective key control links makes full use of the heat generated in production process Can, effectively improve production efficiency.

Description of the drawings

Fig. 1 is shown as the carbon materials drying system schematic diagram of the embodiment of the present invention.

Fig. 2 is shown as the lime stone feeding calcination system schematic diagram of the embodiment of the present invention.

Fig. 3 is shown as the booster fan by-pass structure pipe schematic diagram of the embodiment of the present invention.

Fig. 4 is shown as the screening feed proportioning system schematic diagram of the embodiment of the present invention.

Fig. 5 is shown as the calcium carbide stove exhaust processing schematic diagram of the embodiment of the present invention.

Piece mark explanation

1-hydro-mechanical tipper

101-hydraulic station

102-oil pump

2-raw material cabin

201-rod valve

3-oscillating feeder

4-charging belt machine

5-belt conveyer scale

6-the first tripper

7-stokehold feed bin

8-disk feeder

9-belt

10-air valve

11-drying machine

12-fluidized bed furnace

13-air blower

14-feeder

15-furnace bin

16-coal hoist

17-coal breaker

18-vibration coal feeder

19-by coal scuttle

20-raw coal canopy

21-the first deduster

22-spiral ash machine

23-the first ash bucket

24-the first wind turbine

25-the second deduster

26-the second wind turbine

27-scrapper conveyor

28-the first unloading valve

29-elevator

30-the second ash bucket

31-the second unloading valve

32-the first twin shaft, which crouches, stirs humidifier

33-the first chimney

34-separator

35-the first belt feeder

36-the second tripper

37-carbon materials belt feeder

38-carbon materials vibrating screen

39-carbon materials filler bin

40-carbon materials coarse fodder storehouse

41-carbon materials oscillating feeder

42-the three deduster

43-spiral ash machine

44-the three ash bucket

45-the three wind turbine

46-the second belt feeder

47-the three tripper

48-lime belt feeder

49-lime vibrating screen

50-pulverized limestone feed bin

51-lime coarse fodder storehouse

52-lime oscillating feeder

53-public conveyer

54-the four tripper

55-reversible belt machine

56-lime batch bin

57-carbon materials batch bin

58-raw limestone storehouse

59-the first oscillating feeder

60-charging belt

61-vibrating screen

62-stokehold feed bin

63-the second oscillating feeder

64-scale hooper

65-hydraulic pressure discharge door

66-elevating hopper

67-hoist engine

68-lock air door

69-limekiln

70-centrifugal blower

71-vibration ash hoist

72-reversible belt machine

73-collecting bin

74-lime silo

75-driving wind turbine

751-the first air hose

752-the second air hose

76-heat exchanger

77-blast pipe

78-discharge pipe

79-the first is in charge of

80-the second is in charge of

81-exhaust gas air hose

82-the first wind turbine

83-hydraulic air door

84-the four deduster

85-scraper ash-transmission machine

86-the four ash bucket

87-the four fan device

88-the second chimney

89-control valve

90-the five deduster

91-the five wind turbine

92-the six wind turbine

93-the six deduster

94-the five ash bucket

95-spiral ash machine

96-limestone powder silo

97-gas chamber

98-booster fan

981-air inlet pipe

982-air outlet pipe

983-bypass pipe

984-by-passing valve

120-furnace of calcium carbide

121-gravitational settler

122-thick gas wind turbine

123-the first plate chain type conveyer

124-cloth envelop collector

125-net gas wind turbine

126-cooling tank

127-the second plate chain type conveyer

128-ash cellar

129-the second twin shaft, which crouches, stirs humidifier

130-gas holder

Specific embodiment

Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from Various modifications or alterations are carried out under the spirit of the present invention.

As Figure 1-Figure 5, a kind of system for producing calcium carbide, including carbon materials drying system, lime stone feeding calcination system, sieve Divide feed proportioning system, carbon materials drying system, lime stone feeding calcination system are connected to screening feed proportioning system, and screening feed proportioning system connects Furnace of calcium carbide 120 is connected to, carbon materials drying system includes feed system and the drying machine 11 being connected with the feed system, drying machine 11 Fluidized bed furnace 12 is connected with, feed system includes sequentially connected raw material cabin 2, oscillating feeder 3, belt conveyer scale 5, the object of belt conveyer scale 5 Material is delivered to drying machine 11, and the air inlet of drying machine 11 is connected to fluidized bed furnace 12, and fluidized bed furnace 12 conveys hot gas into drying machine 11 Stream will be delivered to drying machine 11 after material weight calculation, effectively avoided drying machine 11 due to material is excessive with dried material, belt conveyer scale 5 It is difficult to abundant dried material or due to material is very few thermal energy is caused to waste.It is transported to by 11 dried material of drying machine Outfeed belt, then screening dispensing is carried out into screening feed proportioning system by the first belt feeder 35.In the present embodiment, drying machine 11 is Three-cylinder drier, model R16-44.87-ADZ, equipment manufacturer are Jiangsu An Bixin environmental protection equipments Co., Ltds.On lime stone Material calcination system shakes including sequentially connected raw limestone storehouse 58, charging belt 60, vibrating screen 61, stokehold feed bin 62, second Dynamic batcher 63, elevating hopper 66, limekiln 69, further include driving wind turbine 75, and the air outlet of driving wind turbine 75 passes through first respectively Air hose 751 and heat exchanger 76 are connected to blast pipe 77, are directly connected to blast pipe 77, blast pipe by the second air hose 752 77 are connected to limekiln 69, and the air outlet of heat exchanger 76 is also connected to blast pipe 77, and the discharge pipe 78 in limekiln 69 leads to respectively It crosses first and is in charge of and 79 be connected to heat exchanger 76,80 are in charge of by second are connected to the first wind turbine 82, the heat exchanger 76 is also First wind turbine 82 is connected to by exhaust gas air hose 81.Heat exchanger 76 makes full use of the waste-gas heat in limekiln 69, using stone The pressurization gas of the waste-gas heat heat driven wind turbine 75 of ash furnace 69.It is in charge of 79 from first and passes through heat exchange into heat exchanger 76 Afterwards, into exhaust gas air hose 81, then drained by the first wind turbine 82, exhaust gas air hose 81 is also provided with control valve 89, to control gas stream Amount.From the first air hose 751 into heat exchanger 76 after heat exchange, limekiln 69 is entered by blast pipe 77.First air hose 751st, the second air hose 752, first, which are in charge of 79, second and are in charge of on 80, is mounted on control valve 89, controls the logical of air-flow as needed It is disconnected.Under normal circumstances, 75 pressurization gas of wind turbine is driven into the first air hose 751, with exporting the first hot exhaust gas progress for being in charge of 79 Heat exchange；Under abnormal conditions, such as heat exchanger 76 repairs or during failure, and pressurization gas is directly entered by the second air hose 752 Blast pipe 77 does not carry out heat exchange with hot exhaust gas, and after hot exhaust gas is in charge of the 80, first wind turbine 82 by second, it is removed by first Dirt device 84 realizes direct discharge.

Sieving feed proportioning system includes the first belt feeder 35 for conveying carbon materials, the second belt feeder for conveying lime 46, the first belt feeder 35 is connected at least one carbon materials vibrating screen 38, and the discharge of fine material mouth of carbon materials vibrating screen 38 is connected with carbon materials Filler bin 39, the coarse fodder discharge port of carbon materials vibrating screen 38 are connected with carbon materials coarse fodder storehouse 40, and carbon materials coarse fodder storehouse 40 is connected at least one A carbon materials oscillating feeder 41；Second belt feeder 46 is connected at least one lime vibrating screen 49, the powder of lime vibrating screen 49 Discharge port is connected with pulverized limestone feed bin 50, and the coarse fodder discharge port of lime vibrating screen 49 is connected with lime coarse fodder storehouse 51, lime coarse fodder Storehouse 51 is connected at least one lime oscillating feeder 52；Carbon materials oscillating feeder 41, lime oscillating feeder 52 are connected to Public conveyer 53, public conveyer 53 are connected to reversible belt machine 55, and the discharge port at 55 both ends of reversible belt machine connects respectively To lime batch bin 56, carbon materials batch bin 57.The carbon materials dried by drying machine 11 enter the first belt feeder 35, lime silo 74 Material enters the second belt feeder 46, and screening feed proportioning system carries out screening dispensing, lime batch bin 56, carbon to carbon materials, lime respectively The material of material batch bin 57 passes through after proportioning station dispensing, and reaction is participated in into furnace of calcium carbide 120, calcium carbide is prepared.It comes from The carbon materials of drying machine 11 enter the first belt feeder 35, and the lime from lime silo 74 enters the second belt feeder 46, after carrying out respectively Continuous conveying, screening, carbon materials vibrating screen 38, lime vibrating screen 49 realize the screening of carbon materials, lime, the coarse fodder grain filtered out respectively Footpath >=5mm is delivered to the raw material that batch bin is produced as calcium carbide, and the powder particle size ＜ 5mm filtered out are stored in filler bin, Powder influences the melting of calcium carbide, and the charge level in furnace of calcium carbide is easily made to form hard shell, and it is hidden to easily cause the safety such as material of collapsing during coming out of the stove Suffer from, the powder of collection can realize making full use of for raw material with to other field.Lime batch bin 56, carbon materials batch bin 57 Material can be delivered to proportioning station and carry out dispensing.

In carbon materials drying system, the gas outlet of drying machine 11 is connected with separator 34, and the gas outlet of separator 34 is connected with Second deduster 25, separator 34, the discharge of fine material mouth of the second deduster 25 are respectively connected with scrapper conveyor 27, i.e. separator 34, The discharge of fine material mouth of two dedusters 25 is connected to same scrapper conveyor 27, realizes and the unified of powder is recycled, the discharging of scrapper conveyor 27 Mouth is connected with the second ash bucket 30, and the discharge port of the second ash bucket 30, which is connected with the first twin shaft and crouches, stirs humidifier 32.Go out from drying machine 11 Contain a large amount of dust in the air-flow of gas port outflow, air-flow is carried out first time separation by separator 34, and dust is collected by separator 34 Afterwards into scrapper conveyor 27, gas carries out second into the second deduster 25 and separates, and the second deduster 25 carries out residual dust It collects, by the discharge port of the second deduster 25, also into scrapper conveyor 27, scrapper conveyor 27 collects powder unification, passes through first Unloading valve 28 is delivered to elevator 29, and the first unloading valve 28 plays the role of control material flow, and elevator 29 promotes powder To the second high-order ash bucket 30, the discharge port of the second ash bucket 30 is equipped with the second unloading valve 31, to control the flow of powder, second The powder of ash bucket 30 crouches into the first twin shaft and stirs humidifier 32, powder after the first twin shaft crouches and stirs 32 humidification process of humidifier again Discharge effectively avoids powder from generating a large amount of airborne dusts in discharge, and then effectively mitigates environmental pollution to transport vehicle.

The gas outlet of second deduster 25 is connected with the second wind turbine 26, and the gas outlet of the second wind turbine 26 is connected with the first chimney 33.Second wind turbine 26 plays scavenging action, since air-flow is derived from burning of coal, in order to mitigate environmental pollution, pass through first Chimney 33 realizes the high-level discharging of gas.

The gas outlet of oscillating feeder 3 is connected with the first deduster 21, and the gas outlet of the first deduster 21 is connected with first Wind turbine 24, the discharge port of the first deduster 21 are connected with spiral ash machine 22, the first ash bucket 23 in turn.Meeting in oscillating feeder 3 Certain airborne dust is generated, the first deduster 21 plays the role of separating dust, and spiral ash machine 22 plays control material flow Effect, the dust of collection are stored to after a certain amount of, you can outward transport for other industry, is realized to powder into the first ash bucket 23 Effective recycling of dirt, the first wind turbine 24 play the role of promoting Quick air-discharge.The discharge port of spiral ash machine 22, which is also equipped with, to be unloaded Grey valve, to realize the control to mass flow.

Belt conveyer scale 5 passes sequentially through tripper 6, stokehold feed bin 7, disk feeder 8, belt 9, air valve 10 and is connected to drying The feed inlet of machine 11.Stokehold feed bin 7 is larger, and tripper 6 is specifically as follows disk tripper, by material dispersion to stokehold feed bin 7 Each vacant position, material is avoided excessively to be accumulated in some region, and then from making full use of the space of stokehold feed bin 7, realized most Big loading amount.

Carbon materials drying system is further included for turning over the hydro-mechanical tipper 1 for sending material into raw material cabin 2, and hydro-mechanical tipper 1 wraps Sequentially connected hydraulic station 101, oil pump 102 are included, the hydraulic system that hydraulic station 101, oil pump 102 form provides hydro-mechanical tipper 1 The power of wagon box overturning, transport vehicle are sent after the wagon box of material discharge to hydro-mechanical tipper 1, wagon box turns over material to raw material cabin 2, Realize the efficient conveying of material.

Further include sequentially connected raw coal canopy 20, by coal scuttle 19, vibration coal feeder 18, coal breaker 17, coal hoist 16, stokehold Coal scuttle 15, feeder 14, the material in feeder 14 are delivered to fluidized bed furnace 12, and the air compartment air inlet of fluidized bed furnace 12 is connected with air blast Machine 13.Vibration coal feeder 18 plays the role of, to 17 uniform feeding of coal breaker, on the one hand effectively avoiding coal breaker 17 because of inlet amount It is excessive and block and stop, on the other hand, energy waste will not be caused due to the inlet amount of coal breaker 17 is too small, coal hoist 16 is by material High-order furnace bin 15 is promoted to, the material of furnace bin 15 enters feeder 14, and feeder 14 is realized equal to fluidized bed furnace 12 Even feeding, on the one hand, effectively avoid causing due to the coal input quantity of fluidized bed furnace 12 is excessive coal from fully burning, on the other hand, Effectively avoid causing the drying temperature of carbon materials inadequate due to the coal input quantity of fluidized bed furnace 12 is too small.Air blower 13 quickly conveys air To the air compartment of fluidized bed furnace 12, sufficient oxygen is provided for burning of coal.

Rod valve 201 is installed, the discharge port of the second ash bucket 30 is equipped with the second unloading valve on the discharge pipe of raw material cabin 2 31, realize effective control to mass flow.

Lime stone feeding calcination system further includes gas chamber 97, and gas chamber 97 is connected to limekiln by booster fan 98 69, bypass pipe 983 is communicated between the air inlet pipe 981 of booster fan 98, air outlet pipe 982, by-passing valve is installed on bypass pipe 983 984.By-passing valve 984 is to automatically control open and close according to 982 pressure of air outlet pipe height, ensures that the pressure of compressed coal gas meets Production needs, and general control is in 11-15kPa；When run into compressed gas pressure it is excessive when, if without by-passing valve 984, meeting Hypertonia in pipeline is caused, influences safety.

First wind turbine 82 is respectively communicated to the 4th deduster 84, the second chimney 88, the 4th deduster by hydraulic air door 83 84 air outlet is connected to the second chimney 88 by four fan device 87, and it is defeated that the discharge port of the 4th deduster 84 is sequentially connected to scraper plate Grey machine 85, the 4th ash bucket 86.The exhaust gas come out from limekiln 69 is handled by the 4th deduster 84, and powder is collected to the 4th ash In bucket 86, for other field, gas is pumped by four fan device 87 to the second chimney 88, by 88 high altitude discharge of the second chimney, Effectively reduce environmental pollution.It just can be without the 4th deduster 84 and four fan device when dust meets discharge standard in tail gas 87, directly discharged from the second chimney 88, when kiln top temperature is low, the 4th deduster 84 needs replacing cloth bag or overhauls, tail gas It can be from the second discharge temporarily of chimney 88.It is to have to pass through the 4th deduster 84 and four fan device 87 is handled under normal circumstances.

Vibrating screen 61, the air outlet of the second oscillating feeder 63 are connected to the air inlet of the 5th deduster 90, the 5th dedusting The air outlet of device 90 is connected to the 5th wind turbine 91, and the gas discharging of the 5th wind turbine 91 is into air.The discharging of 5th deduster 90 Mouth is sequentially connected to spiral ash machine 95, limestone powder silo 96.The ash-laden gas that vibrating screen 61, the second oscillating feeder 63 generate Body is effectively handled, and the limestone powder that limestone powder silo 96 is collected can also re-use.

The air outlet of limestone powder silo 96 is connected to the air inlet of the 5th deduster 90.Dusty gas is removed again Dirt processing.

Raw limestone storehouse 58 is connected to charging belt 60 by the first oscillating feeder 59, the first oscillating feeder 59 Air outlet is connected to the air inlet of the 6th deduster 93, and the air outlet of the 6th deduster 93 is connected to the 6th wind turbine 92, and the 6th removes The discharge port of dirt device 93 is connected to the 5th ash bucket 94.

Scale hooper 64 is equipped between second oscillating feeder 63 and elevating hopper 66, the discharge port of scale hooper 64 is equipped under hydraulic pressure Bin gate 65 realizes the accurate control to material discharge.

Further, the hoist engine 67 that control elevating hopper 66 carries out feeding is further included, elevating hopper 66 passes through on limekiln 69 The feeding into limekiln 69 of lock air door 68.It locks air door 68 and locks air door for double-layer hydraulic.

The discharge port in limekiln 69 is connected with vibration ash hoist 71, reversible belt machine 72 in turn, and reversible belt machine 72 is distinguished It is connected to lime silo 74, collecting bin 73.The lime that lime silo 74 is stored is for subsequent production, when lime production is higher than our company During demand, collecting bin 73 is for collecting extra lime finished product, convenient for taking out.

Further, the centrifugal blower 70 that cooling wind is conveyed to limekiln 69 is further included so that filled inside limekiln 69 Divide cooling.

It sieves in feed proportioning system, carbon materials vibrating screen 38, the air outlet of carbon materials oscillating feeder 41 are connected with the first dedusting system System, lime vibrating screen 49, the air outlet of lime oscillating feeder 52 are connected with the second dust pelletizing system, the outlet air of reversible belt machine 55 Mouth is connected with the 3rd dust pelletizing system.The conveying of vibration screening, vibrating feed, reversible belt can generate a large amount of airborne dusts, therefore, adopt Carry out dust collection with dust pelletizing system, on the one hand effectively avoid environmental pollution, on the other hand, the powder of recycling can also with to its Refuse reclamation is realized in his field.

First dust pelletizing system, the second dust pelletizing system, the 3rd dust pelletizing system include the 3rd deduster 42, spiral ash machine 43rd, the 3rd ash bucket 44, the 3rd wind turbine 45, the discharge port of the 3rd deduster 42 are connected to spiral ash machine 43, spiral ash machine 43 In material be delivered to the 3rd ash bucket 44, the air outlet of the 3rd deduster 42 is connected to the 3rd wind turbine 45.Pass through the 3rd deduster 42 purified gases are excluded from the air outlet of the 3rd wind turbine 45, effectively avoid environmental pollution.The discharge port of spiral ash machine 43 Star-shaped dust-discharging valve is additionally provided with, with the flow of control material.

First belt feeder 35 is connected at least two carbon materials belt feeders 37 by the second tripper 36, and carbon materials belt feeder 37 connects It is connected to carbon materials vibrating screen 38.Second tripper 36 is style three-way distributor, and carbon materials belt feeder 37 is two, is connected to three reduction of fractions to a common denominators In two outlets of glassware, the import of style three-way distributor is connected on the first belt feeder 35, and each carbon materials belt feeder 37, which corresponds to, to be connected Connect a carbon materials vibrating screen 38, when a wherein strip transmission line breaks down, another line can normal feeding, keep production It is carried out continuously.

Second belt feeder 46 is connected at least two lime belt feeders 48 by the 3rd tripper 47, and lime belt feeder 48 connects It is connected to lime vibrating screen 49.3rd tripper 47 is also style three-way distributor, and lime belt feeder 48 is two, is connected to threeway In two outlets of tripper, the import of style three-way distributor is connected on the second belt feeder 46, and each lime belt feeder 48 corresponds to Connect a lime vibrating screen 49, when a wherein strip transmission line breaks down, another line can normal feeding, keep producing Be carried out continuously.

Public conveyer 53 is connected to reversible belt machine 55 by the 4th tripper 54.4th tripper 54 is threeway sub-material Device, public conveyer 53 convey lime, carbon materials as needed, make full use of public conveyer 53, on the one hand save equipment cost, On the other hand so that production line is succinctly efficient.In the present embodiment, carbon materials coarse fodder storehouse 40, lime coarse fodder storehouse 51 are two, each Carbon materials coarse fodder storehouse 40 is connected in parallel two carbon materials oscillating feeders 41, and each lime coarse fodder storehouse 51 is connected in parallel two lime vibrations Batcher 52, public conveyer 53 can be set to parallel two, wherein a public conveyer 53 passes through belt and each line On a carbon materials oscillating feeder 41, a socle ash oscillating feeder 52 connect, another public conveyer 53 passes through belt Be connected with another carbon materials oscillating feeder 41, another socle ash oscillating feeder 52 on each line, play the role of it is spare, when When wherein a public conveyer 53 breaks down, another can smoothly enable, and keep the continuity of production.

The offgas outlet of furnace of calcium carbide 120 be sequentially communicated gravitational settler 121, thick gas wind turbine 122, cloth envelop collector 124, Net gas wind turbine 125, cooling tank 126, gas holder 130, the air outlet of gas holder 130 are connected to booster fan 98 so that furnace of calcium carbide 120 Tail gas is recycled；The discharge port of gravitational settler 121 is connected with the first plate chain type conveyer 123, cloth envelop collector 124 Discharge port is connected with the second plate chain type conveyer 127, the discharging of the first plate chain type conveyer 123, the second plate chain type conveyer 127 Mouth is connected with ash cellar 128, and the discharge port of ash cellar 128, which is connected with the second twin shaft and crouches, stirs humidifier 129, and the material of recycling is by humidification It is discharged after processing, effectively avoids pollution of the airborne dust to environment, the air outlet of net gas wind turbine 125 is also connected to cloth bag mistake by pipeline Purified gas by blowback motor, is connected to the injection on 124 top of cloth envelop collector by the injection tube on 124 top of filter Pipe, plays the role of blowback cloth bag, is unlikely to the cloth bag of cloth envelop collector 124 and results in blockage because purification ash is excessive, shadow Purification efficiency is rung, therefore, this arrangement enhances purification efficiencies.First plate chain type conveyer 123, the second plate chain type conveyer 127 It is closed, does not interfere with surrounding air environment.

In conclusion the present invention realizes the drying of carbon materials, broken and calcining, carbon materials and lime the Automatic sieve of lime stone Point, the energy of the generation in production process is made full use of, realizes the reuse of discarded object, effectively reduces production cost, improves production Efficiency.

The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as Into all equivalent modifications or change, should by the present invention claim be covered.

Claims (8)

1. a kind of system for producing calcium carbide, which is characterized in that match somebody with somebody including carbon materials drying system, lime stone feeding calcination system, screening Material system, the carbon materials drying system, lime stone feeding calcination system are connected to screening feed proportioning system, the screening dispensing system System is connected to furnace of calcium carbide（120）, the carbon materials drying system includes feed system and the drying machine that is connected with the feed system （11）, the drying machine（11）It is connected with fluidized bed furnace（12）, the feed system include sequentially connected raw material cabin（2）, vibration Batcher（3）, belt conveyer scale（5）, belt conveyer scale（5）Material be delivered to drying machine（11）, the drying machine（11）Air inlet connect Pass to fluidized bed furnace（12）；The lime stone feeding calcination system includes sequentially connected raw limestone storehouse（58）, charging belt （60）, vibrating screen（61）, stokehold feed bin（62）, the second oscillating feeder（63）, elevating hopper（66）, limekiln（69）, further include Drive wind turbine（75）, the driving wind turbine（75）Air outlet pass through the first air hose respectively（751）And heat exchanger（76）Even Pass to blast pipe（77）, pass through the second air hose（752）Directly it is connected to blast pipe（77）, the blast pipe（77）It is connected to lime Kiln（69）, the heat exchanger（76）Air outlet be also connected to blast pipe（77）, the limekiln（69）Discharge pipe（78） It is in charge of respectively by first（79）It is connected to heat exchanger（76）, be in charge of by second（80）It is connected to the first wind turbine（82）；Institute Stating screening feed proportioning system includes the first belt feeder for conveying carbon materials（35）, the second belt feeder for conveying lime（46）, First belt feeder（35）It is connected at least one carbon materials vibrating screen（38）, the carbon materials vibrating screen（38）Discharge of fine material mouth It is connected with carbon materials filler bin（39）, the carbon materials vibrating screen（38）Coarse fodder discharge port be connected with carbon materials coarse fodder storehouse（40）, it is described Carbon materials coarse fodder storehouse（40）It is connected at least one carbon materials oscillating feeder（41）；Second belt feeder（46）It is connected at least one A lime vibrating screen（49）, the lime vibrating screen（49）Discharge of fine material mouth be connected with pulverized limestone feed bin（50）, the lime Vibrating screen（49）Coarse fodder discharge port be connected with lime coarse fodder storehouse（51）, the lime coarse fodder storehouse（51）It is connected at least one stone Grey oscillating feeder（52）；The carbon materials oscillating feeder（41）, lime oscillating feeder（52）It is connected to public conveyer （53）, the public conveyer（53）It is connected to reversible belt machine（55）, reversible belt machine（55）The discharge port at both ends connects respectively It is connected to lime batch bin（56）, carbon materials batch bin（57）；The carbon materials vibrating screen（38）, carbon materials oscillating feeder（41）Outlet air Mouth is connected with the first dust pelletizing system, the lime vibrating screen（49）, lime oscillating feeder（52）Air outlet be connected with second Dust pelletizing system, the reversible belt machine（55）Air outlet be connected with the 3rd dust pelletizing system, first dust pelletizing system, second remove Dirt system, the 3rd dust pelletizing system include the 3rd deduster（42）, spiral ash machine（43）, the 3rd ash bucket（44）, the 3rd wind turbine （45）, the 3rd deduster（42）Discharge port be connected to the spiral ash machine（43）, the spiral ash machine（43）In Material be delivered to the 3rd ash bucket（44）, the 3rd deduster（42）Air outlet be connected to the 3rd wind turbine（45）；Institute State the first belt feeder（35）Pass through the second tripper（36）It is connected at least two carbon materials belt feeders（37）, the carbon materials belt feeder （37）It is connected to the carbon materials vibrating screen（38）, second belt feeder（46）Pass through the 3rd tripper（47）It is connected at least two A lime belt feeder（48）, the lime belt feeder（48）It is connected to the lime vibrating screen（49）, the public conveyer （53）Pass through the 4th tripper（54）It is connected to the reversible belt machine（55）.

2. system for producing calcium carbide according to claim 1, it is characterised in that：The drying machine（11）Gas outlet be connected with Separator（34）, the separator（34）Gas outlet be connected with the second deduster（25）, the separator（34）, the second dedusting Device（25）Discharge of fine material mouth be respectively connected with scrapper conveyor（27）, the scrapper conveyor（27）Discharge port be connected with the second ash bucket （30）, second ash bucket（30）Discharge port be connected with the first twin shaft and crouch and stir humidifier（32）, second deduster（25） Gas outlet be connected with the second wind turbine（26）, second wind turbine（26）Gas outlet be connected with the first chimney（33）.

3. system for producing calcium carbide according to claim 1, it is characterised in that：The oscillating feeder（3）Gas outlet connect It is connected to the first deduster（21）, first deduster（21）Gas outlet be connected with the first wind turbine（24）, first dedusting Device（21）Discharge port be connected with spiral ash machine in turn（22）, the first ash bucket（23）；It further includes for the raw material cabin（2） In turn over the hydro-mechanical tipper for sending material（1）；The belt conveyer scale（5）Pass sequentially through tripper（6）, stokehold feed bin（7）, disc feeding Machine（8）, belt（9）, air valve（10）It is connected to drying machine（11）Feed inlet, further include sequentially connected raw coal canopy（20）、 By coal scuttle（19）, vibration coal feeder（18）, coal breaker（17）, coal hoist（16）, furnace bin（15）, feeder（14）, it is described Feeder（14）In material be delivered to the fluidized bed furnace（12）, the fluidized bed furnace（12）Air compartment air inlet be connected with air blower （13）.

4. system for producing calcium carbide according to claim 1, it is characterised in that：The lime stone feeding calcination system include according to The raw limestone storehouse of secondary connection（58）, charging belt（60）, vibrating screen（61）, stokehold feed bin（62）, the second oscillating feeder （63）, elevating hopper（66）, limekiln（69）, further include driving wind turbine（75）, the driving wind turbine（75）Air outlet lead to respectively Cross the first air hose（751）And heat exchanger（76）It is connected to blast pipe（77）, pass through the second air hose（752）Directly be connected into Air hose（77）, the blast pipe（77）It is connected to limekiln（69）, the heat exchanger（76）Air outlet be also connected to air inlet Pipe（77）, the limekiln（69）Discharge pipe（78）It is in charge of respectively by first（79）It is connected to heat exchanger（76）, pass through Second is in charge of（80）It is connected to the first wind turbine（82）, the heat exchanger（76）Also pass through exhaust gas air hose（81）It is connected to the first wind Machine（82）.

5. system for producing calcium carbide according to claim 4, it is characterised in that：Further include gas chamber（97）, the gas chamber （97）Pass through booster fan（98）It is connected to limekiln（69）, the booster fan（98）Air inlet pipe（981）, air outlet pipe （982）Between be communicated with bypass pipe（983）, the bypass pipe（983）On by-passing valve is installed（984）, first wind turbine （82）Pass through hydraulic air door（83）It is respectively communicated to the 4th deduster（84）, the second chimney（88）, the 4th deduster（84） Air outlet pass through four fan device（87）It is connected to the second chimney（88）, the 4th deduster（84）Discharge port be sequentially connected To scraper ash-transmission machine（85）, the 4th ash bucket（86）, the vibrating screen（61）, the second oscillating feeder（63）Air outlet be connected to 5th deduster（90）Air inlet, the 5th deduster（90）Air outlet be connected to the 5th wind turbine（91）, the described 5th Deduster（90）Discharge port be sequentially connected to spiral ash machine（95）, limestone powder silo（96）, the limestone powder silo （96）Air outlet be connected to the 5th deduster（90）Air inlet.

6. system for producing calcium carbide according to claim 4, it is characterised in that：The raw limestone storehouse（58）Pass through first Oscillating feeder（59）It is connected to charging belt（60）, first oscillating feeder（59）Air outlet be connected to the 6th dedusting Device（93）Air inlet, the 6th deduster（93）Air outlet be connected to the 6th wind turbine（92）, the 6th deduster （93）Discharge port be connected to the 5th ash bucket（94）, second oscillating feeder（63）With elevating hopper（66）Between be equipped with weigh Bucket（64）, the scale hooper（64）Discharge port be equipped with hydraulic pressure discharge door（65）.

7. system for producing calcium carbide according to claim 4, it is characterised in that：Further include control elevating hopper（66）Carry out feeding Hoist engine（67）, the elevating hopper（66）Pass through limekiln（69）On lock air door（68）To limekiln（69）Middle feeding, institute State limekiln（69）Discharge port be connected with vibration ash hoist in turn（71）, reversible belt machine（72）, the reversible belt machine （72）It is respectively connected to lime silo（74）, collecting bin（73）, further include to limekiln（69）The centrifugal blower of conveying cooling wind （70）, first air hose（751）, the second air hose（752）, first be in charge of（79）, second be in charge of（80）On be mounted on controlling Valve（89）.

8. system for producing calcium carbide according to claim 5, it is characterised in that：The furnace of calcium carbide（120）Offgas outlet according to It is secondary to be communicated with gravitational settler（121）, thick gas wind turbine（122）, cloth envelop collector（124）, net gas wind turbine（125）, cooling tank （126）, gas holder（130）, the gas holder（130）Air outlet be connected to the booster fan（98）；The gravitational settler （121）Discharge port be connected with the first plate chain type conveyer（123）, the cloth envelop collector（124）Discharge port be connected with Two plate chain type conveyers（127）, first plate chain type conveyer（123）, the second plate chain type conveyer（127）Discharge port connect It is connected to ash cellar（128）, the ash cellar（128）Discharge port be connected with the second twin shaft and crouch and stir humidifier（129）, the net gas wind turbine （125）Air outlet be also connected to cloth envelop collector（124）Injection tube.