CN201704264U

CN201704264U - Dry semicoke quenching device of vertical internal heating type open carbonization furnace

Info

Publication number: CN201704264U
Application number: CN2010202122903U
Authority: CN
Inventors: 王建平; 刘在堂
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-02
Filing date: 2010-06-02
Publication date: 2011-01-12
Anticipated expiration: 2020-06-02

Abstract

The utility model relates to a dry semicoke quenching device of a vertical internal heating type open carbonization furnace, which comprises a coke carriage, water spray pipes/a coke pusher rod, a large coke quenching groove, a buried scraper, a pressure regulating valve, a first semicoke bin, a first switch, a second semicoke bin, a second switch and a belt conveyor. Two porous water spray pipes are respectively arranged on two sides of a semicoke pile between a coke discharge port and the coke carriage, and a self-control device is arranged on each water spray pipe, the coke pusher rod is arranged above the coke carriage, the large coke quenching groove is arranged below the coke carriage, the pressure regulating valve is installed on the large coke quenching groove, the buried scraper is arranged at the bottom of the large coke quenching groove, the buried scraper is connected with the first semicoke bin, the bottom end of the first semicoke bin is connected with second semicoke bin and is separated from the second semicoke bin through the first switch, the second switch is arranged at the bottom end of the second semicoke bin, and the belt conveyor is arranged on the lower portion of the second semicoke bin. In the dry semicoke quenching device, the two water spray pipes on two sides of the coke carriage are used to spray water for the carbonized red-hot semicoke. Steam generated after water spraying quenches semicoke, the quenched semicoke is scrapped off from the sealed large coke quenching groove through the buried scraper, water content of the semicoke is about 8%, and a traditional drying procedure is omitted. Taking a 75000-ton semicoke production line as an example, about 44 cubic meters water is saved, gas is saved, and air pollution is reduced.

Description

The dried equipment that puts out blue charcoal of vertical internally-heated hollow charring furnace

Technical field

The utility model relates to the equipment that blue charcoal is produced.

Background technology

Blue charcoal is the deep processed product of coal, and the smart coal cinder of high-quality dwarf sieve that utilizes Shenfu coalfield to abound with is fired and formed.Blue charcoal is as a kind of novel carbon material, with its fixed carbon height, than resistance height, chemically reactive height, contain the characteristic that ash is low, aluminium is low, sulphur is low, phosphorus is low, progressively replace metallurgical coke and extensively apply to calcium carbide, iron alloy, ferrosilicon. in the production of products such as silicon carbide, become a kind of irreplaceable carbon material.

The production of blue charcoal is extensively adopted the method for the blue charcoal of hydra, i.e. " wet method ": fill with water in the quenching vat of vertical internally-heated hollow charring furnace, the coke discharging mouth about 350MM of the depth of water place of submerging.When the blue charcoal after the carbonization moves in charring furnace from top to down, discharge from each coke discharging mouth, drop down onto the burnt plate of holder, hold in the palm the coke pushing thick stick at burnt plate middle part, do tangential movement on the burnt plate of holder top, blue charcoal is pushed away the burnt plate of holder from holding in the palm burnt plate both sides, fall into big trench bottom.The scraper plate machine that is located at big trench bottom scrapes vat with blue charcoal, and is promoted to dryer, has finished the water extinguishing process of blue charcoal, and blue charcoal is scraped in the vat.

Be promoted to the blue charcoal of dryer, water ratio about 35%.The casing of dryer for tilting, and a scraper plate machine is installed, the blue charcoal in scraper plate machine darby the place ahead slowly moves extremely down from the slope casing with darby.Scraper plate machine casing is about 15M, wide about 2.3M.On whole casing top, uniform many jet pipes, mixed coal gas and air are from the ejection of the aperture of each jet pipe and catch fire, produce 700-900 ℃ high-temperature gas, the constantly moisture blue charcoal oven dry of motion of jet pipe bottom will be distributed on, about 10% from the terminal blue charcoal water ratio of discharging of dryer, reached the purpose of blue charcoal oven dry.

Above-mentioned two cover facilities have experienced in water hot blue charcoal to extinguish, pull out, the whole process of oven dry again.This technology water loss is big, the blue charcoal water ratio height (about 35%) that extinguishes, and need a secondary treatment process---light oven dry with coal gas, it is numerous and diverse to make product sequence, and consume a large amount of energy, also caused environmental pollution.

Summary of the invention

The purpose of this utility model is, overcomes the deficiency of existing blue charcoal production unit, provides a kind of operation simple, saves the energy, pollutes the little dried blue charcoal equipment that puts out.

The utility model is achieved in that

At the burnt plate of coke discharging mouth peripheral hardware holder, a porous water pipe is respectively established in the blue charcoal heap both sides between coke discharging mouth and the burnt plate of holder, and porous water pipe is provided with self-con-tained unit; Be provided with pushing ram above the burnt plate of holder, ask burnt plate below to be provided with the quenching vat, on the quenching vat pressure regulator valve is housed, the big trench bottom of quenching buries the scraper plate machine.Burying the scraper plate machine links to each other with the first blue charcoal feed bin, bottom, the first blue charcoal storehouse links to each other with the second blue charcoal storehouse, and the centre is separated by first switch, and second switch is arranged at bottom, the second blue charcoal storehouse, bottom, the second blue charcoal storehouse is provided with rotary conveyor, and the blue charcoal after rotary conveyor will extinguish transfers out (to blue charcoal stockyard).

The beneficial effects of the utility model are:

Compare traditional method with traditional method: the good red-hot blue charcoal that makes carbonization falls into the water and extinguishes, and the scraper plate machine is pulled out, again with the oven dry of coal gas naked light.And novel method is: make the good red-hot blue charcoal of charing, spray water to blue charcoal simultaneously with two water jet standpipes in the burnt plate of holder both sides, the water spray back produces steam, and blue charcoal is extinguished.Blue charcoal after extinguishing scrapes in airtight quenching vat with burying the scraper plate machine, the blue charcoal water ratio about 8% of this moment---be the qualified blue charcoal product of water ratio.Need not dry.

With 7.5 ten thousand tons of blue charcoal production lines is example, traditional method: the about 79M3 of (24 hours) water consumption every day, and water consumption is big, the blue charcoal of pulling out from water Tumblies Dry, the thermal source of dryer is a coal gas, about 72000 M3 of consumption coal gas every day (24 hours), and waste gas after burning has caused serious atmospheric pollution; And the utility model only uses an amount of water (automatization control injection flow rate) generation steam to extinguish red-hot blue charcoal, and about 35 M3 of water consumption every day do not need secondary drying.New and old comparing, novel method about 44 M3 that economize on water every day.Save coal gas, reduced atmospheric pollution.

Description of drawings

Fig. 1 is an one-piece construction synoptic diagram of the present utility model

Among the figure, 1 water jet standpipe, the burnt plate of 2 holders, 3 pushing rams, 4 quenching vats, 5 bury scraper plate, 6 pressure regulator valves, 7 first blue charcoal storehouses, 8 first switches, 9 second blue charcoal storehouses, 10 second switches, 11 rotary conveyors.

Embodiment

Below in conjunction with embodiment of accompanying drawing narration, the utility model is described further.

Present embodiment dried puts out blue charcoal equipment, be a vertical internally-heated hollow charring furnace part, as shown in Figure 1, this is dried to put out blue charcoal equipment, at the burnt plate 2 of coke discharging mouth peripheral hardware holder, a porous water pipe 1 is respectively established in blue charcoal heap both sides between coke discharging mouth and the burnt plate 2 of holder, and water jet standpipe adopts the mode of water spray (by self-con-tained unit control water spraying time) at interval.Behind red-hot blue charcoal (about 350 ℃) water spray, produce steam, play the effect of extinguishing blue charcoal.Pushing ram 3 on the burnt plate of holder 2 tops, do left and right sides back and forth movement in the horizontal direction---drive by eccentric wheel, the about 140mm of distance of tangential movement, the blue charcoal that will extinguish constantly pushes away the burnt plate 2 of holder.The red-hot blue charcoal of coke discharging mouth constantly moves down, repetition is extinguished by steam, evenly and constantly falls into the bottom of quenching vat 4, is lowered the temperature once more by the steam that is full of in the quenching vat, at last bury scraper plate 5 conveyor delivery, fall into the first blue charcoal storehouse 7 by what be located at the big trench bottom sealing of quenching; After opening 8. first switch, blue charcoal falls into the second blue charcoal storehouse 9 then; Open behind the second switch 10, blue charcoal is delivered to blue charcoal stockyard, finished the dried whole process of putting out charcoal by belt transfer roller 11 outside the storehouse.First switch and the second switch in blue charcoal storehouse replace folding, and the steam in the quenching vat embedded scraper transporter is not leaked outside, and make pressure-fired and the furnace pressure kept in balance extinguished in the blue charcoal equipment.Pressure in the quenching vat is controlled its internal pressure of stove automatically by variable valve 6.Pressure in the quenching vat is detected by the tensimeter that is located at two places respectively, finishes the in a basic balance of furnace pressure and quenching vat internal pressure.

Claims

1. the dried equipment that puts out blue charcoal of vertical internally-heated hollow charring furnace, outside the coke discharging mouth, be provided with holder burnt plate (2), it is characterized in that: by water jet standpipe (1), pushing ram (3), quenching vat (4), bury scraper plate machine (5), pressure regulator valve (6), the first blue charcoal storehouse (7), first switch (8), the second blue charcoal storehouse (9), second switch (10), rotary conveyor (11) and form; A porous water pipe (1) is respectively established in blue charcoal heap both sides between coke discharging mouth and the burnt plate of holder (2), and water jet standpipe (1) is provided with self-con-tained unit; Be provided with pushing ram (3) in the burnt plate of holder (2) top, ask burnt plate (2) below to be provided with quenching vat (4), pressure regulator valve (6) is housed on the quenching vat, the big trench bottom of quenching buries scraper plate machine (5); Bury the scraper plate machine and link to each other with the first blue charcoal storehouse (7), bottom, the first blue charcoal storehouse links to each other with the second blue charcoal storehouse (9), and the centre is separated by first switch (8); There is second switch (10) bottom, the second blue charcoal storehouse (9), and bottom, the second blue charcoal storehouse is provided with rotary conveyor (11).