CN206073739U - A kind of pig iron foundry furnace - Google Patents

Abstract

This utility model discloses a kind of pig iron foundry furnace, including body of heater, body of heater upper end arranges dust arrester, dust arrester includes primary dust removing mechanism and two-stage dust removal mechanism, primary dust removing mechanism includes the elbow one being fixedly connected sequentially, VERTICAL TUBE one, tipping tube, VERTICAL TUBE two and elbow two, elbow one is tightly connected with outlet flue, VERTICAL TUBE one, through hole is respectively provided with tipping tube and VERTICAL TUBE two, through hole interior sealing connects spray structure, spray structure one end connects water-supply-pipe and arranges control module, the other end of spray structure arranges shower nozzle and temperature sensing module, pressurized construction is set in shower nozzle, temperature sensing module, control module, pressurized construction is sequentially connected electrically.This utility model carries out lowering the temperature to the high-temperature flue gas in foundry furnace while carrying out rough dusting, then through the further dedusting of two-stage dust removal mechanism, mechanism design can effectively reduce damage of the high-temperature gas to two-stage dust removal mechanism by arranging primary dust removing mechanism.

Description

A kind of pig iron foundry furnace

Technical field

This utility model belongs to heavy metal melting industry dedusting technology field, particularly a kind of pig iron foundry furnace.

Background technology

Currently, the situation is tense for China's atmospheric pollution, with pellet（PM10）, fine particle（PM2.5）It is characterized The smoke-dust environmental problem of pollutant becomes increasingly conspicuous, and the whole nation haze weather, particularly a tier 2 cities occurs more and is particularly acute, Infringement body health of people, affects social harmony stable.Steel industry is in fusion process, there is provided the coal of heat is in burning After there is substantial amounts of dust, airborne dust not only have impact on site environment, and cause injury to operating personnel's body and mind.

Conventional dust collection method is gravitational dust collection, bag-type dust or cyclone dust removal, but in manufacture of iron and steel by melting field, melting Flue gas in stove is often high-temperature gas, and irreversible damage is easily caused to dust arrester using conventional dust collection method.

Utility model content

In view of this, the purpose of this utility model is for the deficiencies in the prior art, there is provided a kind of pig iron foundry furnace, is passed through Primary dust removing mechanism is set, the high-temperature flue gas in foundry furnace is carried out lowering the temperature while carry out rough dusting, then through two-stage dust removal The further dedusting of mechanism, mechanism design can effectively reduce damage of the high-temperature gas to two-stage dust removal mechanism.

To reach above-mentioned purpose, this utility model is employed the following technical solutions：

Pig iron foundry furnace, including body of heater, the body of heater side arrange charging aperture, and the body of heater lower end arranges discharging opening, institute State body of heater upper end and outlet flue is set, the outlet flue upper end arranges dust arrester, and the dust arrester includes primary dust removing mechanism With two-stage dust removal mechanism, elbow one that the primary dust removing mechanism includes being fixedly connected sequentially, VERTICAL TUBE one, tipping tube, vertically Pipe two and elbow two, the elbow one are tightly connected with the outlet flue, the VERTICAL TUBE one, tipping tube and the VERTICAL TUBE two On be respectively provided with through hole, the through hole interior sealing connects spray structure, and spray structure one end connection water-supply-pipe simultaneously arranges control Module, the other end of the spray structure arrange shower nozzle and temperature sensing module, and pressurized construction, the temperature are set in the shower nozzle The outfan of sensing module is electrically connected with the control module input, the outfan of the control module and the pressurized construction Electrical connection, the elbow two are connected with the two-stage dust removal mechanism seals.

Further, the spray structure arranges fluid flow induction module and warning mould away from one end of the shower nozzle Block, the outfan of the fluid flow induction module are electrically connected with the input of the control module, the control module it is defeated Go out end to electrically connect with the alarm module.

Further, the shower nozzle is Fine spray shower nozzle, and the two-stage dust removal mechanism is cyclone dust extractor or bag-type dust Device.

The beneficial effects of the utility model are：

1. dust arrester of the present utility model includes primary dust removing mechanism and two-stage dust removal mechanism, and primary dust removing mechanism includes Elbow one, VERTICAL TUBE one, tipping tube, VERTICAL TUBE two and the elbow two being fixedly connected sequentially, wherein elbow one and foundry furnace smoke Mouth is fixedly connected, and elbow two is connected with two-stage dust removal mechanism seals, is respectively provided with logical in VERTICAL TUBE one, tipping tube and VERTICAL TUBE two Hole, through hole interior sealing are fixedly connected spray structure, spray structure can be vertically fixed in through hole can also ball pivot be connected to it is logical In hole, one end that spray structure is located at outside VERTICAL TUBE one is communicated with water-supply-pipe, and water-supply-pipe can be multiple sprinkling knots using one Structure is supplied water, water-supply-pipe may be designed in it is multiple individually supply water for multiple spray structures, this flexible structure is changeable, sprinkling Control module is installed in the outer end of structure, and the inner of spray structure arranges shower nozzle and temperature sensing module, pressurized construction is set in shower nozzle, The outfan of temperature sensing module is electrically connected with control module input, and the outfan of control module is electrically connected with pressurized construction；

In use, spray structure carries out lowering the temperature and first this utility model to the in-house high-temperature gas of primary dust removing Step dedusting, is prevented effectively from the damage that high-temperature gas is brought to two-stage dust removal mechanism, wherein temperature sense module sensing primary dust removing The temperature of diverse location in mechanism, for the higher position of temperature, temperature sense module transfer signal controls mould to control module Block gives an order increases the injection flow rate of shower nozzle to pressurized construction, and this structure design is targetedly dropped for localized high temperature regions Temperature, so that the gas temperature into two-stage dust removal mechanism is consistent, two-stage dust removal mechanism is cyclone dust extractor or cloth bag The conventional dust removal devices such as cleaner unit, improve the safety in production process, the wherein knot of VERTICAL TUBE one, tipping tube and VERTICAL TUBE two Structure is designed with beneficial to the high-temperature gas in foundry furnace is smoothly discharged, and the entirety that can be not only effectively increased primary dust removing mechanism is long Degree, and reduce the occupation of land space of whole mechanism.

2. spray structure arranges fluid flow induction module and alarm module, fluid flow sensing mould away from one end of shower nozzle The outfan of block is electrically connected with the input of control module, the outfan of control module and the electrical connection of alarm module, long-time During use, easily there is the problem for blocking in water-supply-pipe or spray structure, by arranging fluid flow in spray structure Induction module is monitored to the water for spraying, and when there is the situation that injection flow rate is few or does not spray water, fluid flow induction module is passed To control module, control module gives an order defeated signal to alarm module, and alarm module work prompting staff targetedly arrange Look into water spray failure.

3. shower nozzle can adopt Fine spray shower nozzle, vaporific water be fully contacted with the dust in flue gas, not only effectively carry The cooling-down effect of high water spray and rough dusting effect can be improved.

In sum, this utility model has good cooling effect, and automatically controls the high advantage of degree.

Description of the drawings

Structural representations of the Fig. 1 for this utility model embodiment one；

Fig. 2 is the theory diagram that automatically controls in this utility model embodiment one；

Fig. 3 is the theory diagram that automatically controls in this utility model embodiment two.

In figure：1- elbows one, 2- VERTICAL TUBEs one, 3- tipping tubes, 4- VERTICAL TUBEs two, 5- elbows two, 6- spray structures, 7- are defeated Water pipe, 8- control modules, 9- shower nozzles, 10- temperature sensing modules, 11- pressurized constructions, 12- sack cleaners, 13- fluid floies Induction module, 14- alarm modules, 16- bodies of heater, 17- charging apertures, 18- discharging openings, 19- outlet flues.

Specific embodiment

With reference to the accompanying drawings and examples this utility model is further described.

Embodiment one

As depicted in figs. 1 and 2, this utility model includes body of heater 16, and 16 side of body of heater arranges charging aperture 17,16 lower end of body of heater Discharging opening 18 is set, and 16 upper end of body of heater arranges outlet flue 19, and 19 upper end of outlet flue arranges dust arrester, and dust arrester includes one-level Dedusting mechanism and two-stage dust removal mechanism, primary dust removing mechanism include elbow 1, the VERTICAL TUBE one 2, tipping tube being fixedly connected sequentially 3rd, VERTICAL TUBE 24 and elbow 25, elbow 1 are sealedly and fixedly connected with outlet flue 19, VERTICAL TUBE 1, tipping tube 3 and VERTICAL TUBE Through hole is respectively provided with 24（It is not shown）, through hole interior sealing connection spray structure 6, spray structure 6 are located at the outer of primary dust removing mechanism End connection water-supply-pipe 7 simultaneously arranges control module 8, and water-supply-pipe 7 is simultaneously supplied water for multiple spray structures 6, spray structure 6 The other end shower nozzle 9 and temperature sensing module 10 be set, shower nozzle 9 be Fine spray shower nozzle and its in set pressurized construction 11, pressurized construction 11 adopt the outfan of turbo charging installation, temperature sensing module 10 to electrically connect with 8 input of control module, control module 8 Outfan is electrically connected with pressurized construction 11, and two-stage dust removal mechanism is sack cleaner 12, and elbow 25 entered with sack cleaner 12 Mouth be tightly connected and elbow 25 minimum point higher than sack cleaner 12 minimum point.

Increase in primary dust removing mechanism in the present embodiment and automatically control cooling structure, can detect in primary dust removing mechanism High-temperature region, targetedly gas is lowered the temperature, it is ensured that in two-stage dust removal mechanism, gas temperature is controllable monitors, in advance Anti- two-stage dust removal mechanism is subject to the phenomenon of high temperature loss to occur, and gas is carried out thoroughly by the pond in 3-stage dust-removal mechanism Dedusting and cooling, effective protection environment.

Embodiment two

This utility model includes body of heater 16, and 16 side of body of heater arranges charging aperture 17, and 16 lower end of body of heater arranges discharging opening 18, stove 16 upper end of body arranges outlet flue 19, and 19 upper end of outlet flue arranges dust arrester, and dust arrester includes primary dust removing mechanism and two grades Dedusting mechanism, elbow 1 that primary dust removing mechanism includes being fixedly connected sequentially, VERTICAL TUBE 1, tipping tube 3,24 and of VERTICAL TUBE Elbow 25, elbow 1 are sealedly and fixedly connected with outlet flue 19, are respectively provided with logical in VERTICAL TUBE 1, tipping tube 3 and VERTICAL TUBE 24 Hole（It is not shown）, through hole interior sealing connection spray structure 6, spray structure 6 are located at the outer end connection water-supply-pipe 7 of primary dust removing mechanism And control module 8, fluid flow induction module 13 and alarm module 14 be set, water-supply-pipe 7 one be multiple spray structures 6 Supplied water, the other end of spray structure 6 arranges shower nozzle 9 and temperature sensing module 10, shower nozzle 9 be Fine spray shower nozzle and its in set increasing Laminated structure 11, pressurized construction 11 adopt turbo charging installation, the output of temperature sensing module 10 and fluid flow induction module 13 End is electrically connected with 8 input of control module, and the outfan of control module 8 is electrically connected with pressurized construction 11 and alarm module 14, Two-stage dust removal mechanism be sack cleaner 12, elbow 25 be connected with the inlet seal of sack cleaner 12 and elbow 25 it is minimum Minimum point of the point higher than sack cleaner 12

The present embodiment is essentially identical with the structure of embodiment one, except for the difference that：Flow is set up as shown in Figure 3 and is automatically controlled be System, spray structure outer end set up fluid flow induction module 13 and alarm module 14, when the situation for spray structure blocking occur, liquid Body flow sensing module transfer signal 13 gives an order to alarm module 14,14 work of alarm module to control module 8, control module 8 Make prompting staff and targetedly investigate water spray failure.

Finally illustrate, above example only to illustrate the technical solution of the utility model and unrestricted, this area Other modifications or equivalent that those of ordinary skill is made to the technical solution of the utility model, without departing from this practicality The spirit and scope of new technique scheme, all should cover in the middle of right of the present utility model.

Claims (3)

1. a kind of pig iron foundry furnace, including body of heater, the body of heater side arrange charging aperture, and the body of heater lower end arranges discharging opening, The body of heater upper end arranges outlet flue, and the outlet flue upper end arranges dust arrester, it is characterised in that：The dust arrester includes Primary dust removing mechanism and two-stage dust removal mechanism, elbow one that the primary dust removing mechanism includes being fixedly connected sequentially, VERTICAL TUBE one, Tipping tube, VERTICAL TUBE two and elbow two, the elbow one are tightly connected with the outlet flue, the VERTICAL TUBE one, tipping tube and Through hole is respectively provided with the VERTICAL TUBE two, the through hole interior sealing connects spray structure, and described spray structure one end connects water delivery Control module is managed and arranges, the other end of the spray structure arranges shower nozzle and temperature sensing module, supercharging is set in the shower nozzle Structure, the outfan of the temperature sensing module are electrically connected with the control module input, the outfan of the control module Electrically connect with the pressurized construction, the elbow two is connected with the two-stage dust removal mechanism seals.

2. pig iron foundry furnace according to claim 1, it is characterised in that：The one end of the spray structure away from the shower nozzle Fluid flow induction module and alarm module are set, and the outfan of the fluid flow induction module is defeated with the control module Enter end electrical connection, the outfan of the control module is electrically connected with the alarm module.

3. pig iron foundry furnace according to claim 1, it is characterised in that：The shower nozzle is Fine spray shower nozzle, and described two grades are removed Dirt mechanism is cyclone dust extractor or sack cleaner.