CN207555971U - A kind of hot-blast stove parking pass wind exhaust valve and its system - Google Patents

Abstract

A kind of hot-blast stove parking relates generally to hot blast stove system field with wind exhaust valve and its system is closed.Hot-blast stove parking is with pass wind exhaust valve by setting automatic exhaust device on flue, it can realize and automatic air draft and release heat are carried out after hot-blast stove parking, the concentration of furnace heat is effectively reduced, avoids high temperature risk caused by due to follow-up equipment stopping air inducing；Extractor fan by the structure setting of multiple exhaust-valves and at exhaust-valve air exit is set, further enhances the speed of exhaust cooling in stove, and help to improve effective delivery efficiency of heat.Therefore; above-mentioned hot-blast stove parking pass wind exhaust valve and its system; has good heat dissipation performance after hot-blast stove parking; and it can be ensured that stablizing for refractory brick utilidor heat exports; this not only improves heat output and recycles to reduce energy consumption; capacity usage ratio is improved, and helps to protect the miscellaneous equipment of hot blast stove system, shows good application value.

Description

A kind of hot-blast stove parking pass wind exhaust valve and its system

Technical field

The utility model is related to hot blast stove system fields, stop in particular to a kind of hot-blast stove with pass wind exhaust valve And its system.

Background technology

The one kind of hot-blast stove as thermal power machinery becomes electric heat source and conventional vapor power heat in many industries The regeneration product in source, common hot-blast stove can be divided into coal, Oil and gas fired boilers etc. according to fuel type.

However, in existing hot-blast stove, the refractory brick richness heat especially in steam stove due to hot-blast stove is big, resistance to after parking Firebrick also will continue to heat release, and follow-up equipment stops air inducing, easily causes follow-up equipment high temperature, so as to cause equipment Risk.

Utility model content

The purpose of this utility model is to provide a kind of hot-blast stoves to stop with wind exhaust valve is closed, and can stop in hot-blast stove After carry out automatic air draft, release heat, so as to effectively reduce the concentration of furnace heat, avoid because follow-up equipment stops Only air inducing and caused by high temperature risk.

The another object of the utility model is that providing a kind of hot-blast stove parking closes wind air draft valve system, including above-mentioned Hot-blast stove parking with wind exhaust valve is closed, have every advantage of above-mentioned hot-blast stove parking pass wind exhaust valve.

What the embodiment of the utility model was realized in：

A kind of hot-blast stove parking is with wind exhaust valve is closed, including refractory brick utilidor and flue, refractory brick heat preservation Pipeline is connected with flue, and port of the refractory brick utilidor far from flue is provided with fuel inlet, fuel inlet On be further opened with air inlet；Automatic exhaust device is provided on flue.

Further, in the utility model preferred embodiment, above-mentioned automatic exhaust device includes exhaust-valve, pneumatically holds Luggage is put to link with natural gas shut-off valve, Pneumatic actuator with exhaust-valve and natural gas shut-off valve respectively, Pneumatic actuator When opening exhaust-valve, natural gas shut-off valve is closed under the linkage effect of Pneumatic actuator.

Further, in the utility model preferred embodiment, above-mentioned Pneumatic actuator includes gas security, control Molding group and pneumatic executive module, gas security are set in flue, and control module communicates with gas security to be electrically connected It connects, pneumatic executive module is electrically connected with pneumatic executive module, and pneumatic executive module is driven with exhaust-valve and natural gas shut-off valve Connection.

Further, in the utility model preferred embodiment, above-mentioned exhaust-valve, Pneumatic actuator and natural gas are cut Only valve is set gradually along the flue gas flow direction of flue.

Further, in the utility model preferred embodiment, the exhaust of above-mentioned exhaust-valve is towards straight up.

Further, in the utility model preferred embodiment, the number of above-mentioned exhaust-valve is multiple.

Further, in the utility model preferred embodiment, above-mentioned exhaust-valve is set to flue radial direction most High point position.

Further, in the utility model preferred embodiment, pumping is additionally provided at the air exit of above-mentioned exhaust-valve Wind apparatus, extractor fan are connected with exhaust-valve.

Further, in the utility model preferred embodiment, above-mentioned refractory brick utilidor includes the heat preservation of outer layer The refractory brick of layer and internal layer, flue are connected with insulating layer.

A kind of hot-blast stove parking is closed wind exhaust valve and changed with wind air draft valve system is closed including above-mentioned hot-blast stove parking Hot systems, heat-exchange system stop with hot-blast stove and are connected with the automatic exhaust device for closing wind exhaust valve.

The advantageous effect of the utility model embodiment is：The hot-blast stove parking Guan Fengpai that the utility model embodiment provides Air-valve can be realized by setting automatic exhaust device on flue and carry out automatic air draft after hot-blast stove parking, release Heat is released, so as to effectively reduce the concentration of furnace heat, avoids high temperature caused by due to follow-up equipment stopping air inducing Risk ensure that the applied at elevated temperature safety of follow-up miscellaneous equipment.Therefore, the hot-blast stove parking that the utility model embodiment provides is used It closes wind exhaust valve and its stops containing hot-blast stove and stopped with the hot-blast stove for closing wind exhaust valve with wind air draft valve system is closed, in hot-blast stove Has good heat dissipation performance after parking, it can be ensured that refractory brick utilidor heat stablizes output, and it is defeated to not only improve heat Go out to recycle to reduce energy consumption, improve capacity usage ratio, and hot blast stove system can be effectively protected, therefore with important Application value.

Description of the drawings

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 provides the planar structure schematic diagram of hot-blast stove parking pass wind exhaust valve for the utility model first embodiment；

Fig. 2 provides the control of the Pneumatic actuator of hot-blast stove parking pass wind exhaust valve for the utility model first embodiment Schematic diagram processed；

Fig. 3 provides the planar structure signal of hot-blast stove parking pass wind air draft valve system for the utility model first embodiment Figure；

Fig. 4 provides the planar structure schematic diagram of hot-blast stove parking pass wind exhaust valve for the utility model second embodiment；

Fig. 5 provides the planar structure schematic diagram of hot-blast stove parking pass wind exhaust valve for the utility model 3rd embodiment.

Icon：10- hot-blast stoves parking pass wind air draft valve system；12- heat-exchange systems；100- hot-blast stove parkings Guan Fengpai Air-valve；200- hot-blast stoves parking pass wind exhaust valve；300- hot-blast stoves parking pass wind exhaust valve；120- refractory brick insulating tubes Road；121- air inlets；122- fuel inlets；123- insulating layers；The refractory brick of 125- internal layers；140- flues；160- Automatic exhaust device；161- gas securities；162- exhaust-valves；163- controls module；164- Pneumatic actuators；165- is pneumatic Executive module；166- natural gas shut-off valves；220- refractory brick utilidors；240- flues；262- exhaust-valves；362- is emptied Valve；370- extractor fans.

Specific embodiment

Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can be configured to arrange and design with a variety of different.

Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all Belong to the range of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that term " on ", " under ", "left", "right", " level ", The orientation or position relationship of the instructions such as " interior ", " outer " are new based on orientation shown in the drawings or position relationship or the practicality Type product using when the orientation usually put or position relationship, be for only for ease of description the utility model and simplify and describe, and It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore It is not intended that the limitation to the utility model.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and It is not intended that instruction or hint relative importance.

In addition, term " level " is not offered as requiring component abswolute level, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Put ", " installation ", " communicating ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, Or it is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve concrete meaning of the above-mentioned term in the utility model.

First embodiment

Fig. 1 is please referred to, a kind of hot-blast stove parking is present embodiments provided and closes wind exhaust valve 100, be mainly used for hot wind It is used when heat is discharged after stove parking.It should be noted that hot-blast stove parking provided in this embodiment 100 energy of pass wind exhaust valve It is enough to carry out automatic air draft after hot-blast stove parking, release heat, effectively inhibit the concentration of furnace heat, avoid because Follow-up equipment stop air inducing and caused by high temperature risk.

Specifically, hot-blast stove parking provided in this embodiment includes 120 He of refractory brick utilidor with wind exhaust valve 100 is closed Flue 140.Wherein, refractory brick utilidor 120 is connected with flue 140, and refractory brick utilidor 120 is far from cigarette The port of feed channel 140 is provided with fuel inlet 122, and air inlet 121 is further opened in fuel inlet 122.It needs to illustrate , when fuel inlet 122 introduces combustion gas or other fuel, can air be introduced by air inlet 121 simultaneously, so as to make The oxygen obtained in fuel and air can adequately be burnt after refractory brick utilidor 120 is entered.

Further, it should be noted that refractory brick utilidor 120 provided in this embodiment includes the insulating layer of outer layer 123 and the refractory brick 125 of internal layer, wherein, flue 140 is connected with insulating layer 123.Such design is carried out, on the one hand It is based on 123 good temperature condition of insulating layer, still further aspect also can as much as possible protect flue 140 from height The influence of temperature.

In addition, it should also be noted that, hot-blast stove provided in this embodiment parking, which is used, closes wind exhaust valve 100 in flue Automatic exhaust device 160 is provided on 140.Therefore it is carried out certainly after hot-blast stove parking by the automatic exhaust device 160 of setting Dynamic thermal wind exhausting (waste heat that refractory brick utilidor 120 is carried in air), so as to release mistake in refractory brick utilidor 120 More heats effectively inhibits the continuous concentration of waste heat in stove, avoids high temperature risk caused by due to follow-up equipment stopping air inducing.

Specifically, automatic exhaust device 160 provided in this embodiment includes exhaust-valve 162, Pneumatic actuator 164 and day Right gas shut-off valve 166.Wherein, Pneumatic actuator 164 links respectively with exhaust-valve 162 and natural gas shut-off valve 166, so as to make When Pneumatic actuator 164 opens exhaust-valve 162, natural gas shut-off valve 166 is under the linkage effect of Pneumatic actuator 164 In closed state.It should be noted that Pneumatic actuator 164 provided in this embodiment and natural gas shut-off valve 166 and emptying The linkage setting of valve 162 so that the automatic ventilating function of automatic exhaust device 160 is achieved, and finally realizes hot wind Automatic heat extraction after stove parking.

Further, it is consisting of structure the present embodiment provides Pneumatic actuator 164 incorporated by reference to referring to Figures 1 and 2 Carry out work, first, Pneumatic actuator 164 includes gas security 161, control module 163 and pneumatic executive module 165, Gas security 161 is set in flue 140, and control module 163 is electrically connected with the communication of gas security 161, is pneumatically held Row component 165 is electrically connected with pneumatic executive module 165, pneumatic executive module 165 and exhaust-valve 162 and natural gas shut-off valve 166 are sequentially connected.It should be noted that the operation principle of Pneumatic actuator 164 is：After hot-blast stove is closed, the combustion of fire door Gas entrance stops the supply of natural gas, however the air inlet 121 set at the fuel gas inlet of fire door still introduces sky Gas, air enter refractory brick utilidor 120 carry its heat discharged enter flue 140, when in flue 140 Gas security 161 experience natural gas reduce when, will transmit enabling signal to control module 163, control module 163 control The power for making this pneumatic executive module 165 performs, so as to which pneumatic executive module 165 be driven to end exhaust-valve 162 and natural gas Valve 166 is opened and closed respectively, so that while flue 140 is closed in port, makes exhaust-valve 162, Hot-air is drawn at exhaust-valve 162.

Further, the exhaust-valve 162 set by automatic exhaust device 160 provided in this embodiment, Pneumatic actuator 164 and natural gas shut-off valve 166 set gradually along the flue gas flow direction of flue 140.It should be noted why carry out this The design of sample is the requirement that 160 body structures of automatic exhaust device are realized first, because only that by exhaust-valve 162 and pneumatically holding Luggage is put 164 and is arranged on before natural gas shut-off valve 166, could realize self-bleeding function, in addition, the institute of exhaust-valve 162 With design be near the side of refractory brick utilidor 120 in order to enable heat source can be as few as possible enter fume pipe The transmission of heat source rearward various equipment is reduced, therefore above-mentioned to exhaust-valve 162, Pneumatic actuator 164 in the rear in road 140 Position Design with natural gas shut-off valve 166 is both the requirement based on exhaust structure function itself, is also based on heat source gas most A kind of optimization design of bigization discharge.

In addition, it is necessary to which explanation is a bit, the exhaust direction of exhaust-valve 162 provided in this embodiment is straight up.It It is the air containing heat clapped because of exhaust-valve 162 so emphasizing and illustrating as carrying out, and is risen based on air heat cold The principle of drop carries out exhaust that such design is more compound exhaust-valve 162 towards requirement, be conducive to exhaust-valve 162 into Row is quickly and effectively vented.

Furthermore, it is desirable to, it is emphasized that the present embodiment preferably, exhaust-valve 162 is set to the highest of 140 radial direction of flue Point position.And carry out it is such design, with the air exhaust of exhaust-valve 162 towards similar, this reality that is designed as vertical principle upward Applying example, details are not described herein.

Hot-blast stove provided in this embodiment stops is with the operation principle of pass wind exhaust valve 100：After hot-blast stove stops, and After induced draught system is also switched off, stop the supply of natural gas at the fuel inlet 122 of fire door, and at the fuel inlet 122 of fire door The air inlet 121 of setting still introduces air, air enter refractory brick utilidor 120 carry heat that it is discharged into Enter flue 140, when the gas security 161 in flue 140, which experiences natural gas, to be reduced, enabling signal can be transmitted Control module 163 is given, control module 163 controls the power of pneumatic executive module 165 to perform, so as to drive pneumatic executive module 165 pairs of exhaust-valves 162 and natural gas shut-off valve 166 open and close respectively, so that flue 140 is in port quilt While closing, exhaust-valve 162 is made, hot-air is drawn at exhaust-valve 162.

It is emphasized that while flue 140 is closed in port, heat can be substantially reduced to follow-up equipment Transmission, protecting follow-up equipment, received heat does not integrate caused influence, in addition, by open exhaust-valve 162 will contain heat The hot-air of amount is drawn by exhaust-valve 162, not only help reduce in-furnace temperature continue collection neutralize raising, additionally aid by It draws the recycling for carrying out energy.Therefore, hot-blast stove parking provided in this embodiment closes wind exhaust valve 100 and not only improves heat Amount output recycles to reduce energy consumption, improves capacity usage ratio, and the miscellaneous equipment of hot blast stove system can be carried out effective Protection, therefore show good industrial application value.

Fig. 3 is please referred to, the present embodiment also provides a kind of hot-blast stove parking and closes wind air draft valve system 10, including above-mentioned Hot-blast stove parking, which is used, closes wind exhaust valve 100 and heat-exchange system 12, heat-exchange system 12 and hot-blast stove parking pass wind exhaust valve 100 Automatic exhaust device 160 connects.It should be noted that hot-blast stove parking provided in this embodiment is logical with wind air draft valve system 10 is closed The utilization that hot-blast stove parking is vented obtained heat and is repeated by setting heat-exchange system 12 with wind exhaust valve 100 is closed is crossed, It embodies hot-blast stove parking and closes wind exhaust valve 100 in the advantageous effect for improving capacity usage ratio.

Second embodiment

Fig. 4 is please referred to, the present embodiment provides a kind of hot-blast stoves to stop with wind exhaust valve 200 is closed, and is carried with first embodiment For hot-blast stove parking close that wind exhaust valve 100 is roughly the same, and the difference lies in hot-blast stove provided in this embodiment parking use Close the different of exhaust-valve 262 designed by wind exhaust valve 200 and first embodiment.

Specifically, 262 numbers of exhaust-valve provided in this embodiment are multiple, and multiple exhaust-valves 262 may be contained within flue gas Pipeline 240 is close to one end of refractory brick utilidor 220.It should be noted that the purpose for designing multiple exhaust-valves 262 is mainly In order to strengthen the rate that exhaust-valve 262 discharges heat, the delivery efficiency of heat is improved, and on this basis, also helped In the failure rate for reducing the exhaust of exhaust-valve 262, its job stability is improved.

3rd embodiment

Fig. 5 is please referred to, the present embodiment provides a kind of hot-blast stoves to stop with wind exhaust valve 300 is closed, and is carried with first embodiment For hot-blast stove parking close that wind exhaust valve 100 is roughly the same, and the difference lies in hot-blast stove provided in this embodiment parking use Closing the hot-blast stove parking pass wind exhaust valve 100 that wind exhaust valve 300 provides in the design of exhaust-valve 362 with first embodiment has Institute is different.

Further, exhaust-valve 362 provided in this embodiment is provided with 370 (such as exhausting of extractor fan at air exit Machine), extractor fan 370 is connected with exhaust-valve 362.It should be noted that the design of extractor fan 370 helps speed up exhaust Speed makes the heat in stove quickly be exported, this, which is not only helped, carries out fast cooling in stove, but also can reduce because long Thermal loss caused by time exhaust.

In conclusion the hot-blast stove parking that the utility model embodiment provides is passed through with wind exhaust valve is closed on flue Automatic exhaust device is set, can realize and carry out automatic air draft after hot-blast stove parking, heat be released, so as to effectively drop The low concentration of furnace heat, high temperature risk caused by avoiding when follow-up equipment stops air inducing ensure that follow-up other set Standby applied at elevated temperature safety；Extractor fan is set by the structure setting of multiple exhaust-valves and at exhaust-valve air exit, into One step strengthens the speed of exhaust cooling, and helps to improve effective delivery efficiency of heat.Therefore, the utility model is implemented The hot-blast stove parking that example provides, which is used, closes wind exhaust valve and its stops containing hot-blast stove with the hot-blast stove parking pass for closing wind exhaust valve Wind air draft valve system, hot-blast stove parking after have good heat dissipation performance, it can be ensured that refractory brick utilidor heat it is steady Fixed output not only improves heat output and recycles to reduce energy consumption, improves capacity usage ratio, and hot blast stove system can be carried out It is effectively protected, therefore with important application value.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of hot-blast stove parking pass wind exhaust valve, which is characterized in that described including refractory brick utilidor and flue Refractory brick utilidor is connected with the flue, and the port of the refractory brick utilidor far from the flue is set Fuel inlet is equipped with, air inlet is further opened in the fuel inlet；Automatic exhaust dress is provided on the flue It puts.

2. hot-blast stove parking pass wind exhaust valve according to claim 1, which is characterized in that the automatic exhaust device packet Include exhaust-valve, Pneumatic actuator and natural gas shut-off valve, the Pneumatic actuator respectively with the exhaust-valve and the day Right gas shut-off valve linkage, when the Pneumatic actuator opens the exhaust-valve, the natural gas shut-off valve is pneumatically held described It is closed under the linkage effect that luggage is put.

3. hot-blast stove parking pass wind exhaust valve according to claim 2, which is characterized in that the Pneumatic actuator packet It includes gas security, control module and pneumatic executive module, the gas security to be set in the flue, the control Molding group is electrically connected with gas security communication, and the pneumatic executive module is electrically connected with the pneumatic executive module, The pneumatic executive module is sequentially connected with the exhaust-valve and the natural gas shut-off valve.

4. hot-blast stove parking pass wind exhaust valve according to claim 2, which is characterized in that the exhaust-valve, the gas Dynamic executive device and the natural gas shut-off valve are set gradually along the flue gas flow direction of the flue.

5. hot-blast stove parking pass wind exhaust valve according to claim 4, which is characterized in that the exhaust court of the exhaust-valve To straight up.

6. hot-blast stove according to claim 5 parking is with closing wind exhaust valve, which is characterized in that the number of the exhaust-valve is It is multiple.

7. hot-blast stove parking pass wind exhaust valve according to claim 2, which is characterized in that the exhaust-valve is set to institute State the peak position of flue radial direction.

8. hot-blast stove parking pass wind exhaust valve according to claim 7, which is characterized in that the exhaust of the exhaust-valve goes out Extractor fan is additionally provided at mouthful, the extractor fan is connected with the exhaust-valve.

9. hot-blast stove parking pass wind exhaust valve according to claim 1, which is characterized in that the refractory brick utilidor The refractory brick of insulating layer and internal layer including outer layer, the flue are connected with the insulating layer.

10. a kind of hot-blast stove parking pass wind air draft valve system, which is characterized in that it includes such as claim 1-9 any one The hot-blast stove parking, which is used, closes wind exhaust valve and heat-exchange system, the heat-exchange system and hot-blast stove parking pass wind air draft The automatic exhaust device connection of valve.