CN209706090U - Set the ash dropping hopper device of arrangement automatic ash blowing in a kind of bottom - Google Patents

Abstract

The utility model relates to field of boilers, the ash dropping hopper device of arrangement automatic ash blowing is set more particularly to a kind of bottom, ash bucket including burner hearth and positioned at the burner hearth lower end, the quantity of the ash bucket is multiple, the lower furnace portion, and soot blowing spout is respectively equipped in the ash bucket, all soot blowing spouts are for connecting compressed gas source, setting the easy fouling and slagging of boiler furnace ash dropped unit due to existing bottom can be such that boiler output declines, it can seriously make caloric receptivity uneven again, the phenomenon that ash wears pipe or even causes local water cooling tube booster, this design can solve the disadvantage that the easy fouling and slagging of boiler furnace ash dropped unit and artificial deashing inconvenience are set in existing bottom.

Description

Set the ash dropping hopper device of arrangement automatic ash blowing in a kind of bottom

Technical field

The utility model relates to field of boilers, and in particular to set the ash dropping hopper device of arrangement automatic ash blowing in a kind of bottom.

Background technique

Currently, bottom set boiler furnace ash bucket lower area fall it is grey generally using directly fall ash or use artificial deashing method into Row deashing.Set boiler furnace ash dropped unit existing defects in existing bottom: since ash is deformation to take place as temperature increases Then occur softening and molten state, if the soot particle of softening and fusing when there is ash to fall, without removing clean ash in time Can be attached on certain a part of low temperature heating surface will be such that its heat absorption is greatly reduced, and exhaust gas temperature is caused to increase, and just form slagging, Boiler output decline, then serious caloric receptivity are uneven, and ash is worn to pipe or even caused local water cooling tube booster, if combustion Expect that unburned combined completely with ash will make hopper bottom generate coking phenomenon, and artificial deashing heavy workload.

Utility model content

The utility model aim is to provide the ash dropping hopper device that arrangement automatic ash blowing is set at a kind of bottom, can with automatic ash blowing, Anti- falling stop dust heap product.

In order to achieve the above-mentioned advantages, the utility model provides the ash dropping hopper device that arrangement automatic ash blowing is set at a kind of bottom, including burner hearth With the ash bucket for being located at the burner hearth lower end, the quantity of the ash bucket be it is multiple, be respectively equipped with soot blowing in the lower furnace portion and the ash bucket Spout, all soot blowing spouts are for connecting compressed gas source.

In one embodiment that the ash dropping hopper device of arrangement automatic ash blowing is set at the bottom of the utility model, the scummer is Scraper slag removing machine.

In one embodiment that the ash dropping hopper device of arrangement automatic ash blowing is set at the bottom of the utility model, the ash bucket lower end It is connected with ash tube, the ash tube includes upper pyrometer pipeline section and lower part low temperature pipeline section, which is equipped with Wear-resisting pouring layer, outer wall are equipped with the insulating layer with the wall connecting of the burner hearth.

In one embodiment that the ash dropping hopper device of arrangement automatic ash blowing is set at the bottom of the utility model, multiple ash buckets Two column arranged in rows are installed, with ash bucket two ash tube lower ends by Y-shaped threeway be connected with it is shared to lower section by The big tubaeform cleaning door of gradual change.

In one embodiment that the ash dropping hopper device of arrangement automatic ash blowing is set at the bottom of the utility model, the Y-shaped threeway Equipped with inspection door.

In one embodiment that the ash dropping hopper device of arrangement automatic ash blowing is set at the bottom of the utility model, multiple soot blowings Spout passes through solenoid valve respectively, branch pipe, gas bag is divided to connect with compressed gas source.

The bottom of the utility model set arrangement automatic ash blowing ash dropping hopper device one embodiment in, it is described divide gas bag with There is air filter, pressure reducing valve between compressed gas source.

In one embodiment that the ash dropping hopper device of arrangement automatic ash blowing is set at the bottom of the utility model, whole branch Pipe is respectively equipped with solenoid valve connected to the controller.

In one embodiment that the ash dropping hopper device of arrangement automatic ash blowing is set at the bottom of the utility model, the controller connects It is connected to timer.

In one embodiment that the ash dropping hopper device of arrangement automatic ash blowing is set at the bottom of the utility model, in the ash bucket The quantity of soot blowing spout be it is multiple, the soot blowing spout is tilted towards the ash bucket center.

In the present invention, the quantity of ash bucket is multiple, and soot blowing spray is respectively equipped in the lower furnace portion and the ash bucket Mouthful, all soot blowing spouts can fall the anti-falling stop dust heap product of ash for connecting compressed gas source, soot blowing spout using compressed gas cleaning.

Detailed description of the invention

Fig. 1 show the structural schematic diagram that the ash dropping hopper device of arrangement automatic ash blowing is set at a kind of bottom of the utility model.

Set the cut-away illustration of ash bucket in the bottom that Fig. 2 show Fig. 1.

Set the structural schematic diagram of ash bucket in the bottom that Fig. 3 show Fig. 2.

Set the top view of ash bucket in the bottom that Fig. 4 show Fig. 2.

Fig. 5 show the structural schematic diagram of 1 ash tube.

Fig. 6 show the structural schematic diagram of the single ash bucket of Fig. 2.

Specific embodiment

Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken, Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes specific embodiment, structure, feature and its effect, Detailed description is as follows.

The ash dropping hopper device that arrangement automatic ash blowing is set at a kind of bottom, including burner hearth 10 are provided referring to Fig. 1 to 6 the utility model The ash bucket of lower end, the quantity of the ash bucket be it is multiple, ash bucket is for collecting the ashes generated after boiler combustion, lower furnace portion and ash Soot blowing spout is respectively equipped in bucket, the sprayable airflow cleans of soot blowing spout, which fall ash, prevents ash bucket from falling grey accumulation, all soot blowing sprays Mouth is connected to compressed gas source 4.

Ash bucket lower part is additionally provided with slag remover, which is scraper slag removing machine 9 for ashes to be discharged.

Ash bucket lower end is also connected with ash tube 5, and ash tube 5 includes upper pyrometer pipeline section 51 and lower part low temperature pipeline section 52, on High temperature pipeline section 51 inner wall in portion's is equipped with wear-resisting pouring layer 511, since ashes slagging can wear pipe, even causes when serious Local water cooling tube booster, and the design of wear-resisting pouring layer 511 can reduce ashes to the abrasion of inner wall to extend making for equipment With the service life, 51 outer wall of upper pyrometer pipeline section is additionally provided with the insulating layer 512 with wall connecting, and the design of insulating layer 512 can solve heat Amount absorbs non-uniform problem.

Multiple ash buckets install two column arranged in rows, and two ash tube lower ends with ash bucket are connected by Y-shaped threeway 6, Y-shaped threeway 6 is equipped with the tubaeform cleaning door 8 become larger to lower section, and the tubaeform design of cleaning door 8 is conducive to ashes row Out, the stifled phenomenon of ashes can be reduced, Y-shaped threeway 6 is additionally provided with inspection door 7, and inspection door 7 can be used for checking three Tongli of Y-shaped Inner case can find ashes stopping state in time and be handled.

Multiple soot blowing spouts pass through branch pipe respectively, gas bag 1, solenoid valve and compressed gas source 4 are divided to connect, and divide gas bag 1 and compression Air filter 2 and pressure reducing valve 3 are additionally provided between gas source 4, the air-flow that compressed gas source 4 generates first passes through pressure reducing valve 3 for air-flow stream Speed control is filtered the air in suitable range, then by air filter 2 finally by dividing gas bag 1 that airflow diversion is defeated It is sent to each branch pipe, each branch pipe is respectively equipped with solenoid valve connected to the controller, controls each by solenoid valve Air-flow in branch pipe.

Controller is connected with timer, and timer can control electromagnetic valve switch by the setting time, to make soot blowing Spout timing cleaning ash bucket dust stratification.

The quantity of soot blowing spout in ash bucket is set as multiple, and all soot blowing spouts are tilted both facing to ash bucket center.

In conjunction with the above-mentioned use process and advantage that the utility model is further described.

Ashes caused by boiler combustion are collected by the lower multiple ash buckets being arranged of burner hearth 10, and Boiler Furnace is set at existing bottom Thorax ash dropped unit existing defects, ashes can be increased with temperature take place deformation and then occur softening and molten state, be formed The soot particle of softening and fusing, if clean without removing in time when there is ash to fall, it is heated that ash can be attached on certain a part of low temperature On face its heat absorption will be greatly reduced, exhaust gas temperature is caused to increase, just forming slagging can be such that boiler output declines, existing for this As the utility model is respectively equipped with multiple soot blowing spouts, all soot blowings in the multiple ash buckets of lower furnace portion setting, each ash bucket Spout tilts towards ash bucket center and connects compressed gas source 4, and the sprayable compressed air stream cleaning of soot blowing spout falls the anti-falling stop dust heap of ash Product.

As shown in Figures 3 and 4, it includes a, b, c, d, e, f, g, h that burner hearth ash dropped unit, which is provided with 8 ash buckets, and each ash bucket is set There are corresponding 4 soot blowing spouts a11, a12, a13, a14, b11, b12, b13, b14, c11, c12, c13, c14, d11, d12, D13, d14, e11, e12, e13, e14, f11, f12, f13, f14, g11, g12, g13, g14, h11, h12, h13, h14, each Soot blowing spout in ash bucket is tilted both facing to ash bucket center, and soot blowing spout is correspondingly connected with 8 branch pipes, branch pipe include a3, b3, c3, D3, e3, f3, g3, h3, be correspondingly provided between soot blowing spout and 8 branch pipes 8 solenoid valve a2, b2 being electrically connected with the controller, c2、d2、e2、f2、g2、h2。

8 branch pipes divide between gas bag 1 and compressed gas source 4 by dividing gas bag 1 to connect with compressed gas source 4 and are additionally provided with air mistake Filter 2 and pressure reducing valve 3, the air-flow that compressed gas source 4 generates first pass through pressure reducing valve 3 and control air-flow velocity in suitable range, then It is filtered the air by air filter 2, finally by dividing gas bag 1 that airflow diversion is transported to each branch pipe, every The solenoid valve being arranged between branch pipe and soot blowing spout can control the air-flow in every branch pipe, thus control soot blowing spout to ash bucket into The operation of row soot blowing.

Ash bucket lower part as shown in Figure 5 is connected with ash tube 5, and ash tube 5 includes upper pyrometer pipeline section 51 and lower part low temperature Pipeline section 52,51 inner wall of upper pyrometer pipeline section are equipped with wear-resisting pouring layer 511, since ashes slagging can wear pipe, seriously When even can cause local water cooling tube booster, and it is wear-resisting pour, 511 design can reduce ashes to the abrasion of inner wall to extend The service life of equipment, 51 outer wall of upper pyrometer pipeline section are additionally provided with the insulating layer 512 with wall connecting, and insulating layer 512 is set Meter can solve the problems, such as that 5 heat absorption of ash tube is non-uniform, thus reduce the slagging phenomenon of ashes, it is low with the lower part of ash bucket Temperature pipe is attached by Y-shaped threeway 6.

Y-shaped threeway 6 is equipped with the tubaeform cleaning door 8 become larger to lower section, and the tubaeform design of cleaning door 8 is conducive to Ashes discharge can reduce the stifled phenomenon of ashes, and Y-shaped threeway 6 is additionally provided with inspection door 7, and inspection door 7 can be used for checking Y-shaped three Ashes stopping state in logical 6 makes soot blowing if discovery, which has stopping state that can control by controller, opens corresponding solenoid valve Spout carries out deashing operation to ash bucket, clears up the ashes to get off and is discharged by scraper slag removing machine 9.

Solenoid valve is electrically connected with the controller, and controller is additionally provided with timer, and timer can be controlled by the setting time Electromagnetic valve switch, to make soot blowing spout timing cleaning ash bucket dust stratification, to reduce the slagging phenomenon in ash bucket.

The utility model passes through the multiple ash buckets being arranged under burner hearth, is equipped with corresponding soot blowing spout in each ash bucket, each Soot blowing spout is all connected with corresponding branch pipe, and solenoid valve is additionally provided between soot blowing spout and branch pipe, and branch pipe connects compressed gas source, this sets Meter can make soot blowing spout carry out deashing operation to ash bucket, prevent ash bucket fouling and slagging, ash bucket lower part is connected with ash tube, falls ash Pipe upper pyrometer pipeline section inner wall is equipped with wear-resisting pouring layer, and the design of wear-resisting pouring layer can reduce ashes to the abrasion of inner wall to prolong The service life of equipment is grown, the insulating layer design of outer wall can make ash tube heat absorption more evenly, reduce the knot of ashes in managing Slag phenomenon, therefore the improvement of the utility model solves existing bottom and sets the easy slagging of boiler furnace ash dropped unit ashes and ash bucket inner product The defect that ash can not be handled in time.

More than, it is only the preferred embodiment of the utility model, limit in any form not is made to the utility model System, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with sheet Technical professional is not departing within the scope of technical solutions of the utility model, when the technology contents work using the disclosure above A little change or it is modified to the equivalent embodiment of equivalent variations out, but all without departing from the content of the technical scheme of the utility model, according to According to the technical essence of the utility model any simple modification, equivalent variations and modification to the above embodiments, still fall within In the range of technical solutions of the utility model.

Claims (10)

1. the ash dropping hopper device of arrangement automatic ash blowing is set at a kind of bottom, the ash bucket including being located at burner hearth lower end, it is characterised in that: the ash The quantity of bucket be it is multiple, be respectively equipped with soot blowing spout in the lower furnace portion and the ash bucket, all soot blowing spouts are for connecting Compressed gas source, the ash bucket lower section are equipped with scummer.

2. the ash dropping hopper device that arrangement automatic ash blowing is set at bottom according to claim 1, which is characterized in that the scummer is Scraper slag removing machine.

3. the ash dropping hopper device that arrangement automatic ash blowing is set at bottom according to claim 2, which is characterized in that the ash bucket lower end It is connected with ash tube, the ash tube includes upper pyrometer pipeline section and lower part low temperature pipeline section, which is equipped with Wear-resisting pouring layer, outer wall are equipped with the insulating layer with the wall connecting of the burner hearth.

4. the ash dropping hopper device that arrangement automatic ash blowing is set at bottom according to claim 3, which is characterized in that multiple ash buckets Two column arranged in rows are installed, with ash bucket two ash tube lower ends by Y-shaped threeway be connected with it is shared to lower section by The big tubaeform cleaning door of gradual change.

5. the ash dropping hopper device that arrangement automatic ash blowing is set at bottom according to claim 4, which is characterized in that the Y-shaped three It is logical to be equipped with inspection door.

6. the ash dropping hopper device that arrangement automatic ash blowing is set at bottom according to claim 1, which is characterized in that multiple soot blowings Spout passes through solenoid valve respectively, branch pipe, gas bag is divided to connect with compressed gas source.

7. bottom according to claim 6 set arrangement automatic ash blowing ash dropping hopper device, which is characterized in that it is described divide gas bag with There is air filter, pressure reducing valve between compressed gas source.

8. the ash dropping hopper device that arrangement automatic ash blowing is set at bottom according to claim 6, which is characterized in that whole branch Pipe is respectively equipped with solenoid valve connected to the controller.

9. the ash dropping hopper device that arrangement automatic ash blowing is set at bottom according to claim 8, which is characterized in that the controller connects It is connected to timer.

10. the ash dropping hopper device that arrangement automatic ash blowing is set at bottom according to claim 1, which is characterized in that in the ash bucket Soot blowing spout quantity be it is multiple, the soot blowing spout is tilted towards the ash bucket center.