CN108534146A

CN108534146A - A kind of environmental-protection treatment device for domestic garbage

Info

Publication number: CN108534146A
Application number: CN201810691112.4A
Authority: CN
Inventors: 白子娴
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-28
Filing date: 2018-06-28
Publication date: 2018-09-14

Abstract

The invention discloses a kind of environmental-protection treatment device for domestic garbage, control based on control system, it includes the ontology with cavity, the top of the ontology is equipped with the entrance launched for rubbish, ontology internal upper part is equipped with discharge chambe, the compression set that compression processing is carried out to rubbish is equipped in the discharge chambe, the lower part of discharge chambe is equipped with incineration chamber, collecting chamber, the collecting chamber is in ontology, the side positioned at the compressed direction of discharge chambe, and the discharge chambe is connected to by water outlet with collecting chamber, the lower end of the collecting chamber is equipped with sewage draining exit；The incineration chamber is connected to by discharge port with discharge chambe, and the valve that control based on control system is equipped on discharge port, and the incinerator for burning away the refuse is equipped in the incineration chamber, the bottom end of incineration chamber is equipped be used to clear up burning after ashes leftovers after a fire recovery port.The configuration of the present invention is simple, effectively, can be effectively treated the rubbish that life generates, and avoid polluting the environment.The present invention is suitable for handling various house refuses.

Description

A kind of environmental-protection treatment device for domestic garbage

Technical field

The invention belongs to field of garbage disposal, are related to a kind of refuse disposal installation, specifically a kind of house refuse ring Protect processing unit.

Background technology

With various countries' industry and a large amount of concentrations of economic fast development and population, city is more and more, increasingly Greatly, the continuous improvement of human living standard causes tellurian rubbish more and more.A large amount of sanitary fills will produce some changes Reaction is learned, pernicious gas is discharged, causes atmosphere pollution, haze weather occur.In addition, containing there are many harmful levels of pathogens, appearances in rubbish The biologies such as fly, mosquito, cockroach, mouse are easily grown, germ is easily propagated, influences the health of neighbouring resident.And in rubbish Germ, corruption when the pollutants such as heavy metal that generate of dissolving permeate the ground, water pollution can be caused.Meanwhile rubbish is concentrated Occupied space is needed, many soils can be occupied in this way, is unfavorable for efficiently using for soil.In addition, there is some species of rubbish Accumulation may will produce the flammable explosive gas such as methane for a long time, rubbish occur and explode this dangerous phenomenon.Therefore it needs to rubbish Rubbish is handled in time.

Although being typically provided with dustbin in the city of the prior art, can classify to different types of house refuse After recycling, is then uniformly processed by garbage reclamation station, but existing processing mode needs sanitationman to collect rubbish in daily early morning, By garbage truck each Biohazard Waste Disposal is sent to be handled, and the existing processing mode to domestic waste be divided into landfill, The modes such as burn, there are certain defects for above-mentioned processing mode, wherein the processing mode filled not only land occupation resource, and And be much difficult to the rubbish degraded and can have long time, long-term pollution is caused to land resource；Though and the mode burned So can to avoid rubbish land occupation resource, but burn when directly the outdoor ashes pair for being burned, being generated in burning process Environment causes prodigious damage.

Invention content

To solve drawbacks described above existing in the prior art, the present invention is intended to provide a kind of house refuse environmental protection treatment fills It sets, enables garbage disposal more environmentally friendly.

To achieve the above object, used technical solution is as follows by the present invention：

A kind of environmental-protection treatment device for domestic garbage, the control based on control system, it includes the ontology with cavity, the ontology Top be equipped with the entrance launched for rubbish, ontology internal upper part is equipped with discharge chambe, is equipped in the discharge chambe and is carried out to rubbish The lower part of the compression set of compression processing, discharge chambe is equipped with incineration chamber, collecting chamber, and the collecting chamber is set in ontology, is located at pressure Contracting room is by the side of compression direction, and the discharge chambe is connected to by water outlet with collecting chamber, and the lower end of the collecting chamber is equipped with Sewage draining exit；The incineration chamber is connected to by discharge port with discharge chambe, and the valve controlled based on control system is equipped on discharge port , the incinerator for burning away the refuse is equipped in the incineration chamber, the bottom end of incineration chamber is equipped with for ashes after cleaning burning Leftovers after a fire recovery port.

As the restriction to compression set in the present invention：The compression set includes can be along discharge chambe length direction or so Mobile compressor reducer, the power intake of the compressor reducer are connected the first driving mechanism controlled based on control system, further include It can be described along thrust direction displacement and the piston mechanism of compressor reducer recovery after restoration original state under the promotion of compressor reducer Water outlet is covered out under piston mechanism normal condition.

It is further limited as to compression set in the present invention：The piston mechanism includes that one end is fixedly arranged on body interior The other end of spring on side wall, the spring is installed with piston, and the discharge port is between piston and compressor reducer.

As the restriction to collecting chamber in the present invention：It is equipped in the collecting chamber and tilts deflector, the inclination deflector One end be located at the lower section of water outlet, the other end extends downward into vertical deflector along the short transverse of ontology.

As the restriction to incinerator in the present invention：The incinerator includes that the crushing being located at immediately below discharge port is burnt Change box, and positioned at the combustion-supporting that ignites incinerated immediately below box is crushed, crushing the top for incinerating box has opening, and bottom end, which has, engraves Emptying aperture.

It is further limited as to incinerator in the present invention：It is described to crush one end connection for incinerating box based on control system Second driving mechanism of system control, the other end can slidingly be set on the inner wall of incineration chamber, crush and incinerate box top end opening Place is equipped with several equally distributed crushing bar assemblies, and it is circular arc platy structure to crush and incinerate the center bottom of box.

It is more further limited as to incinerator in the present invention：The crushing incinerates box and is not connected with the second driving mechanism One end be arranged with two sliding bars, sliding groove is installed on the inner wall of the incineration chamber, the sliding bar passes through return bullet Spring top pressure is on the inner wall of sliding groove.

It is limited as to the another of incinerator in the present invention：The incinerator further includes for discharging combustion product gases Flue, one end of the flue is set in incineration chamber, is located at the top for crushing and incinerating box, and the other end stretches out ontology, for External smoke eliminator connection；Air-introduced machine is equipped in the flue.

As the restriction to the combustion-supporting that ignites in the present invention：The combustion-supporting that ignites includes mounting bracket, the installation branch One end of frame is fixedly arranged on the inner wall of incineration chamber, and the other end is equipped with air intake duct, described to be equipped with ignitron through air intake duct, described to draw The fire end of combustion pipe crosses the underface that mounting bracket is set to hollow hole, and ignitron inlet end then connects with external fuel storage device It connects.

It is further limited as to the combustion-supporting gas that ignites in invention：The mounting bracket is rectangular frame, the combustion of ignitron It burns end to be located in rectangular frame, the rectangular frame is equipped with ventilation hole with equipped with the adjacent one side of fire end.

The present invention is as a result of above-mentioned structure, and compared with prior art, acquired technological progress is：

（1）The present invention is equipped with discharge chambe, and rubbish can be carried out to compression processing, squeezes out the moisture in rubbish, enables rubbish subsequent Incineration process is more convenient, and is equipped with collecting chamber, and the moisture collection that can will be squeezed out in rubbish is discharged by sewage draining exit, after discharge Sewage can enter sewage-treatment plant, avoid sewage pollution environment, and rubbish can be carried out closed burning by incineration chamber Processing, prevent ashes in burning process from being impacted to environment, and burn after ashes can be by leftovers after a fire recovery port recycling at Reason, or it is used as fertilizer, rubbish is not only handled, while rubbish being turned waste into wealth；

（2）The compression mechanism of the present invention includes compressor reducer and piston, and the piston is fixedly arranged on by spring on the inner wall of ontology, and When normal condition（When i.e. spring is in normal state）, water outlet is by piston seal, and when compressor compresses rubbish, piston Compressed spring under the action of thrust, and then water outlet can be opened, enable sewage flow into collecting chamber, after the completion of compression, pressure Contracting device resets under the driving of the first driving mechanism, and piston then resets under the effect of the elastic force of spring, and molar behavior simply has Effect；

（3）The collecting chamber of the present invention, which is equipped with, tilts deflector and vertical deflector, can enable sewage according to corresponding track in weight It is flowed down under the action of power, enables drainage flow more smooth；

（4）It is equipped with to crush in the incineration chamber of the present invention and incinerates box and the combustion-supporting that ignites, under the action of igniting combustion-supporting, rubbish exists It crushing to incinerate and carries out burning incineration in box, this fire end by the combustion-supporting that ignites incinerates the mode that box is provided separately with crushing, It can avoid burning the dirt immune fire end generated, extend single unit system service life；

（5）Box top is incinerated in the crushing of the present invention has opening, can accept the rubbish for being entered by discharge port and having been dried in incineration chamber Rubbish, and crush and incinerate the center bottom of box as curved plate-like structure, and there is building emptying aperture in curved plate-like structure, burning can be enabled That holds is abundant to not polluting fire end while incineration firing, and the structure of arc panel can enable rubbish concentrate on the upper of fire end Side, enables rubbish more easy firing；

（6）Box is incinerated in the crushing of the present invention, and there is crushing bar assembly, the second driving mechanism crushing can be driven to incinerate box or so pendulum Dynamic, in swing process, the rubbish of compression is crushed bar assembly and breaks up, and rubbish is enabled to be more easy to incinerate burning；

（7）It is equipped with flue in incineration chamber of the present invention, and is equipped with air-introduced machine in flue, it can be by generation of burning away the refuse in incineration chamber This is external for flue gas export, is handled by external smoke purification mechanism, ensures that possessing sufficient oxygen in incineration chamber supports The incineration of garbage；

（8）There is the combustion-supporting that ignites of the present invention mounting bracket of rectangular frame, the fire end of ignitron to be located at mounting bracket Rectangular frame in, and rectangular frame is equipped with ventilation hole, therefore sufficient convected air can be provided for fire end, ensures to fire It is abundant to burn end burning.

To sum up, the configuration of the present invention is simple, effectively, can be effectively treated the rubbish that life generates, and avoid causing environment Pollution.

The present invention is suitable for handling various house refuses.

Description of the drawings

Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention It applies example to be used to explain the present invention together, not be construed as limiting the invention.

In the accompanying drawings：

Fig. 1 is the sectional view of the embodiment of the present invention；

Fig. 2 is that the structural schematic diagram for incinerating box 15 is crushed in the embodiment of the present invention；

Fig. 3 is that the structural schematic diagram for incinerating 15 another angle of box is crushed in the embodiment of the present invention；

Fig. 4 is the structural schematic diagram of combustion-supporting 16 of igniting in the embodiment of the present invention.

Mark component：1- ontologies, 2- entrances, 3- discharge chambes, 4- incineration chamber, 5- collecting chambers, 6- water outlets, 7- rows Dirty mouth, 8- discharge ports, 9- valves, 10- leftovers after a fire recovery ports, 11- compressor reducers, 12- springs, 13- pistons, 141- tilt deflector, The vertical deflectors of 142-, 15-, which is crushed, incinerates box, and 16- ignites combustion-supporting, 17- hollow holes, and 18- crushes bar assembly, 19- installation branch Frame, 20- air intake ducts, 21- ignitrons, 22- fire ends, 23- ventilation holes, 24- sliding bars, 25- sliding grooves, 26- return springs, 27- flues, 28- suction ventilators, 29- gear bars, 301- starting staves, the second risers of 302-, 31- transverse slats, 32- slide posts, 33- are convex Take turns abutting end.

Specific implementation mode

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.It should be appreciated that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.

A kind of environmental-protection treatment device for domestic garbage of embodiment

Control of the present embodiment based on control system, structure are as shown in Figure 1：Include the ontology 1 with cavity, the ontology 1 Top be equipped with entrance 2, external rubbish by entrance 2 launch enter ontology in.Since house refuse can many times carry water Point, therefore the present embodiment is equipped with discharge chambe 3 in 1 internal upper part of ontology, it, will be in rubbish by carrying out compression processing in discharge chambe 3 The moisture contained squeezes out, the convenient subsequent operation to rubbish.

In order to realize the water process of removing to rubbish, the compression dress that compression processing is carried out to rubbish is equipped in the discharge chambe 3 It sets, the compression set includes can be along the compressor reducer 11 that 3 length direction of discharge chambe moves left and right, the power of the compressor reducer 11 Input terminal connects the first driving mechanism controlled based on control system, and first driving mechanism includes the first driving motor, the The power output end of one driving motor is equipped with gear, and compressor reducer 11 passes through the gear of rack segments 29 and the driving of the first driving motor The fixed multiple positioning gears in top are meshed.Further including can be along the piston of thrust direction displacement under the promotion of compressor reducer 11 Mechanism, the piston mechanism are restored to original state after the reset of compressor reducer 11, and the piston mechanism includes that one end is fixedly arranged on The other end of spring 12 in 1 internal side wall of ontology, the spring 12 is installed with piston 13.The present embodiment is in order to enable compressor reducer 11 It is more accurate with the action of piston 13, starting stave 301 and the second riser 302, wherein compressor reducer are respectively equipped in discharge chambe 3 11 run through starting stave 301, its both ends is enabled to be located at the both sides of starting stave 301, piston 13 through the second riser 302, enable its two End positioned at the both ends of the second riser 302, the bottom end of discharge chambe 3 be equipped with the matched transverse slat 31 of 1 inside dimension of ontology, by ontology 1 it is whole be separated into two parts up and down, discharge chambe 3 is directly separated into a left side by and the setting of starting stave 301 and the second riser 302 Right three parts, the first driving mechanism are then located in the space that starting stave 301 is constituted with ontology 1, transverse slat 31, i.e., the first driving Interior, and spring 12 is then located in the space that the second riser 302 is constituted with ontology 1, transverse slat 31, i.e. return drive chamber.

Since compressed garbage can squeeze out sewage in discharge chambe 3, it is therefore desirable to the sewage discharge that will be squeezed out is handled, therefore this Implementation is additionally provided with collecting chamber 5, and the collecting chamber 5 is located at the lower section of discharge chambe 3, and the side in ontology 1, due to this implementation It is equipped with transverse slat 31 in example, ontology 1 has directly been separated into upper and lower two parts, therefore collecting chamber 5 is directly on the basis of transverse slat 31 Vertical partition board is added along the direction of 1 height of ontology, the lower half portion that ontology 1 removes discharge chambe 3 is enabled to form left and right two chambers , one of chamber is collecting chamber 5, and collecting chamber 5 is located at the left side of ontology 1 in the present embodiment, i.e., piston 13 is by top pressure Side.And in order to enable water flow into collecting chamber 5, the transverse slat 31 is equipped with the water outlet 6 of connection discharge chambe 3 and collecting chamber 5, When the spring 12 is in normal condition piston 13 cover water outlet 6, and when 11 pressing waste of compressor reducer push piston 13 to When moving left, piston 13 opens water outlet 6 due to displacement, and the moisture squeezed out is enabled to flow directly into collecting chamber 5.

In order to facilitate the circulation of flow, the vertical baffle added includes tilting weather board 141 and vertical weather board 142, described one end for tilting deflector 141 is located at the lower section of water outlet 6, and the other end is extended downwardly along the short transverse of ontology 1 To vertical deflector 142, and the bottom end of collecting chamber 5 is equipped with sewage draining exit 7, is carried out outside the sewage discharge ontology 1 for that will squeeze out dirty Water process.

The present embodiment needs to carry out burning disposal to rubbish after rubbish squeezes the water out, therefore the present embodiment is with respect to collecting chamber 5 another cavity is as incineration chamber 4, and the incineration chamber 4 is connected to by the discharge port 8 being arranged on transverse slat 31 with discharge chambe 3, and institute Discharge port 8 is stated between piston 13 and compressor reducer 11, the valve 9 based on control system control opening and closing is equipped on discharge port 8； It is equipped with the incinerator for burning away the refuse in incineration chamber 4, the bottom end of incineration chamber 4 is equipped with the leftovers after a fire for clear up ashes after burning Recovery port 10.The incinerator includes that box 15 is incinerated in the crushing being located at immediately below discharge port 8, and incinerates box 15 positioned at crushing The combustion-supporting 16 that ignites of underface incinerates box 15 as shown in Figure 2,3 wherein crushing, and top has opening, and center bottom is arc Shape plate is equipped with hollow hole 17 on arc panel.The pulverization for incinerating box 15 is crushed in order to realize, described crush incinerates box 15 One end is equipped with slide post 32, and the not connected one end connection for crushing incineration box 15 of slide post 32 is driven based on control system controls second Motivation structure, be the second driving mechanism then include the second driving motor, the power output end drive gear disk of the second driving motor, and Cam is equipped with by rotary shaft on toothed disc, the cam connects slide post 32 by cam engagement end 33.

And the other end for crushing incineration box 15 is arranged with two sliding bars 24, is installed on the inner wall of the incineration chamber 4 Sliding groove 25, the sliding bar 24 on the inner wall of sliding groove 25, and then can realize that crushing is burnt by 26 top pressure of return spring Change the double swerve of box 15.And crush to incinerate and be equipped with several equally distributed crushing bar assemblies 18 at 15 top end opening of box, when When crushing incineration 15 double swerve of box, compressed rubbish is collided with bar assembly 18 is crushed, and then can will be compressed in together Rubbish is broken up, and the incineration process of rubbish is facilitated.

In order to improve the present embodiment, the incinerator further includes the flue 27 for discharging combustion product gases, the flue 27 one end is set in incineration chamber 4, and positioned at the top for incinerating box 15 is crushed, the other end stretches out ontology 1, for the flue gas with outside Purifier connects；Air-introduced machine 28 is equipped in the flue 27.

The combustion-supporting 16 that ignites in the present embodiment as shown in figure 4, including the mounting bracket 19 of rectangular frame, prop up by the installation One end of frame 19 is fixedly arranged on the inner wall of incineration chamber 4, and the other end is equipped with air intake duct 20, described to be equipped with ignitron through air intake duct 20 21, the fire end 22 of the ignitron 21 is crossed mounting bracket 19 and is set in rectangular frame, and positioned at the underface of hollow hole 17, draws The inlet end of combustion pipe 21 is then connect with external fuel storage device.

In order to enable the combustion efficiency of rubbish more preferable, the rectangular frame is equipped with equipped with the adjacent one side of fire end 22 Ventilation hole 23.

The operation principle of the present embodiment is：House refuse enters from entrance 2 in discharge chambe 3, opening control system, control system System control the first driving mechanism driving compressor reducer 11 moves downward, and rubbish is contacted with piston 13 to the left, and 13 left end of piston compresses bullet Spring 12, the residual ponding in rubbish are flowed into from water outlet 6 in collecting chamber 5, and eventually by tilting deflector 141 and vertical water conservancy diversion The guide functions of plate 142 flow into collecting chamber 5, and are discharged by sewage draining exit 7.After large volume rubbish is compressed, control system control the One driving mechanism driving compressor reducer 11 moves right, and spring 12 drives piston 13 to move right recovery original state, and then pushes Compressed rubbish is opened to the position of discharge port 8, at this time control system control valve 9, and rubbish falls into incineration chamber by discharge port 8 In 4, control system control valve 9 is closed later.Then control system controls the driving of the second driving mechanism and crushes 15 cross of incineration box To concussion, rubbish is crushing above incineration box 15 with the crushing collision of bar assembly 18, is distributed to and crushes in bar assembly 18, ignites combustion-supporting Device 16 is scorched to crushing bar assembly 18, the exhaust-gas treatment that flue gas is discharged to the outside from flue 27 under the action of air inducing fan 28 In device, while under the action of air-introduced machine 28, fresh air outside is sucked by air intake duct 20 in mounting bracket 19, realization pair Fire end 22 it is combustion-supporting.After the completion of burning, ashes are handled by 10 taking-up of leftovers after a fire recovery port.

Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's Within protection domain.

Claims

1. a kind of environmental-protection treatment device for domestic garbage, the control based on control system, it is characterised in that：It includes having cavity Ontology（1）, the ontology（1）Top be equipped with for rubbish launch entrance（2）, ontology（1）Internal upper part is equipped with discharge chambe （3）, the discharge chambe（3）It is interior to be equipped with the compression set that compression processing is carried out to rubbish, discharge chambe（3）Lower part be equipped with incineration chamber （4）, collecting chamber（5）, the collecting chamber（5）Set on ontology（1）It is interior, be located at discharge chambe（3）The side in compressed direction, and it is described Discharge chambe（3）Pass through water outlet（6）With collecting chamber（5）Connection, the collecting chamber（5）Lower end be equipped with sewage draining exit（7）；It is described to burn Change room（4）Pass through discharge port（8）With discharge chambe（3）Connection, and in discharge port（7）It is equipped with the valve controlled based on control system （9）, the incineration chamber（4）The interior incinerator being equipped with for burning away the refuse, incineration chamber（4）Bottom end be equipped with for clear up burn The leftovers after a fire recovery port of ashes afterwards（10）.

2. a kind of environmental-protection treatment device for domestic garbage according to claim 1, it is characterised in that：The compression set includes It can be along discharge chambe（3）The compressor reducer that length direction moves left and right（11）, the compressor reducer（11）Power intake linker Further include in compressor reducer in the first driving mechanism of control system control（11）Promotion under can along thrust direction displacement and Compressor reducer（11）The piston mechanism of recovery after restoration original state covers out water outlet under the piston mechanism normal condition（6）.

3. a kind of environmental-protection treatment device for domestic garbage according to claim 2, it is characterised in that：The piston mechanism includes One end is fixedly arranged on ontology（1）Spring in internal side wall（12）, the spring（12）The other end be installed with piston（13）, described Discharge port（7）Positioned at piston（13）With compressor reducer（11）Between.

4. a kind of environmental-protection treatment device for domestic garbage as claimed in any of claims 1 to 3, it is characterised in that：Institute State collecting chamber（5）Interior be equipped with tilts deflector（141）, the inclination deflector（141）One end be located at water outlet（6）Under Side, the other end is along ontology（1）Short transverse extend downward into vertical deflector（142）.

5. a kind of environmental-protection treatment device for domestic garbage as claimed in any of claims 1 to 3, it is characterised in that：Institute It includes being located at discharge port to state incinerator（8）Box is incinerated in the crushing of underface（15）, and positioned at crushing incineration box（15）Under just The combustion-supporting that ignites of side（16）, crush and incinerate box（15）Top have opening, bottom end have hollow hole（17）.

6. a kind of environmental-protection treatment device for domestic garbage according to claim 5, it is characterised in that：Box is incinerated in the crushing （15）One end connect the second driving mechanism for being controlled based on control system, the other end can slidingly be set to incineration chamber（4） Inner wall on, crush incinerate box（15）Several equally distributed crushing bar assemblies are equipped at top end opening（18）, crush and incinerate Box（15）Center bottom be circular arc platy structure.

7. a kind of environmental-protection treatment device for domestic garbage according to claim 6, it is characterised in that：Box is incinerated in the crushing （15）One end of not connected second driving mechanism be arranged with two sliding bars（24）, the incineration chamber（4）Inner wall on it is solid Equipped with sliding groove（25）, the sliding bar（24）Pass through return spring（26）Top pressure is in sliding groove（25）Inner wall on.

8. a kind of environmental-protection treatment device for domestic garbage according to claim 5, it is characterised in that：The incinerator also wraps Include the flue for discharging combustion product gases（27）, the flue（27）One end be set to incineration chamber（4）It is interior, it is located to crush and incinerates box （15）Top, the other end stretch out ontology（1）, for being connect with external smoke eliminator；The flue（27）Inside it is equipped with Air-introduced machine（28）.

9. a kind of environmental-protection treatment device for domestic garbage according to claim 5, it is characterised in that：The combustion-supporting that ignites （16）Including mounting bracket（19）, the mounting bracket（19）One end be fixedly arranged on incineration chamber（4）Inner wall on, the other end is equipped with Air intake duct（20）, described to run through air intake duct（20）Equipped with ignitron（21）, the ignitron（21）Fire end（22）Pass through peace Fill holder（19）Set on hollow hole（17）Underface, ignitron（21）Inlet end then connect with external fuel storage device.

10. a kind of environmental-protection treatment device for domestic garbage according to claim 8, it is characterised in that：The mounting bracket （19）For rectangular frame, ignitron（21）Fire end（22）In rectangular frame, the rectangular frame be equipped with fire end （22）Adjacent one side is equipped with ventilation hole（23）.