CN105526593B - A kind of heat accumulation type waste gas combustion furnace - Google Patents
A kind of heat accumulation type waste gas combustion furnace Download PDFInfo
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- CN105526593B CN105526593B CN201610076680.4A CN201610076680A CN105526593B CN 105526593 B CN105526593 B CN 105526593B CN 201610076680 A CN201610076680 A CN 201610076680A CN 105526593 B CN105526593 B CN 105526593B
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- gas
- heat
- heat storage
- balance cylinder
- waste gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/10—Combustion in two or more stages
- F23G2202/103—Combustion in two or more stages in separate chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention provides a kind of heat accumulation type waste gas combustion furnace, it includes combustor, heat insulation shell and at least two groups of heat storages, heat storage described in each group encloses to form a balance cylinder with heat insulation shell, it is combustion chamber that each balance cylinder, which encloses and to form central space, the combustor is arranged on top of combustion chamber center, the heat storage is communicated with the gas channel of the balance cylinder and combustion chamber, and the balance cylinder imports and exports provided with balance cylinder.Using the present invention, the problems such as gas mixing in the presence of prior art is uneven, gas residence time is short, fan energy consumption is big, heat storage stock utilization is low, product manufacture is complicated can solve the problem that.
Description
Technical field
The invention belongs to technical field of environment protection equipment, is related to existing using fields such as coating, paint, adhesive and cleaning agents
In caused VOC gas carry out the heat accumulation type waste gas combustion furnaces of oxidation processes.
Background technology
It is using burning method processing organic exhaust gas principle:Using high fever directly the harmful substance oxidation point in exhaust gas constituents
Solution, by oxidation operation into CO2And H20.Usually used combustion oxidation technology is：Carried out using in high temperature (800 DEG C or so)
Burning, or the method burnt using catalyst under low temperature (350 DEG C or so).Because the gas of burning processing has high temperature
The heat of degree, reclaimed by using heat-storing material and preheated VOC (VOC) gas that need to subsequently handle,
Improve energy efficiency and treatment effeciency.At present with above method device have two thermal accumulating incinerators, three and three
Above thermal accumulating incinerator and rotary heat accumulating type incinerator.
Two thermal accumulating incinerators energy storage bed switch change-over valve when, into energy storage bed but without burning waste gas with
Gas mixing discharge after processing, causes firing efficiency low.Three and more than three thermal accumulating incinerators, in two incinerators
On the basis of increase clean into energy storage bed but without the waste gas link of burning, solve the problems, such as that firing efficiency is low.Due to valve
Door quantity is more, and carries out frequently periodic reverse and act, and causes life of valve short, and easily leaks, and is converting
The influence that moment occurs pressure change and brought to post-order process causes a series of problems；Equipment volume is huge, is manufactured into simultaneously
This height, control are complicated.Therefore, there is rotary heat accumulating type incinerator by technological improvement in the same industry.Such as Application No.
201310463844.5 Chinese patent disclose a kind of rotary heat accumulating type burned waste gas device；Application No.
The wind direction conversion that 201110116182.5 Chinese patent discloses a kind of heat accumulating burner is assembled with separate type rotary valve
Body and the regenerative combustion system for possessing the assembly.With rotary reversing valve, to solve, switch valve is more, control is complicated asks
Topic.There is machine utilization to change simultaneously few, it is stable；The advantages that occupation area of equipment is small.But because pending gas is vertical
Heat storage is upwardly into, and is discharged vertically downward from heat storage after burning, the camber line that air-flow stroke is different radii occurs, OK
Journey is widely different to cause residence time and mixing all to ensure.Another too small heat storage resistance of the sectional area to gas windward
Greatly, cause fan energy consumption big；Expose the problems such as heat storage stock utilization is low, product manufacture is complicated simultaneously.
The content of the invention
The technical problems to be solved by the invention are, there is provided a kind of heat accumulation type waste gas combustion furnace, can solve prior art
In the presence of gas mixing it is uneven, gas residence time is short, fan energy consumption is big, heat storage stock utilization is low, product system
The problems such as making complex process.
In order to solve the above-mentioned technical problem, the invention provides a kind of heat accumulation type waste gas combustion furnace, it include combustor, every
Hot housing and at least two groups of heat storages, heat storage described in each group enclose to form a balance cylinder with heat insulation shell, each described
It is combustion chamber that balance cylinder, which encloses and to form central space, and the combustor is arranged on top of combustion chamber center, the heat storage
The gas channel of the balance cylinder and combustion chamber is communicated with, the balance cylinder imports and exports provided with balance cylinder.
As the improvement of above-mentioned technical proposal, the heat storage is provided with two groups, and the balance cylinder is according to gas treatment shape
State can be divided into pending gas balance room and processed gas balance room.
As the improvement of above-mentioned technical proposal, the heat storage is provided with three groups or more than three groups, the balance cylinder according to
Gas treatment state can be divided into pending gas balance room, processed gas balance room and clean gas balance room.
As the improvement of above-mentioned technical proposal, heat exchanger is provided with the combustion chamber, the heat exchanger is arranged on described
Bottom of combustion chamber center.
As the improvement of above-mentioned technical proposal, the heat exchanger sets reflection gas collection against combustor flame kernel direction
Cover.
As the improvement of above-mentioned technical proposal, the circumferentially equidistant internal cavity for being arranged in the heat insulation shell of the heat storage
Surrounding.
As the improvement of above-mentioned technical proposal, the gas channel on the heat storage is formed with the heat insulation shell medial surface
Inscribed circle tangential direction it is consistent.
As the improvement of above-mentioned technical proposal, the interlayer for being partially or fully provided with certain space of the heat insulation shell, institute
State the interlayer heat insulation shell adjacent with the combustion chamber and be provided with passage.
As the improvement of above-mentioned technical proposal, the heat insulation shell is provided with the gas connection ports connected with the interlayer.
As the improvement of above-mentioned technical proposal, be provided with divider wall between heat storage described in every two groups, the divider wall with
Its heat storage mutually leaned on links into an integrated entity to be enclosed to form balance cylinder with heat insulation shell.
Implement a kind of heat accumulation type waste gas combustion furnace of the present invention, compared with prior art, have the advantages that：
(1) by the structure type of above-mentioned balance cylinder and combustion chamber, pending gas level is made to enter combustion chamber center, oxygen
Change and horizontally enter into heat storage heat release after decomposing, solve in the prior art that pending gas is upwardly into heat storage, and fire
Vertically downward from caused by heat storage discharge after burning：During burning, air-flow stroke is the camber line of different radii, and stroke is widely different
The problem of causing residence time and mixture homogeneity to ensure, while material is also saved, reduce cost；
(2) floor space is small, and in the case of identical floor space and same volume, accumulation of heat body thickness reduces, and reduces gas
The windage of passage, breeze fan rated power is low, and the bags is designed to reach maximization, make each group heat storage it
Between keep enough distances, make residence time, oxidation Decomposition time of the pending gas in combustion chamber longer, ensure that oxidation is filled
Point；
The body construction of (3) three rooms (i.e. three balance cylinders and a combustion chamber), overall structure is simple and reliable, can have
Implement the operating modes such as charge heating, cleaning, heat absorption exhaust in effect ground；
(4) by being designed with Gas Stirring (such as design of interlayer, gas channel), it is ensured that waste gas is well mixed, can
Ensure that exhaust treatment efficiency is high, treatment effeciency is better than current heat accumulating type incineration device；
(5) another important indicator as heat accumulating type incineration device is energy-saving efficiency i.e. heat exchange efficiency, by above-mentioned
The design of heat exchanger and reflection gas skirt, alternative current incinerator must be equipped with heat bypass release.Due to exhaust gas concentration mistake
The technique of production waste heat in Gao Shilu, heat recovery and utilization is effectively improved, reduce equipment cost and improves Energy Efficiency Ratio, it is real
Existing heat energy release and heat energy output, heat exchange efficiency can accomplish 96%, heat transfer temperature difference can accomplish 40 DEG C it is even lower.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the accompanying drawing of embodiment will be simply situated between below
Continue.
Fig. 1 is the front view of rotary heat accumulating type burned waste gas device of the present invention；
Fig. 2 be structure A-A shown in Fig. 1 to sectional view；
Fig. 3 is the top view of rotary heat accumulating type burned waste gas device of the present invention；
Fig. 4 is the sectional view of structure B-B direction shown in Fig. 3；
Fig. 5 is the isometric views of rotary reversing valve；
Fig. 6 is the front view of rotary reversing valve；
Fig. 7 be structure C-C shown in Fig. 6 to sectional view；
Fig. 8 be structure D-D shown in Fig. 6 to sectional view；
Fig. 9 be structure E-E shown in Fig. 6 to sectional view；
Figure 10 be structure F-F shown in Fig. 6 to sectional view and clean when gas passage is in malleation gas in valve inner
The schematic diagram of flowing；
Figure 11 be structure F-F shown in Fig. 6 to sectional view and clean when gas passage is in negative pressure gas in valve inner
The schematic diagram of flowing；
Figure 12 is the front view of valve element；
Figure 13 is the rearview of valve element；
Figure 14 be clean gas passage be in during malleation rotary heat accumulating type burned waste gas device of the present invention from a work step to
The procedure chart of next work step；
Figure 15 be clean gas passage be in during negative pressure rotary heat accumulating type burned waste gas device of the present invention from a work step to
The procedure chart of next work step.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The heat accumulation type waste gas combustion furnace of the present invention can be connected to become rotary heat accumulating type burned waste gas dress with rotary reversing valve
Use is put, can also be by traditional two heat accumulating type incineration devices, the connecting line of three and more than three heat accumulating type incineration devices
It is attached use.
Below, referring to shown in Fig. 1 to Fig. 4, by taking rotary heat accumulating type burned waste gas device as an example, it includes the accumulation of heat of the present invention
Formula waste gas combustion furnace 2 and rotary reversing valve 1.
The heat accumulation type waste gas combustion furnace 2 of the present invention includes combustor 21, heat insulation shell 22, heat storage 23, balance cylinder 24, combustion
Burn room 25 and connect the gas channel (not indicated in figure) of balance cylinder 24 and combustion chamber 25.
The specific setting form of the heat accumulation type waste gas combustion furnace 2 of the present invention is as follows：
Heat insulation shell 22, its profile can be the different geometries such as polygon, cylinder, can be according to the processing of client
Air quantity, the size of equipment placement space are changed.Heat insulation shell 22 by shell 221 and be covered in the inner surface of shell 221 every
Hot wall 222 forms.Shell 221 can include or not comprising heat-insulation layer, with meet effectively prevent the body of incinerator 2 heat losses,
Operating personnel's scald etc. requires.Insulated wall 222 is that the inner surface of shell 221 needs heat-insulated and piled up with heat-barrier material, be assembled
Wall.It should be noted that the interlayer 26 for being partially or fully additionally provided with certain space of heat insulation shell 22, interlayer 26 and combustion chamber 25
Adjacent heat insulation shell 22 (namely insulated wall 222) is provided with passage 223, and heat insulation shell 22 is provided with the gas connected with interlayer 26
Body connector 224.By the design of above-mentioned interlayer 26, compared with gas connection ports 224 of the gas by blower fan from interlayer 26 of low temperature
Into the space of interlayer 26, the gas of flowing plays double effectses that are heat-insulated and taking away heat, is greatly reduced by insulated wall 222
The heat outwards transmitted, more preferable effect of heat insulation is obtained in the case of being obtained using same heat-barrier material, reduce shell during operation
221 temperature, have both ensured safety, also reduce thermal losses.Gas injects combustion chamber 25 by the passage 223 of insulated wall 222,
Play a part of stirring pending gas in combustion chamber 25, it is more sufficiently mixed combustion oxidation.This feature is used simultaneously,
During equipment prerun, gas internally circulates, and can quickly improve in-furnace temperature, shortens equipment prerun time, saves combustion
Material.
It heat storage 23, can be made of multiple material, include but is not limited to ceramics, mullite, cordierite etc., accumulation of heat
Body 23 can have multiple structural forms, including but not limited to honeycomb shape, cuboid, tabular, spheroid etc., and heat storage 23 can
To set two groups or more than two groups.Gas is increased to increase by the ventilation section of heat storage 23 with the height of heat storage 23,
On the premise of the cumulative volume of heat storage 23 is constant, the thickness of heat storage 23 reduces, and the windage of gas passage is reduced, so as to reduce blower fan energy
Consumption.Pending gas comes out from the heat absorption of heat storage 23, and after the gas mixing that is ejected from interlayer 26, airflow direction produces changes
Become, gas level flows to axis direction.It should be noted that each group heat storage 23 is circumferentially equidistant to be arranged in the interior of heat insulation shell 22
Portion's cavity surrounding, divider wall 27 is provided between every two groups of heat storages 23, the heat storage 23 that divider wall 27 mutually leans on it connects into
One encloses to form balance cylinder 24 with heat insulation shell 22.The divider wall 27 is need to separate flame in the body interior space of incinerator 2
Or hot gas flow and piled up with heat-barrier material, assembled wall, make to keep enough distances between each group heat storage 23, make to treat
The residence time of processing gas, oxidation Decomposition time are protected.
Balance cylinder 24, it is that the space formed is enclosed by each group of heat storage 23 and heat insulation shell 22, balance cylinder 24 has mixed
The function of close, flowing.Described balance cylinder 24 is provided with balance cylinder's inlet and outlet 241, and balance cylinder's inlet and outlet 241 can be according to connection wind
Pipe, the needs of valve set one or more.Pending gas enters balance cylinder by connection airduct from balance cylinder's inlet and outlet 241
24, after balancing pressure, pending gas enters combustion chamber 25, by abundant evenly into heat storage 23 after heat absorption heating
After mixing after-combustion oxidation, enter balance cylinder 24 after another group of heat release of heat storage 23 cools.Processed gas after up to standard
Discharged by balance cylinder's inlet and outlet 241 by airduct.
Combustion chamber 25, be that the central space formed is enclosed by each balance cylinder 24, the combustion chamber 25 using the axle center of incinerator 2 as
The center of circle, inscribe side insulated wall 222 formed circle on the basis of, each group heat storage 23 is arranged on circumference.This structure is device
Entirety can obtain the bigger space of combustion chamber 25 in the case where taking same space.Pending gas level enters combustion chamber
25 is central, and the heat release of heat storage 23 is horizontally entered into after oxidation Decomposition.Such design, solve pending gas in the prior art and hang down
It is straight to be upwardly into heat storage 23, and caused by being discharged vertically downward from heat storage 23 after burning：During burning, air-flow stroke is not
With the camber line of radius, stroke widely different the problem of causing residence time and mixture homogeneity to ensure, while also save
Material reduces cost.
Gas channel, connection balance cylinder 24 and combustion chamber 25.Gas channel passes through the structure pore of heat storage 23 and heat storage
23 placement combinations of gaps form.Gas flows into heat storage 23 by gas channel from balance cylinder 24 and enters back into combustion chamber 25, or from
Combustion chamber 25 flows into heat storage 23 by gas channel and enters back into balance cylinder 24.It should be noted that the air-flow on heat storage 23
Passage is consistent with the inscribed circle tangential direction that the medial surface of heat insulation shell 22 is formed.It is such to be designed to make air-flow by tangent line side
To combustion chamber 25 is entered, effectively the indoor pending gas of agitation, lifts mixture homogeneity, improves oxidation efficiency.
Combustor 21, the center of top installed in combustion chamber 25.Pending gas is from the heat storage for being placed on different angle
23 horizontal directions enter combustion chamber 25, and the flame radiation heat energy of combustor 21 is more effectively transferred to the VOCs (volatilizations in gas
Property organic matter), make its abundant combustion oxidation.
In addition, incinerator 2 also includes heat exchanger 28 and reflection gas skirt 29.
Heat exchanger 28, the bottom center installed in combustion chamber 25, and pass through the gas of exchange heat blast pipe 281 and heat insulation shell 22
The connection of body connector 224.Under the attraction of recuperated cycle blower fan, the gas of processed higher temperatures is changed into heat exchanger
Heat, using in stove burn, aoxidize caused by heat energy.The conventional heat energy utilization method of current incinerator exchanges heat for heat bypass,
Because hot bypass gases temperature is higher, valve material selection, sealing effectiveness is caused to have higher requirements so that recuperation of heat processing cost
Height, security are poor；The not timing of valve, which is opened, causes heat energy unstable.By installing the alternative current incinerator of heat exchanger 28
Technique of the heat bypass release due to producing waste heat when exhaust gas concentration is too high in stove is must be equipped with, effectively improves heat recovery
Using, reduce equipment cost and improve Energy Efficiency Ratio, realize heat energy release and heat energy output.It should be noted that by heat exchanger 28
The benefit for being placed on the bottom of combustion chamber 25 is the principle lived in away using the airflow direction of hot-air, is advantageous to heat exchanger 28 and is circulating
It is not easy to be burnt by free convection hot-air when blower fan is out of order.
Gas skirt 29 is reflected, installed in heat exchanger 28 against the flame kernel direction position of combustor 21.Reflect gas skirt 29
The gas of the abundant high temperature oxidation process of the heart channel of Hang-Shaoyin enters heat exchanger 28 in collection, while the radiant heat of thermal-flame is reflexed into burning
The surrounding of room 25, make the temperature in combustion chamber 25 more uniform, lift VOCs conversion efficiency, prevent hyperthermia radiation from damaging heat exchanger
28。
With reference to shown in referring to Fig. 5 to Figure 13, the rotary reversing valve 1 includes valve body 11, valve element 12 and drive device 13.
The specific setting form of the rotary reversing valve 1 is as follows：
Valve body 11 is tube structure, and both ends of the surface seal, and the central shaft of valve element 12 is arranged on the central shaft of the both ends of the surface of valve body 11
Hold；There is certain interval, the center axis connection of drive device 13 and valve element 12 and with movable valve plug between valve body 11 and valve element 12
12 rotate, and drive device 13 is preferably stepper motor.So, due to valve body 11 and valve element 12 exist gap will not phase mutual friction,
As long as the torsion of drive device 13 overcomes the frictional force and gas of bearing, the reaction force into distribution area is i.e. rotatable.Two kinds of power
All very littles, it is small to match the rated power of motor, realizes that power consumption is low.
Air inlet area 14, exhaust area 15, the distribution area 17 of sweeping area 16 and at least two are provided between valve element 12 and valve body 11.Its
In, air inlet area 14 and exhaust area 15 are respectively the space region that valve element 12 separates into the internal cavities of valve body 11 upper and lower two parts
Domain, sweeping area 16 are area of space of the valve element 12 close to the inwall of valve body 11, and distribution area 17 is the valve element 12 away from valve body
The area of space of 11 inwalls.Valve body 11 is provided with the air inlet area air inlet 141 connected with air inlet area 14, connected with exhaust area 15
Point that exhaust area exhaust outlet 151, the sweeping area connected with sweeping area 16 inlet and outlet 161 and at least two connect with distribution area 17
With area's inlet and outlet 171.Each distribution area inlet and outlet 171 are connected with each self-corresponding balance cylinder's inlet and outlet 241 respectively by airduct
It is logical.Each distribution area inlet and outlet 171 are in mutually level reference plane, the air inlet area air inlet 141, exhaust area exhaust outlet
151st, in the reference plane of sweeping area inlet and outlet 161 and distribution area inlet and outlet 171 in different height.
Exemplified by arranging the incinerator 2 of three groups of heat storages 23：
Balance cylinder 24 can be divided into pending gas balance room 24a, processed gas balance room 24b according to gas treatment state
With clean gas balance room 24c, distribution area 17 can be divided into pending gas according to gas treatment state and distribute area 17a and processed
Gas distributes area 17b；Pending gas distribution area 17a connects to form pending gas passage 18 with air inlet area 14, and the allocated
Area's inlet and outlet 171, balance cylinder's inlet and outlet 241 connect with pending gas balance room 24a, processed gas distribution area 17b and row
The connection of gas area 15 forms processed gas passage 19, and the allocated area inlet and outlet 171, balance cylinder's inlet and outlet 241 and processed gas
Body balance cylinder 24b is connected；Valve element 12 is that hollow structure connects formation cleaning gas passage 10 with sweeping area 16, specifically, valve element
12 upper and lower ends are hollow disc 121, and middle part is hollow clapboard 122, and hollow disc 121 and the inside of hollow clapboard 122 are mutual
Connection, hollow disc 121 is provided with the first through hole 123 connected with sweeping area 16 close to the periphery of the inwall of valve body 11, hollow
Dividing plate 122 is provided with the second through hole 124 connected with distribution area inlet and outlet 171 close to the region of the inwall of valve body 11.
When cleaning gas passage 10, which is in malleation, blows gas, processed gas or clean gas can be used by cleaning gas
Enter sweeping area 16 by sweeping area inlet and outlet 161, first through hole 123 successively, at this moment clean gas pressure and own more than in valve
The gas pressure in region, realize that the gas in the gas and processed gas passage 19 obstructed in pending gas passage 18 mixes
Close.Then, each region (including air inlet area 14, distribution area 17 and exhaust area 15) progress next step can be re-assigned to by cleaning gas
Process (as shown in Figure 10).When cleaning gas passage 10 is in vacuum suction gas, sweeping area 16 forms negative pressure and will had been enter into
Gap mixed gas between valve element 12 and valve body 11 is drawn into valve element 12 through first through hole 123 and imported and exported from sweeping area
161 send out, and are then sent into air inlet area 14 through air inlet area air inlet 141 again, realize the gas obstructed in pending gas passage 18
Gas mixing (as shown in figure 11) in body and processed gas passage 19.It can be seen that the present invention in valve element 12 by designing first
Through hole 123, pending gas passage 18 and processed gas passage 19 can be separated and be interconnected, it is mixed to realize that each region does not intersect
The seal request of conjunction.
In addition, when the second through hole 124 of valve element 12 goes to a certain distribution area and imports and exports 171 face, sweeping area 16 is through dividing
With area inlet and outlet 171, balance cylinder inlet and outlet 241 with cleaning gas balance room 24c connect, make to remain in heat storage 23 without
The gas for crossing burning disposal is passed in and out to another region, and residual gas is directly entered combustion chamber 25 and fully burnt during malleation, during negative pressure
Then it is drawn into valve element 12 through balance cylinder's inlet and outlet 241, distribution area the 171, second through hole 124 of inlet and outlet and enters from sweeping area successively
Outlet 161 is sent out, and is then sent into air inlet area 14 through air inlet area air inlet 141 again, is continued to complete required process.It can be seen that this hair
It is bright will to enter in heat storage 23 by designing the second through hole 124 in valve element 12 but sweep out without the waste gas of burning,
The oxidation processes of combustion chamber 25 are reentered, avoid the untreated dual disposal of waste gas, improve burned waste gas device treatment effeciency.
Exemplified by arranging the incinerator 2 of two groups of heat storages 23：
Balance cylinder 24 can be divided into pending gas balance room 24a and processed gas balance room according to gas treatment state
24b, distribution area 17 can be divided into pending gas according to gas treatment state and distribute area 17a and processed gas distribution area 17b；Treat
Processing gas distribution area 17a connects to form pending gas passage 18 with air inlet area 14, and the allocated area inlet and outlet 171, balance
Room inlet and outlet 241 connect with pending gas balance room 24a, and processed gas distribution area 17b has connected formation with exhaust area 15
Processing gas passage 19, and the allocated area inlet and outlet 171, balance cylinder's inlet and outlet 241 connect with processed gas balance room 24b.
The valve element 12 is that hollow structure connects formation cleaning gas passage 10 with the sweeping area 16, specifically, valve element 12 is upper and lower
Both ends are hollow disc 121, and middle part is hollow clapboard 122, and hollow disc 121 is interconnected with the inside of hollow clapboard 122, hollow
Disk 121 is provided with the first through hole 123 connected with sweeping area 16, the first through hole 123 close to the periphery of the inwall of valve body 11
The gap closed for forming ring between gas tamponade valve element 12 and valve body 11.
When cleaning gas passage 10, which is in malleation, blows gas, processed gas or clean gas can be used by cleaning gas
Enter sweeping area 16 by sweeping area inlet and outlet 161, first through hole 123 successively, at this moment clean gas pressure and own more than in valve
The gas pressure in region, realize that the gas in the gas and processed gas passage 19 obstructed in pending gas passage 18 mixes
Close.Then, each region (including air inlet area 14, distribution area 17 and exhaust area 15) progress next step can be re-assigned to by cleaning gas
Process (as shown in Figure 10).When cleaning gas passage 10 is in vacuum suction gas, sweeping area 16 forms negative pressure and will had been enter into
Gap mixed gas between valve element 12 and valve body 11 is drawn into valve element 12 through first through hole 123 and imported and exported from sweeping area
161 send out, and are then sent into air inlet area 14 through air inlet area air inlet 141 again, realize that each zone gas can not be mixed (such as Figure 11 institutes
Show).It can be seen that the present invention can separate pending gas passage 18 and processed gas leads to by the design of above-mentioned sweeping area 16
Road 19 is interconnected, and realizes the seal request of each region not cross-mixing.
It should be noted that compared with the burned waste gas device of three groups of heat storages 23, the waste gas of two groups of heat storages 23 burns
Burning device treatment effeciency is slightly lower, can will enter in heat storage 23 but be arranged without the gas mixing after the waste gas of burning and processing
Put, cause portion untreated.Meanwhile gas direction, when switching, the section of gas inlet and outlet produces change, cause temperature,
Airflow fluctuation is larger.
Below, with reference to shown in referring to Figure 10 and Figure 14, the burned waste gas device for introducing three groups of heat storages leads in cleaning gas
Road 10 is in course of work when malleation blows gas：
Figure 14 be clean gas passage be in during malleation rotary heat accumulating type burned waste gas device of the present invention from a work step to
The procedure chart of next work step；Wherein also illustrate that balance cylinder inlet and outlet A, B, C of incinerator correspondingly connect the distribution of rotary reversing valve
Import and export the change of various gas flow directions before and after A, B, C and valve commutation in area.
Pending gas is entered (namely the air inlet area 14 of pending gas passage 18 of valve element 12 by air inlet area air inlet 141
Area 17a is distributed with pending gas), gas enters pending gas balance room by distributing area's inlet and outlet 171 and sending out through airduct
24a；Again by entering combustion chamber 25 after the corresponding first group of heat storage 23a heat absorptions heatings of pending gas balance room 24a；Burning
Device is heated to design temperature and carries out oxidation processes.
Off-gas oxidizing is divided into two parts after decomposing, the gas of Part I high temperature drops by second group of heat storage 23b heat release
Enter processed gas balance room 24b after temperature, the processed gas passage 19 of valve element 12 is then entered by balance cylinder's inlet and outlet 241
(namely exhaust area 15 and processed gas distribution area 17b).Into after this passage, processed gas passes through airduct qualified discharge；
The processed gas of Part II higher temperatures sucks heat exchanger 28 under the attraction of recuperated cycle blower fan, by reflecting gas skirt 29,
A part of gas after heat exchange cooling is sent into the space of interlayer 26 of heat insulation shell 22 by blower fan from gas connection ports 224, another
Portion gas directly discharges by airduct.
Meanwhile clean gas and be divided into two parts in the case where cleaning blower fan malleation and blowing, Part I gas passes through the second through hole
124th, area's inlet and outlet 171, balance cylinder's inlet and outlet 241 are distributed into gas balance room 24c is cleaned, the 3rd group of heat storage will be remained in
Pending gas is fed directly to combustion chamber 25 through gas channel in 23c, stirs the pending gas in combustion chamber 25, it more can
It is sufficiently mixed combustion oxidation；Part II gas enters sweeping area 16 through first through hole 123, will stay on valve body 11 and valve element 12
Between pending gas in gap or processed gas blow open, a portion gas forms mixed gas with pending gas
Carry out the next step, make to remain in pending gas in valve clearance and fully handled, another part gas with it is processed
Gas forms mixed gas and passes through airduct qualified discharge.
After setting time, first group of heat storage 23a has cooled, but remains gas to be handled in vivo；Second group of storage
Hot body 23b is clean and has warmed up；3rd group of heat storage 23c goes out pending gas cleaning.After valve element 12 rotates 120 degree,
Pending gas enters from second group of heat storage 23b, the 3rd group of heat storage 23c discharge, first group of heat storage 23a is carried out clear
Sweep, equipment repeats above-mentioned job step operation.
Again after setting time, second group of heat storage 23b has cooled, but remains gas to be handled in vivo；3rd group
Heat storage 23c is clean and has warmed up；First group of heat storage 23a goes out pending gas cleaning.Valve element 12 rotates 120 degree
Afterwards, pending gas enters from the 3rd group of heat storage 23c, first group of heat storage 23a discharge, second group of heat storage 23b is carried out
Clean, equipment repeats above-mentioned job step operation again.
Again after setting time, the 3rd group of heat storage 23c has cooled, but remains gas to be handled in vivo；First group
Heat storage 23a is clean and has warmed up；Second group of heat storage 23b goes out pending gas cleaning.Valve element 12 rotates 120 degree
Afterwards, pending gas enters from first group of heat storage 23a, second group of heat storage 23b discharge, the 3rd group of heat storage 23c is carried out
Clean, equipment repeats above-mentioned job step operation.
After above-mentioned 3 operation phase, an exhaust-gas treatment work period is formed, this device can be achieved in loop cycle
Function.
Below, with reference to shown in referring to Figure 11 and Figure 15, the burned waste gas device for introducing three groups of heat storages leads in cleaning gas
Road 10 is in course of work during vacuum suction gas：
Figure 15 be clean gas passage be in during negative pressure rotary heat accumulating type burned waste gas device of the present invention from a work step to
The procedure chart of next work step；Wherein also illustrate that balance cylinder inlet and outlet A, B, C of incinerator correspondingly connect the distribution of rotary reversing valve
Import and export the change of various gas flow directions before and after A, B, C and valve commutation in area.
Pending gas is entered (namely the air inlet area 14 of pending gas passage 18 of valve element 12 by air inlet area air inlet 141
Area 17a is distributed with pending gas), wherein most gas enters pending gas by distributing area's inlet and outlet 171 and sending out through airduct
Body balance cylinder 24a；Again by entering burning after the corresponding first group of heat storage 23a heat absorptions heatings of pending gas balance room 24a
Room 25；Burner is heated to design temperature and carries out oxidation processes.Small portion of gas can enter between valve body 11 and valve element 12
Gap (gap can be understood as sweeping area 16).
Off-gas oxidizing is divided into three parts after decomposing, the gas of Part I high temperature drops by second group of heat storage 23b heat release
Enter processed gas balance room 24b after temperature, the processed gas passage 19 of valve element 12 is then entered by balance cylinder's inlet and outlet 241
(namely exhaust area 15 and processed gas distribution area 17b).Into after this passage, processed gas passes through airduct qualified discharge；
The processed gas of Part II higher temperatures sucks heat exchanger 28 under the attraction of recuperated cycle blower fan, by reflecting gas skirt 29,
A part of gas after heat exchange cooling is sent into the space of interlayer 26 of heat insulation shell 22 by blower fan from gas connection ports 224, another
Portion gas directly discharges by airduct；The processed gas of Part III higher temperatures is cleaning blower negative pressure as gas is cleaned
Flowed out under attraction from the 3rd group of heat storage 23c, by the pending gas cleaning remained in the 3rd group of heat storage 23c to cleaning gas
Balance cylinder 24c, then import and export the 171, second through hole 124 by balance cylinder's inlet and outlet 241, distribution area successively and enter the clear of valve element 12
Sweep gas passage 10；Meanwhile in the case where cleaning blower negative pressure and attracting, it will stay on the fraction in gap between valve body 11 and valve element 12
Pending gas, processed gas are siphoned away together, and mixed gas is formed with cleaning gas.Pass through airduct and gas connection ports 224
Connection, a part of gas after this mixed gas cools with heat exchange mix the space of interlayer 26 for delivering to heat insulation shell 22 again.It is mixed
Close gas and combustion chamber 25 is injected by the passage 223 of insulated wall 222, stir gas pending in combustion chamber 25, make it more
Combustion oxidation can be sufficiently mixed, while remains in pending gas in valve clearance and heat storage and is all fully handled.
After setting time, first group of heat storage 23a has cooled, but remains gas to be handled in vivo；Second group of storage
Hot body 23b is clean and has warmed up；3rd group of heat storage 23c goes out pending gas cleaning.After valve element 12 rotates 120 degree,
Pending gas enters from second group of heat storage 23b, the 3rd group of heat storage 23c discharge, first group of heat storage 23a is carried out clear
Sweep, equipment repeats above-mentioned job step operation.
Again after setting time, second group of heat storage 23b has cooled, but remains gas to be handled in vivo；3rd group
Heat storage 23c is clean and has warmed up；First group of heat storage 23a goes out pending gas cleaning.Valve element 12 rotates 120 degree
Afterwards, pending gas enters from the 3rd group of heat storage 23c, first group of heat storage 23a discharge, second group of heat storage 23b is carried out
Clean, equipment repeats above-mentioned job step operation again.
Again after setting time, the 3rd group of heat storage 23c has cooled, but remains gas to be handled in vivo；First group
Heat storage 23a is clean and has warmed up；Second group of heat storage 23b goes out pending gas cleaning.Valve element 12 rotates 120 degree
Afterwards, pending gas enters from first group of heat storage 23a, second group of heat storage 23b discharge, the 3rd group of heat storage 23c is carried out
Clean, equipment repeats above-mentioned job step operation.
After the above three operation phase, an exhaust-gas treatment work period is formed, this dress can be achieved in loop cycle
The function of putting.
The above disclosed right for being only presently preferred embodiments of the present invention, the present invention can not being limited with this certainly
Scope, therefore the equivalent variations made according to scope of the present invention patent, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of heat accumulation type waste gas combustion furnace, it is characterised in that including combustor, heat insulation shell and at least two groups of heat storages, often
Heat storage described in one group encloses to form a balance cylinder with heat insulation shell, and each balance cylinder encloses to form central space as combustion
Room is burnt, the combustor is arranged on top of combustion chamber center, and the heat storage is communicated with the balance cylinder and combustion chamber
Gas channel, the balance cylinder imports and exports provided with balance cylinder, and during work, pending gas level enters in the combustion chamber
Entreat, the heat storage heat release is horizontally entered into after oxidation Decomposition.
2. heat accumulation type waste gas combustion furnace as claimed in claim 1, it is characterised in that the heat storage is provided with two groups, described
Balance cylinder can be divided into pending gas balance room and processed gas balance room according to gas treatment state.
3. heat accumulation type waste gas combustion furnace as claimed in claim 1, it is characterised in that the heat storage is provided with three groups or three groups
More than, the balance cylinder can be divided into pending gas balance room, processed gas balance room and cleaning according to gas treatment state
Gas balance room.
4. heat accumulation type waste gas combustion furnace as claimed in claim 1, it is characterised in that heat exchanger is provided with the combustion chamber,
The heat exchanger is arranged on bottom of combustion chamber center.
5. heat accumulation type waste gas combustion furnace as claimed in claim 4, it is characterised in that the heat exchanger is against in combustor flame
Heart direction sets reflection gas skirt.
6. heat accumulation type waste gas combustion furnace as claimed in claim 1, it is characterised in that the heat storage is circumferentially equidistant to be arranged in institute
State the internal cavity surrounding of heat insulation shell.
7. heat accumulation type waste gas combustion furnace as claimed in claim 1, it is characterised in that gas channel and institute on the heat storage
The inscribed circle tangential direction for stating the formation of heat insulation shell medial surface is consistent.
8. heat accumulation type waste gas combustion furnace as claimed in claim 1, it is characterised in that the heat insulation shell is partially or fully set
There is the interlayer of certain space, the interlayer heat insulation shell adjacent with the combustion chamber is provided with passage.
9. heat accumulation type waste gas combustion furnace as claimed in claim 8, it is characterised in that the heat insulation shell is provided with and the interlayer
The gas connection ports of connection.
10. heat accumulation type waste gas combustion furnace as claimed in claim 1, it is characterised in that set between heat storage described in every two groups
There is divider wall, the heat storage that the divider wall mutually leans on it links into an integrated entity to be enclosed to form balance cylinder with heat insulation shell.
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| CN201610076680.4A CN105526593B (en) | 2016-02-03 | 2016-02-03 | A kind of heat accumulation type waste gas combustion furnace |
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| CN116576469B (en) * | 2023-05-16 | 2023-10-13 | 江苏大信环境科技有限公司 | Explosion-proof temperature control type heat accumulating incinerator |
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| CN203517821U (en) * | 2013-09-30 | 2014-04-02 | 浙江环泰环保设备有限公司 | Rotary heat accumulating type waste gas incineration device |
| CN205481038U (en) * | 2016-02-03 | 2016-08-17 | 广东环葆嘉节能科技有限公司 | Heat accumulation formula waste gas burns burning furnace |
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| WO2006050196A2 (en) * | 2004-10-29 | 2006-05-11 | Eisenmann Corporation | Natural gas injection system for regenerative thermal oxidizer |
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| CN2381901Y (en) * | 1999-08-09 | 2000-06-07 | 周文惠 | Heat accumulating burner |
| CN2473468Y (en) * | 2001-03-10 | 2002-01-23 | 兰州瑞玛化机有限公司 | Heat accumulation type hot oxidizing device |
| CN2668952Y (en) * | 2003-11-18 | 2005-01-05 | 虞寿仁 | Gas rotary change valve |
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