CN110332553B - Rotary RTO capable of safely purging - Google Patents

Rotary RTO capable of safely purging Download PDF

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Publication number
CN110332553B
CN110332553B CN201910626384.0A CN201910626384A CN110332553B CN 110332553 B CN110332553 B CN 110332553B CN 201910626384 A CN201910626384 A CN 201910626384A CN 110332553 B CN110332553 B CN 110332553B
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China
Prior art keywords
shell
valve body
air outlet
fixed
movable valve
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CN201910626384.0A
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CN110332553A (en
Inventor
刘全军
仇玉楼
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Jiangsu Daheng Environmental Equipment Manufacturing Co ltd
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Changzhou Daheng Environmental Technology Co ltd
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Priority to CN201910626384.0A priority Critical patent/CN110332553B/en
Publication of CN110332553A publication Critical patent/CN110332553A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/061Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
    • F23G7/065Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
    • F23G7/066Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
    • F23G7/068Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00Specific waste
    • F23G2209/14Gaseous waste or fumes

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Multiple-Way Valves (AREA)
  • Incineration Of Waste (AREA)

Abstract

The application provides a rotary RTO capable of safely purging, which comprises a shell, a rotary valve and a heat accumulator, wherein the rotary valve and the heat accumulator are arranged in the shell, an air outlet pipeline is arranged in the shell, the rotary valve comprises a rotary shaft and a movable valve body, an air inlet tank is arranged on the movable valve body, a mixing hole is arranged on the tank wall of the air inlet tank, a cleaning hole corresponding to the cleaning pipeline is arranged on the rotary shaft, one end of the cleaning pipeline is sleeved on the rotary shaft corresponding to the cleaning hole, the other end of the cleaning pipeline is communicated to a cleaning device, the mixing hole is communicated with the cleaning hole, the heat accumulator comprises an upper distributing plate and a lower distributing plate, a plurality of vent pipes are communicated between the upper distributing plate and the lower distributing plate, a cavity in the shell and above the upper distributing plate is a heating cavity, the heating cavity is respectively communicated with the air outlet pipe and the air inlet tank through the vent pipes, purging the rotary valve and the heat accumulator in the shell through a cleaning pipeline, and flushing VOCs gas from the waste gas inlet to the gas cabin outside the shell.

Description

Rotary RTO capable of safely purging
Technical Field
The application relates to the technical field of VOCs gas treatment, especially, relate to a rotation type RTO that can sweep safely.
Background
When the rotation type RTO is used, VOCs gas is in its inside when carrying out oxidative decomposition, and VOCs gas is intermittent type nature feeding, in the interval time of feeding, needs to be flooded corresponding clean gas, and the VOCs gas after will handling is rejected outside the furnace body.
The pipeline filled with the clean gas is communicated to the gas inlet pipeline through structures such as a three-way valve, when the gas is switched to enter, the valve on the gas inlet pipeline needs to be closed, and meanwhile, the valve on the clean gas pipeline is opened, and the gas switching process causes the structure of the gas inlet pipeline to be too complex and the operation to be inconvenient.
Certain VOCs gas remains in the gas inlet pipeline, when clean gas is input, the part of VOCs gas often enters the furnace body synchronously, the temperature in the furnace body is not enough to decompose the part of VOCs gas at the moment, and the part of VOCs gas is discharged out of the furnace body without being sufficiently decomposed to pollute the environment.
Disclosure of Invention
Based on above-mentioned technical problem, the utility model provides a but rotation type RTO that conveniently switches into gas, and prevent that partial VOCs gas from revealing safely sweeps.
The technical scheme adopted by the application for solving the technical problem is as follows: a rotary RTO capable of being safely swept comprises a shell, a rotary valve and a heat accumulator, wherein the rotary valve and the heat accumulator are installed in the shell, an air outlet pipeline is arranged in the shell, the rotary valve comprises a rotary shaft which is rotatably inserted in a supporting plate and a movable valve body which is fixed on the rotary shaft, an air inlet groove is formed in the movable valve body, a mixing hole is formed in the wall of the air inlet groove, a cleaning hole corresponding to the cleaning pipeline is formed in the rotary shaft, one end of the cleaning pipeline is sleeved on the rotary shaft corresponding to the cleaning hole, the other end of the cleaning pipeline is communicated to cleaning equipment, the mixing hole is communicated with the cleaning hole, the heat accumulator comprises an upper distributing plate and a lower distributing plate which are fixed in the shell and arranged above the movable valve body, a plurality of vent pipelines are communicated between the upper distributing plate and the lower distributing plate, and a cavity which is positioned in the shell and above the upper distributing plate is, the heating cavity is respectively communicated with the air outlet pipeline and the air inlet groove through the air vent pipeline.
Furthermore, the lower distributing plate is fixed on the inner wall of the shell, an air inlet is formed in the lower distributing plate and communicated with the rotary valve, and vent holes corresponding to the vent pipelines are formed in the upper distributing plate and the lower distributing plate.
Furthermore, the heat accumulator also comprises a heating base fixed on the upper distribution plate and a plurality of heat accumulation ceramics inserted in the heating base, and the heat accumulation ceramics are fixedly arranged on the heating base in a fan shape.
Furthermore, the heating base comprises a heating column fixed on the upper distribution plate and a plurality of fan-shaped heaters fixed above the heating column, and the heat storage ceramic is inserted into gaps among the fan-shaped heaters in a matching manner.
Furthermore, the fan-shaped heater is in a fan-shaped column shape, and the fan-shaped heater is distributed along the circumferential uniform gap of the heating column.
Further, the rotary valve is still including fixing change epaxial movable valve body, it has the air outlet duct to open on the movable valve body, the air inlet duct link up movable valve body's up end and side, the air outlet duct link up movable valve body's upper and lower terminal surface.
Furthermore, the movable valve body is fixedly provided with a wind shield, the wind shield is arranged in a fan shape in the wind outlet groove, and the wind shield corresponds to the air inlet hole.
Furthermore, the rotary base is provided with a fixed groove, the rotary valve further comprises a fixed valve body contained in the fixed groove, and a plurality of air outlets are uniformly distributed in the fixed valve body.
Furthermore, a supporting component is further installed in the shell and comprises a supporting bracket fixed in the shell and a sealing ring fixed at the top of the supporting bracket, and the sealing ring is lapped on the rotary valve.
Furthermore, the support bracket is composed of a plurality of support rods and a support plate clamped and embedded on the support rods, and the rotating shaft penetrates through the support plate.
The beneficial effects of this application are that, utilize in the outer cleaning device of epaxial clean piping connection to shell, under cleaning device's drive, gaseous along waste gas air inlet reverse repulsion to the gaseous gas storehouse of VOCs with VOCs, and the water and the carbon dioxide that finish handling outside the clean gaseous shell of discharging under ordering, when switching the admission line, because clean piping and admission line separately set up, the structure of admission line has been simplified, the operation process to the inside clean gaseous of input of furnace body is simplified, and clean gaseous with the gaseous reverse repulsion to the gaseous gas storehouse of VOCs, prevent the gaseous leakage of VOCs.
Drawings
The present application is further described below with reference to the drawings and examples.
FIG. 1 is a perspective view of a rotary RTO that can be safely purged according to the present application;
FIG. 2 is a perspective cross-sectional view of the rotary RTO shown in FIG. 1;
FIG. 3 is an exploded schematic view of the rotary RTO of FIG. 1;
FIG. 4 is a perspective view of a rotary valve of the rotary RTO of FIG. 1;
FIG. 5 is an exploded view of the rotary valve of FIG. 3;
FIG. 6 is a top view of the rotary valve of FIG. 3;
3 FIG. 3 7 3 is 3 a 3 rotated 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 36 3; 3
In the figure:
rotary RTO100 housing 10 support assembly 20 that can be safely purged
Drive assembly 30 rotates valve 40 thermal mass 50
Exhaust gas inlet pipe 111 limiting step 130
Support bracket 210 sealing ring 220 support rod 211
The support plate 212 has a drive hole 213 and an air outlet 214
Driven sleeve 310 linkage belt 320 of air outlet pipeline 215
Driving sleeve 330 gear motor 340 linkage groove 360
Movable valve body 430 of rotating shaft 410 cleaning pipeline 420
Fixed valve body 440 linkage block 411 cleaning hole 412
Air inlet groove 431 and air outlet groove 432 clamping groove 216
Wind deflector 433 mixing hole 435 distribution plate 510
Distribution plate 511 on heat accumulating ceramic 530 of heating base 520
Air intake holes 515 of vent 514 of lower distribution plate 512
Heating column 521 fan heater 522 vent conduit 512
Fixed slot 434 exhaust hole 441
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the application include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
As shown in fig. 1 to 7, the present application provides a rotary RTO100 capable of safe purging, comprising a housing 10, a support assembly 20 mounted in the housing 10, a driving assembly 30, a rotary valve 40, and a heat accumulator 50, wherein the rotary valve 40 is driven by the driving assembly 30 to rotate on the support assembly 20 below the heat accumulator 50.
As shown in fig. 1 and 2, the housing 10 is substantially cylindrical, the housing 10 is in a cavity structure with an opening at the lower end, a plurality of waste gas inlets are formed in the cylindrical portion of the housing 10, a waste gas inlet pipe 111 is fixedly installed in each waste gas inlet, VOCs gas enters the housing 10 through the waste gas inlet pipe 111, and a limit step 130 is formed on the inner wall of the housing 10.
As shown in fig. 1 to 3, the supporting assembly 20 includes a supporting bracket 210 fixed inside the opening of the housing 10 and a sealing ring 220 fixed on the top of the supporting bracket 210, the supporting bracket 210 is composed of a plurality of supporting rods 211 and a supporting plate 212 embedded between the supporting rods 211, a transmission hole 213 is formed in the central position of the supporting plate 212, an air outlet hole 214 is further formed in the supporting plate 212, an air outlet pipe 215 is communicated with the air outlet hole 214 to the outside of the housing 10, an embedding groove 216 in interference fit with the supporting rods 211 is further formed in the edge of the supporting plate 212, and the supporting rods 211 are attached to the inner wall of the housing 10 and are sealed and embedded in the embedding groove 216.
The driving assembly 30 includes a driven sleeve 310 disposed below the supporting plate 212, a linkage belt 320 sleeved on the driven sleeve 310, a driving sleeve 330 inserted in the linkage belt 320, and a reduction motor 340 driving the driving sleeve 330 to rotate, the driven sleeve 310 and the driving sleeve 330 are both provided with linkage grooves 360, the linkage belt 320 is tensioned and sleeved in the linkage grooves 360, the reduction motor 340 drives the driving sleeve 330 to rotate, the driving sleeve 330 drives the driven sleeve 310 to rotate through the linkage belt 320, and finally, the output torque of the reduction motor 340 is transmitted to the driven sleeve 310.
As shown in fig. 1 to 7, the rotary valve 40 includes a rotating shaft 410 inserted into the driven sleeve 310 through the transmission hole 213, a cleaning pipe 420 sleeved on the rotating shaft 410, a movable valve body 430 fixed at a top end of the rotating shaft 410, and a fixed valve body 440 inserted into the movable valve body 430.
The rotating shaft 410 is provided with a linkage block 411 corresponding to the driven sleeve 310, and the linkage block 411 is inserted into the inner wall of the driven sleeve 310, so that the driven sleeve 310 drives the rotating shaft 410 to rotate. The rotating shaft 410 is provided with a cleaning hole 412, one end of the cleaning pipe 420 is sleeved on the cleaning hole 412 in a manner of being in sealing lap joint with the supporting plate 212 and the rotating shaft 410, and the other end of the cleaning pipe is connected to a cleaning device outside the housing 10, the sealing lap joint manner between the cleaning pipe 420 and the supporting plate 212 and the rotating shaft 410 may be silica gel filling, or may be an isometric sealing manner of bearing sealing, which is not specifically limited in this embodiment, the cleaning device may be a cleaning fan, or may be a cleaning compressor, and is not specifically limited in this embodiment.
The movable valve body 430 is rotatably clamped between the sealing ring 220 and the limiting step 130, the movable valve body 430 is approximately cylindrical, and the contact surface between the movable valve body 430 and the housing 10 is coated with silica gel or a bearing for shaft sealing, so that the phenomenon of gas leakage and mixing of gas in the housing 10 is prevented. An air inlet groove 431 and an air outlet groove 432 are formed in the end face, far away from the sealing ring 220, of the movable valve body 430, the fan-shaped centers of the air inlet groove 431 and the air outlet groove 432 are overlapped on the axis of the movable valve body 430, the air inlet groove 431 penetrates through the upper end face and the side face of the movable valve body 430, the air outlet groove 432 penetrates through the upper end face and the lower end face of the movable valve body 430, and the air inlet groove 431 and the air outlet groove 432 are respectively arranged on two sides of the rotating shaft 410. The wall of the air inlet groove 431 is provided with a mixing hole 435, the mixing hole 435 is communicated to the cleaning hole 412 of the rotating shaft 410, the movable valve body 430 is also fixedly provided with a wind shield 433, and the wind shield 433 is arranged in the air outlet groove 432 in a fan shape.
The movable valve body 430 is provided with a fixing groove 434, the fixed valve body 440 is inserted into the fixing groove 434 in a matching manner, the fixed valve body 440 is a shell part, and the fixed valve body 440 is uniformly provided with a plurality of air outlets 441.
The heat accumulator 50 includes a distribution plate 510 fixed above the movable valve body 430 in the housing 10, a heating base 520 installed above the distribution plate 510, and a plurality of heat accumulating ceramics 530 inserted in the heating base 520.
The distributing plate 510 includes an upper distributing plate 511 fixed in the housing 10, a plurality of ventilating pipes 512 connected to the upper distributing plate 511 and disposed toward the rotary valve 40, and a lower distributing plate 513 fixed on the ventilating pipes 512, the upper distributing plate 511 and the lower distributing plate 513 are provided with ventilating holes 514, the ventilating pipes 512 are communicated with the ventilating holes 514, the ventilating holes 311 are respectively communicated to the air inlet groove 431 and the air outlet groove 432, the ventilating pipes 512 correspond to the exhaust gas inlet on the housing 10, the lower distributing plate 513 is provided with air inlet holes 515 corresponding to the inner holes of the fixed valve body 440, the air inlet holes 515 correspond to the air blocking plates 433, it can be understood that the air inlet holes 515 are blocked by the air blocking plates 433, the overlapping portion of the air inlet grooves 431 is open, and the overlapping portion of the. The cavity in the housing 10 above the upper distribution plate 511 is a heating cavity (not shown), and the heating cavity is respectively communicated to the air inlet groove 431 and the air outlet groove 432 through an air duct 512, and it can be understood that the heating cavity is communicated to the air outlet duct 215 on the support plate 212 through the air outlet groove 431.
The heating base 520 includes a heating column 521 fixed on the upper distribution plate 511 and a plurality of fan-shaped heaters 522 fixed above the heating column 521, the heating column 521 is installed at the central position of the upper distribution plate 513, the fan-shaped heaters 522 are in the shape of fan-shaped columns, and the fan-shaped heaters 522 are evenly installed on the end surfaces of the heating column 521 around the central axis of the heating column 521. The heat accumulating ceramic 530 is inserted into the gap of the fan heater 522, and the heat accumulating ceramic 530 is fixed to the end surface of the heating column 521.
In the above-described incinerator, the heat storage ceramic 530 is heated by the heating base 520 in the heat storage body 50 before the VOCs gas is treated. VOCs gas is injected into the shell 10 through a waste gas inlet, the gas enters the air inlet groove 431 through the air inlet hole 515, then enters the upper part of the distribution plate 510 through a part of the vent holes 514 and the vent pipes 512, high-temperature oxidation decomposition is carried out in the cavity of the shell 10 where the heat accumulator 50 is located, water and carbon dioxide generated by decomposition enter the air outlet groove 432 through the part of the vent holes 514 and the vent pipes 512, the gas enters the air outlet cavity formed between the shell 10 and the supporting plate 212 through the air outlet groove 432, and the gas in the air outlet cavity is discharged out of the shell 10 through the air outlet holes 214 and the air outlet pipes 215 on the supporting plate 212.
When the VOCs gas is cleaned, in order to ensure that the heat storage ceramic 530 is uniformly heated, the movable valve body 430 in the rotary valve 20 is rotated in the housing 10 under the driving of the driving assembly 30, and the relative positions of the air inlet groove 431 and the air outlet groove 432 are changed, so that the positions of the VOCs gas entering and exiting the heat accumulator 50 are changed, and the distribution positions of the VOCs gas during the treatment are changed.
In the gaseous in-process of handling VOCs, burn when burning furnace needs clean inside VOCs gaseous, utilize clean hole 412 and clean pipeline 420 on the pivot 410 to spout clean gas to the cavity in the shell 10, blow the VOCs gaseous storehouse of VOCs gaseous storage again in the shell 10, this process has separated waste gas intake pipe 111 and clean pipeline 420, simplify the structure of waste gas intake pipe 111, simultaneously, when spouting clean gas, the VOCs gaseous storehouse of VOCs gaseous storage is blown in reverse in some waste gas intake pipe 111, the pollution of VOCs gaseous to the environment has been avoided.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (1)

1. A rotary RTO that is safe to purge, comprising:
the shell is cylindrical in outline, the interior of the shell is in a cavity structure with an opening at the lower end, a plurality of waste gas inlets are formed in the cylindrical part of the shell, waste gas inlet pipes for VOCs gas to enter the shell are fixedly installed in the waste gas inlets, and limiting steps are formed in the inner wall of the shell;
the supporting component is arranged in the shell and comprises a supporting bracket fixed in the opening of the shell and a sealing ring fixed at the top of the supporting bracket, the supporting bracket consists of a plurality of supporting rods and a supporting plate clamped and embedded between the supporting rods, a transmission hole is formed in the central position of the supporting plate, an air outlet hole is further formed in the supporting plate, an air outlet pipeline is communicated with the outside of the shell on the air outlet hole, clamping grooves in interference fit with the supporting rods are further formed in the edges of the supporting plate, and the supporting rods are attached to the inner wall of the shell and are sealed and clamped in the clamping grooves;
the rotary valve comprises a rotating shaft penetrating through the transmission hole, a cleaning pipeline sleeved on the rotating shaft, a movable valve body fixed at the top end of the rotating shaft and a fixed valve body inserted in the movable valve body;
the heat accumulator is supported on the support assembly and comprises a distribution plate, a heating base and a plurality of heat accumulation ceramics, wherein the distribution plate is fixed in the shell and positioned above the movable valve body; and
the driving assembly is used for driving the rotary valve to rotate below the heat accumulator and comprises a driven sleeve arranged below the supporting plate, a linkage belt sleeved on the driven sleeve, a driving sleeve inserted in the linkage belt and a speed reduction motor driving the driving sleeve to rotate, linkage grooves are formed in the driven sleeve and the driving sleeve, and the linkage belt is tensioned and sleeved in the linkage grooves;
the rotating shaft is inserted into the driven sleeve, a linkage block corresponding to the driven sleeve is arranged on the rotating shaft, and the linkage block is inserted into the inner wall of the driven sleeve to drive the rotating shaft to rotate; a cleaning hole is formed in the rotating shaft, one end of the cleaning pipeline is sleeved on the cleaning hole in a sealing lap joint mode with the supporting plate and the rotating shaft, and the other end of the cleaning pipeline is used for being connected to cleaning equipment outside the shell; the movable valve body is rotatably clamped between the sealing ring and the limiting step, the movable valve body is arranged in a cylindrical shape, coated silica gel or a bearing is adopted on a contact surface between the movable valve body and the shell for shaft sealing, an air inlet groove and an air outlet groove are formed in the end surface, far away from the sealing ring, of the movable valve body, the fan-shaped centers of the air inlet groove and the air outlet groove are overlapped on the axis of the movable valve body, the air inlet groove penetrates through the upper end surface and the side surface of the movable valve body, the air outlet groove penetrates through the upper end surface and the lower end surface of the movable valve body, and the air inlet groove and the air outlet groove are respectively arranged on two sides of the rotating shaft; a mixing hole is formed in the wall of the air inlet groove and is communicated with the cleaning hole, a wind shield is fixedly mounted on the movable valve body and is arranged in the air outlet groove in a fan shape, a fixing groove is formed in the movable valve body, the fixed valve body is inserted into the fixing groove in a matching mode, and a plurality of air outlet holes are uniformly distributed in the fixed valve body; the distributing plate comprises an upper distributing plate fixed in the shell, a plurality of vent pipes connected to the upper distributing plate and arranged towards the rotary valve, and a lower distributing plate fixed on the vent pipes, vent holes are formed in the upper distributing plate and the lower distributing plate, the vent pipes are communicated with the vent holes, the vent holes are respectively communicated with the air inlet groove and the air outlet groove, the vent pipes correspond to the waste gas inlet, air inlet holes corresponding to inner holes of the fixed valve body are formed in the lower distributing plate, and the air inlet holes correspond to the wind shield; a cavity defined in the shell and above the upper distribution plate is a heating cavity, the heating cavity is respectively communicated with the air inlet groove and the air outlet groove through the ventilation pipeline, and the heating cavity is communicated with the VOCs gas storage warehouse through the waste gas inlet pipe; the heating base comprises a heating column fixed on the upper distribution plate and a plurality of fan-shaped heaters fixed above the heating column, the heating column is arranged at the central position of the upper distribution plate, the fan-shaped heaters are in fan-shaped column shapes, and the fan-shaped heaters are uniformly arranged on the end surface of the heating column around the central axis of the heating column; the heat storage ceramic is inserted into the gap of the fan-shaped heater, and the heat storage ceramic is fixed on the end face of the heating column.
CN201910626384.0A 2019-07-11 2019-07-11 Rotary RTO capable of safely purging Active CN110332553B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910626384.0A CN110332553B (en) 2019-07-11 2019-07-11 Rotary RTO capable of safely purging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910626384.0A CN110332553B (en) 2019-07-11 2019-07-11 Rotary RTO capable of safely purging

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CN110332553A CN110332553A (en) 2019-10-15
CN110332553B true CN110332553B (en) 2020-12-29

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11104445A (en) * 1997-05-02 1999-04-20 Smith Eng Co Plenum purge system for regenerative thermal oxidizer
CN106949488B (en) * 2017-05-09 2022-10-21 江苏中科机械有限公司 Heat accumulation combustion device with efficient sealing rotary reversing valve
CN107143669B (en) * 2017-07-06 2018-12-04 西安昱昌环境科技有限公司 A kind of heat accumulating burner rotary valve
CN107940476B (en) * 2017-12-23 2023-08-18 江苏中研宜普科技有限公司 Regenerative combustion device with annular rotary valve

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Effective date of registration: 20210401

Address after: 213000 no.566 Zhongwu Avenue, Tianning District, Changzhou City, Jiangsu Province

Patentee after: Changzhou Daheng Purification Technology Co.,Ltd.

Address before: 213000 No.18 Xinya Road, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province

Patentee before: CHANGZHOU DAHENG ENVIRONMENTAL TECHNOLOGY Co.,Ltd.

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Address after: 213000 No. 588, Laodong Road, Tianning District, Changzhou City, Jiangsu Province

Patentee after: Jiangsu Daheng environmental protection equipment manufacturing Co.,Ltd.

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Address after: 213000 No. 588, Laodong Road, Tianning District, Changzhou City, Jiangsu Province

Patentee after: Jiangsu Daheng Environmental Equipment Manufacturing Co.,Ltd.

Address before: 213000 No. 588, Laodong Road, Tianning District, Changzhou City, Jiangsu Province

Patentee before: Jiangsu Daheng environmental protection equipment manufacturing Co.,Ltd.

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