CN202581339U - Environment-friendly cremation machine flue gas cleaning dust removal system - Google Patents
Environment-friendly cremation machine flue gas cleaning dust removal system Download PDFInfo
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- CN202581339U CN202581339U CN 201220230655 CN201220230655U CN202581339U CN 202581339 U CN202581339 U CN 202581339U CN 201220230655 CN201220230655 CN 201220230655 CN 201220230655 U CN201220230655 U CN 201220230655U CN 202581339 U CN202581339 U CN 202581339U
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Abstract
The utility model discloses an environment-friendly cremation machine flue gas cleaning dust removal system which comprises a secondary flue gas combustor, a heat exchanger, a sulfur and dust removal tower and an activated carbon dust absorption tower. Exhaust flue gases from the secondary flue gas combustor enter the sulfur and dust removal tower which is in a working mode of adjustable dynamic multiple venturi through the heat exchanger. An anion high voltage static dust extractor is arranged between the sulfur and dust removal tower and the activated carbon dust absorption tower to enable exhaust flue gas factors to be bombarded by high-energy electrons and then to be opened to form fragments first, and accordingly the dust removal effect is achieved. The sulfur and dust removal tower is improved, the problems of scaling and blocking of a device are solved, and accordingly sulfur removal efficiency can reach above 95%, dust removal efficiency can reach above 99%, an adapted dynamic changing range is above 45%. And the environment-friendly cremation machine flue gas cleaning dust removal system has the advantages of being small in occupied area, low in operating cost, wide in adaptive range, simple in structure, few in the number of quick-wear parts.
Description
Technical field
The utility model relates to a kind of Cremation Machine, specifically is a kind of Cremation Machine gas cleaning dust pelletizing system.
Background technology
At present; China's funeral profession all adopts in line mode to discharge cremate waste gas in the Cremation Machine overwhelming majority of usefulness; Cremating, it is very serious to pollute; Because of the atmosphere pollution that is produced of cremating had both comprised inorganic pollutions such as flue dust, carbon monoxide, nitric oxide, nitrogen dioxide, sulfur dioxide, hydrogen sulfide, ammonia, mercury, comprise the dioxin organic pollution materials again.As do not control effectively, certainly will cause the abominable destruction of the severe contamination and the peripheral ecological environment of funeral place air." the national civil administration science and technology medium-term and long-term development planning outline (2009-2020) " that issue in 2009 is implemented; Classify funeral and interment science and technology as giving priority to field, and classify " research of field of funeral and interment severe toxicity dioxin pollution thing emission-reduction technology ", " technical research of clean energy resource cremate remains " as great scientific and technological engineering.Existing funeral profession cremate flue gas cleaner mainly is to be the dry cleaning system of chief component with the sack cleaner, and is the system for wet purification of chief component with the water curtain sprinkling device.The shortcoming of prior art is: be that the soot dust granule thing can only be removed by the wet cleaning system of chief component with the water curtain sprinkling device one,, a small amount of sour gas can not effectively be removed the dioxin organic pollution.Two, with the sack cleaner be the dry cleaning system of chief component, do not have removal effect basically for the sour gas pollutant.And because two types purifier inlet temperature (about below 500 ℃) on the low side; This temperature is exactly the synthetic more needed temperature of dioxin-like chemical just; Therefore, follow-up total amount that will handle or the dioxin-like chemical of discharging is bigger than normal, can not purify the cremate flue gas effectively.
In the existing gas cleaning treatment facility, the maximum shortcoming of technical scheme is to have adopted sack cleaner, so in the process of work; The sticking easily oil of this sack cleaner; Thereby result in blockage, not only greatly reduce dust removing effects, but also influenced normal work.In addition, do not establish maintenance on traditional desulfurization and dedusting tower and detect mouthful, thus each parts in the tower are overhauled and when safeguarding, extremely inconvenient.
Summary of the invention
For overcoming above-mentioned deficiency, the purpose of the utility model is to provide a kind of occupation area of equipment little and can prevent the environment-friendly type Cremation Machine gas cleaning dust pelletizing system of equipment scaling and obstruction.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
Environment-friendly type Cremation Machine gas cleaning dust pelletizing system includes secondary flue gas combustion chamber, heat exchanger, desulfurization and dedusting tower, active carbon dust suction tower, and the flue gas more than 1000 ℃ that discharge the secondary flue gas combustion chamber is through the heat exchanger chilling; Flue-gas temperature is reduced to below 250 ℃; Reduce to normal temperature again through the dedusting of desulfurization and dedusting tower, and with this flue gas, said heat exchanger is made up of casing and many fume pipes; Flue gas passes through from fume pipe, and casing is full of cooling medium fume pipe is cooled off; Said desulfurization and dedusting tower mainly is made up of with baffle upper plate layer, ball milling layer, pond, water-circulating pump and nozzle tower body, fume pipe, two, and two from top to bottom are distributed in the tower body with the baffle upper plate layer, and the ball milling layer is located on each water conservancy diversion flaggy; Said ball milling layer is to be piled up by a plurality of medicine balls to form; Fume pipe vertically is located at the central part in the tower body, and each ball milling layer and water conservancy diversion flaggy are passed in the bottom of fume pipe, and the lower end is apart from tower body bottom surface 150MM-200MM; Be connected with one section Venturi tube on the fume pipe; In order to increase the downward flow velocity of flue gas, flue gas directly is blown in the water that amass the tower body bottom, the upper end of fume pipe passes from the sidewall on tower body top and then is connected with the outlet flue of heat exchanger; The bottom side of said tower body is connected with the pond through outlet pipe; Inwall along tower body above each ball milling layer circumferentially is intervally distributed with four described nozzles, and water-circulating pump is sent to nozzle with the water in the pond through water pipe, is sprayed in the tower by nozzle again; Said tower body top is provided with two spaced apart and is used for removing the steam of flue gas or the rapid ball layer of water smoke, and each rapid ball layer is to be made up of a plurality of rapid balls, and each rapid ball is the multiaspect hollow ball structure; Be provided with anion high-pressure electrostatic dust extractor between said desulfurization and dedusting tower and the active carbon dust suction tower; Said anion high-pressure electrostatic dust extractor is to be made up of cylinder shell, the cellular electrode layer of one-level, the cellular electrode layer of secondary, disposal box, high frequency pulse generator, L shaped smoke exhaust pipe, cleaning shower nozzle and water pump; The cellular electrode layer of said one-level is located at the top in the cylinder shell; The cellular electrode layer of secondary is located at the middle part in the cylinder shell, and disposal box is located at the bottom in the cylinder shell, and high frequency pulse generator is electrically connected with cellular electrode layer of one-level and the cellular electrode layer of secondary respectively; Clean shower nozzle and be located at the top in the cylinder shell; And be communicated with described pond through pipeline and water pump, on pipeline, being provided with switch valve, the bending tubes end of L shaped smoke exhaust pipe passes from the cellular electrode layer of secondary downwards; Smoke evacuation end passes with the mouth that advances of active carbon dust suction tower from the sidewall of cylinder shell and is connected, and the mouth that advances that the cylinder shell top is set is connected with the exhaust opening at tower body top.
The exhaust opening of said active carbon dust suction tower is connected with chimney through blower fan.
Said active carbon dust suction tower adopts cyclone type active carbon dust suction tower.
The tower body sidewall of said desulfurization and dedusting tower is provided with maintenance detection mouth more than two, greatly facilitates maintenance and maintenance to each parts in the tower.
The beneficial effect of the utility model is: because the desulfurization and dedusting tower is improved; There are not problems such as fouling, obstruction in the equipment that solved; Desulfuration efficiency can reach more than 95%, and efficiency of dust collection adapts to the dynamic change scope more than 45% more than 99%; Have that floor space is little, operating cost is low, wide accommodation, simple in structure, the characteristics of few easy workout part; In addition, the gas, heat transfer efficiency that has solved traditional static sulfuration bed fillers is high, the liquid contact-making surface is little, and the unsettled difficult problem of turbulent bed stuffing operation is fully used absorption liquid and consumption reduces, and the pressure and the degree of atomization of absorption liquid do not had strict demand.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further to specify.
Fig. 1 is the structural representation of the utility model.
Among the figure: 1, secondary flue gas combustion chamber; 2, heat exchanger; 3, desulfurization and dedusting tower; 4, anion high-pressure electrostatic dust extractor; 5, active carbon dust suction tower; 6, blower fan; 7, chimney; 8, tower body; 9, fume pipe; 10, Venturi tube; 11, water conservancy diversion flaggy; 12, ball milling layer; 13, pond; 14, water-circulating pump; 15, nozzle; 16, outlet pipe; 17, cylinder shell; 18, the cellular electrode layer of one-level; 19, the cellular electrode layer of secondary; 20, disposal box; 21, high frequency pulse generator; 22, L shaped smoke exhaust pipe; 23, clean shower nozzle; 24, water pump; 25, switch valve; 26, maintenance detects mouth; 27, cremator; 28, electric cabinet; 29, rapid ball layer.
The specific embodiment
As shown in Figure 1, environment-friendly type Cremation Machine gas cleaning dust pelletizing system includes secondary flue gas combustion chamber 1, heat exchanger 2, desulfurization and dedusting tower 3, active carbon dust suction tower 5; The cigarette that discharge secondary flue gas combustion chamber 1 gets into desulfurization and dedusting tower 3 through heat exchanger 2; Desulfurization and dedusting tower 3 mainly by tower body 8, fume pipe 9, two constitute with baffle upper plate layer 11, ball milling layer 12, pond 13, water-circulating pump 14 and nozzle 15, two from top to bottom are distributed in the tower body 8 with baffle upper plate layer 11, ball milling layer 12 is located on each water conservancy diversion flaggy 11; Ball milling layer 12 is to be piled up by a plurality of medicine balls to form; Fume pipe 9 vertically is located at the central part in the tower body 8, and each ball milling layer and water conservancy diversion flaggy are passed in the bottom of fume pipe 9, and the lower end is apart from tower body bottom surface 150MM-200MM; Be connected with one section Venturi tube 10 on the fume pipe 9; In order to increase the downward flow velocity of flue gas, flue gas directly is blown in the water that amass tower body 8 bottoms, the upper end of fume pipe 9 passes from the sidewall on tower body 8 tops and then is connected with the outlet flue of heat exchanger 2; The bottom side of tower body 8 is connected with pond 13 through outlet pipe 16; Inwall along tower body above each ball milling layer 12 circumferentially is intervally distributed with four nozzles 15, and water-circulating pump 14 is sent to nozzle 15 with the water in the pond 13 through water pipe, is sprayed in the tower by nozzle 15 again; Tower body 8 tops are provided with two rapid ball layers 29 that are used for removing the steam of flue gas spaced apart, and each rapid ball layer 29 is to be made up of a plurality of rapid balls, and each rapid ball is the multiaspect hollow ball structure.
Said heat exchanger 2 is made up of casing and many fume pipes, and flue gas passes through from fume pipe, and casing is full of cooling medium fume pipe is cooled off.
Be provided with anion high-pressure electrostatic dust extractor 4 between desulfurization and dedusting tower 3 and the active carbon dust suction tower 5; Anion high-pressure electrostatic dust extractor 4 is by the cellular electrode layer of the cellular electrode layer of cylinder shell 17, one-level 18, secondary 19, disposal box 20, high frequency pulse generator 21, L shaped smoke exhaust pipe 22, cleans shower nozzle 23 and water pump 24 constitutes; The cellular electrode layer 18 of said one-level is located at the top in the cylinder shell 17; The cellular electrode layer 19 of secondary is located at the middle part in the cylinder shell 17; Disposal box 20 is located at the bottom in the cylinder shell 17; High frequency pulse generator 21 is electrically connected with the cellular electrode layer 19 of secondary with the cellular electrode layer 18 of one-level respectively, cleans shower nozzle 23 and is located at the top in the cylinder shell 17, and be communicated with described pond 13 through pipeline and water pump 24; On pipeline, be provided with switch valve 25; The bending tubes end of L shaped smoke exhaust pipe 22 passes from the cellular electrode layer 19 of secondary downwards, and the smoke evacuation end of L shaped smoke exhaust pipe 22 passes with the mouth that advances of active carbon dust suction tower 5 from the sidewall of cylinder shell 17 and is connected, and the mouth that advances that the top of cylinder shell 17 is set is connected with the exhaust opening at tower body 8 tops.
The exhaust opening of said active carbon dust suction tower 5 is connected with chimney 7 through blower fan 6.Active carbon dust suction tower 5 adopts cyclone type active carbon dust suction tower.The tower body sidewall of desulfurization and dedusting tower 3 is provided with two maintenances and detects mouth 26.
Operation principle: 28 pairs of each water pumps of electric cabinet and valve are controlled, and the flue gas that comes out from cremator 27 has been removed the most of dioxin in the flue gas after the secondary combustion chamber burning; Temperature can reach flue gas more than 1000 ℃ through the heat exchanger chilling then, makes its temperature below 250 ℃, in the desulfurization and dedusting tower; Flue gas has increased downward flow velocity after Venturi tube 10, flue gas directly is blown in the water that is amassed the tower body bottom, and flue gas is after washing; From water, upwards overflow, upwards get into the ball milling layer through the water conservancy diversion flaggy, the course of work of this ball milling layer is the adjustable dynamically mode of operation of many times of venturi; With the variable mode of dynamic rotation ball milling, rotation when the cremator operation changes, self-excitation, ball milling change synchronously, explain that with conventional principles will have several ten thousand little venturi of static state exactly now becomes a hundreds of thousands dynamic venturi principle; Increase liquid gas contact area and mass-transfer efficiency to greatest extent, when dynamic motion, impact and reverse liquid spraying is the inner-tower filling material ball to do the ball milling circular motion under half suspended state through ascending air; Make the corresponding reduction of wind speed resistance; Reach the desulfurization and dedusting effect, solved problems such as equipment scaling, obstruction, desulfuration efficiency can reach more than 95%; Efficiency of dust collection adapts to the dynamic change scope more than 45% more than 99%; System's each item technical indicator is reached advanced world standards; Floor space is little, operating cost is low, accommodation can comprise that any desulfurizing agent uses in the present WFGD scope, also adapts to various single udst separations, organic exhaust gas biodegradation purification and purifying and recovering system simultaneously.Solved a series of difficult problems that have a strong impact on mass transfer rate in the prior art simultaneously, make it to have: the gas, the liquid contact-making surface that have solved traditional static sulfuration bed fillers are little, the unsettled difficult problem of turbulent bed stuffing operation; Absorption liquid is fully used and consumption reduces, and the pressure and the degree of atomization of absorption liquid do not had strict demand, has reduced operating cost; Need not to increase in addition blast and can reach low-resistance, mass transfer effect efficiently; The absorption liquid circulatory system that the double loop is above be can realize, multi-stage diffluence and liquid phase multistep treatment reached; Simple in structure, few easy workout part can be avoided the generation of scale formation in the tower because of the ball milling circular motion.Simultaneously the liquid film on filling ball surface is the main occasion of gas-liquid mass transfer, and is in the state of continual renovation, thereby tower inner transmission matter, heat transfer efficiency are high, are applicable to the various mass transfer reactions in the chemical reaction process.
The anion high voltage electrostatic device adopts the honeycomb fashion electrion, and adopts perpendicular dress following current air intake, forms the comprehensive interception in 360 degree cross sections, does not have the dead angle.All dust, organic object are effectively caught absorption, when dust, organic substance adsorb when a certain amount of, are forward importing in the disposal box of bottom under air-flow effect and the gravity effect.Anion high voltage electrostatic device discharge voltage is adjustable in ten thousand volts of scopes of 1.5-3.Every many group electric fields can produce every O of a large amount of ozone in electrion absorption
3>5000mg/h.Consequent a large amount of low temperature plasma O
3
Handling the organic exhaust gas principle is: in the low temperature plasma of dielectric barrier discharge (DBD) takes place; These waste gas factors at first are opened into fragment after being bombarded by high energy electron; Comparatively complicated chemical reaction takes place in debris particles coming that the waste gas factor is dissociated and oxygen, is degraded to CO
2And H
2O etc.Adopt the barrier discharge low-temperature plasma technology of two media; Belong to dry process; Without any need for adsorbent, catalyst and other any combustion-supporting fuel, only need to adopt the 220V alternating current, through the oscillation boosting acquisition high-frequency impulse electric field of high frequency pulse generator; Produce high-energy electron, stench, organic gas molecule in the bombardment waste gas decomposition.On the product type selecting, adopt zinc-iron electric field or very strong stainless steel 304,316 electric fields of strong acid and strong base corrosivity, the perhaps circulating sealing electric field of the water-cooled under the worst hot case of common nothing corrosion flue dust.
In addition, active carbon dust suction tower was with the single-activity carbon purifying was different in the past, and activated carbon active carbon on cooperation anion high-pressure electrostatic precipitation desorption engineering application only need adsorb the organic exhaust gas of a small amount of escape.Because of excessive ozone itself also is a kind of pollution; And give out a kind of smelling as of rotten fish, the charcoal absorption of one-level increase in the end can be the stench absorption fully of redundant ozone, because of ozone has very strong oxidation activity; So active carbon is in absorption; Ozone can be under natural normal temperature with airborne combination with oxygen from new reduction, reach the resurrection once more of active carbon, make the repeatedly circular flow that active carbon can be permanently effective; Prolong the use replacement cycle of active carbon, 1 year two to three times replacings meet the demands fully.
The above is the preferred implementation of the utility model, can not limit the interest field of the utility model certainly with this.Should be pointed out that for those skilled in the art, the technical scheme of the utility model is made amendment or is equal to replacement, do not break away from the protection domain of the utility model.
Claims (4)
1. an environment-friendly type Cremation Machine gas cleaning dust pelletizing system includes secondary flue gas combustion chamber, heat exchanger, desulfurization and dedusting tower, active carbon dust suction tower, and the flue gas more than 1000 ℃ that discharge the secondary flue gas combustion chamber is through the heat exchanger chilling; Flue-gas temperature is reduced to below 250 ℃; Reduce to normal temperature again through the dedusting of desulfurization and dedusting tower, and with this flue gas, it is characterized in that: said heat exchanger is made up of casing and many fume pipes; Flue gas passes through from fume pipe, and casing is full of cooling medium fume pipe is cooled off; Said desulfurization and dedusting tower mainly is made up of with baffle upper plate layer, ball milling layer, pond, water-circulating pump and nozzle tower body, fume pipe, two, and two from top to bottom are distributed in the tower body with the baffle upper plate layer, and the ball milling layer is located on each water conservancy diversion flaggy; Said ball milling layer is to be piled up by a plurality of medicine balls to form; Fume pipe vertically is located at the central part in the tower body, and each ball milling layer and water conservancy diversion flaggy are passed in the bottom of fume pipe, and the lower end is apart from tower body bottom surface 150MM-200MM; Be connected with one section Venturi tube on the fume pipe; In order to increase the downward flow velocity of flue gas, flue gas directly is blown in the water that amass the tower body bottom, the upper end of fume pipe passes from the sidewall on tower body top and then is connected with the outlet flue of heat exchanger; The bottom side of said tower body is connected with the pond through outlet pipe; Inwall along tower body above each ball milling layer circumferentially is intervally distributed with four described nozzles, and water-circulating pump is sent to nozzle with the water in the pond through water pipe, is sprayed in the tower by nozzle again; Said tower body top is provided with two spaced apart and is used for removing the steam of flue gas or the rapid ball layer of water smoke, and each rapid ball layer is to be made up of a plurality of rapid balls, and each rapid ball is the multiaspect hollow ball structure; Be provided with anion high-pressure electrostatic dust extractor between said desulfurization and dedusting tower and the active carbon dust suction tower; Said anion high-pressure electrostatic dust extractor is to be made up of cylinder shell, the cellular electrode layer of one-level, the cellular electrode layer of secondary, disposal box, high frequency pulse generator, L shaped smoke exhaust pipe, cleaning shower nozzle and water pump; The cellular electrode layer of said one-level is located at the top in the cylinder shell; The cellular electrode layer of secondary is located at the middle part in the cylinder shell, and disposal box is located at the bottom in the cylinder shell, and high frequency pulse generator is electrically connected with cellular electrode layer of one-level and the cellular electrode layer of secondary respectively; Clean shower nozzle and be located at the top in the cylinder shell; And be communicated with described pond through pipeline and water pump, on pipeline, being provided with switch valve, the bending tubes end of L shaped smoke exhaust pipe passes from the cellular electrode layer of secondary downwards; Smoke evacuation end passes with the mouth that advances of active carbon dust suction tower from the sidewall of cylinder shell and is connected, and the mouth that advances that the cylinder shell top is set is connected with the exhaust opening at tower body top.
2. environment-friendly type Cremation Machine gas cleaning dust pelletizing system according to claim 1 is characterized in that: the exhaust opening of said active carbon dust suction tower is connected with chimney through blower fan.
3. environment-friendly type Cremation Machine gas cleaning dust pelletizing system according to claim 1 is characterized in that: said active carbon dust suction tower adopts cyclone type active carbon dust suction tower.
4. environment-friendly type Cremation Machine gas cleaning dust pelletizing system according to claim 1 is characterized in that: the tower body sidewall of said desulfurization and dedusting tower is provided with maintenance detection mouth more than two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220230655 CN202581339U (en) | 2012-05-22 | 2012-05-22 | Environment-friendly cremation machine flue gas cleaning dust removal system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220230655 CN202581339U (en) | 2012-05-22 | 2012-05-22 | Environment-friendly cremation machine flue gas cleaning dust removal system |
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| CN202581339U true CN202581339U (en) | 2012-12-05 |
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| CN 201220230655 Withdrawn - After Issue CN202581339U (en) | 2012-05-22 | 2012-05-22 | Environment-friendly cremation machine flue gas cleaning dust removal system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755805A (en) * | 2012-05-22 | 2012-10-31 | 江门市普日智能设备工程有限公司 | Flue gas purification dust removal system for environmentally-friendly cremation machine |
| CN104331049A (en) * | 2014-10-31 | 2015-02-04 | 鞍山红拖机械制造股份有限公司 | Mobile high-temperature smoke and exhaust gas flow field control device and technology method |
| CN104324602A (en) * | 2014-10-29 | 2015-02-04 | 鞍山红拖机械制造股份有限公司 | Device and process for controlling dust exhaust gas pollution source |
| CN104406184A (en) * | 2014-12-16 | 2015-03-11 | 威海鲁源科技环保设备有限公司 | Tail gas purification treatment device of cremation machine |
| CN109084304A (en) * | 2018-07-27 | 2018-12-25 | 湖北景维环保科技有限公司 | A kind of flue gas purification system and its application method of cremator |
-
2012
- 2012-05-22 CN CN 201220230655 patent/CN202581339U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755805A (en) * | 2012-05-22 | 2012-10-31 | 江门市普日智能设备工程有限公司 | Flue gas purification dust removal system for environmentally-friendly cremation machine |
| CN102755805B (en) * | 2012-05-22 | 2015-04-29 | 江门市普日智能设备工程有限公司 | Flue gas purification dust removal system for environmentally-friendly cremation machine |
| CN104324602A (en) * | 2014-10-29 | 2015-02-04 | 鞍山红拖机械制造股份有限公司 | Device and process for controlling dust exhaust gas pollution source |
| CN104324602B (en) * | 2014-10-29 | 2016-05-25 | 鞍山红拖机械制造股份有限公司 | A kind of smoke exhaust pollution sources control device and process |
| CN104331049A (en) * | 2014-10-31 | 2015-02-04 | 鞍山红拖机械制造股份有限公司 | Mobile high-temperature smoke and exhaust gas flow field control device and technology method |
| CN104406184A (en) * | 2014-12-16 | 2015-03-11 | 威海鲁源科技环保设备有限公司 | Tail gas purification treatment device of cremation machine |
| CN109084304A (en) * | 2018-07-27 | 2018-12-25 | 湖北景维环保科技有限公司 | A kind of flue gas purification system and its application method of cremator |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121205 Effective date of abandoning: 20150429 |