CN111517391A - High-temperature treatment device and process for high-COD wastewater - Google Patents
High-temperature treatment device and process for high-COD wastewater Download PDFInfo
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- CN111517391A CN111517391A CN202010362247.3A CN202010362247A CN111517391A CN 111517391 A CN111517391 A CN 111517391A CN 202010362247 A CN202010362247 A CN 202010362247A CN 111517391 A CN111517391 A CN 111517391A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Abstract
The invention discloses a high-temperature treatment device and a high-temperature treatment process for high-COD wastewater, wherein the high-temperature treatment process sequentially comprises a wastewater pretreatment stage, a high-temperature cracking stage and a condensation recovery stage; the high COD wastewater is pretreated into the aerosol state in the wastewater pretreatment stage, a high-temperature cracking device is used in the high-temperature cracking stage, the high-COD wastewater is introduced into the high-temperature cracking device after being pretreated into the aerosol state, and is pyrolyzed into treated hot steam and carbon dust after being left in an oxygen-free or oxygen-inhibited environment at the temperature of 450-800 ℃, and the solid carbon dust is changed from COD organic pollution components; the condensation recovery stage condenses the hot steam generated by high-temperature pyrolysis, separates into water and a small amount of gas which can not be condensed, discharges the small amount of gas which can not be condensed after tail gas treatment, and the heat released by condensation is used for industrial production.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a high-temperature treatment device and a high-temperature treatment process for high-COD wastewater, and specifically relates to a process and a device for cracking COD (chemical oxygen demand) pollution components in sewage in a high-temperature mode.
Background
In industrial production, a large amount of sewage with high COD is generated, such as chemical plants, pharmaceutical factories, printing and dyeing factories, leather factories and the like, and the sewage with the COD higher than 10 ten thousand mg/L is generated every day. COD refers to the amount of oxidant consumed by oxidizing reducing substances in 1 liter of water sample as an index under a certain condition, and is converted into milligrams of oxygen required after each liter of water sample is completely oxidized, and the milligrams are expressed in mg/L; COD reflects the degree of pollution of the water by reducing substances, and the index is also one of the comprehensive indexes of the relative content of organic matters. Meanwhile, such sewage generally contains high concentrations of salts, chlorides and heavy metals, is extremely difficult to treat, and causes serious damage to natural ecology when discharged into rivers.
The current way of treating such sewage is to concentrate the wastewater by multi-effect evaporation; introducing the concentrated wastewater into a boiler for combustion, and combusting COD organic pollutants in the wastewater into gaseous substances; the incineration process has the disadvantages that dioxin carcinogenic gas can be generated in the reaction process, and the discharged dioxin carcinogenic gas can harm human living environment.
Based on the prior treatment process, the invention provides a treatment process for cracking COD organic pollutants in water by using a high-temperature oxygen-free or oxygen-inhibiting mode, which is different from incineration, and the process needs a key high-temperature cracking device, wherein the prior high-temperature cracking device (shown in figure 1) is mainly of a metal tubular structure, openings are formed in the front and the back of the metal tubular structure, a gas baffle plate is arranged in the metal tubular structure, and a plurality of electric heating devices are arranged in the metal tubular structure; the disadvantage of this construction is that the internal path of the fluid is too short, and if the reaction residence time needs to be increased, the length of the tube needs to be increased, which increases the volume of the apparatus and the manufacturing cost of the apparatus, thereby designing a pyrolysis apparatus suitable for the treatment process of the present invention.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a high-temperature treatment device and a high-temperature treatment process for high-COD wastewater, which are used for cracking COD organic pollutants in water based on a high-temperature, oxygen-free or oxygen-inhibiting mode.
The technical purpose of the invention is realized by the following technical scheme:
a high-temperature treatment process for high-COD wastewater comprises a wastewater pretreatment stage, a high-temperature cracking stage and a condensation recovery stage in sequence; the high COD wastewater is pretreated into the aerosol state in the wastewater pretreatment stage, a high-temperature cracking device is used in the high-temperature cracking stage, the high-COD wastewater is introduced into the high-temperature cracking device after being pretreated into the aerosol state, and is pyrolyzed into treated hot steam and carbon dust after being left in an oxygen-free or oxygen-inhibited environment at the temperature of 450-800 ℃, and the solid carbon dust is changed from COD organic pollution components; the condensation recovery stage condenses the hot steam generated by high-temperature pyrolysis, separates into water and a small amount of gas which can not be condensed, discharges the small amount of gas which can not be condensed after tail gas treatment, and the heat released by condensation is used for industrial production.
Further preferably, the pyrolysis device includes metal urceolus, heat preservation, intake pipe and outlet duct, the heat preservation parcel is in the outside of metal urceolus, two metal head of flange joint are all passed through to two tip of metal urceolus, the centre of a circle department of two metal head connects intake pipe and outlet duct with the axle center respectively, intake pipe one end extends to inside the metal urceolus, and has a determining deviation with the metal head of installation outlet duct, be provided with multiunit pyrolysis subassembly between the outer wall of the intake pipe that is located the metal urceolus and the metal urceolus inner wall, the cavity that is located the intake pipe inner wall in the metal urceolus forms one-way runner with multiunit pyrolysis subassembly, link to each other through the ring of giving vent to anger between metal head and the pyrolysis subassembly of installing the outlet duct, the last circumference of ring.
Preferably, the high-temperature pyrolysis assembly comprises an inner sleeve, a baffle plate and a heating pipe which are sleeved outside the air inlet pipe, the inner sleeve is arranged in a cylindrical shape and is provided with a single outlet, the number of the inner sleeves is odd, the one-way flow channel sequentially comprises a flow channel A positioned in the air inlet pipe, a flow channel B positioned between the outer wall of the air inlet pipe and the adjacent inner sleeve, a flow channel C positioned between the adjacent inner sleeves and a flow channel D positioned between the inner sleeve of the outermost ring and the inner wall of the metal outer cylinder, and the air outlet ring closes the flow channel C and has the inner diameter and the outer diameter which are completely consistent with; baffle plates are arranged in the flow channel B, the flow channel C and the flow channel D in an alternating mode, the heating pipes penetrate through the metal sealing head and correspondingly extend into the flow channel B, the flow channel C and the flow channel D, and the heating pipes penetrate through the baffle plates in the flow channel B, the flow channel C and the flow channel D.
Preferably, the high COD wastewater is atomized in the wastewater pretreatment stage, the high COD wastewater is converted into a mist fluid and introduced into the pyrolysis device, and the atomization is performed by a high pressure nozzle or an ultrasonic atomization device.
Further preferably, the aerosol generated by the pretreatment is introduced into a high-temperature cracking device and stays for 2s or more than 2s at 450-800 ℃ in an oxygen-free or oxygen-inhibited environment, and the required stay time is selected according to the rule that the higher the temperature is, the longer the stay time is.
The invention also aims to provide a high-temperature treatment device based on the high-temperature treatment method of the high-COD wastewater, which comprises the following steps:
the utility model provides a high temperature treatment device who contains high COD waste water, including the metal urceolus, the heat preservation, intake pipe and outlet duct, the heat preservation parcel is in the outside of metal urceolus, two metal head of flange joint are all passed through to two tip of metal urceolus, the centre of a circle department of two metal head is respectively with axle center connection intake pipe and outlet duct, intake pipe one end extends to inside the metal urceolus, and have a determining deviation with the metal head of installation outlet duct, be provided with multiunit pyrolysis subassembly between the outer wall of the intake pipe that is located the metal urceolus and the metal urceolus inner wall, the cavity and the multiunit pyrolysis subassembly of the intake pipe inner wall that are located the metal urceolus form one-way runner, link to each other through the ring of giving vent to anger between metal head and the pyrolysis subassembly of.
Preferably, the high-temperature pyrolysis assembly comprises an inner sleeve, a baffle plate and a heating pipe which are sleeved outside the air inlet pipe, the inner sleeve is arranged in a cylindrical shape and is provided with a single outlet, the number of the inner sleeves is odd, the one-way flow channel sequentially comprises a flow channel A positioned in the air inlet pipe, a flow channel B positioned between the outer wall of the air inlet pipe and the adjacent inner sleeve, a flow channel C positioned between the adjacent inner sleeves and a flow channel D positioned between the inner sleeve of the outermost ring and the inner wall of the metal outer cylinder, and the air outlet ring closes the flow channel C and has the inner diameter and the outer diameter which are completely consistent with; baffle plates are arranged in the flow channel B, the flow channel C and the flow channel D in an alternating mode, the heating pipes penetrate through the metal sealing head and correspondingly extend into the flow channel B, the flow channel C and the flow channel D, and the heating pipes penetrate through the baffle plates in the flow channel B, the flow channel C and the flow channel D.
Preferably, a certain distance is reserved between the open end of each inner sleeve and the adjacent metal end socket, and the adjacent inner sleeves are sleeved with each other to enable the open ends of the adjacent inner sleeves to be located at the opposite ends.
In summary, compared with the prior art, the beneficial effects of the invention are as follows:
1. the COD is cracked under the high-temperature condition of an oxygen-free or oxygen-inhibiting environment, so that the method is more environment-friendly: in the prior art, the evaporation concentrated solution of the COD-containing wastewater is combusted in an oxygen-enriched environment, so that dioxin is formed and the environment is harmed; the COD-containing wastewater is pyrolyzed in an oxygen-free or oxygen-inhibited environment at high temperature, only carbon dust, water and carbon dioxide are generated, and secondary pollution is avoided;
2. the treatment range of the COD value of the waste liquid is wide: the combustion process has the limiting condition that the evaporated and concentrated liquid is combusted, if the concentrated liquid is not introduced into the combustion environment, the environmental temperature is reduced, the combustion efficiency is influenced, and the high-temperature cracking mode has good compatibility with low-concentration and high-concentration waste liquid;
3. compared with the existing device, the high-temperature cracking device has the advantages that the fluid repeatedly flows back in the device under the same length, and the fluid reaction residence time is long, so that the reaction is sufficient.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
FIG. 1 is a schematic structural diagram of the prior art;
FIG. 2 is a flow chart of the process in the example;
FIG. 3 is an external view of a high-temperature pyrolysis apparatus in an example;
FIG. 4 is a sectional view of the high-temperature pyrolysis apparatus in the example.
Reference numerals: 1. an air inlet pipe; 2. heating a tube; 3. a baffle plate; 4. a flow passage A; 5. a flow passage B; 6. a flow channel D; 7. an inner sleeve; 8. a metal outer cylinder; 9. a heat-insulating layer; 10. a metal end enclosure; 11. an air outlet ring; 12. and an air outlet pipe.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It is understood that these embodiments are given solely for the purpose of enabling those skilled in the art to better understand and to practice the invention, and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Reference in the specification to "an embodiment" or "an implementation" may mean either one embodiment or one implementation or some instances of embodiments or implementations.
As will be appreciated by one skilled in the art, embodiments of the present invention may be embodied as a system, apparatus, device, method, or computer program product. Accordingly, the present disclosure may be embodied in the form of: entirely hardware, entirely software (including firmware, resident software, micro-code, etc.), or a combination of hardware and software.
According to the embodiment of the invention, a high-temperature treatment device and a high-temperature treatment process for high-COD wastewater are provided.
It is to be noted that any number of elements in the figures are provided by way of example and not limitation, and any nomenclature is used for distinction only and not in any limiting sense.
A high-temperature treatment process for high-COD wastewater sequentially comprises a wastewater pretreatment stage, a high-temperature cracking stage and a condensation recovery stage; the high COD wastewater is pretreated into an aerosol state in the wastewater pretreatment stage, then is introduced into a high-temperature cracking device, is pyrolyzed into treated hot steam and carbon dust after being retained in an oxygen-free or oxygen-inhibited environment for a required time period at the temperature of 450-800 ℃, and the solid carbon dust is changed from COD organic pollution components; in the condensation recovery stage, hot steam generated by high-temperature pyrolysis is condensed and separated into water and a small amount of uncondensable gas, the small amount of uncondensable gas is discharged after tail gas treatment, and the heat released by condensation is used for industrial production; if the initial water contains heavy metals, the condensed water is selected to enter a subsequent treatment process and is discharged after reaching the standard through membrane treatment.
Based on the high-temperature treatment process, the following process implementation flows are correspondingly designed.
Referring to FIG. 2:
1. atomizing: the high COD wastewater is atomized, the sewage is changed into vaporous fluid, and the atomization realization mode can be realized by a high-pressure nozzle or an ultrasonic atomization device;
2. high-temperature cracking: the atomized fluid stays for 2s or more than 2s in an oxygen-free or oxygen-inhibited environment at high temperature (450-800 ℃), and the higher the temperature is, the shorter the stay time is. At this stage, the organic COD contaminant components in the atomized fluid become solid carbon dust and simultaneously generate hot steam (H2O and CO 2); the carbon dust is filtered and discharged, and the residual hot steam enters a condensation stage;
3. condensation: condensing hot steam generated by pyrolysis, and separating the hot steam into water and a small amount of uncondensable gas (NH4 and H2S); a small amount of non-condensable gas is discharged after tail gas treatment; discharging the condensed water after reaching the standard, and if the initial water contains heavy metals, selecting the condensed water to enter a subsequent treatment process, and discharging the condensed water after reaching the standard through membrane treatment; the heat released by condensation can be used for industrial production.
The process related by the invention is different from the prior process for treating the wastewater containing high COD:
1. in the prior art, the waste water is concentrated in an evaporation mode, and then the concentrated waste water is introduced into a high-temperature oxygen-enriched environment for combustion; the invention adopts atomization, high-temperature anaerobic cracking and condensation modes or evaporation, high-temperature anaerobic cracking and condensation modes;
2. the existing high-temperature cracking device is a single pipeline, a baffle plate 3 is arranged in the existing high-temperature cracking device, and the internal fluid is in a one-way trend; the invention adopts a plurality of tubes which are mutually nested to form three or more flow passages, so that the fluid can repeatedly flow back.
A high-temperature treatment device is designed in the high-temperature cracking stage of the high-temperature treatment process, and the high-temperature treatment device specifically comprises the following steps:
the utility model provides a high temperature treatment device who contains high COD waste water, refer to fig. 3 and fig. 4 and show, including metal urceolus 8, heat preservation 9, intake pipe 1 and outlet duct 12, metal urceolus 8 is the setting of cavity cylinder type, and the inside cavity of metal urceolus 8 also sets up to the cylinder type that sets up with metal urceolus 8 is coaxial, and heat preservation 9 wraps up in the outside of metal urceolus 8, and two tip of metal urceolus 8 all are through two metal head 10 of flange joint, and metal head 10 is discoid.
The centers of the two metal end sockets 10 are respectively connected with the air inlet pipe 1 and the air outlet pipe 12 coaxially, and the connection of the connection parts is realized by welding; one end of the air outlet pipe 12 is flush with the metal end socket 10, and the other end is positioned outside the metal outer cylinder 8; outside intake pipe 1 one end was located metal head 10, another tip extended to metal urceolus 8 inside, and had a certain interval with the metal head 10 of installation outlet duct 12, be located and be provided with multiunit pyrolysis subassembly between the outer wall of intake pipe 1 in the metal urceolus 8 and the 8 inner walls of metal urceolus, this device mainly through setting up multiunit pyrolysis subassembly, extend in footpath, greatly increased flow, make the dwell time of fluid in the device longer.
The cavity of the inner wall of the air inlet pipe 1 in the metal outer cylinder 8 and a plurality of groups of high-temperature pyrolysis components form a one-way flow channel, the metal seal head 10 provided with the air outlet pipe 12 is connected with the high-temperature pyrolysis components through an air outlet ring 11, and air outlet holes are circumferentially formed in the air outlet ring 11 to realize one-way circulation of the one-way flow channel and the air outlet pipe 12.
The high-temperature pyrolysis component comprises an inner sleeve 7, a baffle plate 3 and a heating pipe 2 which are sleeved outside an air inlet pipe 1, wherein the inner sleeve 7 is arranged in a cylindrical shape and is arranged at a single outlet, the number of the inner sleeves 7 is odd, and the one-way flow channel sequentially comprises a flow channel A4 positioned in the air inlet pipe 1, a flow channel B5 positioned between the outer wall of the air inlet pipe 1 and the adjacent inner sleeve 7, a flow channel C positioned between the adjacent inner sleeves 7 and a flow channel D6 positioned between the outer-most ring inner sleeve 7 and the inner wall of the metal outer cylinder; the open ends of the inner sleeves 7 and the adjacent metal end sockets 10 are spaced, and the adjacent inner sleeves 7 are sleeved with each other to realize that the open ends of the adjacent inner sleeves 7 are positioned at the opposite ends.
The gas outlet ring 11 seals the flow channel C, and the inner diameter and the outer diameter of the gas outlet ring are completely consistent with the inner diameter and the outer diameter of the inner sleeve 7 of the outermost ring; two or more than two baffle plates 3 are arranged in the flow passage B5, the flow passage C and the flow passage D6 and are arranged alternately, a plurality of heating pipes 2 penetrate through the metal seal head 10 and correspondingly extend into the flow passage B5, the flow passage C and the flow passage D6, and penetrate through the baffle plates 3 in the flow passage B5, the flow passage C and the flow passage D6.
With respect to the above-described flow path a4, flow path B5, flow path C, and flow path D6, an explanation will now be made of the fluid processing process: the flow passage A4 has the preheating function, the fluid is cracked partially in the flow passage B5, the fluid is further cracked continuously in the flow passage C, the final cracking is finally completed in the flow passage D6, and the cracked hot steam is gushed out from the air outlet hole of the air outlet ring 11 and finally discharged from the air outlet pipe 12.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (8)
1. The high-temperature treatment process of the wastewater containing high COD is characterized by sequentially comprising a wastewater pretreatment stage, a high-temperature cracking stage and a condensation recovery stage; the high COD wastewater is pretreated into the aerosol state in the wastewater pretreatment stage, a high-temperature cracking device is used in the high-temperature cracking stage, the high-COD wastewater is introduced into the high-temperature cracking device after being pretreated into the aerosol state, and is pyrolyzed into treated hot steam and carbon dust after being left in an oxygen-free or oxygen-inhibited environment at the temperature of 450-800 ℃, and the solid carbon dust is changed from COD organic pollution components; the condensation recovery stage condenses the hot steam generated by high-temperature pyrolysis, separates into water and a small amount of gas which can not be condensed, discharges the small amount of gas which can not be condensed after tail gas treatment, and the heat released by condensation is used for industrial production.
2. The high-temperature treatment process of wastewater containing high COD according to claim 1, the high-temperature pyrolysis device comprises a metal outer barrel, a heat preservation layer, an air inlet pipe and an air outlet pipe, wherein the heat preservation layer is wrapped outside the metal outer barrel, two ends of the metal outer barrel are connected with two metal seal heads through flanges, the circle centers of the two metal seal heads are respectively connected with the air inlet pipe and the air outlet pipe through the same axis, one end of the air inlet pipe extends into the metal outer barrel and has a certain distance with the metal seal head for installing the air outlet pipe, a plurality of groups of high-temperature pyrolysis assemblies are arranged between the outer wall of the air inlet pipe in the metal outer barrel and the inner wall of the metal outer barrel, a cavity of the inner wall of the air inlet pipe in the metal outer barrel and the plurality of groups of high-temperature pyrolysis assemblies form one-way flow passages, the metal seal head for.
3. The high-temperature treatment process of the wastewater with high COD according to claim 2, characterized in that the high-temperature pyrolysis component comprises an inner sleeve, a baffle plate and a heating pipe which are sleeved outside the air inlet pipe, the inner sleeve is arranged in a cylindrical shape and is arranged in a single outlet, the number of the inner sleeves is odd, the one-way flow channel sequentially comprises a flow channel A positioned in the air inlet pipe, a flow channel B positioned between the outer wall of the air inlet pipe and the adjacent inner sleeve, a flow channel C positioned between the adjacent inner sleeves and a flow channel D positioned between the inner sleeve of the outermost ring and the inner wall of the metal outer cylinder, the air outlet ring closes the flow channel C, and the inner diameter and the outer diameter of the air outlet ring; baffle plates are arranged in the flow channel B, the flow channel C and the flow channel D in an alternating mode, the heating pipes penetrate through the metal sealing head and correspondingly extend into the flow channel B, the flow channel C and the flow channel D, and the heating pipes penetrate through the baffle plates in the flow channel B, the flow channel C and the flow channel D.
4. The high-temperature treatment process of wastewater containing high COD according to claim 1, characterized in that the wastewater pretreatment stage is specifically to atomize the wastewater containing high COD to change the wastewater into a mist fluid, and the mist treatment is carried out by a high-pressure nozzle or an ultrasonic atomization device.
5. The high-temperature treatment process of wastewater with high COD according to claim 1, characterized in that the aerosol generated by the pretreatment is introduced into the pyrolysis device and stays for 2s or more than 2s in an oxygen-free or oxygen-inhibited environment at 450-800 ℃, and the required stay time is selected according to the rule that the higher the temperature is, the longer the stay time is.
6. A high-temperature treatment device for wastewater containing high COD is characterized by comprising a metal outer cylinder, a heat preservation layer, an air inlet pipe and an air outlet pipe, the heat preservation parcel is in the outside of metal urceolus, two tip of metal urceolus all pass through two metal head of flange joint, the centre of a circle department of two metal head is with axle center connection intake pipe and outlet duct respectively, intake pipe one end extends to inside the metal urceolus, and have a determining deviation with the metal head of installation outlet duct, be located and be provided with multiunit pyrolysis subassembly between the outer wall of the intake pipe in the metal urceolus and the metal urceolus inner wall, the cavity that is located the intake pipe inner wall in the metal urceolus forms one-way runner with multiunit pyrolysis subassembly, install and link to each other through the ring of giving vent to anger between the metal head of outlet duct and the pyrolysis subassembly, circumference has seted up the venthole on.
7. The high-temperature treatment device for the wastewater containing high COD according to claim 6, wherein the high-temperature pyrolysis component comprises an inner sleeve, a baffle plate and a heating pipe which are sleeved outside the air inlet pipe, the inner sleeve is arranged in a cylindrical shape and is arranged in a single outlet, the number of the inner sleeves is odd, the one-way flow channel sequentially comprises a flow channel A positioned in the air inlet pipe, a flow channel B positioned between the outer wall of the air inlet pipe and the adjacent inner sleeve, a flow channel C positioned between the adjacent inner sleeves and a flow channel D positioned between the inner sleeve of the outermost ring and the inner wall of the metal outer cylinder, the flow channel C is closed by the air outlet ring, and the inner diameter and the outer diameter of the air outlet ring; baffle plates are arranged in the flow channel B, the flow channel C and the flow channel D in an alternating mode, the heating pipes penetrate through the metal sealing head and correspondingly extend into the flow channel B, the flow channel C and the flow channel D, and the heating pipes penetrate through the baffle plates in the flow channel B, the flow channel C and the flow channel D.
8. The high-temperature treatment device for wastewater containing high COD according to claim 7, wherein the open end of the inner sleeve is spaced from the adjacent metal end socket, and the adjacent inner sleeves are sleeved with each other to realize that the open end of the adjacent inner sleeves is located at the opposite end.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154395A (en) * | 2021-03-30 | 2021-07-23 | 四川零域环保科技有限公司 | COD removing system for waste water cracking and burning |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1127997A (en) * | 1993-06-16 | 1996-07-31 | 标准石油公司 | Endothermic reaction apparatus and method |
| US5550311A (en) * | 1995-02-10 | 1996-08-27 | Hpr Corporation | Method and apparatus for thermal decomposition and separation of components within an aqueous stream |
| US6887908B1 (en) * | 2004-06-28 | 2005-05-03 | Chevron U.S.A. Inc. | Treatment of reaction water from a Fischer-Tropsch reactor |
| CN1887689A (en) * | 2005-06-27 | 2007-01-03 | 浙江工业大学 | Externally heated medium and high pressure process and apparatus for synthesizing material ammonia with methanol and methane |
| KR20090109210A (en) * | 2008-04-15 | 2009-10-20 | 제이엠바이오 주식회사 | Method of manufacture of magnetism mineral water from ocean water and apparatus thereof |
| DE102012107471A1 (en) * | 2012-08-15 | 2014-05-22 | Ava-Co2 Schweiz Ag | Process and apparatus for purifying process water in a hydrothermal carbonation process |
| CN204125283U (en) * | 2014-07-21 | 2015-01-28 | 余国山 | A kind of portable coking desulfurization waste liquor conversion system |
| CN204310834U (en) * | 2014-12-19 | 2015-05-06 | 潘小军 | Percolate high temperature treating device |
| CN106495263A (en) * | 2016-12-22 | 2017-03-15 | 佛山市精科机械有限公司 | Under a kind of combination coal-powder boiler, cone processes the system structure of phenol water |
| CN207763251U (en) * | 2017-12-29 | 2018-08-24 | 重庆雅马拓科技有限公司 | A kind of auxiliary thermal of gas |
-
2020
- 2020-04-30 CN CN202010362247.3A patent/CN111517391A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1127997A (en) * | 1993-06-16 | 1996-07-31 | 标准石油公司 | Endothermic reaction apparatus and method |
| US5550311A (en) * | 1995-02-10 | 1996-08-27 | Hpr Corporation | Method and apparatus for thermal decomposition and separation of components within an aqueous stream |
| US6887908B1 (en) * | 2004-06-28 | 2005-05-03 | Chevron U.S.A. Inc. | Treatment of reaction water from a Fischer-Tropsch reactor |
| CN1887689A (en) * | 2005-06-27 | 2007-01-03 | 浙江工业大学 | Externally heated medium and high pressure process and apparatus for synthesizing material ammonia with methanol and methane |
| KR20090109210A (en) * | 2008-04-15 | 2009-10-20 | 제이엠바이오 주식회사 | Method of manufacture of magnetism mineral water from ocean water and apparatus thereof |
| DE102012107471A1 (en) * | 2012-08-15 | 2014-05-22 | Ava-Co2 Schweiz Ag | Process and apparatus for purifying process water in a hydrothermal carbonation process |
| CN204125283U (en) * | 2014-07-21 | 2015-01-28 | 余国山 | A kind of portable coking desulfurization waste liquor conversion system |
| CN204310834U (en) * | 2014-12-19 | 2015-05-06 | 潘小军 | Percolate high temperature treating device |
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Application publication date: 20200811 |