CN216726655U - Processing apparatus of industrial kiln tail gas that contains high concentration ammonia, tar - Google Patents

Processing apparatus of industrial kiln tail gas that contains high concentration ammonia, tar Download PDF

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Publication number
CN216726655U
CN216726655U CN202123362422.8U CN202123362422U CN216726655U CN 216726655 U CN216726655 U CN 216726655U CN 202123362422 U CN202123362422 U CN 202123362422U CN 216726655 U CN216726655 U CN 216726655U
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fan
ammonia
pipeline
tail gas
tar
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田剑莉亚
贺诗阳
曾诗蒙
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Taicang Zhongkoseno New Energy Technology Co ltd
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Taicang Zhongkoseno New Energy Technology Co ltd
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Abstract

The utility model discloses a treatment device for industrial kiln tail gas containing high-concentration ammonia and tar, which comprises a tar treatment component, a fan pressurizing component and an ammonia catalytic cracking component, wherein the tar treatment component comprises a freezing oil remover and an oil removing filter, the gas inlet end of the freezing oil remover inputs tail gas to be treated, the gas outlet end of the freezing oil remover is connected with the gas input end of the oil removing filter through a pipeline, the gas output end of the oil removing filter is connected with the gas inlet of the fan pressurizing component through a pipeline, the gas outlet of the fan pressurizing component is connected with the gas inlet end of the ammonia catalytic cracking component through a pipeline, the gas outlet end of the ammonia catalytic cracking component is connected with an emptying pipeline, the gas inlet end of the freezing oil remover is provided with a first pressure gauge and a first pressure sensor, the gas output end of the oil removing filter is provided with a flow meter, and the gas outlet of the fan pressurizing component is connected with an automatic regulating valve, A second barometer and a second pressure sensor. The utility model can improve the tail gas treatment efficiency, reduce the cost and save the energy consumption.

Description

Processing apparatus of industrial kiln tail gas that contains high concentration ammonia, tar
Technical Field
The utility model relates to the technical field of industrial waste gas treatment, in particular to a treatment device for industrial kiln tail gas containing high-concentration ammonia and tar.
Background
In modern manufacturing industry, different industries such as battery material sintering, soda ash production and the like have ammonia and tar-containing waste gas, ammonia is high-water-solubility and colorless alkaline irritant gas, tar is harmful gas with foul smell, and the ammonia and tar-containing waste gas discharged into the atmospheric environment not only has certain life harm to people, but also pollutes the atmosphere and natural environment.
In the prior art, tar is mainly treated by burning, adsorption and other modes, and the treatment effect of ammonia gas can be influenced due to incomplete tar treatment; the ammonia gas is mainly absorbed by acid, water and the like, wherein in the scheme of absorbing the ammonia gas by water, the ammonia water concentration is lower, so that the ammonia water required to be recovered is large; the acid absorption mode can generate a large amount of ammonium salt, consumes more acid and causes high treatment cost.
Disclosure of Invention
The utility model aims to provide a device for treating industrial kiln tail gas containing high-concentration ammonia and tar, aiming at the problems of low treatment efficiency of tar and ammonia gas, high treatment cost and the like in the conventional waste gas containing ammonia gas and tar in the background art.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a processing apparatus of industrial kiln tail gas that contains high concentration ammonia, tar, it includes tar processing subassembly, fan pressure boost subassembly and ammonia catalytic cracking subassembly, tar processing subassembly includes freezing degreaser and deoiling filter, the tail gas of waiting to handle is input to the inlet end of freezing degreaser, the end of giving vent to anger of freezing degreaser is connected with the gas input end of deoiling filter through the pipeline, the gas output end of deoiling filter is connected with the air inlet of fan pressure boost subassembly through the pipeline, the gas outlet of fan pressure boost subassembly is connected with the inlet end of ammonia catalytic cracking subassembly through the pipeline, the end of giving vent to anger of ammonia catalytic cracking subassembly is connected the evacuation pipeline, be equipped with the first manometer and the first pressure sensor that detect gas pressure at the inlet end of freezing degreaser, be equipped with the flowmeter on the pipeline of the gas output end of deoiling filter, be equipped with the automatically regulated valve on the pipeline that the gas outlet of fan pressure boost subassembly is connected, And the second air pressure meter and the second pressure sensor, the automatic regulating valve, the fan pressurizing assembly, the flow meter, the first pressure sensor and the second pressure sensor are respectively electrically connected with the PLC.
As a further improvement of the device for treating the industrial kiln tail gas containing high-concentration ammonia and tar, the freezing oil remover is internally provided with a circulating refrigerant pipeline and an oil-containing wastewater discharge port. The interior of the freezing oil remover is in a low-temperature state through a circulating refrigerant pipeline, after tail gas containing tar enters the freezing oil remover, condensable tar and water vapor in the tail gas become liquid and are separated from the tail gas, and the residual gas containing ammonia gas and the tar which can not be condensed is conveyed to an oil removal filter through a pipeline from the gas outlet end of the freezing oil remover for further treatment.
As a further improvement of the treatment device for the industrial kiln tail gas containing high-concentration ammonia and tar, the oil removal filter is a three-stage oil removal filter, and the three-stage oil removal filter comprises a stainless steel wire mesh filter, an activated carbon adsorber and a high-efficiency oil removal filter element adsorber which are connected through a pipeline. Through setting up tertiary deoiling filter, can thoroughly get rid of the tar in the tail gas, cause the pollution to the fan when avoiding tar to transmit subsequent fan to prevent to the pollution of catalyst in the ammonia catalytic cracking subassembly, prevent to influence the schizolysis efficiency of ammonia because of the pollution of catalyst.
As a further improvement of the treatment device for the industrial kiln tail gas containing high-concentration ammonia and tar, the fan pressurizing assembly is provided with a fan alarm which is electrically connected with the PLC. The fan alarm device can detect the working state of a fan, for example, the working current of the fan is detected, when the fan breaks down, the load of the fan is increased, the working current is increased, the current value of the fan is detected through the fan alarm device and is sent to the PLC controller, the PLC controller judges whether the fan breaks down according to the received signals, if the fan breaks down, the corresponding fan stops working, the alarm is sent through the fan alarm device, and an operator is prompted to maintain.
As a further improvement of the treatment device for the industrial kiln tail gas containing high-concentration ammonia and tar, a plurality of groups of catalyst carriers and heaters are arranged in the ammonia catalytic cracking component. The heater heats the ammonia gas, and under the action of the catalyst on the catalyst carrier, the ammonia gas is cracked into nitrogen and hydrogen and becomes pollution-free gas.
As a further improvement of the treatment device for the industrial kiln tail gas containing high-concentration ammonia and tar, the gas outlet end of the ammonia catalytic cracking component is connected with the inlet end of a heat exchange pipeline of a heat exchanger, the outlet end of the heat exchange pipeline is connected with an emptying pipeline, the gas outlet of the fan pressurizing component is connected to the gas inlet of the heat exchanger through a pipeline, and the gas outlet of the heat exchanger is connected to the gas inlet end of the ammonia catalytic cracking component through a pipeline. Through setting up heat exchanger, can be used for preheating of the ammonia of input with the heat of the nitrogen gas after the schizolysis and hydrogen, can make the nitrogen gas of output and hydrogen temperature reduce, accord with the environmental protection requirement, can make the ammonia preheat again, reduce the energy resource consumption of ammonia schizolysis process.
As a further improvement of the device for treating the industrial kiln tail gas containing the high-concentration ammonia and the tar, two or more groups of first pressure meters and first pressure sensors are arranged on the pipeline at the gas inlet end of the freezing oil remover, each group of first pressure meters and first pressure sensors are correspondingly connected to one detection branch pipe on the pipeline, a switch valve is arranged on each detection branch pipe, and the switch valve, the first pressure meters and the first pressure sensors are sequentially arranged on the detection branch pipes along the outward direction of the root parts of the detection branch pipes. Through setting up first manometer and first pressure sensor, can detect the atmospheric pressure of the tail gas of importing freezing degreaser, through setting up two sets of first manometer and first pressure sensor, when tar in the tail gas led to the fact pollution damage to first manometer or first pressure sensor, can detect atmospheric pressure with another group's reserve first manometer and first pressure sensor, did not influence the treatment effeciency of tail gas. Through setting up maintenance branch pipe and ooff valve, be convenient for carry out on-off control to the maintenance branch road to overhaul and change first manometer and first pressure sensor.
As a further improvement of the device for treating the industrial kiln tail gas containing the high-concentration ammonia and the tar, the fan pressurizing assembly comprises two or more groups of fans, each fan is electrically connected with the PLC, and automatic regulating valves are arranged on the pipelines of the air inlet and the air outlet of each fan. Through setting up two sets of fans, one of them fan pressure boost subassembly can be reserve, when one of them fan broke down, can continue the processing of carrying out tail gas with another group fan, does not influence the treatment effeciency of tail gas. Meanwhile, automatic regulating valves are arranged on the pipelines of the air inlet and the air outlet of the fan, so that the channel of the fan can be conveniently controlled to be opened and closed, and the fan can be conveniently overhauled or replaced.
As a further improvement of the treatment device for the industrial kiln tail gas containing high-concentration ammonia and tar, the fan is a variable-frequency corrosion-resistant vortex fan. The corrosion-resistant swirl fan of frequency conversion is chooseed for use to the fan, can avoid tail gas to the corruption of fan, can control the rotational speed of fan simultaneously, maintains the inside gas pressure stability of ammonia schizolysis subassembly, improves the schizolysis efficiency of ammonia.
As a further improvement of the treatment device for the industrial kiln tail gas containing high-concentration ammonia and tar, the ammonia catalytic cracking component is provided with a temperature sensor, and the temperature sensor is electrically connected with the PLC. Through setting up temperature sensor, can control the temperature in the ammonia catalytic cracking subassembly to in the cracking efficiency of improvement ammonia, and can monitor the operating condition of heater.
It should be noted that although the PLC controller is used in the present invention, the PLC controller has functions of receiving signals of the first pressure sensor, the second pressure sensor, the flow meter, the temperature sensor, the fan operating current, etc., controlling the rotation speed of the fan according to the received signals, automatically controlling the on/off or the opening degree of the valve, and when the fan current is too large, controlling the fan with a fault to stop operating, starting the standby fan, and determining the operating state of the ammonia catalytic cracking assembly according to the temperature of the ammonia catalytic cracking assembly detected by the temperature sensor, so as to accurately control the temperature. The control methods are common control methods of the PLC, so that the utility model does not relate to software improvement and accords with the protection object of the utility model.
The utility model has the positive effects that: 1) according to the device for treating the industrial kiln tail gas containing high-concentration ammonia and tar, the freezing oil remover is used for treating the water vapor and the condensable tar in the tail gas, so that the removal rate of the water vapor reaches over 99%, the influence of the water vapor on a subsequent oil removal filter can be avoided, after the freezing oil remover is used for treating, the tail gas enters the oil removal filter for further treatment, the removal rate of the tar can reach over 98%, and the pollution of the tar on a subsequent fan and an ammonia catalytic cracking assembly can be avoided; 2) according to the device for treating the industrial kiln tail gas containing the high-concentration ammonia and the tar, the ammonia gas in the tail gas is treated by the ammonia gas catalytic cracking assembly, the catalyst can be a nickel-based catalyst, so that the influence of oxygen in the air on the catalyst can be avoided, and the stability of the catalytic cracking reaction is ensured; 3) the device for treating the industrial kiln tail gas containing high-concentration ammonia and tar can adjust the rotating speed of the fan supercharging assembly and the opening of the automatic control valve through the detected air pressure difference value of the second pressure sensor and the first pressure sensor, realize the automatic control of the tail gas flow, detect the tail gas flow through the flowmeter, perform feedback control on the rotating speed of the fan according to the detected value of the flowmeter, improve the control precision, enable the internal pressure of the ammonia catalytic cracking assembly to be more stable, and improve the tail gas treatment efficiency; 4) according to the device for treating the industrial kiln tail gas containing the high-concentration ammonia and the tar, each treatment component of the system is in a modular design and is convenient to replace, and each treatment component can be mounted in a skid-mounted manner, so that the device is compact in structure, small in occupied area and convenient to move; 5) according to the device for treating the industrial kiln tail gas containing the high-concentration ammonia and the tar, the decomposition pressure in the ammonia gas catalytic decomposition component is low, the conventional setting is 0.05Mpa, the air inflow can be adjusted within a rated range, and the safety is high; 6) according to the device for treating the industrial kiln tail gas containing high-concentration ammonia and tar, spare parts are arranged on elements which are easy to break down, so that the phenomenon of abnormal emission of the tail gas caused by equipment failure II is prevented, the device can be prevented from being stopped due to element failure, the device can continuously and stably operate, and the tail gas treatment efficiency is guaranteed; the heat exchanger is arranged on the ammonia catalytic cracking component, so that the utilization rate of energy can be improved, and the energy consumption is reduced.
Drawings
FIG. 1 is a schematic view of the present invention.
The reference numerals in the figures are as follows: the device comprises a freezing oil remover 1, a circulating refrigerant pipeline 11, an oily wastewater discharge port 12, an oil removal filter 2, a stainless steel wire mesh filter 21, an activated carbon adsorber 22, a high-efficiency oil removal filter core adsorber 23, a flowmeter 24, a fan pressurizing assembly 3, a fan 31, an automatic regulating valve 32, a fan alarm 33, an ammonia catalytic cracking assembly 4, a catalyst carrier 41, a heater 42, a temperature sensor 43, a heat exchanger 44, a first pressure sensor 5, a first pressure gauge 6, a second pressure sensor 7, a second pressure gauge 8 and a PLC (programmable logic controller) 9.
Detailed Description
The technical solutions of the present invention are described clearly and completely by the following embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Fig. 1 shows a device for treating industrial kiln tail gas containing high-concentration ammonia and tar, which comprises a tar treatment component, a fan supercharging component 3 and an ammonia catalytic cracking component 4.
The tar processing assembly comprises a freezing oil remover 1 and an oil removing filter 2.
The refrigeration degreaser 1 is internally provided with a circulating refrigerant pipeline 11 and an oil-containing waste water outlet 12. The oily wastewater can be collected by a wastewater collecting means provided at the oily wastewater discharge port 12. The circulating refrigerant pipeline 11 enables the interior of the freezing oil remover 1 to be in a low-temperature state, after tail gas containing tar enters the freezing oil remover, condensable tar and water vapor in the tail gas become liquid and are separated from the tail gas, and the residual gas containing ammonia gas and the tar which can not be condensed is conveyed to the oil removing filter 2 through a pipeline from the gas outlet end of the freezing oil remover for further treatment, so that the water vapor removal rate in the tail gas can reach more than 99% through the arrangement, the tar is subjected to primary separation, and the treatment efficiency of the subsequent oil removing filter is improved.
The tail gas that waits to handle is input to the inlet end of freezing degreaser 1, is equipped with two sets of or more than two sets of first manometer and first pressure sensor at the inlet end of freezing degreaser 1, and the first manometer of every group and first pressure sensor correspond to be connected on a detection branch pipe on the pipeline, and be equipped with the ooff valve on detecting the branch pipe, and ooff valve, first manometer 6 and first pressure sensor 5 set gradually on detecting the branch pipe along the root outside direction of detecting the branch pipe. Through setting up first manometer 6 and first pressure sensor 5, can detect the atmospheric pressure of the tail gas of importing freezing degreaser 1, through setting up two sets of first manometer 6 and first pressure sensor 5, when tar in the tail gas led to the fact pollution damage to first manometer 6 or first pressure sensor 5, can detect the atmospheric pressure with another group's reserve first manometer 6 and first pressure sensor 5, did not influence the treatment effeciency of tail gas. Through setting up maintenance branch pipe and ooff valve, be convenient for carry out on-off control to the maintenance branch road to overhaul and change first manometer and first pressure sensor.
The oil removing filter 2 is a three-stage oil removing filter, and the three-stage oil removing filter comprises a stainless steel wire mesh filter 21, an activated carbon adsorber 22 and a high-efficiency oil removing filter element adsorber 23 which are connected through a pipeline. Through setting up tertiary deoiling filter, the tar clearance that enables in the tail gas reaches more than 98%, causes the pollution to the fan when avoiding tar to transmit subsequent fan to prevent to the pollution of catalyst in the ammonia catalytic cracking subassembly, prevent to influence the schizolysis efficiency of ammonia because of the pollution of catalyst. A flowmeter 24 is arranged on a pipeline at the gas output end of the oil removing filter 2 to detect the gas flow.
The fan 31 of fan pressure boost subassembly 3 chooses for use the corrosion-resistant swirl fan of frequency conversion, can avoid tail gas to the corruption of fan, can control the rotational speed of fan 31 simultaneously, maintains the gas pressure stability of ammonia pyrolysis subassembly 4 inside, improves the schizolysis efficiency of ammonia. The fan supercharging component 3 comprises two or more sets of fans, each fan is electrically connected with the PLC9, and the pipelines of the air inlet and the air outlet of each fan 31 are provided with automatic regulating valves 32. Through setting up two sets of fans 31, one of them fan pressure boost subassembly can be standby, when one of them fan 31 broke down, can continue the processing of carrying out tail gas with another group fan 31, does not influence the treatment effeciency of tail gas. Meanwhile, the automatic regulating valves 32 are arranged on the air inlet and the air outlet of the fan 31, so that the channel of the fan 31 can be conveniently controlled to be opened and closed, and the fan 31 can be conveniently overhauled or replaced. A second barometer 8 and a second pressure sensor 7 are arranged on a pipeline between the fan pressurizing assembly 3 and the ammonia catalytic cracking assembly 4. The second barometer 8 and the second pressure sensor 7 are connected in the same way as the first barometer 6 and the first pressure sensor 5.
The fan 31 is electrically connected with the fan alarm 33, and the fan alarm 33 is electrically connected with the PLC 9. Can detect the operating condition of fan 31 through setting up fan alarm 33, for example, detect the operating current of fan, when fan 31 breaks down, fan 31's load increase, operating current will increase, current value that detects fan 31 through fan alarm 33 sends to PLC controller 9, PLC controller 9 judges whether fan 31 breaks down according to the signal received, if judge fan 31 trouble, then make the fan 31 stop work that corresponds, and send the warning through fan alarm 33, suggestion operating personnel maintains.
The ammonia catalytic cracking module 4 is internally provided with a plurality of groups of catalyst carriers 41 and heaters 42. The ammonia gas introduced is heated by the heater 42, and is cracked into nitrogen gas and hydrogen gas by the catalyst on the catalyst support 41, and the nitrogen gas and the hydrogen gas are converted into pollution-free gases. The heater 42 may be a heating resistance wire wound around the catalyst carrier 41. The catalyst on the catalyst carrier 41 may be a nickel-based catalyst, which can avoid the influence of oxygen in the air on the catalyst and ensure the stability of the catalytic cracking reaction. The ammonia catalytic cracking component 4 is provided with a temperature sensor 43, and the temperature sensor 43 is electrically connected with the PLC 9. Through setting up temperature sensor 43, can control the temperature in the ammonia catalytic cracking subassembly 4 to improve the schizolysis efficiency of ammonia, and can monitor the operating condition of heater 42.
As a preferred embodiment, a heat exchanger 44 is also included. The air outlet end of the ammonia catalytic cracking component 4 is connected with the inlet end of a heat exchange pipeline of the heat exchanger 44, the outlet end of the heat exchange pipeline is connected with an emptying pipeline, the air outlet of the fan supercharging component 3 is connected to the air inlet of the heat exchanger 44 through a pipeline, and the air outlet of the heat exchanger 44 is connected to the air inlet end of the ammonia catalytic cracking component 4 through a pipeline. Through setting up heat exchanger 44, can be used for preheating of the ammonia of input with the heat of nitrogen gas and hydrogen after the schizolysis, can make the nitrogen gas of output and hydrogen temperature reduce, accord with the environmental protection requirement, can make the ammonia preheat again, reduce the energy resource consumption of ammonia schizolysis process.
The gas outlet end of the freezing oil remover 1 is connected with the gas input end of the oil removing filter 2 through a pipeline, the gas output end of the oil removing filter 2 is connected with the gas inlet of the fan pressurizing assembly 3 through a pipeline, the gas outlet of the fan pressurizing assembly 3 is connected with the gas inlet end of the ammonia catalytic cracking assembly 4 through a pipeline, and the gas outlet end of the ammonia catalytic cracking assembly 4 is connected with the evacuation pipeline after passing through the heat exchanger 44. The automatic control valve 32, the fan 31, the flow meter 24, the temperature sensor 43, the fan alarm 33, the heater 42, the first pressure sensor 5, and the second pressure sensor 7 are electrically connected to the PLC controller 9.
The utility model relates to a device for treating industrial kiln tail gas containing high-concentration ammonia and tar, which is characterized in that when the device works, the tail gas is transmitted into a freezing degreaser through a pipeline, when the tail gas passes through a first pressure gauge and a first pressure sensor, the gas pressure is detected, the first sensor sends the gas pressure to a PLC (programmable logic controller), the tail gas enters the freezing degreaser, condensable tar and water vapor in the tail gas are changed into liquid under the action of a circulating refrigerant pipeline in the freezing degreaser, the liquid is separated from the tail gas, the removal rate of the water vapor can reach more than 99%, the residual gas containing ammonia gas and uncondensable tar is conveyed to a deoiling filter through a pipeline from the gas outlet end of the freezing degreaser for further treatment, after the gas enters the deoiling filter, the gas is subjected to three-stage filtration through a stainless steel wire mesh filter, an active carbon absorber and a high-efficiency deoiling filter element absorber, so that the removal rate of the tar in the tail gas reaches more than 98%, the main component in the treated gas is ammonia, the part of gas is conveyed to the ammonia catalytic cracking assembly under the action of the fan pressurizing assembly, the air pressure is increased under the action of the fan, the flow of tail gas can be detected through a flow meter between the oil removal filter and the fan pressurizing assembly, the flow value is sent to the PLC, the gas pressure conveyed to the ammonia catalytic cracking assembly can be detected through the second pressure gauge and the second pressure sensor, the gas pressure is sent to the PLC, the rotating speed of the fan is adjusted through the pressure difference detected by the second pressure sensor and the first pressure sensor, if the pressure difference is smaller than a preset value, the rotating speed of the fan is accelerated, if the pressure difference is larger than the preset value, the rotating speed of the fan is reduced, the opening degree of an automatic control valve at the output end of the fan is adjusted, and the air pressure entering the ammonia catalytic cracking assembly is stable. And the PLC performs further feedback control on the rotating speed of the fan according to the flow rate of the tail gas detected by the flowmeter. Before gas gets into ammonia catalytic cracking subassembly, advance into the heat exchanger, the ammonia catalytic cracking subassembly give vent to anger the nitrogen-hydrogen mixed gas of end output and pass through heat exchanger's heat exchange pipeline, preheat the ammonia of input ammonia catalytic cracking subassembly, the ammonia after preheating gets into in the ammonia catalytic cracking subassembly, heat up under the effect of heater, and under the effect of nickel base catalyst, the ammonia schizolysis is nitrogen gas and hydrogen, after through the heat exchange pipeline, the temperature of nitrogen-hydrogen mixed gas reduces, become the gas that accords with emission standard, discharge through the evacuation pipeline.
According to the device for treating the industrial kiln tail gas containing high-concentration ammonia and tar, the freezing oil remover is used for treating the water vapor and the condensable tar in the tail gas, so that the removal rate of the water vapor reaches over 99%, the influence of the water vapor on a subsequent oil removal filter can be avoided, after the freezing oil remover is used for treating, the tail gas enters the oil removal filter for further treatment, the removal rate of the tar can reach over 98%, and the pollution of the tar on a subsequent fan and an ammonia catalytic cracking assembly can be avoided; the ammonia gas catalytic cracking component is adopted to treat ammonia gas in tail gas, and the catalyst can be a nickel-based catalyst, so that the influence of oxygen in the air on the catalyst can be avoided, and the stability of the catalytic cracking reaction is ensured; the rotating speed of the fan supercharging assembly and the opening of the automatic control valve can be adjusted through the air pressure difference value detected by the second pressure sensor and the first pressure sensor, the automatic control of the exhaust flow is realized, the flow of the exhaust is detected by the flowmeter, the rotating speed of the fan is subjected to feedback control according to the detection value of the flowmeter, the control precision is improved, the internal pressure of the ammonia catalytic cracking assembly is more stable, and the exhaust treatment efficiency is improved; each processing component of the system is in a modular design and is convenient to replace, and each processing component can be mounted in a skid-mounted manner, so that the system is compact in structure, small in occupied area and convenient to move; the decomposition pressure in the ammonia catalytic decomposition component is low, the conventional setting is 0.05Mpa, the air inflow can be adjusted in a rated range, and the safety is high; the elements which are easy to break down in the device for treating the tail gas of the industrial kiln are provided with spare parts, so that the abnormal emission phenomenon of the tail gas caused by the failure of equipment II can be prevented, the shutdown caused by the failure of the elements can be avoided, the equipment can continuously and stably operate, and the tail gas treatment efficiency is ensured; the heat exchanger is arranged on the ammonia catalytic cracking component, so that the utilization rate of energy can be improved, and the energy consumption is reduced. All components of the industrial kiln tail gas treatment device can be made of economical and applicable materials meeting technical requirements, and the applicable cost of primary and subsequent installation is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a processing apparatus of industrial kiln tail gas that contains high concentration ammonia, tar which characterized in that: the device comprises a tar processing assembly, a fan pressurizing assembly and an ammonia catalytic cracking assembly, wherein the tar processing assembly comprises a freezing oil remover and an oil removing filter, the inlet end of the freezing oil remover inputs tail gas to be processed, the outlet end of the freezing oil remover is connected with the gas input end of the oil removing filter through a pipeline, the gas output end of the oil removing filter is connected with the gas inlet of the fan pressurizing assembly through a pipeline, the gas outlet of the fan pressurizing assembly is connected with the inlet end of the ammonia catalytic cracking assembly through a pipeline, the gas outlet end of the ammonia catalytic cracking assembly is connected with an emptying pipeline, the inlet end of the freezing oil remover is provided with a first pressure meter and a first pressure sensor for detecting gas pressure, the pipeline at the gas output end of the oil removing filter is provided with a flow meter, the pipeline connected with the gas outlet of the fan pressurizing assembly is provided with an automatic regulating valve, a second pressure meter and a second pressure sensor, the automatic regulating valve, the fan pressurizing assembly, the flowmeter, the first pressure sensor and the second pressure sensor are electrically connected with the PLC respectively.
2. The device for treating the industrial kiln tail gas containing high-concentration ammonia and tar according to claim 1, characterized in that: and a circulating refrigerant pipeline and an oil-containing wastewater discharge port are arranged in the freezing oil remover.
3. The device for treating the industrial kiln tail gas containing high-concentration ammonia and tar according to claim 1, characterized in that: the deoiling filter be tertiary deoiling filter, tertiary deoiling filter includes stainless wire net filter, active carbon adsorber and high-efficient deoiling filter core adsorber through the pipe connection.
4. The device for treating the industrial kiln tail gas containing high-concentration ammonia and tar according to claim 1, characterized in that: the fan supercharging component is provided with a fan alarm which is electrically connected with the PLC.
5. The device for treating the industrial kiln tail gas containing the high-concentration ammonia and the tar as claimed in claim 4, is characterized in that: and a plurality of groups of catalyst carriers and heaters are arranged in the ammonia catalytic cracking component.
6. The device for treating the industrial kiln tail gas containing high-concentration ammonia and tar according to claim 1, characterized in that: the air outlet end of the ammonia catalytic cracking component is connected with the inlet end of a heat exchange pipeline of the heat exchanger, the outlet end of the heat exchange pipeline is connected with an emptying pipeline, the air outlet of the fan supercharging component is connected to the air inlet of the heat exchanger through a pipeline, and the air outlet of the heat exchanger is connected to the air inlet end of the ammonia catalytic cracking component through a pipeline.
7. The device for treating the industrial kiln tail gas containing high-concentration ammonia and tar according to claim 1, characterized in that: the pipeline of the air inlet end of the freezing oil remover is provided with two or more groups of first pressure meters and first pressure sensors, each group of first pressure meters and first pressure sensors are correspondingly connected to one detection branch pipe on the pipeline, the detection branch pipes are provided with switch valves, and the switch valves, the first pressure meters and the first pressure sensors are sequentially arranged on the detection branch pipes along the outward direction of the roots of the detection branch pipes.
8. The device for treating the industrial kiln tail gas containing high-concentration ammonia and tar according to claim 1, characterized in that: the fan pressurizing assembly comprises two or more groups of fans, each fan is electrically connected with the PLC respectively, and automatic regulating valves are arranged on pipelines of an air inlet and an air outlet of each fan.
9. The device for treating the industrial kiln tail gas containing high-concentration ammonia and tar according to claim 1, characterized in that: the fan is a frequency conversion corrosion-resistant vortex fan.
10. The device for treating the industrial kiln tail gas containing high-concentration ammonia and tar according to claim 1, characterized in that: the ammonia catalytic cracking component is provided with a temperature sensor, and the temperature sensor is electrically connected with the PLC.
CN202123362422.8U 2021-12-29 2021-12-29 Processing apparatus of industrial kiln tail gas that contains high concentration ammonia, tar Active CN216726655U (en)

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CN202123362422.8U CN216726655U (en) 2021-12-29 2021-12-29 Processing apparatus of industrial kiln tail gas that contains high concentration ammonia, tar

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Application Number Priority Date Filing Date Title
CN202123362422.8U CN216726655U (en) 2021-12-29 2021-12-29 Processing apparatus of industrial kiln tail gas that contains high concentration ammonia, tar

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Publication Number Publication Date
CN216726655U true CN216726655U (en) 2022-06-14

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Denomination of utility model: A treatment device for industrial kiln tail gas containing high concentration ammonia and tar

Effective date of registration: 20230315

Granted publication date: 20220614

Pledgee: Bank of Jiangsu Co.,Ltd. Suzhou Branch

Pledgor: Taicang zhongkoseno New Energy Technology Co.,Ltd.

Registration number: Y2023980035033