CN218553682U - Purification system capable of enabling industrial waste gas to fully react with catalyst - Google Patents
Purification system capable of enabling industrial waste gas to fully react with catalyst Download PDFInfo
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- CN218553682U CN218553682U CN202222644322.2U CN202222644322U CN218553682U CN 218553682 U CN218553682 U CN 218553682U CN 202222644322 U CN202222644322 U CN 202222644322U CN 218553682 U CN218553682 U CN 218553682U
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Abstract
The utility model discloses a can make purification system of industrial waste gas and catalyst fully reaction relates to exhaust-gas purification technical field, including reaction unit, separator, feeder, cooling device and sack dust collector, the reaction unit embeds there is the catalyst for react with waste gas, and feeder connects in reaction unit for to carrying the catalyst in the reaction unit, separator connects in reaction unit, is used for receiving the mixture through the gas of catalyst and partial catalyst. The utility model provides a can put more catalyst on the boiling plate, when waste gas from bottom to top in the time of the boiling plate, can strike the catalyst on the boiling plate, make above-mentioned catalyst be in the boiling state, at this in-process waste gas can carry out abundant contact and reaction with the catalyst on the boiling plate, overall structure is simple, easy to assemble or with dismantle the maintenance, not only optimized the structure that uses among the exhaust purification process, still can improve the efficiency to exhaust purification.
Description
Technical Field
The utility model relates to a waste gas purification technical field especially relates to a clean system that can make industrial waste gas and catalyst fully react.
Background
The existing coal power plant and coal boiler apply two-stage desulfurization and denitration technology, adopt lime ammonia water, use quick lime and ammonia in the existing industrial tail gas treatment, and have the disadvantages of complex process, long process flow, more used equipment, more derived products, poorer system stability, huge overall structure, complex process and corrosion to equipment, thereby having short system maintenance period and large maintenance workload, increasing the overall use cost and being incapable of effectively purifying waste gas.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a can make the clean system of industrial waste gas and catalyst fully reaction, whole operative installations is less, and stability is stronger, and whole size is little and process flow is simple, and further can make catalyst and waste gas carry out fully reaction.
The purpose of the utility model can be achieved by adopting the following technical scheme:
a purification system capable of leading industrial waste gas to fully react with a catalyst, which comprises a reaction device, a separation device, a feeding device, a cooling device and a cloth bag dust removal device,
the feeding device is connected with the reaction device and used for conveying the catalyst into the reaction device, the separation device is connected with the reaction device and used for receiving a mixture of gas passing through the catalyst and part of the catalyst, separating the mixture to separate the gas from the catalyst and conveying the gas to the cloth bag dust removal device, a cooling device is connected between the separation device and the cloth bag dust removal device and used for cooling the gas conveyed to the cloth bag dust removal device,
the reaction device comprises a reaction tower, wherein a boiling plate is arranged on the inner side of the reaction tower and used for bearing a catalyst which reacts with waste gas and purifies the waste gas, the boiling plate comprises a plate body and a plurality of gas through pipes penetrating through the top surface of the plate body, a plurality of through holes penetrate through the outer peripheral surface of each gas through pipe and are used for forming a conveying channel of the waste gas, the reaction tower is provided with an inlet and an outlet, the boiling plate is arranged above the inlet of the reaction tower and used for enabling external waste gas to enter the reaction tower through the inlet of the reaction tower and pass through the boiling plate, so that the catalyst placed on the boiling plate is contacted with the waste gas, and the boiling plate is arranged below the outlet of the reaction tower and used for enabling the gas passing through the boiling plate to be discharged outwards through the outlet of the reaction tower.
Preferably, the side of tower body runs through there is the conveying hole, feeder with be connected with first conveying pipeline between the conveying hole for from outside to the tower body in carry the catalyst, the conveying hole sets up in the top of gaseous siphunculus, separator's bottom with be connected with the second conveying pipeline between the conveying hole, in being used for making the catalyst that is separated out send back the reaction tower, feeder is including the batcher, feeder still is including having air compressor and frequency conversion controller for the material volume of control batcher defeated material.
Preferably, the top of tower lid is fixed with first crown plate down, the bottom of tower body is fixed with the second crown plate, the plate body set up in with the second crown plate between, the plate body is the disc type structure, and is a plurality of gaseous siphunculus sets up in the inboard of tower body, gaseous siphunculus is the hollow circular cylinder structure.
Preferably, the outer peripheral surface of the first annular plate protrudes out of the outer peripheral surface of the lower tower cover, the outer peripheral surface of the second annular plate protrudes out of the outer peripheral surface of the tower body, and the diameters of the plate bodies are respectively greater than the inner diameters of the first annular plate and the second annular plate.
Preferably, the cooling device comprises a cooling water tank, a water pump and a heat exchanger, the cooling water tank is connected with a water pipe, the water pipe is inserted into the heat exchanger in an alternate mode, a gas transmission pipeline is connected between the heat exchanger and the cloth bag dust removal device, a temperature sensor is arranged on the gas transmission pipeline and used for detecting the temperature of cooled gas, and the cooling device further comprises a PLC control unit used for receiving temperature detection data of the temperature sensor and controlling the flow rate of the water pump.
Preferably, the device also comprises a control device and a first gas sensor, wherein the first gas sensor is arranged at an outlet of the cloth bag dust removal device and used for detecting the gas filtered by the cloth bag dust removal device, the control device comprises a second gas sensor and used for detecting components and concentration of waste gas before the waste gas enters the reaction tower, and the control device also comprises a controller unit and used for receiving detection data of the second gas sensor and controlling the output material quantity of the feeding device according to the detection data.
The utility model has the advantages of that:
1. the utility model provides a can put more catalyst on the boiling plate, when waste gas from bottom to top in the time of the boiling plate, can strike the catalyst on the boiling plate, make above-mentioned catalyst be in the boiling state, at this in-process waste gas can carry out abundant contact and reaction with the catalyst on the boiling plate, overall structure is simple, easy to assemble or with dismantle the maintenance, not only optimized the structure that uses among the exhaust purification process, still can improve the efficiency to exhaust purification.
2. The utility model provides a whole operative installations of exhaust gas purification system is less, and stability is stronger, and whole size is little and process flow is simple moreover, and further can make catalyst and waste gas carry out the abundant reaction, but and automatic feeding need not to remove artifical material loading in the operation of the in-process suspension system of waste gas reaction, has not only improved the purification efficiency of waste gas, still can save a large amount of cost of labor.
Drawings
Fig. 1 is a schematic front view of a reaction column according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a reaction tower according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a lower tower cover according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a lower tower cover and a boiling plate according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a boiling plate according to an embodiment of the present invention;
fig. 6 is a general schematic diagram of a system according to an embodiment of the invention.
In the figure: 1-a reaction tower, 101-a tower body, 102-an upper tower cover, 103-a lower tower cover, 4-a gas conveying pipe, 5-a support frame, 6-a window, 7-a boiling plate, 701-a plate body, 702-a gas through pipe, 8-a first ring plate and 9-a second ring plate.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-6, the purification system capable of fully reacting industrial waste gas with a catalyst provided in this embodiment includes a reaction device, a separation device, a feeding device, a cooling device, and a bag-type dust removal device, wherein the waste gas is flue gas,
the feeding device is connected with the reaction device and used for conveying the catalyst into the reaction device, the separating device is connected with the reaction device, the catalyst also partially rises along with the gas under the action of the rising of the gas and is used for receiving the mixture of the gas passing through the catalyst and the partial catalyst, separating the mixture to separate the gas from the catalyst and conveying the gas to the cloth bag dust removing device, a cooling device is connected between the separating device and the cloth bag dust removing device and is used for cooling the gas conveyed to the cloth bag dust removing device,
the reaction device comprises a reaction tower 1, a boiling plate 7 is arranged on the inner side of the reaction tower 1 and used for bearing rare earth catalyst which reacts with waste gas and purifies the waste gas, the boiling plate 7 comprises a plate body 701 and a plurality of gas through pipes 702 penetrating through the top surface of the plate body 701, a plurality of through holes penetrate through the outer peripheral surface of the gas through pipes 702 and are used for forming a conveying channel of the waste gas, when the catalyst is placed, the catalyst can be covered on the plate body 701 and the gas through pipes 702 are covered, so that when the waste gas is conveyed from bottom to top and passes through the boiling plate 7, the catalyst can be completely contacted and continuously reacted with the waste gas and the catalyst, and the purpose of fully reacting the waste gas and the catalyst is achieved,
the reaction tower 1 has an inlet and an outlet, and the boiling plate 7 is disposed above the inlet of the reaction tower 1 for allowing external exhaust gas to enter the reaction tower 1 through the inlet of the reaction tower 1 and pass through the boiling plate 7, so that the catalyst placed on the boiling plate 7 contacts the exhaust gas, and the boiling plate 7 is disposed below the outlet of the reaction tower 1 for allowing the gas passing through the boiling plate 7 to be discharged outside through the outlet of the reaction tower 1.
In this embodiment, the reaction tower 1 includes a tower body 101 and a lower tower cover 103 distributed up and down, the lower tower cover 103 has an inlet for discharging external exhaust gas into the reaction tower 1 through the inlet of the lower tower cover 103, the boiling plate 7 is disposed above the lower tower cover 103, the reaction tower 1 further includes an upper tower cover 102 disposed at the top end of the tower body 101, the upper tower cover 102 has an outlet for discharging gas passing through the boiling plate 7 through the outlet of the upper tower cover 102, a pipeline is connected between the outlet of the upper tower cover 102 and the separation device, so that the exhaust gas can be conveyed from bottom to top, when passing through the boiling plate 7, the catalyst on the upper tower cover can be impacted and fully contacted, the catalyst on the boiling plate 7 can be continuously in a "boiling" state, a part of the catalyst is in a suspended state, and the catalyst and the exhaust gas can be fully reacted.
In this embodiment, the side of tower body 101 is run through there is the conveying hole, be connected with first conveying pipeline between feeder and the conveying hole, be used for from outside to the interior catalyst that carries of tower body 101, the conveying hole sets up in the top of gaseous siphunculus 702, be connected with the second conveying pipeline between separator's bottom and the conveying hole, be used for making in the catalyst that is separated out sends back reaction tower 1, feeder is including the batcher, feeder still includes air compressor and frequency conversion controller, a material volume for the defeated material of control batcher, frequency conversion controller can be used to the manual material parameter of being defeated of setting up.
In this embodiment, the top of lower tower lid 103 is fixed with first crown plate 8, and the bottom mounting of tower body 101 has second crown plate 9, and plate body 701 sets up between 8 and second crown plate 9, and plate body 701 is the disc type structure, and stability and leakproofness that do not influence reaction tower 1 have still effectually guaranteed to carry out inseparable fixed to boiling plate 7, and a plurality of gaseous siphunculus 702 set up in the inboard of tower body 101, and gaseous siphunculus 702 is the hollow circular cylinder column structure.
In this embodiment, the outer peripheral surface of the first ring plate 8 protrudes out of the outer peripheral surface of the lower tower cover 103, the outer peripheral surface of the second ring plate 9 protrudes out of the outer peripheral surface of the tower body 101, and the diameters of the plate bodies 701 are respectively larger than the inner diameters of the first ring plate 8 and the second ring plate 9.
In this embodiment, cooling device is including coolant tank, water pump and heat exchanger, and coolant tank is connected with the water pipe, and the water pipe alternates in heat exchanger, is connected with gas transmission pipeline between heat exchanger and the sack dust collector, is provided with temperature sensor on the gas transmission pipeline for detect the gaseous temperature after the cooling, cooling device is still including PLC the control unit, is used for receiving temperature sensor's temperature detection data, and controls the flow of water pump.
In this embodiment, still including controlling means and first gas sensor, first gas sensor sets up in the exit of sack dust collector for detect the gas controlling means after the sack dust collector filters including the second gas sensor, be used for detecting composition and concentration before waste gas gets into reaction tower 1, controlling means is still including the controller unit, be used for receiving the detection data of second gas sensor, and according to the output material volume of detection data control feeder.
The use method of the purification system capable of enabling the industrial waste gas to fully react with the catalyst comprises the following steps
Step 1, injecting a catalyst for purifying flue gas onto a boiling plate 7 through a feeding device, covering the catalyst on the top end of a gas through pipe 702, and ensuring that the flue gas can flush away part of the catalyst;
step 2, conveying the flue gas upwards from an inlet of the lower tower cover 103, allowing the flue gas to enter the reaction tower 1 at a certain speed, passing through the boiling plate 7, impacting a catalyst on the boiling plate 7 when the flue gas comes out of the through hole on the gas through pipe 702, so that the catalyst is in a boiling state, and the catalyst in the boiling state fully reacts with the flue gas rising upwards;
In this embodiment, the preset temperature is below 100 ℃, in step 2, after the second gas sensor detects the components and concentration of the flue gas, the flue gas is conveyed upwards from the inlet of the lower tower cover 103, and after the second gas sensor transmits the detection data to the controller unit, the controller unit controls the output amount of the feeding device, if the gas concentration reaches the first preset value, the output amount of the feeding device is high, which may be at a speed of 1m/s, and if the gas concentration is lower than the second preset value, the output amount of the feeding device is low, which may be at a speed of 0.4m/s, and the second preset value is smaller than the first preset value.
In this embodiment, still including step 7, before sack dust collector exhaust net gas, first gas sensor detects the net gas, and will detect data transmission and give the controller unit, if gas concentration reaches the third default, then increase feeder's output material volume, the third default is a little higher than the flue gas emission standard, avoid the quantity of gas purification in-process catalyst not put enough and lead to the combustion gas to be not conform to the standard, can guarantee to use this system to the combustion gas accord with the standard after the gas purification.
To sum up, in this embodiment, the whole operative installations of the exhaust gas purification system that this embodiment provided is less, and stability is stronger, and whole size is little and process flow is simple moreover, and further can make catalyst and waste gas fully react, and automatic feeding, need not to suspend the operation of system and go artifical material loading at the in-process of waste gas reaction, has not only improved the purification efficiency of waste gas, still can save a large amount of cost of labor, and further this system still can adjust the volume that catalyst input reaction tower according to current waste gas concentration.
The above, only be the further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art is in the scope of the present invention, and the technical solution and the design of the present invention are equivalent to replace or change, and all belong to the scope of protection of the present invention.
Claims (7)
1. A purification system capable of making industrial waste gas and catalyst fully react is characterized in that: comprises a reaction device, a separation device, a feeding device, a cooling device and a cloth bag dust removal device,
the feeding device is connected with the reaction device and used for conveying the catalyst into the reaction device, the separating device is connected with the reaction device and used for receiving the mixture of the gas passing through the catalyst and part of the catalyst, separating the mixture to separate the gas from the catalyst and conveying the gas to the cloth bag dust removing device, a cooling device is connected between the separating device and the cloth bag dust removing device and used for cooling the gas conveyed to the cloth bag dust removing device,
the reaction device comprises a reaction tower (1), wherein a boiling plate (7) is arranged on the inner side of the reaction tower (1) and used for bearing a catalyst which reacts with waste gas and purifies the waste gas, the boiling plate (7) comprises a plate body (701) and a plurality of gas through pipes (702) penetrating through the top surface of the plate body (701), a plurality of through holes penetrate through the outer peripheral surface of each gas through pipe (702) and are used for forming a conveying passage of the waste gas, the reaction tower (1) is provided with an inlet and an outlet, the boiling plate (7) is arranged above the inlet of the reaction tower (1) and used for enabling external waste gas to enter the reaction tower (1) through the inlet of the reaction tower (1) and pass through the boiling plate (7) so as to enable the catalyst placed on the boiling plate (7) to be contacted with the waste gas, and the boiling plate (7) is arranged below the outlet of the reaction tower (1) and used for enabling the gas passing through the boiling plate (7) to be discharged outwards through the outlet of the reaction tower (1).
2. The purification system for industrial waste gas capable of reacting with catalyst fully according to claim 1, wherein: reaction tower (1) is including tower body (101) and lower tower cover (103) that distribute from top to bottom, lower tower cover (103) have an entry for make outside waste gas pass through lower tower cover (103) entry and discharge into reaction tower (1), boiling plate (7) set up in the top of lower tower cover (103), reaction tower (1) is still including setting up in upper tower cover (102) on tower body (101) top, upper tower cover (102) have an export, be used for making the gas through boiling plate (7) outwards discharge through upper tower cover (102) export, be connected with the pipeline between the exit of upper tower cover (102) and the separator.
3. The purification system for allowing industrial exhaust gas to sufficiently react with a catalyst according to claim 2, wherein: the side of tower body (101) runs through there is the conveying hole, feeder with be connected with first conveying pipeline between the conveying hole for from outside to carrying the catalyst in tower body (101), the conveying hole sets up in the top of gaseous siphunculus (702), separator's bottom with be connected with the second conveying pipeline between the conveying hole, be used for making in the catalyst that is separated out sends back reaction tower (1), feeder is including the batcher, feeder still is including air compressor and frequency conversion controller for the defeated material volume of control batcher material.
4. The purification system for allowing industrial exhaust gas to sufficiently react with a catalyst according to claim 2, wherein: the top of lower tower lid (103) is fixed with first crown plate (8), the bottom mounting of tower body (101) has second crown plate (9), plate body (701) set up between first crown plate (8) and second crown plate (9), plate body (701) are disc type structure, and are a plurality of gaseous siphunculus (702) set up in the inboard of tower body (101), gaseous siphunculus (702) are hollow circular column structure.
5. The purification system for industrial waste gas capable of reacting with catalyst fully according to claim 4, wherein: the outer peripheral face of first crown plate (8) protrusion in the outer peripheral face of tower lid (103) down, the outer peripheral face protrusion in the outer peripheral face of tower body (101) of second crown plate (9), plate body (701) diameter is greater than the internal diameter of first crown plate (8) and second crown plate (9) respectively.
6. The purification system for allowing industrial exhaust gas to sufficiently react with a catalyst according to claim 1, wherein: the cooling device comprises a cooling water tank, a water pump and a heat exchanger, wherein the cooling water tank is connected with a water pipe, the water pipe is inserted into the heat exchanger in a penetrating manner, a gas transmission pipeline is connected between the heat exchanger and the cloth bag dust removal device, a temperature sensor is arranged on the gas transmission pipeline and used for detecting the temperature of cooled gas, and the cooling device further comprises a PLC control unit used for receiving temperature detection data of the temperature sensor and controlling the flow of the water pump.
7. The purification system for allowing industrial exhaust gas to sufficiently react with a catalyst according to claim 1, wherein: the device comprises a cloth bag dust removal device, and is characterized by further comprising a control device and a first gas sensor, wherein the first gas sensor is arranged at an outlet of the cloth bag dust removal device and used for detecting gas filtered by the cloth bag dust removal device, the control device comprises a second gas sensor and used for detecting components and concentration of waste gas before the waste gas enters the reaction tower (1), and the control device further comprises a controller unit used for receiving detection data of the second gas sensor and controlling the output material quantity of the feeding device according to the detection data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222644322.2U CN218553682U (en) | 2022-10-09 | 2022-10-09 | Purification system capable of enabling industrial waste gas to fully react with catalyst |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222644322.2U CN218553682U (en) | 2022-10-09 | 2022-10-09 | Purification system capable of enabling industrial waste gas to fully react with catalyst |
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| CN218553682U true CN218553682U (en) | 2023-03-03 |
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| CN202222644322.2U Active CN218553682U (en) | 2022-10-09 | 2022-10-09 | Purification system capable of enabling industrial waste gas to fully react with catalyst |
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