CN220370990U - Detachable reaction bed with sealing ring and oxyhydrogen composite device - Google Patents
Detachable reaction bed with sealing ring and oxyhydrogen composite device Download PDFInfo
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- CN220370990U CN220370990U CN202320819328.0U CN202320819328U CN220370990U CN 220370990 U CN220370990 U CN 220370990U CN 202320819328 U CN202320819328 U CN 202320819328U CN 220370990 U CN220370990 U CN 220370990U
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- sealing ring
- oxyhydrogen
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- 238000007789 sealing Methods 0.000 title claims abstract description 120
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 119
- 239000002131 composite material Substances 0.000 title claims description 17
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000003054 catalyst Substances 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 12
- 238000006555 catalytic reaction Methods 0.000 claims description 30
- 239000007789 gas Substances 0.000 claims description 30
- 239000002912 waste gas Substances 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 13
- 238000005485 electric heating Methods 0.000 claims description 10
- 238000004062 sedimentation Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 230000003197 catalytic effect Effects 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000003541 multi-stage reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 10
- 230000002285 radioactive effect Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model belongs to the technical field of sealed reactors, and particularly relates to a detachable reaction bed with a sealing ring. The reaction bed comprises a first shell, a second shell, a first sealing flange, a second sealing flange, flange connecting bolts, a reaction bed cylinder body upper end cover, a reaction bed cylinder body lower end cover, a sealing ring and a sealing gasket; the upper end cover and the lower end cover are provided with through holes, and the reaction bed cylinder is filled with a catalyst, a filler or a filter element, so that flowing materials such as gas, liquid and the like can pass through smoothly; the reaction bed cylinder body is of a columnar shell structure, so that fluid is prevented from passing through the side surface, and the reaction substances or filtering substances are ensured to be fully contacted with materials in the bed layer; the reaction bed is characterized in that a circle of sealing ring is welded on the outer circumferential surface of the opening at the upper end of the reaction bed cylinder body, and the sealing ring is directly clamped and sealed up and down and detachably connected through flange connecting bolts by the sealing flanges and sealing gaskets of the first shell and the second shell, so that the reaction bed is high-temperature resistant, good in sealing performance and convenient to detach and maintain.
Description
Technical Field
The utility model belongs to the technical field of sealed reactors, and particularly relates to a detachable reaction bed with a sealing ring and an oxyhydrogen compound device.
Background
In the chemical production process, a catalytic bed, a filter, a packed bed and other replaceable material reaction beds are often used. For these reaction beds requiring replacement of catalyst, filter element, packing, etc., the prior art is generally implemented in several ways as follows: the catalytic bed, the filter, the packed bed and the like are made into independent components, and the catalytic bed, the filter, the packed bed and the like are connected with a main device by adopting a sealing flange, so that the catalytic bed, the filter, the packed bed and the like can be replaced integrally; the other is to pour the catalyst, the filter element and the filler into the reactor in bulk and directly pour the catalyst, the filter element and the filler out for replacement when the catalyst, the filter element and the filler need to be replaced; the catalyst, the filter element and the filler are made into a whole by adopting a free filling structure, and then the catalyst, the filter element and the filler are sealed with a sealing structure on the inner side of the reactor cylinder body by a sealing component.
Patent application CN202110723678.2 discloses a can dismantle membrane reaction bed belongs to filtration equipment technical field, including the filter screen section of thick bamboo, the both ends of filter screen section of thick bamboo all can be dismantled and be connected with the locking piece, and the outside of filter screen section of thick bamboo is equipped with the filtration fibre membrane, the locking piece includes first part, first part spiral-lock is on the filter screen section of thick bamboo, and the mounting groove has been seted up to the lower terminal surface of first part, the mounting inslot activity is provided with the locking mechanism that is used for fixed filter screen section of thick bamboo and filtration fibre membrane, and the up end swing joint of first part has the second part, the holding tank has been seted up to the lower extreme of second part, be equipped with the driving piece that is used for driving the locking mechanism to lock in the holding tank, wherein, a through-hole has been seted up to the up of second part orientation to the through-hole extend and run through the second part. However, the reactor bed has the advantages of high manufacturing cost, time and labor waste for replacing a large reactor, poor economy and suitability for a small test container because the design temperature and the design pressure are consistent with those of equipment.
Patent application CN201820839591.5 discloses a three-bed five-section detachable ammonia synthesis reactor, which comprises an outer shell and an inner shell sleeved inside the outer shell, wherein three reaction beds arranged up and down are arranged in the inner shell; the three reaction sections are provided with heat exchangers, and the second reaction bed is internally provided with a second catalyst basket; the upper part of the inner shell is provided with a reduction outlet air pipe, the inlet end of the reduction outlet air pipe downwards penetrates through the first reaction bed and then enters the second reaction bed, and the inlet end is positioned above the second catalyst basket and is away from the top of the second catalyst basket. However, the reactor is suitable for materials which are easy to take out, and has the defect of difficult material taking out of bulk materials.
Patent application CN201822055207.5 discloses a leak-proof reforming reactor structure, the reactor comprises a dipleg, a sealing ring, a pressing plate and a sealing cover plate; the material leg ring is provided with a sealing ring, the upper part of the sealing ring is provided with a pressing plate, the bottom of the pressing plate is welded on the sealing cover plate, the sealing ring is arranged on the sealing cover plate, and the inner diameter side surface of the sealing cover plate is contacted with the material leg; the complexity of gap adjustment is reduced through optimizing the design of the dipleg and the sealing piece, the standard value of the gap is ensured, and the dipleg and the sealing cover plate are integrally replaced in the overhaul and replacement process of the internal parts of the reforming reactor, so that the method can be applied and has good effect; however, the sealing surfaces of the general free-filling type structure are all inside the reactor, the pretightening force is generally insufficient, a high-performance sealing gasket cannot be used, a certain problem exists in the sealing performance, and the sealing type reactor is not applicable to occasions with high sealing requirements.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a detachable reaction bed with a sealing ring, wherein a circle of sealing ring is welded on the outer circumferential surface of an opening at the upper end of a cylinder body of the reaction bed, the sealing ring is directly clamped and sealed up and down by a sealing flange of a first shell and a sealing gasket of a second shell through flange connecting bolts and is detachably connected, the replacement convenience and the tightness of parts to be maintained in the device are ensured, and the defects that the sealing performance is reduced due to the fact that the pretightening force of a rubber sealing material is limited under high temperature and high pressure conditions in the prior art are overcome by arranging the sealing ring and the sealing gasket, so that the detachable reaction bed is particularly suitable for being used for catalytic reaction beds in high temperature and high pressure reactor occasions.
The utility model is realized by the following technical scheme:
the detachable reaction bed with the sealing ring comprises a first shell, a second shell, a first sealing flange, a second sealing flange, flange connecting bolts, a reaction bed cylinder body, an upper end cover of the reaction bed cylinder body, a lower end cover of the reaction bed cylinder body, a sealing ring and a sealing gasket;
the first shell is a cylindrical shell, the upper end of the first shell is opened, and the outer circumferential surface of the lower end of the first shell is provided with a first sealing flange; the second shell is a cylindrical shell, the lower end of the second shell is opened, and a second sealing flange is processed on the outer circumferential surface of the upper end of the second shell; the first sealing flange of the first shell and the second sealing flange of the second shell are coaxially and detachably butted through flange connecting bolts, so that the first shell and the second shell are connected to form a cylindrical shell body;
the reaction bed cylinder body is a hollow cylinder with two open ends and is coaxially arranged in the second shell; the upper end of the reaction bed cylinder is provided with an upper end cover of the reaction bed cylinder, and the lower end of the reaction bed cylinder is provided with a lower end cover of the reaction bed cylinder; the lower end cover and the upper end cover are respectively provided with a through hole, and the inside of the reaction bed cylinder is filled with a catalyst, a filler or a filter element;
the upper end of the reaction bed cylinder body extends upwards to form a cylindrical structure, and the outer circumferential surface of the cylindrical structure is welded with a sealing ring; the sealing ring is arranged between the first sealing flange and the second sealing flange, and sealing gaskets are respectively arranged on the upper surface and the lower surface of the sealing ring.
Further, the lower end cover of the reaction bed cylinder body and the upper end cover of the reaction bed cylinder body with through holes are pore plates or screens.
Further, a filter element filled in the reaction bed cylinder adopts a radiation-resistant metal filter element, and the filter accuracy of the filter element is 10 mu m.
Further, the sealing ring and the reaction bed cylinder are made of the same material; the sealing gasket is a graphite gasket or a metal graphite winding gasket.
An oxyhydrogen compound device for a nuclear power station waste gas treatment system comprises an oxyhydrogen compound device shell, an electric heating pipe, a sedimentation bed, a catalytic reaction bed and a temperature sensor; the catalytic reaction bed is a detachable reaction bed with a sealing ring; the oxyhydrogen composite device is sequentially provided with an electric heating pipe, a sedimentation bed and a catalytic reaction bed from bottom to top, and a catalyst is filled in a reaction bed cylinder; the side wall of the bottom of the oxyhydrogen compound device shell is provided with a tail gas inlet, and the top of the oxyhydrogen compound device shell is provided with a tail gas outlet; temperature sensors are respectively arranged at the inlet and the outlet of the catalytic reaction bed material in the device to monitor the temperature of the material entering the catalytic reaction bed and the temperature of the material discharged from the catalytic reaction bed;
after the waste gas to be treated enters from the tail gas inlet pipeline, the waste gas is preheated through an electric heating pipe at the bottom of the housing of the oxyhydrogen composite device, enters a catalytic reaction bed after passing through a sedimentation bed for mixing and dispersing, and the hydrogen and the oxygen in the tail gas are subjected to catalytic composite reaction in the catalytic reaction bed, and the reacted gas is discharged through a tail gas outlet.
The beneficial effects are that:
(1) The utility model provides a detachable reaction bed with a sealing ring, wherein a circle of sealing ring is welded on the outer circumference surface of an opening at the upper end of a reaction bed cylinder body, the sealing ring is directly clamped and sealed up and down by a sealing flange and a sealing gasket of a first shell and a second shell through flange connecting bolts and is detachably connected, the replacement convenience and the tightness of parts to be maintained in the device are ensured,by arranging the sealing ring and the sealing gasket, the defect that the sealing performance is reduced due to the fact that the pretightening force of the rubber sealing material is limited under the high-temperature and high-pressure condition in the prior art is overcome, and the rubber sealing material is particularly suitable for being used for a catalytic reaction bed in a high-temperature and high-pressure reactor occasion; the reaction bed may allow 100% of the gas or liquid to be treated to flow through the reaction bed; because the pressure difference between the inside and the outside of the reaction bed cylinder is small, the design of the reaction bed cylinder, the upper end face of the reaction bed and the lower end face of the reaction bed does not need to consider the pressure resistance, thereby greatly reducing the equipment cost; the sealing ring of the reaction bed cylinder body is matched with the sealing flange of the shell for use, and the leakage rate can be less than 10 -8 Pa.m 3 And/s, and the whole replacement of the reaction bed cylinder body is more convenient, and the reaction bed cylinder body can be directly taken out for replacement after the equipment flange is detached.
(2) The utility model provides a detachable reaction bed with a sealing ring, wherein a catalyst, a filler or a filter element can be placed in a reaction bed cylinder of the detachable reaction bed, so that the detachable reaction bed is applied to an oxyhydrogen compound device or a high-temperature waste gas filter device containing radioactive solid particles of a waste gas treatment system of a nuclear power station, and has wide application range; in particular, it can be used as a high temperature radioactive solid particle-containing exhaust gas filter.
(3) The utility model provides a detachable reaction bed with a sealing ring, wherein the sealing ring of the reaction bed is made of the same material as a cylinder of the reaction bed, and a sealing gasket of the reaction bed is a graphite gasket or a metal graphite winding gasket, and has better high temperature resistance and radiation resistance compared with a rubber sealing gasket.
Drawings
FIG. 1 is a schematic view of a detachable reaction bed with a seal ring according to the present utility model;
FIG. 2 is a schematic view of an oxyhydrogen composite apparatus of an exhaust gas treatment system of a nuclear power plant according to embodiment 2;
the device comprises a first shell, a first sealing flange, a second sealing flange, a 4-flange connecting bolt, a second shell, a lower end cover of a 6-reaction bed cylinder, a 7-reaction bed cylinder, an upper end cover of an 8-reaction bed cylinder, a 9-sealing ring, a 10-sealing gasket, an 11-tail gas inlet, a 12-electric heating pipe, a 13-settling bed, a 14-detachable reaction bed with a sealing ring, a 15-oxyhydrogen composite device shell, a 16-temperature sensor A, a 17-tail gas outlet and an 18-temperature sensor B.
Detailed Description
The utility model will now be described in detail by way of example with reference to the accompanying drawings.
Example 1
The embodiment provides a detachable reaction bed with a sealing ring, as shown in fig. 1, wherein the reaction bed comprises a first shell 1, a second shell 5, a first sealing flange 2, a second sealing flange 3, flange connecting bolts 4, a reaction bed cylinder 7, a reaction bed cylinder upper end cover 8, a reaction bed cylinder lower end cover 6, a sealing ring 9 and a sealing gasket 10;
the first shell 1 is a cylindrical shell, the upper end of the first shell 1 is opened, and the outer circumferential surface of the lower end of the first shell 1 is provided with a first sealing flange 2; the second shell 5 is a cylindrical shell, the lower end of the second shell 5 is opened, and the outer circumferential surface of the upper end of the second shell 5 is provided with a second sealing flange 3; the first sealing flange 2 of the first shell 1 and the second sealing flange 3 of the second shell 5 are coaxially and detachably butted through flange connecting bolts 4, so that the first shell 1 and the second shell 2 are connected to form a cylindrical shell body;
the reaction bed cylinder 7 is a hollow cylinder with two open ends, the reaction bed cylinder 7 is coaxially arranged in the second shell 5, the upper end of the reaction bed cylinder 7 is provided with a reaction bed cylinder upper end cover 8, and the lower end of the reaction bed cylinder 7 is provided with a reaction bed cylinder lower end cover 6; the lower end cover 6 of the reaction bed cylinder body and the upper end cover 8 of the reaction bed cylinder body adopt pore plates or screens, the inside of the reaction bed cylinder body 7 is filled with catalysts, fillers or filter elements, the catalyst, fillers or filter elements in the lower end cover 6 of the reaction bed cylinder body, the upper end cover 8 of the reaction bed cylinder body and the reaction bed cylinder body 7 adopt the pore plates or screens can enable external gas or liquid flowing materials to smoothly pass through the reaction bed cylinder body, the reaction bed cylinder body 7 is of a cylindrical shell structure, external gas or liquid can be prevented from passing through from the side surface, and the external gas or liquid is ensured to fully contact with the catalysts, fillers or filter elements in the reaction bed cylinder body 7;
the upper end of the reaction bed cylinder 7 extends upwards to form a cylindrical structure, the outer circumferential surface of the cylindrical structure is welded with a sealing ring 9, and the sealing ring 9 is made of the same material as the reaction bed cylinder 7; and the sealing ring 9 is arranged between the first sealing flange 2 and the second sealing flange 3, the upper surface and the lower surface of the sealing ring 9 are respectively provided with a sealing gasket 10, and the sealing gaskets 10 are graphite gaskets or metal graphite winding gaskets.
Example 2
The embodiment provides an application of the detachable reaction bed with the sealing ring in the embodiment 1, wherein the detachable reaction bed with the sealing ring is used in an oxyhydrogen compound device of a nuclear power station waste gas treatment system; specifically, as shown in fig. 2, the oxyhydrogen compound device of the nuclear power station exhaust gas treatment system comprises an oxyhydrogen compound device shell 15, an electric heating pipe 12, a sedimentation bed 13, a catalytic reaction bed 14, a temperature sensor B18 and a temperature sensor a16;
the electric heating pipe 12, the sedimentation bed 13 and the catalytic reaction bed 14 are sequentially arranged in the oxyhydrogen composite device shell 15 from bottom to top; the side wall of the bottom of the oxyhydrogen compound device shell 15 is provided with a tail gas inlet 11, and the top of the oxyhydrogen compound device shell 15 is provided with a tail gas outlet 17; the inlet and outlet of the catalytic reaction bed 14 in the device are respectively provided with a temperature sensor B18 and a temperature sensor A16, and the temperature of materials entering the catalytic reaction bed and the temperature of materials discharged from the catalytic reaction bed are monitored; the catalytic reaction bed 14 in the oxyhydrogen composite device is a detachable reaction bed with a sealing ring as described in embodiment 1, and is convenient to replace and install.
As shown in fig. 2, after the waste gas to be treated enters from a tail gas inlet 11 pipeline, firstly, the waste gas is preheated by an electric heating pipe 12 at the bottom of a hydrogen-oxygen composite device shell 15, and enters a catalytic reaction bed 14 after passing through a sedimentation bed 13 for mixing and dispersing, hydrogen and oxygen in the tail gas undergo catalytic composite reaction in the catalytic reaction bed 14, and the reacted gas is discharged through a tail gas outlet 17; the device shell 15 is made of DN400 stainless steel, the design pressure is 1MPa, the design pressure is 450 ℃, the wall thickness of the device shell 15 is 6mm, wherein the material of a reaction bed cylinder 7 of the catalytic reaction bed 14 is a steel plate with the wall thickness of 2mm, a lower end cover 6 of the reaction bed is a mesh plate with a screen, and the mesh plate is fixed with the inner circumferential surface of the lower port of the reaction bed cylinder by spot weldingThe upper end cover 8 of the reaction bed is a movable pore plate and is detachably arranged at the upper port of the reaction bed cylinder body, so that the catalyst can be filled in the reaction bed cylinder body in a detachable way; the maximum treatment capacity of the oxyhydrogen composite device of the nuclear power station waste gas treatment system is as follows: tail gas 250m with hydrogen content of 0-3% 3 /h。
According to measurement, when the temperature sensor B18 measures that the inlet temperature of the catalytic reaction bed 14 is 100-150 ℃, the outlet hydrogen concentration of the device is less than 10ppm, and the hydrogen treatment efficiency is close to 100%; because the tail gas contains radioactive substances, after the catalyst is used for a period of time, the catalyst performance is reduced, and the catalytic reaction bed 14 is directly taken out to be used as the solid hazardous waste treatment of the nuclear power station to replace a new catalytic reaction bed.
Example 3
In the embodiment, on the basis of the embodiment 1, a radiation-resistant metal filter element is filled in a reaction bed cylinder 7 to obtain a detachable reaction bed with a sealing ring; the detachable reaction bed with the sealing ring can be used as a high-temperature waste gas filter containing radioactive solid particles and used for filtering the radioactive solid particles in the high-temperature waste gas containing the radioactive solid particles;
specifically, the high-temperature waste gas containing radioactive solid particles is introduced from one side of the waste gas filter, and the radioactive solid particles are filtered after passing through the waste gas filter by taking the flow direction of the waste gas as the forward flow at the moment; after the pressure difference between the front and the back of the filter is more than or equal to 1MPa, the pipeline starts a back flushing program to remove the radioactive solid particles filtered by the filter, and then the radioactive solid particles enter a forward flowing filtering program again.
The high-temperature radioactive solid particle-containing waste gas filter has a pipeline pressure resistance of 10MPa, a shell pressure resistance of 2MPa, and a radiation-resistant metal filter core with a filtering precision of 10 mu m, and can work for a long time at high temperature and high radiation.
In summary, the above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims (5)
1. From detachable reaction bed of taking sealing ring, its characterized in that: the reaction bed comprises a first shell, a second shell, a first sealing flange, a second sealing flange, flange connecting bolts, a reaction bed cylinder body upper end cover, a reaction bed cylinder body lower end cover, a sealing ring and a sealing gasket;
the first shell is a cylindrical shell, the upper end of the first shell is opened, and the outer circumferential surface of the lower end of the first shell is provided with a first sealing flange; the second shell is a cylindrical shell, the lower end of the second shell is opened, and a second sealing flange is processed on the outer circumferential surface of the upper end of the second shell; the first sealing flange of the first shell and the second sealing flange of the second shell are coaxially and detachably butted through flange connecting bolts, so that the first shell and the second shell are connected to form a cylindrical shell body;
the reaction bed cylinder body is a hollow cylinder with two open ends and is coaxially arranged in the second shell; the upper end of the reaction bed cylinder is provided with an upper end cover of the reaction bed cylinder, and the lower end of the reaction bed cylinder is provided with a lower end cover of the reaction bed cylinder; the lower end cover and the upper end cover are respectively provided with a through hole, and the inside of the reaction bed cylinder is filled with a catalyst, a filler or a filter element;
the upper end of the reaction bed cylinder body extends upwards to form a cylindrical structure, and the outer circumferential surface of the cylindrical structure is welded with a sealing ring; the sealing ring is arranged between the first sealing flange and the second sealing flange, and sealing gaskets are respectively arranged on the upper surface and the lower surface of the sealing ring.
2. A detachable reaction bed with a sealing ring according to claim 1, characterized in that: the lower end cover of the reaction bed cylinder body and the upper end cover of the reaction bed cylinder body with through holes are pore plates or screens.
3. A detachable reaction bed with a sealing ring according to claim 1, characterized in that: the filter element filled in the reaction bed cylinder adopts a radiation-resistant metal filter element, and the filter accuracy of the filter element is 10 mu m.
4. A detachable reaction bed with a sealing ring according to claim 1 or 2, characterized in that: the sealing ring and the reaction bed cylinder are made of the same material; the sealing gasket is a graphite gasket or a metal graphite winding gasket.
5. The utility model provides a oxyhydrogen composite device, oxyhydrogen composite device is used for nuclear power station exhaust-gas treatment system, its characterized in that: the oxyhydrogen composite device comprises an oxyhydrogen composite device shell, an electric heating pipe, a sedimentation bed, a catalytic reaction bed and a temperature sensor;
the catalytic reaction bed is a detachable reaction bed with a sealing ring according to any one of claims 1 to 4;
the oxyhydrogen composite device is sequentially provided with an electric heating pipe, a sedimentation bed and a catalytic reaction bed from bottom to top, and a catalyst is filled in a reaction bed cylinder;
the side wall of the bottom of the oxyhydrogen compound device shell is provided with a tail gas inlet, and the top of the oxyhydrogen compound device shell is provided with a tail gas outlet;
temperature sensors are respectively arranged at the inlet and the outlet of the catalytic reaction bed material in the oxyhydrogen composite device to monitor the temperature of the material entering the catalytic reaction bed and the temperature of the material discharged from the catalytic reaction bed;
after the waste gas to be treated enters from the tail gas inlet pipeline, the waste gas is preheated through an electric heating pipe at the bottom of the housing of the oxyhydrogen composite device, enters a catalytic reaction bed after passing through a sedimentation bed for mixing and dispersing, and the hydrogen and the oxygen in the tail gas are subjected to catalytic composite reaction in the catalytic reaction bed, and the reacted gas is discharged through a tail gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320819328.0U CN220370990U (en) | 2023-04-13 | 2023-04-13 | Detachable reaction bed with sealing ring and oxyhydrogen composite device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320819328.0U CN220370990U (en) | 2023-04-13 | 2023-04-13 | Detachable reaction bed with sealing ring and oxyhydrogen composite device |
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| Publication Number | Publication Date |
|---|---|
| CN220370990U true CN220370990U (en) | 2024-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320819328.0U Active CN220370990U (en) | 2023-04-13 | 2023-04-13 | Detachable reaction bed with sealing ring and oxyhydrogen composite device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220370990U (en) |
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2023
- 2023-04-13 CN CN202320819328.0U patent/CN220370990U/en active Active
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