CN110038334B - Pressurized liquid ammonia filtering system connecting device for nitric acid production - Google Patents
Pressurized liquid ammonia filtering system connecting device for nitric acid production Download PDFInfo
- Publication number
- CN110038334B CN110038334B CN201910354016.5A CN201910354016A CN110038334B CN 110038334 B CN110038334 B CN 110038334B CN 201910354016 A CN201910354016 A CN 201910354016A CN 110038334 B CN110038334 B CN 110038334B
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- pressurizing
- pipe
- filtering
- liquid ammonia
- frame
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- 238000001914 filtration Methods 0.000 title claims abstract description 87
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 54
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910017604 nitric acid Inorganic materials 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 31
- 210000000078 claw Anatomy 0.000 claims description 25
- 238000002955 isolation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000474 nursing effect Effects 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 108700018263 Brassica oleracea SCR Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a pressurized liquid ammonia filtration system connecting device for nitric acid production, which comprises a filtration pipe, wherein a pressurized branched chain is arranged at the upper end of the filtration pipe, a filtration branched chain is arranged at the lower end of the filtration pipe, and a connecting branched chain is arranged at the front end of the filtration pipe. The invention can solve the following problems of liquid ammonia filtration in the existing nitric acid process, a, the liquid ammonia needs to be conveyed into a filtration machine manually by means of the existing equipment, the operation is complex, the liquid ammonia needs to be sealed in the conveying operation, the liquid ammonia is prevented from volatilizing into the air to cause environmental pollution, the labor intensity is high, potential safety hazards exist, b, the existing filtration machine is slow in filtration speed, long in consumed time and affects the efficiency of nitric acid production, the existing filtration machine is troublesome to disassemble, the maintenance and nursing cost is high, and the cost of nitric acid production is increased.
Description
Technical Field
The invention relates to the technical field of liquid ammonia filtration equipment, in particular to a connecting device of a pressurized liquid ammonia filtration system for nitric acid production.
Background
Liquid ammonia is one of main raw materials for preparing nitric acid, the liquid ammonia needs to be filtered in the nitric acid preparation process, and the cost and the quality of the nitric acid are directly influenced by the liquid ammonia filtering process.
However, the liquid ammonia filters following difficult problem in the current nitric acid process, a, need artifically carry the liquid ammonia in the filter machine with the help of current equipment, the operation is complicated, need seal the liquid ammonia in the transport operation, avoid the liquid ammonia to volatilize and cause environmental pollution in the air, intensity of labour is big, there is the potential safety hazard, b current filter machine filtering speed is slow, consume time for a long time, influence the efficiency of nitric acid preparation production, and current filter machine dismantles the trouble, the maintenance and nursing cost is high, increase the cost of nitric acid production.
Regarding some common problems in the liquid ammonia filtration process, research has been made in the relevant trade to specific technical scheme has been proposed, for example chinese utility model patent with patent number CN205815248U a portable liquid ammonia deoiling filter equipment of coal fired power plant SCR deNOx systems, the filterable cost of liquid ammonia can be practiced thrift, but the problem that exists in the above-mentioned liquid ammonia filtration still is the difficult problem of puzzlement present liquid ammonia filtration.
Disclosure of Invention
In order to solve the problems, the invention provides a connecting device of a pressurized liquid ammonia filtering system for nitric acid production, which can solve the problems existing in the construction of the outer wall of the existing fabricated building.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: pressure type liquid ammonia filtration system connecting device for nitric acid production, including the filter tube, the filter tube upper end is provided with the pressurization branch chain, and the lower extreme of filter tube is provided with the filtration branch chain, and the front end of filter tube is provided with the connection branch chain.
The filtering pipe is a hollow three-way pipe with a T-shaped structure, fastening grooves are uniformly formed in the upper end of the filtering pipe along the circumferential direction of the filtering pipe, fastening members are arranged in the fastening grooves, and a sealing annular frame is arranged on the inner wall of the upper end of the filtering pipe; the outer wall of the lower side of the filter pipe is provided with an elastic buckle which is connected through a lantern ring, and the inner wall of the lower end of the filter pipe is provided with a placing groove along the circumferential direction; the outer wall of the front end of the filter pipe is provided with threads.
The pressurizing branch chain comprises a pressurizing support frame arranged at the upper end of the filter pipe, a pressurizing cylinder is arranged on the lower end face of the pressurizing support frame, the top end of the pressurizing cylinder is mounted on a pressurizing operation member through a flange, and the pressurizing operation member is attached to the sealing annular frame.
The pressurizing operation component comprises a pressurizing operation frame attached to the sealing annular frame, a pressurizing lifting hole is formed in the middle of the pressurizing operation frame, a pressurizing lifting rod is arranged in the pressurizing lifting hole in a sliding fit mode, the upper end of the pressurizing lifting rod is installed on a pressurizing air cylinder, a pressurizing block is installed on the lower end face of the pressurizing lifting rod, a rubber pressurizing block is included on the lower end face of the pressurizing block, and the rubber pressurizing block is attached to the inner wall of the filter pipe in a sliding fit mode.
The filtering branched chain comprises a filtering frame arranged in the placing groove in a sliding fit mode, a filtering plate is uniformly arranged in the filtering frame from top to bottom, filtering holes are formed in the filtering plate, the diameter of each filtering hole is reduced from top to bottom in sequence, an annular clamping claw is arranged at the lower end of the filtering frame and consists of a plastic material, and the cross section of the annular clamping claw is of an inverted hook structure.
The connecting branch chain comprises a connecting pipe connected with the filter pipe in a threaded engagement mode, an isolation component is arranged on the inner wall of the connecting pipe, a plugging block is arranged on the rear side of the connecting pipe, and an external connecting pipe is arranged at the front end of the connecting pipe in a threaded engagement mode.
The cover is equipped with the connection rubber piece on the outer wall of filter tube, connects the rubber piece and is located the elasticity buckle inboard, and the width of connecting the rubber piece from up increasing in proper order down.
The middle part of the pressurizing operation frame is provided with a sealing rubber cover, and the upper end face of the sealing rubber cover is sleeved on the pressurizing lifting rod.
The cross section of the pressurizing operation frame is of an outward-side upward-concave structure and is matched with the sealing ring-shaped frame, and rubber is sleeved on the sealing ring-shaped frame.
The buckling component comprises buckling claws arranged in buckling grooves through hinge pins, the buckling claws are of a Z-shaped structure, one ends of the buckling claws located on the inner sides of the buckling grooves are of arc structures, one ends of the buckling claws located on the outer sides of the buckling grooves are connected with a linkage rod through hinge pins, the lower end of the linkage rod is arranged on the driving ring through hinge pins, the driving ring is connected to the outer wall of the filter pipe in a sliding fit mode, an execution cylinder is arranged on the filter pipe, and the top end of the execution cylinder is arranged on the driving ring.
The external connecting pipe and the connecting pipe are of Z-shaped structures.
Keep apart the component and establish the isolation rubber ring on the connecting tube inner wall including the cover, the standing groove has been seted up to the symmetry on the isolation rubber ring, is equipped with the sliding block through the sliding fit mode in the standing groove, is provided with on the sliding block and presses the check lock lever, presses the check lock lever to support and lean on the outer takeover, is provided with the upset division board through the bearing between the sliding block, is provided with the spacer bar between the sliding block, and the spacer bar is circular-arc structure, and the spacer bar is located the rear side of upset division board.
The invention has the beneficial effects that:
1. the invention can solve the following problems of liquid ammonia filtration in the existing nitric acid process, a, the liquid ammonia needs to be conveyed into a filtration machine manually by means of the existing equipment, the operation is complex, the liquid ammonia needs to be sealed in the conveying operation, the liquid ammonia is prevented from volatilizing into the air to cause environmental pollution, the labor intensity is high, potential safety hazards exist, b, the existing filtration machine is slow in filtration speed and long in consumed time, the efficiency of nitric acid production is influenced, the existing filtration machine is troublesome to disassemble, the maintenance and nursing cost is high, the cost of nitric acid production is increased, the function of efficiently filtering the liquid ammonia in the nitric acid production process can be realized, the potential safety hazards do not exist, and the invention has the advantages of simple operation, convenient maintenance and the.
2. The connecting branch chain designed by the invention can be directly connected with a passageway for producing and conveying liquid ammonia during operation, the liquid ammonia does not need to be conveyed in a sealing manner, the labor intensity of operators is reduced, and potential safety hazards do not exist.
3. The pressurizing branched chain and the filtering branched chain designed in the invention can be quickly and efficiently connected with the filtering pipe, the filtering speed of the liquid ammonia can be improved, the filtering capacity of the liquid ammonia can be controlled, the liquid ammonia can be efficiently and quickly disassembled and assembled, and the maintenance and nursing cost is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a view showing a state where a fastening member of the present invention locks a pressing arm;
FIG. 4 is a diagram showing a state in which a branched chain is connected when flowing liquid ammonia according to the present invention;
FIG. 5 is a diagram showing the state of the connecting branch in the operation of the pressurizing branch of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 5, the pressurized liquid ammonia filtration system connection device for nitric acid production comprises a filtration tube 1, wherein a pressurized branched chain 2 is arranged at the upper end of the filtration tube 1, a filtration branched chain 3 is arranged at the lower end of the filtration tube 1, and a connection branched chain 4 is arranged at the front end of the filtration tube 1.
The filtering pipe 1 is a hollow three-way pipe with a T-shaped structure, fastening grooves are uniformly formed in the upper end of the filtering pipe 1 along the circumferential direction of the filtering pipe, fastening members 11 are arranged in the fastening grooves, and a sealing ring-shaped frame 12 is arranged on the inner wall of the upper end of the filtering pipe 1; the outer wall of the front end of the filter pipe 1 is provided with threads.
The connecting branch chain 4 comprises a connecting pipe 41 connected with the filter pipe 1 in a threaded engagement mode, a partition member 42 is arranged on the inner wall of the connecting pipe 41, a blocking block 43 is arranged on the rear side of the connecting pipe 41, and an external connecting pipe 44 is arranged at the front end of the connecting pipe 41 in a threaded engagement mode.
The external connection pipe 44 and the connection pipe 41 are both Z-shaped structures.
The isolation component 42 includes that the cover establishes the isolation rubber ring 421 on the connecting pipe 41 inner wall, the standing groove has been seted up to the symmetry on the isolation rubber ring 421, be equipped with sliding block 422 through the sliding fit mode in the standing groove, be provided with on the sliding block 422 and press locking lever 423, press locking lever 423 and lean on outer pipe 44, be provided with upset division board 424 through the bearing between the sliding block 422, be provided with division bar 425 between the sliding block 422, division bar 425 is circular-arc structure, and division bar 425 is located the rear side of upset division board 424.
Insert the standing groove with sliding block 422 in, isolating rod 425 has played spacing effect to the division board 424 that overturns, ensures that the division board 424 that overturns can open when liquid ammonia is carried, and control external pipe 44 is connected fixedly with connecting pipe 41 to make external pipe 44 to pressing down locking lever 423 to support tightly, guarantee the stability of the operation of division board 424 that overturns, external pipe 44 is connected with the liquid ammonia conveyer pipe, uses sealed sticky tape to seal the hookup location department. Liquid ammonia is conveyed into the filter pipe 1 through the external pipe 44 and the connecting pipe 41, and when flowing, the liquid ammonia impacts the overturning partition plate 424 to rotate the overturning partition plate 424, so that the liquid ammonia can be stably conveyed into the filter pipe 1.
The pressurizing branch chain 2 comprises a pressurizing support frame 21 placed at the upper end of the filter pipe 1, a pressurizing cylinder 22 is arranged on the lower end face of the pressurizing support frame 21, the top end of the pressurizing cylinder 22 is installed on a pressurizing operation member 24 through a flange, and the pressurizing operation member 24 is attached to the sealing annular frame 12 in an attached mode. The pressurizing cylinder 22 controls the pressurizing operation component 24 to perform pressurizing operation, and the sealing rubber cover 245 ensures air tightness during operation, so that the air pressure in the filtering pipe 1 is increased, and the overturning separation plate 424 can be closed when the air pressure is increased, so that the filtering efficiency of the liquid ammonia can be improved while the liquid ammonia is quantitatively filtered.
The pressurizing operation component 24 comprises a pressurizing operation frame 241 attached to the sealing annular frame 12, a pressurizing lifting hole is formed in the middle of the pressurizing operation frame 241, a pressurizing lifting rod 242 is arranged in the pressurizing lifting hole in a sliding fit mode, the upper end of the pressurizing lifting rod 242 is installed on the pressurizing cylinder 22, a pressurizing block 243 is installed on the lower end face of the pressurizing lifting rod 242, a rubber pressurizing block 244 is included on the lower end face of the pressurizing block 243, and the rubber pressurizing block 244 is attached to the inner wall of the filter pipe 1 in a sliding fit mode.
The middle part of the pressurizing operation frame 241 is provided with a sealing rubber cover 245, and the upper end surface of the sealing rubber cover 245 is sleeved on the pressurizing lifting rod 242.
The section of the pressurizing operation frame 241 is of an outward-side upward-concave structure and is matched with the sealing annular frame 12, and rubber is sleeved on the sealing annular frame 12.
The pressurizing operation member 24 is controlled to be placed on the sealing ring frame 12 so that the recess of the pressurizing operation frame 241 is inserted into the sealing ring frame 12, and the adjusting rubber pressurizing block 244 is attached to the inner wall of the filtering pipe 1 through the sealing ring frame 12.
The fastening member 11 comprises fastening claws 111 arranged in fastening grooves through pin shafts, the fastening claws 111 are in a Z-shaped structure, one ends of the fastening claws 111 positioned on the inner sides of the fastening grooves are in a circular arc structure, one ends of the fastening claws 111 positioned on the outer sides of the fastening grooves are connected with a linkage rod 112 through pin shafts, the lower end of the linkage rod 112 is arranged on a driving ring 113 through pin shafts, the driving ring 113 is connected to the outer wall of the filter pipe 1 in a sliding fit mode, an execution cylinder 114 is arranged on the filter pipe 1, and the top end of the execution cylinder 114 is arranged on the driving ring 113.
The actuating cylinder 114 controls the driving ring 113 to move upwards, and the fastening claws 111 are controlled to rotate by the linkage rod 112 when the driving ring 113 moves, so that the pressurizing operation frame 241 is tightly attached to the sealing ring-shaped frame 12, and the air tightness during pressurizing operation is ensured.
Be provided with elasticity buckle 13 on the outer wall of filter tube 1 downside, elasticity buckle 13 links to each other through the lantern ring, and is provided with the standing groove along its circumferential direction on the lower extreme inner wall of filter tube 1.
The cover is equipped with on the outer wall of filter tube 1 and connects block rubber 14, connects block rubber 14 to be located elastic buckle 13 inboard, and connects block rubber 14's width from up increasing in proper order down.
Insert filter frame 31 in the standing groove, control annular chucking claw 33 inserts in elasticity buckle 13, and connection rubber block 14 has ensured the leakproofness between filter frame 31 and the filter tube 1, and liquid ammonia filters the back through the filtration pore, carries in the next process.
When the invention is used;
connection operation: insert the standing groove with sliding block 422 in, isolating rod 425 has played spacing effect to the division board 424 that overturns, ensures that the division board 424 that overturns can open when liquid ammonia is carried, and control external pipe 44 is connected fixedly with connecting pipe 41 to make external pipe 44 to pressing down locking lever 423 to support tightly, guarantee the stability of the operation of division board 424 that overturns, external pipe 44 is connected with the liquid ammonia conveyer pipe, uses sealed sticky tape to seal the hookup location department.
Assembling a filtering machine; the pressurizing operation component 24 is controlled to be placed on the sealing ring-shaped frame 12, the depression on the pressurizing operation frame 241 is inserted and connected onto the sealing ring-shaped frame 12, the execution cylinder 114 controls the driving ring 113 to move upwards, the driving ring 113 controls the fastening claw 111 to rotate through the linkage rod 112 when moving, so that the pressurizing operation frame 241 is tightly attached to the sealing ring-shaped frame 12, the air tightness during pressurizing operation is ensured, the adjusting rubber pressurizing block 244 penetrates through the sealing ring-shaped frame 12 to be attached to the inner wall of the filtering pipe 1, the filtering frame 31 is inserted into the placing groove, the annular clamping claw 33 is controlled to be inserted into the elastic buckle 13, and the connecting rubber block 14 ensures the tightness between the filtering frame 31 and the filtering pipe 1.
When the filtering operation is executed: liquid ammonia is defeated to be carried in the filter tube 1 through external pipe 44 and connecting pipe 41, liquid ammonia strikes upset division board 424 when flowing, make upset division board 424 rotate, thereby can be stable carry in the filter tube 1, pressurized cylinder 22 control pressurization operation component 24 carries out the pressurization operation, the gas tightness when the operation has been ensured to sealed rubber cover 245, thereby increase the atmospheric pressure in the filter tube 1, and atmospheric pressure can make upset division board 424 close when increaseing, the ration can accelerate the filtration efficiency of liquid ammonia when carrying out the filterable to liquid ammonia, liquid ammonia filters the back through the filtration pore, carry in the next process.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. Nitric acid production is with pressurization formula liquid ammonia filtration system connecting device, including filter tube (1), its characterized in that: the upper end of the filter pipe (1) is provided with a pressurizing branch chain (2), the lower end of the filter pipe (1) is provided with a filtering branch chain (3), and the front end of the filter pipe (1) is provided with a connecting branch chain (4);
the filtering pipe (1) is a hollow three-way pipe in a T-shaped structure, fastening grooves are uniformly formed in the upper end of the filtering pipe (1) along the circumferential direction of the filtering pipe, fastening members (11) are arranged in the fastening grooves, and a sealing annular frame (12) is arranged on the inner wall of the upper end of the filtering pipe (1); an elastic buckle (13) is arranged on the outer wall of the lower side of the filter pipe (1), the elastic buckle (13) is connected through a lantern ring, and a placing groove is arranged on the inner wall of the lower end of the filter pipe (1) along the circumferential direction of the inner wall; the outer wall of the front end of the filter pipe (1) is provided with threads;
the pressurizing branch chain (2) comprises a pressurizing support frame (21) placed at the upper end of the filter pipe (1), a pressurizing cylinder (22) is arranged on the lower end face of the pressurizing support frame (21), the top end of the pressurizing cylinder (22) is installed on a pressurizing operation member (24) through a flange, and the pressurizing operation member (24) is attached to the sealing annular frame (12);
the pressurizing operation component (24) comprises a pressurizing operation frame (241) attached to the sealing annular frame (12), a pressurizing lifting hole is formed in the middle of the pressurizing operation frame (241), a pressurizing lifting rod (242) is arranged in the pressurizing lifting hole in a sliding fit mode, the upper end of the pressurizing lifting rod (242) is installed on the pressurizing cylinder (22), a pressurizing block (243) is installed on the lower end face of the pressurizing lifting rod (242), a rubber pressurizing block (244) is arranged on the lower end face of the pressurizing block (243), and the rubber pressurizing block (244) is attached to the inner wall of the filter pipe (1) in a sliding fit mode;
the filtering branched chain (3) comprises a filtering frame (31) arranged in the placing groove in a sliding fit mode, filtering plates (32) are uniformly arranged in the filtering frame (31) from top to bottom, filtering holes are formed in the filtering plates (32), the diameters of the filtering holes are sequentially reduced from top to bottom, an annular clamping claw (33) is arranged at the lower end of the filtering frame (31), the annular clamping claw (33) is made of plastic materials, and the section of the annular clamping claw (33) is of an inverted hook type structure; the annular clamping claw (33) is inserted into the elastic buckle (13);
the connecting branch chain (4) comprises a connecting pipe (41) connected with the filter pipe (1) in a threaded engagement mode, an isolating component (42) is arranged on the inner wall of the connecting pipe (41), a blocking block (43) is arranged on the rear side of the connecting pipe (41), and an external connecting pipe (44) is arranged at the front end of the connecting pipe (41) in a threaded engagement mode;
a sealing rubber cover (245) is arranged in the middle of the pressurizing operation frame (241), and the upper end face of the sealing rubber cover (245) is sleeved on the pressurizing lifting rod (242);
the section of the pressurizing operation frame (241) is of an outward-side upward concave structure and is matched with the sealing ring-shaped frame (12), and rubber is sleeved on the sealing ring-shaped frame (12);
isolation component (42) establish isolation rubber ring (421) on connecting pipe (41) inner wall including the cover, the standing groove has been seted up to isolation rubber ring (421) last symmetry, be equipped with sliding block (422) through the sliding fit mode in the standing groove, be provided with on sliding block (422) and press check lock lever (423), press check lock lever (423) and lean on external pipe (44), be provided with upset division board (424) through the bearing between sliding block (422), be provided with division pole (425) between sliding block (422), division pole (425) are circular-arc structure, and division pole (425) are located the rear side of upset division board (424).
2. The connecting device for the pressurized liquid ammonia filtration system for nitric acid production according to claim 1, wherein: the outer wall of the filter pipe (1) is sleeved with a connecting rubber block (14), the connecting rubber block (14) is located on the inner side of the elastic buckle (13), and the width of the connecting rubber block (14) is increased from bottom to top in sequence.
3. The connecting device for the pressurized liquid ammonia filtration system for nitric acid production according to claim 1, wherein: the fastening member (11) comprises fastening claws (111) arranged in fastening grooves through pin shafts, the fastening claws (111) are Z-shaped structures, one ends of the fastening claws (111) positioned on the inner sides of the fastening grooves are arc structures, one ends of the fastening claws (111) positioned on the outer sides of the fastening grooves are connected with a linkage rod (112) through the pin shafts, the lower ends of the linkage rod (112) are arranged on a driving ring (113) through the pin shafts, the driving ring (113) is connected to the outer wall of the filter pipe (1) in a sliding fit mode, an execution cylinder (114) is arranged on the filter pipe (1), and the top end of the execution cylinder (114) is arranged on the driving ring (113).
4. The connecting device for the pressurized liquid ammonia filtration system for nitric acid production according to claim 1, wherein: the external connecting pipe (44) and the connecting pipe (41) are both Z-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910354016.5A CN110038334B (en) | 2019-04-29 | 2019-04-29 | Pressurized liquid ammonia filtering system connecting device for nitric acid production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910354016.5A CN110038334B (en) | 2019-04-29 | 2019-04-29 | Pressurized liquid ammonia filtering system connecting device for nitric acid production |
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| Publication Number | Publication Date |
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| CN110038334A CN110038334A (en) | 2019-07-23 |
| CN110038334B true CN110038334B (en) | 2021-05-04 |
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| CN201910354016.5A Expired - Fee Related CN110038334B (en) | 2019-04-29 | 2019-04-29 | Pressurized liquid ammonia filtering system connecting device for nitric acid production |
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| JP5442685B2 (en) * | 2011-08-29 | 2014-03-12 | 日立Ｇｅニュークリア・エナジー株式会社 | Volume reduction method for radioactive waste |
| CN204153235U (en) * | 2014-09-26 | 2015-02-11 | 窦金玲 | Oil-smoke-exhausting fireproof check valve |
| CN205145846U (en) * | 2015-11-18 | 2016-04-13 | 叶嘉浩 | Just, dismouting filtration board |
| CN205886326U (en) * | 2016-06-27 | 2017-01-18 | 腾冲高黎贡山生态食品发展有限公司 | Tea -seed oil dregs of fat sheet frame separating centrifuge |
| CN109111946A (en) * | 2017-06-26 | 2019-01-01 | 吴志锋 | A kind of cracked oil waste residue collection device |
| CN208044530U (en) * | 2018-04-25 | 2018-11-02 | 彭凯 | A kind of computer radiator easy to disassemble and clean |
| CN208694361U (en) * | 2018-06-04 | 2019-04-05 | 常学芬 | A kind of oil exploitation silt filtering apparatus |
| CN208742145U (en) * | 2018-08-23 | 2019-04-16 | 浙江绿宇制冷配件有限公司 | A kind of multilayer stainless steel wire filter screen |
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