CN114748962A - Three-stage gas-liquid separator and urea hydrolysis reactor - Google Patents

Three-stage gas-liquid separator and urea hydrolysis reactor Download PDF

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Publication number
CN114748962A
CN114748962A CN202210381904.8A CN202210381904A CN114748962A CN 114748962 A CN114748962 A CN 114748962A CN 202210381904 A CN202210381904 A CN 202210381904A CN 114748962 A CN114748962 A CN 114748962A
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China
Prior art keywords
separation cylinder
gas
cyclone separation
separator
liquid
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Pending
Application number
CN202210381904.8A
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Chinese (zh)
Inventor
余祖伟
王立仓
孙国威
岑帆
张卫星
鲍家福
叶康军
程雁
查强
汪国春
沈永成
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Guoneng Shenwan Maanshan Power Generation Co ltd
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Guoneng Shenwan Maanshan Power Generation Co ltd
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Priority to CN202210381904.8A priority Critical patent/CN114748962A/en
Publication of CN114748962A publication Critical patent/CN114748962A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
    • B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • B01J19/0013—Controlling the temperature of the process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/0285—Heating or cooling the reactor
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/024—Purification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/08—Preparation of ammonia from nitrogenous organic substances
    • C01C1/086—Preparation of ammonia from nitrogenous organic substances from urea

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Cyclones (AREA)

Abstract

The present disclosure relates to a tertiary vapour and liquid separator and urea hydrolysis reactor, tertiary vapour and liquid separator includes: the device comprises a cyclone separation cylinder, a wire mesh defoaming separator, a corrugated plate separator and an end enclosure; the cyclone separation cylinder is vertically arranged, two ends of the cyclone separation cylinder are open, the end enclosure cover is connected to the top end of the cyclone separation cylinder and used for sealing the top end of the cyclone separation cylinder, a gas-liquid mixture inlet is formed in the side wall of the bottom end of the cyclone separation cylinder, an exhaust port is formed in the end enclosure cover, the silk screen defoaming separator and the corrugated plate separator are connected into the cyclone separation cylinder and are close to the top end of the cyclone separation cylinder, and the corrugated plate separator is located above the silk screen defoaming separator. The gas separated by the three-stage gas-liquid separator can reach a pure gas state, so that the corrosion to subsequent equipment can be reduced, the effect of blocking subsequent pipelines can be reduced, the utilization rate of the equipment can be improved, and the service life of the equipment can be prolonged.

Description

Three-stage gas-liquid separator and urea hydrolysis reactor
Technical Field
The disclosure relates to the technical field of urea treatment, in particular to a three-stage gas-liquid separator and a urea hydrolysis reactor.
Background
At present, urea hydrolysis is mainly adopted to prepare ammonia, and a catalyst is usually added in the reaction for preparing ammonia by urea hydrolysis to improve the reaction rate, so that the prepared ammonia needs to be separated to avoid the evaporation loss of the catalyst.
At present, equipment for separating gas and liquid from ammonia gas is single separation operation, the separation effect is poor, and the reduction of catalyst loss is less facilitated.
Disclosure of Invention
The utility model aims at providing a tertiary vapour and liquid separator and urea hydrolysis reactor, in order to solve the current poor problem of gas-liquid separation operation separation effect.
In order to achieve the above object, an aspect of the present disclosure provides a three-stage gas-liquid separator including: the device comprises a cyclone separation cylinder, a wire mesh defoaming separator, a corrugated plate separator and a seal cover;
the cyclone separation cylinder is vertically arranged, two ends of the cyclone separation cylinder are open, the end enclosure cover is connected to the top end of the cyclone separation cylinder and used for sealing the top end of the cyclone separation cylinder, a gas-liquid mixture inlet is formed in the side wall of the bottom end of the cyclone separation cylinder, an exhaust port is formed in the end enclosure cover, the silk screen defoaming separator and the corrugated plate separator are connected into the cyclone separation cylinder and are close to the top end of the cyclone separation cylinder, and the corrugated plate separator is located above the silk screen defoaming separator.
Optionally, a fixing seat is arranged on the side wall of the wire mesh demister, and the fixing seat is detachably connected with the inner side wall of the cyclone separation cylinder through a bolt.
Optionally, the wire mesh demister comprises a frame body and a plurality of layers of wire meshes, the plurality of layers of wire meshes are arranged in parallel in the vertical direction, and each layer of wire mesh is fixedly connected with the frame body.
Optionally, each layer of the silk screen is provided with a plurality of meshes, and the meshes of every two adjacent layers of the silk screens are arranged in a staggered manner.
Optionally, a plurality of support lugs are formed on the inner side wall of the cyclone separation cylinder close to the top end, the support lugs are distributed in an annular shape, and the corrugated plate separator is placed on the support lugs.
Optionally, the corrugated plate separator includes a housing and a plurality of corrugated plates, the plurality of corrugated plates are vertically arranged at equal intervals, a gap for gas to pass through is reserved between every two adjacent corrugated plates, each corrugated plate is connected to an inner side wall of the housing, and the top end and the bottom end of the housing are both provided with an unthreaded hole.
Optionally, the tertiary gas-liquid separator further comprises a clamping pore plate, the clamping pore plate is connected with the head sealing cover through a bolt, a fixing plate is formed at the top end of the cyclone separation cylinder, the fixing plate is connected with the clamping pore plate through a bolt, and the clamping pore plate is clamped between the cyclone separation cylinder and the head sealing cover.
Optionally, the tertiary gas-liquid separator further comprises a fixing sleeve and a fixing rod, the fixing rod is connected to the fixing sleeve, the fixing rod is used for being connected with external equipment, the bottom end of the cyclone separation cylinder penetrates into the fixing sleeve, and a locking bolt used for locking the cyclone separation cylinder is arranged on the fixing sleeve.
Another aspect of the present disclosure provides a urea hydrolysis reactor, which includes a reactor body, a heat exchanger and the above three-stage gas-liquid separator;
the reactor comprises a reactor body, a heat exchanger, a raw material inlet, a mounting port, a three-stage gas-liquid separator and a gas-liquid mixture inlet, wherein the heat exchanger is connected to the reactor body, the first end of the heat exchanger is positioned outside the reactor body, the second end of the heat exchanger is positioned in the reactor body, the first end of the heat exchanger is provided with a heat exchange medium inlet and a heat exchange medium outlet, the reactor body is provided with the raw material inlet and the mounting port, the bottom end of the three-stage gas-liquid separator is inserted into the reactor body through the mounting port, and the gas-liquid mixture inlet is positioned above the liquid level of liquid in the reactor body.
Optionally, the urea hydrolysis reactor further comprises a thermal resistor, a liquid level meter and a pressure transmitter, wherein the thermal resistor, the liquid level meter and the pressure transmitter are all connected to the reactor body;
the top of the reactor body is also provided with a safety valve, and the bottom of the reactor body is also provided with a waste liquid outlet.
Through the technical scheme, three-stage separation can be realized through the cyclone separating cylinder, the wire mesh demister and the corrugated plate separator, and the gas phase and the liquid phase in the gas-liquid mixture can be effectively separated through three separation modes, so that the gas-liquid separation rate is improved, and liquid is prevented from being carried in gas. The gas separated by the three-stage gas-liquid separator can reach a pure gas state, so that the corrosion to subsequent equipment can be reduced, the effect of blocking subsequent pipelines can be reduced, the utilization rate of the equipment can be improved, and the service life of the equipment can be prolonged.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure, but do not constitute a limitation of the disclosure. In the drawings:
FIG. 1 is a schematic structural view of a three-stage gas-liquid separator according to an embodiment of the present disclosure;
FIG. 2 is an enlarged partial view of the location A of FIG. 1 in accordance with one embodiment of the present disclosure;
FIG. 3 is a schematic structural view of a corrugated plate separator according to one embodiment of the present disclosure;
FIG. 4 is a schematic construction of a wire mesh demister separator according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural view of a fixing sleeve of an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a urea hydrolysis reactor according to an embodiment of the present disclosure.
Description of the reference numerals
1. A cyclone separation cylinder; 2. fixing the sleeve; 3. a gas-liquid mixture inlet; 4. a sealing cover; 5. a connecting seat; 6. an exhaust port; 7. a wire mesh defoaming separator; 8. clamping the orifice plate; 9. a fixing plate; 10. a corrugated plate separator; 11. supporting a lug; 12. a connecting pipe; 13. a first connecting flange; 14. an exhaust pipe; 15. a second connecting flange; 16. fixing the rod; 17. a housing; 18. a corrugated plate; 19. a frame body; 20. a fixed seat; 21. a wire mesh; 22. locking the bolt; 23. a reactor body; 24. a raw material inlet; 25. a safety valve; 26. a heat exchanger; 27. a waste liquid outlet; 28. a heat exchange medium inlet; 29. a heat exchange medium outlet; 30. a thermal resistor; 31. a pressure transmitter; 32. a liquid level detection port.
Detailed Description
The following detailed description of the embodiments of the disclosure refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" are generally defined in the direction of the drawing plane of the drawings, and "inner and outer" refer to the inner and outer of the relevant component parts. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present disclosure, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.
As shown in fig. 1-5, one aspect of the present disclosure provides a three-stage gas-liquid separator comprising: a cyclone separation cylinder 1, a wire mesh defoaming separator 7, a corrugated plate separator 10 and a head cover 4.
The vertical setting of cyclone 1, cyclone 1's both ends are uncovered, head cover 4 is connected on cyclone 1's top, head cover 4 is used for sealing cyclone 1's top, gas-liquid mixture import 3 has been seted up on cyclone 1's the bottom lateral wall, gas vent 6 has been seted up on head cover 4, silk screen removes foam separator 7 and corrugated plate separator 10 and all connects in cyclone 1 and is close to cyclone 1's top, corrugated plate separator 10 is located silk screen removes foam separator 7's top.
The gas-liquid mixture can rotate in a cyclone separation cylinder 1 in a cyclone mode, centrifugal force can be generated along with the cyclone rotation of the gas-liquid mixture, and therefore centrifugal separation of gas and liquid is achieved, and the first-stage separation effect is achieved. The liquid phase in the gas-liquid mixture after cyclone 1 initial separation can be intercepted through the silk screen demister 7 that sets up, and along with silk screen demister 7 and gas-liquid mixture's contact, the liquid phase can be condensed on silk screen demister 7, realizes second level separation. The gas-liquid mixture after being treated by the wire mesh defoaming separator 7 continuously moves upwards to contact with the corrugated plate separator 10, the length of a flow channel of the gas-liquid mixture is increased through the corrugated plate separator 10, so that the gas-liquid mixture has a speed reduction in the process of passing through the corrugated plate separator 10, and the gas phase in the gas-liquid mixture can continuously move upwards due to low density, but the kinetic energy of the liquid phase in the gas-liquid mixture is reduced, the overcoming effect on gravity is reduced, and the liquid phase moves downwards under the action of gravity, so that the third-stage separation effect under the action of gravity is realized.
Wherein, the vertical setting of cyclone 1 can make the gas-liquid mixture when upwards carrying out the whirlwind motion, and the liquid phase in the gas-liquid mixture also can subside downwards under the action of gravity, offers gas-liquid mixture import 3 at cyclone 1's lateral wall simultaneously for gas-liquid mixture can upwards form the whirlwind motion after 3 entering of gas-liquid mixture import.
In the technical scheme, three-stage separation can be realized through the cyclone separation cylinder 1, the wire mesh demister 7 and the corrugated plate separator 10, and the gas phase and the liquid phase in the gas-liquid mixture can be effectively separated through three separation modes, so that the gas-liquid separation rate is improved, and liquid is prevented from being carried in the gas. The gas separated by the three-stage gas-liquid separator can reach a pure gas state, so that the corrosion to subsequent equipment can be reduced, the effect of blocking subsequent pipelines can be reduced, the utilization rate of the equipment can be improved, and the service life of the equipment can be prolonged.
Optionally, in an embodiment of the present disclosure, the three-stage gas-liquid separator further includes a connection pipe 12 and an exhaust pipe 14, the connection pipe 12 is connected to the cyclone 1 and is communicated with the gas-liquid mixture inlet 3, and a first connection flange 13 is disposed at an end of the connection pipe 12 away from the cyclone 1. An exhaust pipe 14 is connected to the head cover 4 and communicates with the exhaust port 6, and a second connecting flange 15 is provided at an end of the exhaust pipe 14 remote from the head cover 4.
Optionally, in an embodiment of the present disclosure, a fixing seat 20 is disposed on a side wall of the wire mesh demister 7, and the fixing seat 20 is detachably connected to an inner side wall of the cyclone separation cylinder 1 through a bolt.
Wherein, in this embodiment, be provided with the connecting hole on the lateral wall of cyclone 1, be provided with the screw hole on the fixing base 20 that corresponds, the bolt can pass the connecting hole, carries out screw-thread fit with the screw hole on the fixing base 20 for fixing base 20 is connected in cyclone 1. Through this technical scheme can conveniently dismantle the washing or change of getting off to silk screen demister 7, can guarantee the separation effect to the gas-liquid, it is very convenient to dismantle simultaneously and install the operation.
Specifically, in the present embodiment, the number of the fixing bases 20 is multiple, the wire-wound mesh demister 7 of the fixing base 20 is annularly distributed, the number of the corresponding connecting holes is multiple, the connecting holes are annularly distributed around the axis of the cyclone separation cylinder 1, and each connecting hole corresponds to each fixing base 20 one by one.
In other embodiments, the wire mesh demister 7 can also be fixedly welded to the inner side wall of the cyclone separation cylinder 1, but the wire mesh demister 7 can also be connected to the inner side wall of the cyclone separation cylinder 1 by means of a snap-fit manner.
Optionally, in an embodiment of the present disclosure, the wire mesh demister 7 comprises a frame 19 and a plurality of layers of wire meshes 21, the plurality of layers of wire meshes 21 are arranged in parallel in a vertical direction, and each layer of wire mesh 21 is fixedly connected with the frame 19.
In the present embodiment, the frame 19 is used to fix multiple layers of silk screens 21, each layer of silk screen 21 is horizontally disposed, and the multiple layers of silk screens 21 are stacked, so that a multi-stage blocking effect can be achieved, and a liquid phase in a gas-liquid mixture can be more effectively separated. The principle of similar filler separation effect can be played through the multilayer wire mesh 21, when the gas-liquid mixture constantly moves upwards, the liquid phase in the gas-liquid mixture receives the interception effect of the wire mesh 21, remains the condensation on the multilayer wire mesh 21, and drops down to subside under the action of gravity when the water droplet of condensation. The fixing base 20 in the above embodiment is connected to the outer side wall of the frame 19, and the frame 19 is a cylindrical frame.
Optionally, in an embodiment of the present disclosure, each layer of the wire mesh 21 has a plurality of meshes, and the meshes of each two adjacent layers of the wire mesh 21 are staggered.
Wherein, in this embodiment, a plurality of meshs on every layer of silk screen 21 are used for the well gas phase of gas-liquid mixture to pass, and set up through the mesh on every adjacent two-layer silk screen 21 is crisscross, can play crisscross interception effect, avoid the gas-liquid mixture directly to pass multilayer silk screen 21 to improve multistage interception treatment effect, improve gas-liquid separation's effect.
Optionally, in an embodiment of the present disclosure, a plurality of support lugs 11 are formed on an inner side wall of the cyclone separation cylinder 1 near the top end, the plurality of support lugs 11 are distributed in a ring shape, and the corrugated plate separator 10 is placed on the plurality of support lugs 11.
In the embodiment, the supporting lug 11 is used for bearing the corrugated plate separator 10, one side wall of the supporting lug 11 is fixedly connected with the inner side wall of the cyclone separation cylinder 1, and the top end of the supporting lug 11 is a plane, so that the corrugated plate separator 10 is convenient to place, and the corrugated plate separator 10 is in a horizontal state. The plurality of lugs 11 are located at the same level. The corrugated plate separator 10 is carried by the support lugs 11, so that the corrugated plate separator 10 can be directly taken out when the corrugated plate separator 10 needs to be taken down for cleaning or replacement, and the corrugated plate separator 10 can be directly placed on the plurality of support lugs 11 when the corrugated plate separator 10 is installed.
Optionally, in an embodiment of the present disclosure, the corrugated plate separator 10 includes a housing 17 and a plurality of corrugated plates 18, the plurality of corrugated plates 18 are vertically disposed at equal intervals, a gap for air to pass through is left between every two adjacent corrugated plates 18, each corrugated plate 18 is connected to an inner side wall of the housing 17, and the top end and the bottom end of the housing 17 are both provided with a light hole.
In the present embodiment, the housing 17 is used for mounting and fixing the plurality of corrugated plates 18, and the plurality of corrugated plates 18 are vertically arranged at equal intervals, so that a gas-liquid mixture can pass through a gap between every two adjacent corrugated plates 18, and when the gas-liquid mixture passes through the gap, the gas-liquid mixture collides with the corrugated plates 18, so that the flow rate of the gas-liquid mixture can be reduced, the kinetic energy of the gas-liquid mixture can be consumed, and the liquid phase in the gas-liquid mixture can be settled.
Specifically, in this embodiment, the housing 17 is a hollow cylinder, and the light holes formed at the top end and the bottom end of the housing 17 can allow the gas-liquid mixture to pass through, so that the gas-liquid mixture passes through the light hole at the bottom end of the housing 17 into the housing 17, and then passes through the gap to pass through the light hole at the top end of the housing 17, thereby completing gas-liquid separation.
Optionally, in an embodiment of the present disclosure, the tertiary gas-liquid separator further includes a clamping orifice plate 8, the clamping orifice plate 8 is connected to the head cover 4 through a bolt, a fixing plate 9 is formed at the top end of the cyclone separation cylinder 1, the fixing plate 9 is connected to the clamping orifice plate 8 through a bolt, and the clamping orifice plate 8 is clamped between the cyclone separation cylinder 1 and the head cover 4.
In the embodiment, a through hole is formed in the axis of the clamping orifice plate 8, and the inner diameter of the through hole is the same as that of the cyclone separation cylinder 1, so that the top end of the cyclone separation cylinder 1 can be exposed through the through hole, and the gas in the cyclone separation cylinder 1 can enter the end enclosure 4.
Specifically, be provided with the bolt on the head cover 4, set up the screw on the centre gripping orifice plate 8, the bolt can with the screw thread fit on the centre gripping orifice plate 8 for centre gripping orifice plate 8 is fixed with head cover 4.
Specifically, fixed plate 9 integrated into one piece is on cyclone 1's top, fixed plate 9 and centre gripping orifice plate 8's top bolted connection for centre gripping orifice plate 8 is fixed on cyclone 1's top, and centre gripping orifice plate 8 is connected with head cover 4, makes head cover 4 also realize being connected with cyclone 1, and with centre gripping orifice plate 8 centre gripping between head cover 4 and cyclone 1, can play the effect that prevents the vibration through centre gripping orifice plate 8, improves joint strength.
Specifically, in this embodiment, the number of the fixing plates 9 is plural, and the plurality of fixing plates 9 are annularly distributed around the axis of the cyclone separation cylinder 1, so that multi-point fixing can be realized, and the connection strength can be improved.
Optionally, in an embodiment of the present disclosure, a connection seat 5 is formed at a top end of the cyclone separation cylinder 1, a bolt is disposed on the connection seat 5, and the bolt is connected with the clamping hole plate 8, so that the connection strength can be further improved.
Optionally, in an embodiment of the present disclosure, the three-stage gas-liquid separator further includes a fixing sleeve 2 and a fixing rod 16, the fixing rod 16 is connected to the fixing sleeve 2, the fixing rod 16 is used for being connected to an external device, the bottom end of the cyclone separation cylinder 1 penetrates into the fixing sleeve 2, and a locking bolt 22 for locking the cyclone separation cylinder 1 is disposed on the fixing sleeve 2.
Wherein, in this embodiment, fixed sleeve 2 is used for fixing cyclone 1's bottom, and fixed sleeve 2 passes through dead lever 16 fixed connection on external equipment to cyclone 1's top and bottom homoenergetic can realize fixedly, can avoid cyclone 1 to appear the problem of left and right rocking. Specifically, the fixed rods 16 are multiple, and the multiple fixed rods 16 are distributed annularly around the axis of the fixed sleeve 2, so that multi-point fixation can be realized, and the stability is improved. Specifically, the number of the fixing bars 16 is three, and triangular fixing is achieved.
Wherein, in this embodiment, the internal diameter of fixed sleeve 2 is greater than the external diameter of cyclone 1 for cyclone 1 can insert in fixed sleeve 2, and when needs fixed cyclone 1, rotatory locking bolt 22 makes locking bolt 22's screw thread end and cyclone 1's outer wall support, realizes the locking to cyclone 1. Alternatively, in this embodiment, the number of the locking bolts 22 may be multiple, and multiple locking bolts 22 are distributed annularly around the fixing sleeve 2, so as to realize multipoint locking. Of course, the number of the locking bolts 22 can also be one, and the locking is realized by rotating the locking bolts 22 to push the cyclone separating cylinder 1 to abut against the inner wall of the fixed sleeve 2.
Specifically, the bottom end of the cyclone separation cylinder 1 is open, and after the gas-liquid mixture entering the cyclone separation cylinder 1 is subjected to three-stage separation treatment, a settled liquid phase can flow out from the bottom end of the cyclone separation cylinder 1.
As shown in fig. 6, another aspect of the present disclosure also provides a urea hydrolysis reactor including a reactor body 23, a heat exchanger 26, and the above-described three-stage gas-liquid separator.
The heat exchanger 26 is connected on the reactor body 23, the first end of the heat exchanger 26 is located outside the reactor body 23, the second end of the heat exchanger 26 is located inside the reactor body 23, the first end of the heat exchanger 26 is provided with a heat exchange medium inlet 28 and a heat exchange medium outlet 29, the reactor body 23 is provided with a raw material inlet 24 and a mounting port, the bottom end of the three-stage gas-liquid separator is inserted into the reactor body 23 through the mounting port, and the gas-liquid mixture inlet 3 is located above the liquid level of the liquid in the reactor body 23.
Wherein the feed inlet 24 is for feeding urea solution and the reactor is for hydrolysis of urea. The heat exchanger 26 is used for heating the solution in the reactor, and the heat exchange medium inlet 28 and the heat exchange medium outlet 29 on the heat exchanger 26 can flow in and flow out of the heat exchange medium, so that the heating effect is maintained, and the energy recycling can be realized.
The three-stage gas-liquid separator is used for separating ammonia gas produced by urea hydrolysis reaction and carried liquid phase so as to improve the purity of the ammonia gas. The bottom end of the three-stage gas-liquid separator is positioned in the reactor body 23, so that the separated liquid phase can directly return to the reactor body 23, and the consumption of water can be supplemented. Wherein the gas-liquid mixture inlet 3 is positioned above the liquid level of the liquid in the reactor body 23, which can ensure that the gas-liquid mixture generated by the urea hydrolysis reaction enters the cyclone separation cylinder 1 through the gas-liquid mixture inlet 3.
Specifically, in the present embodiment, the raw material inlet 24 is located in the middle of the side wall of the reactor body 23, and the mounting port is located at the top end of the reactor body 23.
Optionally, in an embodiment of the present disclosure, the urea hydrolysis reactor further includes a thermal resistor 30, a level gauge and a pressure transmitter 31, and the thermal resistor 30, the level gauge and the pressure transmitter 31 are all connected to the reactor body 23.
Wherein, in this embodiment, thermal resistor 30 is used for detecting the temperature of the solution in reactor body 23, guarantees reaction temperature, and the level gauge is used for detecting the liquid level height of the solution in reactor body 23, and pressure transmitter 31 is used for detecting the pressure in reactor body 23 for conveniently controlling reaction parameters. Alternatively, in the present embodiment, the number of the thermal resistor 30, the level gauge, and the pressure transmitter 31 may be plural, and multipoint detection can be realized. Specifically, the number of the heat resistors 30, the level gauge, and the pressure transmitter 31 is three.
Specifically, in this embodiment, the liquid level meter is a radar liquid level meter, the top end of the reactor body 23 is provided with a liquid level detection port 32, and the liquid level meter is connected in the liquid level detection port 32.
Optionally, in an embodiment of the present disclosure, the top end of the reactor body 23 is further provided with a safety valve 25, and the bottom end of the reactor body 23 is further provided with a waste liquid outlet 27.
In the present embodiment, the safety valve 25 is used for exhausting air to ensure that the pressure in the reactor body 23 is within a controllable range, so as to avoid an excessive pressure. And the waste liquid outlet 27 can discharge the waste liquid in the reactor body 23, thereby facilitating operations such as cleaning the reactor body 23.
The urea hydrolysis reactor can effectively separate ammonia gas through the three-stage gas-liquid separator, can avoid liquid carried in the ammonia gas, and ensures the catalytic effect of the catalyst.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A three-stage gas-liquid separator, comprising: the device comprises a cyclone separation cylinder, a wire mesh defoaming separator, a corrugated plate separator and a seal cover;
the cyclone separation cylinder is vertically arranged, two ends of the cyclone separation cylinder are open, the end enclosure cover is connected to the top end of the cyclone separation cylinder and used for sealing the top end of the cyclone separation cylinder, a gas-liquid mixture inlet is formed in the side wall of the bottom end of the cyclone separation cylinder, an exhaust port is formed in the end enclosure cover, the silk screen defoaming separator and the corrugated plate separator are connected into the cyclone separation cylinder and are close to the top end of the cyclone separation cylinder, and the corrugated plate separator is located above the silk screen defoaming separator.
2. The three-stage gas-liquid separator according to claim 1, wherein a fixing seat is provided on a sidewall of the wire mesh demister, and the fixing seat is detachably connected with an inner sidewall of the cyclone separation cylinder by a bolt.
3. The three-stage gas-liquid separator according to claim 2, wherein the wire mesh demister comprises a frame body and a plurality of layers of wire meshes, the plurality of layers of wire meshes are arranged in parallel in the vertical direction, and each layer of wire mesh is fixedly connected with the frame body.
4. The three-stage gas-liquid separator according to claim 3 wherein each layer of said wire mesh has a plurality of mesh openings, and wherein the mesh openings of each two adjacent layers of said wire mesh are staggered.
5. The three-stage gas-liquid separator according to claim 1 wherein a plurality of lugs are formed on an inner sidewall of the cyclone barrel adjacent to the top end, the plurality of lugs are annularly distributed, and the corrugated plate separator is disposed on the plurality of lugs.
6. The three-stage gas-liquid separator according to claim 5, wherein the corrugated plate separator comprises a housing and a plurality of corrugated plates, the plurality of corrugated plates are vertically arranged at equal intervals, a gap is reserved between every two adjacent corrugated plates for gas to pass through, each corrugated plate is connected to the inner side wall of the housing, and the top end and the bottom end of the housing are provided with light holes.
7. The three-stage gas-liquid separator according to claim 1, further comprising a clamping orifice plate, wherein the clamping orifice plate is connected with the head cover through a bolt, a fixing plate is formed at the top end of the cyclone separation cylinder, the fixing plate is connected with the clamping orifice plate through a bolt, and the clamping orifice plate is clamped between the cyclone separation cylinder and the head cover.
8. The three-stage gas-liquid separator according to any one of claims 1 to 7, further comprising a fixing sleeve and a fixing rod, wherein the fixing rod is connected to the fixing sleeve, the fixing rod is used for connecting with external equipment, the bottom end of the cyclone cylinder penetrates into the fixing sleeve, and a locking bolt for locking the cyclone cylinder is arranged on the fixing sleeve.
9. A urea hydrolysis reactor comprising a reactor body, a heat exchanger and a three-stage gas-liquid separator according to any one of claims 1 to 8;
the reactor comprises a reactor body, a heat exchanger, a raw material inlet, a mounting port, a three-stage gas-liquid separator and a gas-liquid mixture inlet, wherein the heat exchanger is connected to the reactor body, the first end of the heat exchanger is positioned outside the reactor body, the second end of the heat exchanger is positioned in the reactor body, the first end of the heat exchanger is provided with a heat exchange medium inlet and a heat exchange medium outlet, the reactor body is provided with the raw material inlet and the mounting port, the bottom end of the three-stage gas-liquid separator is inserted into the reactor body through the mounting port, and the gas-liquid mixture inlet is positioned above the liquid level of liquid in the reactor body.
10. The urea hydrolysis reactor according to claim 9, further comprising a thermal resistor, a level gauge, and a pressure transmitter, the thermal resistor, the level gauge, and the pressure transmitter all connected to the reactor body;
the top of reactor body still is provided with the relief valve, the bottom of reactor body still is provided with the waste liquid export.
CN202210381904.8A 2022-04-12 2022-04-12 Three-stage gas-liquid separator and urea hydrolysis reactor Pending CN114748962A (en)

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Application Number Priority Date Filing Date Title
CN202210381904.8A CN114748962A (en) 2022-04-12 2022-04-12 Three-stage gas-liquid separator and urea hydrolysis reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210381904.8A CN114748962A (en) 2022-04-12 2022-04-12 Three-stage gas-liquid separator and urea hydrolysis reactor

Publications (1)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206652276U (en) * 2017-03-27 2017-11-21 山东明化新材料有限公司 A kind of liquid foam separator
CN111888879A (en) * 2020-09-10 2020-11-06 上海安涤实验室系统工程有限公司 Oil-gas separation equipment
CN112239219A (en) * 2020-07-30 2021-01-19 内蒙古京泰发电有限责任公司 Urea hydrolysis ammonia production equipment
CN216023912U (en) * 2021-10-26 2022-03-15 江苏双良锅炉有限公司 Steam-water mixture cyclone separation structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206652276U (en) * 2017-03-27 2017-11-21 山东明化新材料有限公司 A kind of liquid foam separator
CN112239219A (en) * 2020-07-30 2021-01-19 内蒙古京泰发电有限责任公司 Urea hydrolysis ammonia production equipment
CN111888879A (en) * 2020-09-10 2020-11-06 上海安涤实验室系统工程有限公司 Oil-gas separation equipment
CN216023912U (en) * 2021-10-26 2022-03-15 江苏双良锅炉有限公司 Steam-water mixture cyclone separation structure

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