Zoned urea hydrolyzer

By designing a partitioned urea hydrolyzer, the problem of temperature instability in the urea hydrolysis reactor when the ammonia demand changes is solved, enabling flexible adjustment of the reaction temperature and reducing the risk of crystallization.

WO2026000780A1PCT designated stage Publication Date: 2026-01-02XIAN THERMAL POWER RES INST CO LTD
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Patent Information

Application Number
PCT/CN2024/132348
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-06-26
Filing Date
2024-11-15
Publication Date
2026-01-02

AI Technical Summary

Technical Problem

Existing urea hydrolysis reactors have difficulty maintaining the reaction temperature close to the design value when the ammonia demand of the unit changes, which increases the risk of crystallization and makes operation inflexible.

Method used

The urea hydrolyzer employs a partitioned design, which uses a structure including an isolation section, a sealing section, a support section, a connecting section, and an output section to achieve partitioned control and temperature regulation, ensuring that the reaction temperature is close to the design value.

Benefits of technology

This improved the matching between the ammonia production from urea hydrolysis and the ammonia demand of the unit, reduced the risk of crystallization, and enhanced operational flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

Disclosed in the present invention is a zoned urea hydrolyzer, comprising a zoned mechanism. The zoned mechanism comprises a hydrolysis reactor, an isolation part arranged in the hydrolysis reactor, a blocking part arranged on the isolation part, a support part arranged on the isolation part, a communication part arranged on the support part, an output part arranged on the hydrolysis reactor, and a first pressing part arranged on the output part. In the zoned urea hydrolyzer, a reaction in the urea hydrolyzer is zoned, when the ammonia demand of a unit decreases, in order to ensure that the temperature of the urea hydrolysis reaction is close to a designed value (155°C), a certain zone may be selectively activated for hydrolysis reaction, so as to increase the temperature of a product gas generated from the hydrolysis and reduce the risk of crystallization; and the unreacted hydrolysis zones are in a hot standby state, a urea solution is not continuously introduced, and only a small amount of steam is introduced to maintain the temperature of the solution. The present invention enables better matching of the ammonia production of the urea hydrolysis reaction with the ammonia demand of the unit, thereby improving the flexibility of urea hydrolysis operation.
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Description

Partitioned urea hydrolyzer TECHNICAL FIELD

[0001] The present application relates to the technical field of urea hydrolysis, in particular to a partitioned urea hydrolyzer. BACKGROUND

[0002] The urea hydrolysis reaction is generally that a urea solution with a mass concentration of about 50% is injected into a hydrolysis reactor, and after being heated to a certain temperature (generally 130-160 DEG C) and pressure (about 0.6 MPa), the hydrolysis reaction is generated to generate ammonia, carbon dioxide and water vapor, and the product gas generated by the hydrolysis is sent into an ammonia-air mixer and mixed with hot dilution air and then sent into an ammonia injection grid.

[0003] For a plurality of unit denitration systems, the urea hydrolysis reactor generally adopts a public system, and the ammonia output of the running hydrolysis reactor at least meets the requirement of 100% of the total ammonia demand of the entire plant unit, and a standby hydrolysis reactor is provided, when the unit is running at low load or part of the unit is shut down for maintenance, the total ammonia demand is small, at this time, the output of the hydrolysis reactor is also small, the running temperature is relatively low, and the risk of crystallization in the product gas conveying process is also higher. SUMMARY

[0004] In view of the above problems existing in the prior art partitioned urea hydrolyzer, the present application is proposed.

[0005] Therefore, the purpose of the present application is to provide a partitioned urea hydrolyzer, which aims to: adjust the hydrolysis reactor according to the ammonia demand of the unit, and ensure that the urea hydrolysis reaction temperature is close to the design value.

[0006] To solve the above technical problems, the present application provides the following technical scheme: comprising,

[0007] The partition mechanism comprises a hydrolysis reactor, an isolation part arranged in the hydrolysis reactor, a blocking part arranged on the isolation part, a support part arranged on the isolation part, a communication part arranged on the support part, an output part arranged on the hydrolysis reactor, a first extrusion part arranged on the output part, and a second extrusion part arranged on the output part.

[0008] The handle mechanism comprises a connecting part arranged on the output part, a handle part arranged on the hydrolysis reactor, and a steam part arranged on the hydrolysis reactor.

[0009] As a preferred scheme of the partitioned urea hydrolyzer of the present application, wherein: the isolation part comprises a partition plate arranged in the hydrolysis reactor, and the partition plate is provided with two through holes.

[0010] As a preferred scheme of the partitioned urea hydrolyzer, the blocking part comprises a blocking spring rod arranged on the partition plate, a blocking spring arranged on the blocking spring rod, a blocking plate arranged on the blocking spring rod and matched with the through hole, and a blocking pad arranged on the blocking plate.

[0011] As a preferred scheme of the partitioned urea hydrolyzer, the support part comprises a support rod arranged on the partition plate and a support ring arranged on the support rod and matched with the through hole.

[0012] As a preferred scheme of the partitioned urea hydrolyzer, the communication part comprises a communication pipe arranged in the support ring, a first communication hole arranged on the communication pipe, a second communication hole arranged on the communication pipe, a pressing head arranged on the communication pipe, a tail blocking plate arranged on the communication pipe, and a protrusion arranged on the tail blocking plate.

[0013] As a preferred scheme of the partitioned urea hydrolyzer, the output part comprises an output pipe arranged on the hydrolysis reactor, an output hole arranged on the output pipe, and an output rotating disc arranged on the output pipe.

[0014] As a preferred scheme of the partitioned urea hydrolyzer, the first pressing part comprises a first pressing arc-shaped plate arranged on the output rotating disc, a first limiting arc-shaped groove arranged on the first pressing arc-shaped plate and matched with the protrusion, and a first blocking plate arranged on the first pressing arc-shaped plate.

[0015] As a preferred scheme of the partitioned urea hydrolyzer, the second pressing part comprises a second pressing arc-shaped plate arranged on the output rotating disc, a pressing sector-shaped plate arranged on the output rotating disc and connected with the second pressing arc-shaped plate, a second limiting arc-shaped groove arranged on the second pressing arc-shaped plate, a sector-shaped groove arranged on the pressing sector-shaped plate, and an arc surface arranged between the second limiting arc-shaped groove and the sector-shaped groove.

[0016] As a preferred scheme of the partitioned urea hydrolyzer, the connecting part comprises a rotating joint arranged on the output pipe and a connecting female pipe arranged on the rotating joint.

[0017] The handle part comprises a handle arranged on the output pipe, a threaded base arranged on the hydrolysis reactor, a threaded rod arranged on the threaded base, and a resisting block arranged on the threaded rod and matched with the handle.

[0018] As a preferred scheme of the partitioned urea hydrolyzer, the steam part comprises steam branch pipes arranged on the hydrolysis reactor, a steam main pipe arranged on the steam branch pipes, a hydrophobic branch pipe arranged on the hydrolysis reactor, and a hydrophobic main pipe arranged on the hydrophobic branch pipe.

[0019] The present application has the following advantages: the urea hydrolysis reaction is divided into several parts, when the ammonia requirement of the unit is reduced, in order to ensure that the urea hydrolysis reaction temperature is close to the design value (155℃), a certain partition can be selected to start the hydrolysis reaction to improve the temperature of the hydrolysis product gas and reduce the risk of crystallization; the hydrolysis partitions that do not continue to react are in a hot standby state, and no urea solution is continuously fed, only a small amount of steam is fed to maintain the solution temperature, which can make the ammonia production of the urea hydrolysis reaction more matched with the ammonia requirement of the unit, and improve the operation flexibility of the urea hydrolysis. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort. Among them:

[0021] Fig. 1 is a schematic diagram of the overall structure of the partitioned urea hydrolyzer of the present application.

[0022] Fig. 2 is a schematic diagram of the structure of the isolation part of the partitioned urea hydrolyzer of the present application.

[0023] Fig. 3 is a schematic diagram of the structure of the second extrusion part of the partitioned urea hydrolyzer of the present application.

[0024] Fig. 4 is a schematic diagram of the structure of the first extrusion part of the partitioned urea hydrolyzer of the present application.

[0025] Fig. 5 is a schematic diagram of the structure of the communication part of the partitioned urea hydrolyzer of the present application.

[0026] Fig. 6 is a schematic diagram of the local enlarged view of A in Fig. 2 of the partitioned urea hydrolyzer of the present application.

[0027] Fig. 7 is a schematic diagram of the partitioned urea hydrolyzer of the present application. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0029] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details set forth in this description. In other instances, well-known methods, procedures, components, and circuits have not been described in detail so as not to unnecessarily obscure aspects of the present application.

[0030] Second, the "one embodiment" or "an embodiment" as used herein means a specific implementation, or example, that can include features that are not included in other implementations, or examples. However, examples can or can not be mutually exclusive, and the inclusion of a feature does not exclude other embodiments from also including this feature. This is not intended to be limiting.

[0031] Third, the present application is described in relation to block diagrams that functionally illustrate the aspects of the described embodiments. The division of various system components into separate functional blocks is for illustrative purposes. Real implementations can have different configurations and components than that described herein, and these configurations and components can be combined or divided in different ways. Furthermore, the described components can be implemented as discrete components or sub-components, or can be implemented using one or more integrated circuits (ICs), such as ASICs. Actual connections can also be different from those shown. The described embodiments are therefore not limited to the specific, non-limiting configurations described herein.

[0032] Embodiment 1

[0033] Referring to FIGS. 1-7, a first embodiment of the present application is provided, which is a partitioned urea hydrolyzer. The device includes,

[0034] The partitioning mechanism 100 includes a hydrolysis reactor 101, a partition 102 disposed in the hydrolysis reactor 101, a blocking portion 103 disposed on the partition 102, a support portion 104 disposed on the partition 102, a communication portion 105 disposed on the support portion 104, an output portion 106 disposed on the hydrolysis reactor 101, a first extrusion portion 107 disposed on the output portion 106, and a second extrusion portion 108 disposed on the output portion 106.

[0035] The handle mechanism 200 includes a connecting portion 201 disposed on the output portion 106, a handle portion 202 disposed on the hydrolysis reactor 101, and a steam portion 203 disposed on the hydrolysis reactor 101.

[0036] During use, according to the ammonia requirement of the unit, one partition, two partitions or three partitions are selected to react, when only one partition is required to react, the steam adjusting valves of the partition 1 and the partition 3 are adjusted to keep the partition 1 and the partition 3 in a hot standby state, and the partition 2 is reacted, and the product gas of the partition 2 is transported through the output part 106, when two partitions are required to react, the handle part 202 is rotated to drive the output part 106 to rotate the second extrusion part 108, the second extrusion part 108 rotates to extrude one of the communication parts 105, the communication part 105 moves to extrude the blocking part 103, thereby connecting the partition 1 and the partition 2, and the product gas of the two partitions is transported through the output part 106, when three partitions are required to react, the handle part 202 is continuously rotated to drive the output part 106 to rotate, the output part 106 drives the second extrusion part 108 to continuously rotate, the second extrusion part 108 keeps extruding one of the communication parts 105, and meanwhile the output part 106 drives the first extrusion part 107 to extrude the other communication part 105, thereby connecting the partition 2 and the partition 3, so that the product gas of the three partitions is transported through the output part 106.

[0037] Embodiment 2

[0038] Referring to FIGS. 1-4 and 7, the second embodiment of the present application is different from the first embodiment in that the isolation part 102 includes two baffles 102a arranged in the hydrolysis reactor 101, and the baffles 102a are provided with through holes 102b.

[0039] Preferably, the baffle 102a is made of 2205 stainless steel, has high strength, good impact toughness, and good overall and local stress and corrosion resistance, and is circular in shape, the baffle 102a divides the cavity of the hydrolysis reactor 101 into three parts, each part is provided with a separate steam coil and a urea solution inlet, the steam coil interface is arranged in the radial direction of the hydrolysis reactor, and the ammonia gas output of a single hydrolysis partition is about 1 / 3 of the total output.

[0040] Further, when the ammonia requirement of the unit is small, only one or two hydrolysis partitions need to be started to meet the denitration requirement, since the ammonia gas output of the running hydrolysis partition is relatively large, the reaction temperature is also closer to the design value, and the risk of product gas crystallization is reduced;

[0041] Further, the reaction temperature of the urea hydrolysis reactor is generally between 130-160℃, the higher the temperature, the greater the ammonia output, when the ammonia requirement of the unit is small, the supply of urea solution and steam of the hydrolysis reactor can be reduced, but the reaction temperature is also relatively low, and the risk of crystallization during product gas transportation will increase, the present application is designed as three compartments, when the ammonia requirement is small, one of the compartments is put into operation, the ammonia output of the compartment is close to the ammonia requirement, and the reaction temperature is also relatively high.

[0042] The blocking part 103 comprises a blocking spring rod 103a arranged on the partition plate 102a, a blocking spring 103b arranged on the blocking spring rod 103a, a blocking plate 103c arranged on the blocking spring rod 103a and matched with the through hole 102b, and a blocking pad 103d arranged on the blocking plate 103c.

[0043] Preferably, the blocking spring rod 103a is arranged on the partition plate 102a in sliding mode, the blocking spring 103b provides pressure for the blocking plate 103c to block the through hole 102b, and the blocking pad 103d is made of polytetrafluoroethylene, which has excellent chemical corrosion resistance and a wide temperature resistance range.

[0044] The support part 104 comprises a support rod 104a arranged on the partition plate 102a and a support ring 104b arranged on the support rod 104a and matched with the through hole 102b.

[0045] Preferably, the support rod 104a is in an "L" shape and arranged staggered with the blocking spring rod 103a to ensure normal use of the device, and the support ring 104b is used for mounting the communication pipe 105a which is arranged in the support ring 104b in sliding mode.

[0046] The communication part 105 comprises the communication pipe 105a arranged in the support ring 104b, a first communication hole 105b arranged on the communication pipe 105a, a second communication hole 105c arranged on the communication pipe 105a, an extrusion head 105d arranged on the communication pipe 105a, a tail sealing plate 105e arranged on the communication pipe 105a, and a protrusion 105f arranged on the tail sealing plate 105e.

[0047] Preferably, the communication pipe 105a is a pipe body to ensure that product gas can pass through the communication pipe 105a, the first communication hole 105b allows product gas in the partition 1 or the partition 3 to enter the communication pipe 105a, the second communication hole 105c allows product gas in the communication pipe 105a to enter the partition 2 to ensure the communication effect of the device, the extrusion head 105d facilitates the communication pipe 105a to enter the through hole 102b, the tail sealing plate 105e is not only used for mounting the protrusion 105f but also ensures that product gas can flow out through the second communication hole 105c, the protrusion 105f is in a semispherical shape to reduce friction and increase the service life of the device, and the movement of the communication pipe 105a is more smooth, and the first limiting arc-shaped slot 107b, the second limiting arc-shaped slot 108c and the fan-shaped slot 108d are arranged to limit the communication pipe 105a and increase the stability of the communication pipe 105a.

[0048] The output part 106 comprises an output pipe 106a arranged on the hydrolysis reactor 101, an output hole 106b arranged on the output pipe 106a, and an output rotating disc 106c arranged on the output pipe 106a.

[0049] Preferably, the output pipe 106a is rotatably arranged on the hydrolysis reactor 101, and the output hole 106b is located below the output pipe 106a, so that the output hole 106b is located in the hydrolysis reactor 101, thereby ensuring that the product gas can enter the output pipe 106a through the output hole 106b, and the output rotating disc 106c is fixedly arranged at the end of the output pipe 106a.

[0050] The first extrusion part 107 includes a first extrusion arc-shaped plate 107a arranged on the output rotating disc 106c, a first limiting arc-shaped groove 107b arranged on the first extrusion arc-shaped plate 107a and matched with the protrusion 105f, and a first baffle 107c arranged on the first extrusion arc-shaped plate 107a.

[0051] Preferably, the arc surface of the first extrusion arc-shaped plate 107a can ensure that the first communication hole 105b extends through the partition 102a, and the second communication hole 105c is located in the second partition 2, thereby ensuring normal use of the device, and the first extrusion arc-shaped plate 107a is rotated by 90 degrees to displace the communication pipe 105a to the maximum stroke.

[0052] The second extrusion part 108 includes a second extrusion arc-shaped plate 108a arranged on the output rotating disc 106c, an extrusion fan-shaped plate 108b arranged on the output rotating disc 106c and connected with the second extrusion arc-shaped plate 108a, a second limiting arc-shaped groove 108c arranged on the second extrusion arc-shaped plate 108a, a fan-shaped groove 108d arranged on the extrusion fan-shaped plate 108b, and an arc surface 108e arranged between the second limiting arc-shaped groove 108c and the fan-shaped groove 108d.

[0053] Preferably, the second extrusion arc-shaped plate 108a has the same shape as the first extrusion arc-shaped plate 107a, and the included angle between the second extrusion arc-shaped plate 108a and the first extrusion arc-shaped plate 107a is 90 degrees, so that the output rotating disc 106c is rotated by 90 degrees to displace the left communication pipe 105a to the maximum stroke and displace the right communication pipe 105a to the stroke of 0, the extrusion fan-shaped plate 108b has the same radius as the second extrusion arc-shaped plate 108a, and the extrusion fan-shaped plate 108b is a quarter ring, so that the output rotating disc 106c is rotated by 90-180 degrees to keep the left communication pipe 105a at the maximum stroke and make the right communication pipe 105a contact the first extrusion arc-shaped plate 107a, and thus the output rotating disc 106c is rotated by 180 degrees to displace the communication pipes 105a on both sides to the maximum stroke, thereby ensuring normal use of the device.

[0054] The remaining structure is the same as that of Example 1.

[0055] During use, when two partitions need to react, rotating the handle 202 drives the output pipe 106a to rotate the output rotating disc 106c, the output rotating disc 106c drives the second extrusion arc-shaped plate 108a to rotate the second limiting arc-shaped groove 108c, the second limiting arc-shaped groove 108c extrudes the protrusion 105f to make the communication pipe 105a move along the support ring 104b, the communication pipe 105a drives the extrusion head 105d to extrude the blocking plate 103c to make the blocking spring rod 103a move, the blocking spring rod 103a moves to extrude the blocking spring 103b to make the blocking spring 103b shrink, at the same time, the communication pipe 105a drives the first communication hole 105b to pass through the through hole 102b to enter the partition 1, so that the partition 1 and the partition 2 are communicated, the product gas in the partition 1 passes through the first communication hole 105b, the communication pipe 105a and the second communication hole 105c to enter the partition 2, and the product gas in the partition 2 is transported through the output hole 106b and the output pipe 106a;

[0056] When three partitions need to react, continuing to rotate the handle 202 drives the output pipe 106a to rotate the extrusion fan-shaped plate 108b, the protrusion 105f on the left side enters the fan-shaped groove 108d along the second limiting arc-shaped groove 108c and the arc surface 108e, since the extrusion fan-shaped plate 108b is fan-shaped, the continuing rotation of the extrusion fan-shaped plate 108b will not continue to extrude the left communication pipe 105a to move, so that the left communication pipe 105a remains stationary, at the same time, the output rotating disc 106c drives the first extrusion arc-shaped plate 107a to continue to rotate, the rotation of the first extrusion arc-shaped plate 107a makes the protrusion 105f on the right side enter the first limiting arc-shaped groove 107b, the rotation of the first extrusion arc-shaped plate 107a extrudes the protrusion 105f on the right side to make the communication pipe 105a move along the support ring 104b, the communication pipe 105a drives the first communication hole 105b to pass through the through hole 102b to enter the partition 3, so that the partition 2 and the partition 3 are communicated, and then the product gas in the three partitions can be transported through the output pipe 106a at the same time.

[0057] Embodiment 3

[0058] Referring to FIGS. 1, 2, 6 and 7, the third embodiment of the present application is different from the second embodiment in that the connecting part 201 comprises a rotary joint 201a arranged on the output pipe 106a and a connecting female pipe 201b arranged on the rotary joint 201a.

[0059] Preferably, the rotary joint 201a is arranged to ensure that the output pipe 106a can be ventilated and rotated, and to ensure that the connecting female pipe 201b can be installed.

[0060] The handle 202 includes a handle 202a arranged on the output pipe 106a, a threaded base 202b arranged on the hydrolysis reactor 101, a threaded rod 202c arranged on the threaded base 202b, and a stop block 202d arranged on the threaded rod 202c and matched with the handle 202a.

[0061] Preferably, the threaded base 202b is fixedly arranged on the hydrolysis reactor 101, the threaded rod 202c is threadedly connected with the threaded base 202b, and the stop block 202d is an arc block and is rotationally connected with the threaded rod 202c and used for limiting the handle 202a.

[0062] Further, the output pipe 106a is arranged with an input gear, the hydrolysis reactor 101 is arranged with a motor, and one end of an output gear of the motor is arranged with the input gear, so that the rotation of the output pipe 106a can also be controlled by the motor, thereby increasing the applicability of the device.

[0063] The steam part 203 includes a steam branch pipe 203a arranged on the hydrolysis reactor 101, a steam main pipe 203b arranged on the steam branch pipe 203a, a drain branch pipe 203c arranged on the hydrolysis reactor 101, and a drain main pipe 203d arranged on the drain branch pipe 203c.

[0064] Preferably, steam coils are arranged in the three sub-zones, the steam branch pipe 203a is arranged with three steam coils and is in communication with the steam coils, and a control valve and a flow meter are arranged on each steam branch pipe 203a and used for controlling the amount of heating steam entering each sub-zone, and the drain branch pipe 203c is arranged with three steam coils and is in communication with the steam coils, thereby facilitating the unified recovery of steam and drain.

[0065] The remaining structure is the same as that of the structure of the embodiment 2.

[0066] In use, the connecting main pipe 201b is communicated with a product gas pipeline, so that product gas can be transported through the output pipe 106a, the rotary joint 201a and the connecting main pipe 201b, when the output pipe 106a needs to be rotated, the threaded rod 202c is rotated into the threaded base 202b, the threaded rod 202c drives the stop block 202d to move away from the handle 202a, the stop block 202d is removed from the handle 202a, the handle 202a is rotated to drive the output pipe 106a to rotate, thereby adjusting the communication between the sub-zones.

[0067] The amount of heating steam entering the sub-zone through the steam branch pipe 203a is adjusted through the adjusting valve on the steam branch pipe 203a, so that more heating steam is introduced into the sub-zone that needs to be reacted, so as to ensure that the urea hydrolysis reaction temperature is close to the design value (155℃), and less heating steam is introduced into the sub-zone in the hot standby state, so that the sub-zone in the hot standby state can maintain a solution temperature of about 50℃.

[0068] It is important to note that the construction and arrangement of the application shown in the various examples presented are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described herein. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements can be altered or varied. Thus, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "apparatus" or "device" described herein can be a structure that performs the recited function, not necessarily composed of all the means or elements specifically disclosed. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described herein, but extends to all structures that would fall within the scope of the appended claims.

[0069] Also, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the

[0070] It should be noted that the above-mentioned embodiments are only used to illustrate the technical solutions of the present application, not limit the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the present application, which should be covered by the claims of the present application.

Claims

1. A partitioned urea hydrolyzer, characterized in that: include, The partitioning mechanism (100) includes a hydrolysis reactor (101), an isolation section (102) disposed within the hydrolysis reactor (101), a sealing section (103) disposed on the isolation section (102), a support section (104) disposed on the isolation section (102), a connecting section (105) disposed on the support section (104), an output section (106) disposed on the hydrolysis reactor (101), a first extrusion section (107) disposed on the output section (106), and a second extrusion section (108) disposed on the output section (106). The handle mechanism (200) includes a connecting part (201) disposed on the output part (106), a handle part (202) disposed on the hydrolysis reactor (101), and a steam part (203) disposed on the hydrolysis reactor (101).

2. The partitioned urea hydrolyzer according to claim 1, characterized in that: The isolation section (102) includes a partition (102a) disposed in the hydrolysis reactor (101), and there are two partitions (102a) with through holes (102b) disposed on the partition (102a).

3. The partitioned urea hydrolyzer according to claim 2, characterized in that: The sealing part (103) includes a sealing spring rod (103a) disposed on the partition plate (102a), a sealing spring (103b) disposed on the sealing spring rod (103a), a sealing plate (103c) disposed on the sealing spring rod (103a) and adapted to the through hole (102b), and a sealing pad (103d) disposed on the sealing plate (103c).

4. The partitioned urea hydrolyzer according to claim 3, characterized in that: The bracket (104) includes a support rod (104a) disposed on the partition (102a) and a support ring (104b) disposed on the support rod (104a) and adapted to the through hole (102b).

5. The partitioned urea hydrolyzer according to claim 4, characterized in that: The connecting part (105) includes a connecting pipe (105a) disposed in the support ring (104b), a first connecting hole (105b) disposed on the connecting pipe (105a), a second connecting hole (105c) disposed on the connecting pipe (105a), a pressing head (105d) disposed on the connecting pipe (105a), a tail sealing plate (105e) disposed on the connecting pipe (105a), and a protrusion (105f) disposed on the tail sealing plate (105e).

6. The partitioned urea hydrolyzer according to claim 5, characterized in that: The output section (106) includes an output pipe (106a) disposed on the hydrolysis reactor (101), an output hole (106b) disposed on the output pipe (106a), and an output rotating disk (106c) disposed on the output pipe (106a).

7. The partitioned urea hydrolyzer according to claim 6, characterized in that: The first extrusion section (107) includes a first extrusion arc plate (107a) disposed on the output rotating disk (106c), a first limiting arc groove (107b) disposed on the first extrusion arc plate (107a) and adapted to the protrusion (105f), and a first baffle (107c) disposed on the first extrusion arc plate (107a).

8. The partitioned urea hydrolyzer according to claim 7, characterized in that: The second extrusion section (108) includes a second extrusion arc plate (108a) disposed on the output rotating disk (106c), an extrusion fan plate (108b) disposed on the output rotating disk (106c) and connected to the second extrusion arc plate (108a), a second limiting arc groove (108c) disposed on the second extrusion arc plate (108a), a fan groove (108d) disposed on the extrusion fan plate (108b), and an arc surface (108e) disposed between the second limiting arc groove (108c) and the fan groove (108d).

9. The partitioned urea hydrolyzer according to claim 7 or 8, characterized in that: The connecting part (201) includes a rotary joint (201a) disposed on the output pipe (106a) and a connecting female pipe (201b) disposed on the rotary joint (201a); The handle (202) includes a handle (202a) disposed on the output pipe (106a), a threaded base (202b) disposed on the hydrolysis reactor (101), a threaded rod (202c) disposed on the threaded base (202b), and a stop (202d) disposed on the threaded rod (202c) and adapted to the handle (202a).

10. The partitioned urea hydrolyzer according to claim 9, characterized in that: The steam section (203) includes a steam branch pipe (203a) disposed on the hydrolysis reactor (101), a steam main pipe (203b) disposed on the steam branch pipe (203a), a condensate branch pipe (203c) disposed on the hydrolysis reactor (101), and a condensate main pipe (203d) disposed on the condensate branch pipe (203c).

Citation Information

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