Multi-stage sealing structure based on ammonia water evaporator

By using a fixed connection between shell one and shell two, the fit of sealing rings, and the cooperation of fixing blocks in the ammonia evaporator, a multi-stage seal is formed, which solves the problem of easy leakage at flange joints and improves the safety and sealing performance of the ammonia evaporator.

CN223668663UActive Publication Date: 2025-12-16ANHUI ZHEHANG ENERGY TECH CO LTD
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Patent Information

Application Number
CN202520238359.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-12-16
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

Under high temperature and high pressure, the sealing material at the flange joint of existing ammonia evaporators is prone to aging, deformation or failure, leading to leakage risk. In addition, the thermal expansion effect can cause the flange to loosen, resulting in low safety.

Method used

The system employs a multi-stage sealing structure, including the fixed connection of housing one and housing two, the fitting of sealing rings, and the cooperative use of fixing blocks, forming a multi-stage seal to reduce flange deformation and leakage risks.

Benefits of technology

It improves the sealing performance of the flange connection, prevents gas leakage, enhances safety, and effectively collects leaked gas through a multi-stage sealing structure to prevent direct leakage into the environment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a multi-stage sealing structure based on an ammonia water evaporator, and belongs to the field of evaporators. The problems that the sealing performance of the connecting position of an air outlet pipe is difficult to guarantee, and safety is low are solved. The first shell and the second shell are fixedly connected, the first sealing ring is attached to the surface of the gas outlet pipe and the surface of the conveying pipe, the sealing performance of the space defined by the first shell and the second shell is further guaranteed, gas leakage is avoided, meanwhile, if gas leakage occurs, gas is collected through the first shell and the second shell, and the gas leakage is avoided. The gas is prevented from being directly leaked into the surrounding environment, the flange is fixed through the first fixing block and the second fixing block, the deformation amplitude of the flange is reduced, loosening of the flange is avoided, the periphery of the flange is sealed through the second sealing ring, the sealing performance of the flange is greatly improved, the flange is matched with the first shell and the second shell, multi-stage sealing is formed, and the sealing performance of the flange is greatly improved. And the safety is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to evaporator field especially relates to a multistage sealing structure based on ammonia water evaporator. BACKGROUND

[0002] Ammonia water evaporator is a kind of equipment for separating ammonia in ammonia water by evaporation, usually, ammonia water evaporator is used in industrial field, especially in refrigeration and air conditioning system, as a kind of refrigerant or for the production process of chemical fertilizer.

[0003] But the ammonia water evaporator in the prior art in the use process, usually involves high temperature and high pressure, with the increase of equipment running time, the change of temperature and pressure will cause the sealing material at flange joint gradually aging, deformation or failure, thereby increasing the risk of leakage, that is difficult to guarantee the sealing property of outlet pipe connection place;

[0004] And the alternating action of high temperature and low temperature will cause the expansion and shrinkage of metal parts, and the thermal expansion effect will cause the bolt or fastener at flange connection to be repeatedly stretched and compressed, and then possibly cause the gradual loss of fastening force, finally cause the flange to loosen, and then cause ammonia gas leakage, and the safety is low;

[0005] In view of the above technical defects, a solution is proposed. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a multistage sealing structure based on ammonia water evaporator to solve the technical defects proposed in the background art.

[0007] The utility model can realize the purpose that the utility model discloses a multistage sealing structure based on ammonia water evaporator, including jar body, jar body top fixed installation has the outlet pipe, the outlet pipe is connected with the conveying pipe through the flange, jar body top fixed installation has sealing assembly;

[0008] Sealing assembly includes shell one, shell two and sealing ring one, shell one and shell two fixed connection, flange is located in shell one and shell two, sealing ring one is fixedly installed in shell one and shell two, sealing ring one and outlet pipe and conveying pipe are inlaid;

[0009] Sealing assembly still includes fixed block one, fixed block two and sealing ring two, fixed block one and fixed block two and flange fixed connection, sealing ring two is fixedly installed in fixed block one and fixed block two, sealing ring two and outlet pipe and conveying pipe are inlaid.

[0010] Preferably, the top and bottom of shell one and shell two are provided with a fixed groove one, and the sealing ring one is fixedly installed in the fixed groove one.

[0011] Preferably, both the top and bottom of the fixing block 1 and the fixing block 2 are provided with fixing groove 2, and a sealing ring 2 is fixedly installed in the fixing groove 2.

[0012] Preferably, a locking block is fixedly installed on one side of the housing, and a locking groove is opened on the side of the housing near the locking block, and the locking block and the locking groove are engaged and connected.

[0013] Preferably, fixing tubes are fixedly installed on both sides of the housing, and a plug rod is movably installed in the fixing tube. A slot is opened on the card block, and one end of the plug rod is fixedly connected to the slot.

[0014] Preferably, a reset plate is movably installed in the fixed tube, the reset plate is fixedly connected to the insertion rod, a spring is fixedly installed on one side of the reset plate, and one end of the spring is fixedly connected to the fixed tube.

[0015] The beneficial effects of this utility model are as follows:

[0016] (1) This utility model uses the cooperation of shell one and shell two to fix shell one and shell two together. At this time, the flange is located in shell one and shell two, and the sealing ring one is in contact with the surface of the gas outlet pipe and the conveying pipe, which further ensures the airtightness of the space after shell one and shell two are enclosed, and avoids gas leakage. At the same time, if gas leakage occurs, the gas is collected by shell one and shell two to prevent the gas from leaking directly into the surrounding environment.

[0017] (2) This utility model uses the combination of fixing block one and fixing block two to fix the flange, reduce its deformation range and prevent it from loosening. At the same time, the sealing ring two is used to seal the flange periphery, which greatly improves the sealing performance of the flange. It also works with shell one and shell two to form a multi-level seal with high safety. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings;

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the sealing component structure in this utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the shell in this utility model;

[0022] Figure 4 This is a schematic diagram of the structure of shell two in this utility model;

[0023] Figure 5 This is a structural schematic diagram of the fixed block one of this utility model.

[0024] Figure legend: 1, tank body; 101, gas outlet pipe; 102, conveying pipe; 2, sealing assembly; 201, shell one; 202, shell two; 203, sealing ring one; 204, fixed block one; 205, fixed block two; 206, sealing ring two; 207, fixed groove one; 208, fixed groove two; 209, clamping block; 210, clamping groove; 211, fixed pipe; 212, insertion rod; 213, insertion groove; 214, reset plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Embodiment one: the embodiment is used to solve the problem that the ammonia evaporator in the prior art is usually related to high temperature and high pressure in the use process, and with the increase of the equipment running time, the change of temperature and pressure will cause the sealing material at the flange joint to gradually age, deform or fail, thereby increasing the risk of leakage, i.e. it is difficult to ensure the sealing property of the gas outlet pipe connection.

[0027] Please refer to Figure 1 Figure 4 As shown in the figure, the embodiment is a multi-stage sealing structure based on an ammonia evaporator, which comprises a tank body 1, the top of the tank body 1 is fixedly installed with a gas outlet pipe 101, the gas outlet pipe 101 is fixedly connected with a conveying pipe 102 through a flange, and the top of the tank body 1 is fixedly installed with a sealing assembly 2.

[0028] The sealing assembly 2 comprises a shell one 201, a shell two 202 and a sealing ring one 203, the shell one 201 and the shell two 202 are fixedly connected, the flange is located in the shell one 201 and the shell two 202, and the sealing ring one 203 is fixedly installed in the shell one 201 and the shell two 202, and the sealing ring one 203 is in close contact with the gas outlet pipe 101 and the conveying pipe 102.

[0029] The top and the bottom of the shell one 201 and the shell two 202 are provided with a fixed groove one 207, and the sealing ring one 203 is fixedly installed in the fixed groove one 207, when the shell one 201 and the shell two 202 are fixedly connected, the sealing ring one 203 is mutually enclosed into a circular shape, at this time, the gas outlet pipe 101 and the conveying pipe 102 are located in the sealing ring one 203, and the sealing ring one 203 is in close contact with the surface of the pipes, so as to ensure the sealing property of the connection between the shell one 201 and the shell two 202 and the gas outlet pipe 101 and the conveying pipe 102.

[0030] ​The shell one 201 is fixedly installed with a clamping block 209, the shell two 202 is provided with a clamping groove 210 on the side close to the clamping block 209, the clamping block 209 and the clamping groove 210 are clamped and connected, the shell two 202 is fixedly installed with a fixed pipe 211 on both sides, the fixed pipe 211 is movably installed with a plug rod 212, the clamping block 209 is provided with a plug slot 213, and one end of the plug rod 212 is fixedly connected with the plug slot 213.

[0031] The fixed pipe 211 is movably installed with a reset plate 214, the reset plate 214 is fixedly connected with the plug rod 212, the reset plate 214 is fixedly installed with a spring on one side, and one end of the spring is fixedly connected with the fixed pipe 211, in actual use, the plug rod 212 is pulled, at this time, the reset plate 214 moves in the fixed pipe 211, the spring is gradually compressed, the clamping block 209 is inserted into the clamping groove 210, the plug rod 212 is reset with one end inserted into the plug slot 213 under the action of the spring, and therefore the fixed connection of the shell one 201 and the shell two 202 is realized.

[0032] The shell one 201 and the shell two 202 are fixedly connected, the flange is located in the shell one 201 and the shell two 202 at this time, and the sealing ring one 203 is attached to the surfaces of the gas outlet pipe 101 and the conveying pipe 102, further guaranteeing the sealing property of the space enclosed by the shell one 201 and the shell two 202, avoiding gas leakage, and if gas leakage occurs, the gas is collected through the shell one 201 and the shell two 202, avoiding that the gas is directly leaked to the surrounding environment.

[0033] Embodiment two: the embodiment is used for solving the problems that the alternating action of high temperature and low temperature can cause the expansion and contraction of metal parts, the thermal expansion effect can cause the bolts or fasteners at the flange connection to be repeatedly stretched and compressed, the fastening force can be gradually lost, the flange can be loosened, ammonia gas can be leaked, and the safety is low.

[0034] Please refer to Figure 5 The utility model also includes fixed block one 204, fixed block two 205 and sealing ring two 206, fixed block one 204 and fixed block two 205 are fixedly connected with the flange, sealing ring two 206 is fixedly installed in fixed block one 204 and fixed block two 205, and sealing ring two 206 is attached to the gas outlet pipe 101 and the conveying pipe 102.

[0035] The top and bottom of the fixed block one 204 and the fixed block two 205 are provided with a fixed groove two 208, and a sealing ring two 206 is fixedly installed in the fixed groove two 208, when the fixed block one 204 and the fixed block two 205 are fixedly connected, the sealing ring two 206 is surrounded to form a circle, at this time, the gas outlet pipe 101 and the conveying pipe 102 are located in the sealing ring two 206, and the sealing ring two 206 is attached to the surface of the pipe, so that the sealing property of the connection between the fixed block one 204 and the fixed block two 205 and the gas outlet pipe 101 and the conveying pipe 102 is guaranteed.

[0036] In actual use, first, the flanges are aligned, then the fixed block one 204 and the fixed block two 205 are sleeved on the flanges, the through holes are formed in the fixed block one 204 and the fixed block two 205, after the sleeving is completed, the bolts are inserted into the through holes and the flanges, and the bolts are locked, the surface of the bolts is abutted against the surface of the fixed block one 204 and the fixed block two 205, the gap is reduced, and the sealing property of the flanges is further improved.

[0037] That is, the fixed block one 204 and the fixed block two 205 are used for fixing the flanges, the deformation range of the flanges is reduced, the flanges are prevented from loosening, the sealing ring two 206 is used for sealing the periphery of the flanges, the sealing property of the flanges is greatly improved, and the flanges, the shell one 201 and the shell two 202 are matched with each other to form multi-stage sealing, and the safety is high.

[0038] In combination with the first embodiment and the second embodiment, the shell one 201 and the shell two 202 are fixedly connected, and the sealing ring one 203 is attached to the surface of the gas outlet pipe 101 and the conveying pipe 102, the sealing property of the space surrounded by the shell one 201 and the shell two 202 after the shell one 201 and the shell two 202 are surrounded is further guaranteed, gas leakage is avoided, if gas leakage occurs, the gas is collected by the shell one 201 and the shell two 202, the gas is prevented from directly leaking to the surrounding environment, the fixed block one 204 and the fixed block two 205 are used for fixing the flanges, the deformation range of the flanges is reduced, the flanges are prevented from loosening, the sealing ring two 206 is used for sealing the periphery of the flanges, the sealing property of the flanges is greatly improved, and the flanges, the shell one 201 and the shell two 202 are matched with each other to form multi-stage sealing, and the safety is high.

[0039] The working process and principle of the utility model are as follows:

[0040] First, the shell one 201 and the shell two 202 are fixedly connected, and the sealing ring one 203 is attached to the surface of the gas outlet pipe 101 and the conveying pipe 102, the sealing property of the space surrounded by the shell one 201 and the shell two 202 after the shell one 201 and the shell two 202 are surrounded is further guaranteed, gas leakage is avoided, if gas leakage occurs, the gas is collected by the shell one 201 and the shell two 202, the gas is prevented from directly leaking to the surrounding environment,

[0041] Further, the flange is fixed by the fixed block one 204 and the fixed block two 205, the deformation range is reduced, the loosening is avoided, meanwhile, the sealing ring two 206 is used for sealing the periphery of the flange, the sealing property of the flange is greatly improved, meanwhile, the shell one 201 and the shell two 202 are matched, multi-stage sealing is formed, and the safety is high.

[0042] That is, the sealing assembly 2 is arranged, gas leakage is effectively avoided, and the sealing property of the flange is effectively improved.

[0043] The above content is merely an example and description of the structure of the utility model, and the skilled in the art can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as the structure of the utility model is not deviated or beyond the range defined by the claims, which belongs to the protection range of the utility model.

[0044] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and describes these embodiments in order to better explain the principles and practical application of the utility model, so that the skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole range and equivalents thereof.

Claims

1. A multi-stage seal structure based on ammonia water evaporator comprising a tank body (1), characterized in that, The tank body (1) top is fixedly installed with an air outlet pipe (101), the air outlet pipe (101) is fixedly connected with a conveying pipe (102) through a flange, and the tank body (1) top is fixedly installed with a sealing assembly (2); The sealing assembly (2) comprises a housing one (201), a housing two (202) and a sealing ring one (203), the housing one (201) and the housing two (202) are fixedly connected, the flange is located in the housing one (201) and the housing two (202), and the sealing ring one (203) is fixedly installed in the housing one (201) and the housing two (202), and the sealing ring one (203) is attached to the air outlet pipe (101) and the conveying pipe (102); The sealing assembly (2) further comprises a fixed block one (204), a fixed block two (205) and a sealing ring two (206), the fixed block one (204) and the fixed block two (205) are fixedly connected with the flange, the sealing ring two (206) is fixedly installed in the fixed block one (204) and the fixed block two (205), and the sealing ring two (206) is attached to the air outlet pipe (101) and the conveying pipe (102).

2. A multi-stage seal structure based on ammonia evaporator according to claim 1, characterized in that, The housing one (201) and the housing two (202) top and bottom are provided with a fixed groove one (207), and the sealing ring one (203) is fixedly installed in the fixed groove one (207).

3. A multi-stage seal structure based on ammonia evaporator according to claim 2, characterized in that, The fixed block one (204) and the fixed block two (205) top and bottom are provided with a fixed groove two (208), and the sealing ring two (206) is fixedly installed in the fixed groove two (208).

4. The multi-stage seal structure based on ammonia evaporator according to claim 1, characterized in that, The housing one (201) one side is fixedly installed with a clamping block (209), the housing two (202) one side close to the clamping block (209) is provided with a clamping groove (210), and the clamping block (209) and the clamping groove (210) are clamped and connected.

5. A multi-stage seal structure based on ammonia evaporator according to claim 4, characterized in that, The housing two (202) both sides are fixedly installed with a fixed pipe (211), the fixed pipe (211) is movably installed with a plug rod (212), the clamping block (209) is provided with a plug groove (213), and one end of the plug rod (212) is fixedly connected with the plug groove (213).

6. A multi-stage seal structure based on ammonia evaporator according to claim 5, characterized in that, The fixed pipe (211) is movably installed with a reset plate (214), the reset plate (214) is fixedly connected with the plug rod (212), one side of the reset plate (214) is fixedly installed with a spring, and one end of the spring is fixedly connected with the fixed pipe (211).