CN210303133U - Reducing agent transfer module for urea denitration process system - Google Patents
Reducing agent transfer module for urea denitration process system Download PDFInfo
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- CN210303133U CN210303133U CN201920856887.2U CN201920856887U CN210303133U CN 210303133 U CN210303133 U CN 210303133U CN 201920856887 U CN201920856887 U CN 201920856887U CN 210303133 U CN210303133 U CN 210303133U
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Abstract
The utility model discloses a reducing agent transportation module for urea denitration process systems, include: the system comprises a base frame, a main pipeline, a branch pipeline, a valve, a pressure gauge and a pump set; the branch pipelines are arranged in a plurality of numbers, and the plurality of branch pipelines are connected in parallel and are arranged between the input end and the output end of the main pipeline and communicated; the valve comprises a plurality of main pipe ball valves, branch pipe ball valves and check valves, and the main pipe ball valves are arranged on the main pipe and used for controlling the communication or the blocking of the main pipe; the branch ball valves are correspondingly arranged on the branch pipelines and are used for controlling the communication or the blockage of the branch pipelines; the pressure gauge is arranged at the output end of the main pipeline; the pump unit is arranged on the branch pipeline, and the check valve is arranged on the branch pipeline at the rear end of the pump unit along the flow direction of the urea solution; the utility model discloses with the reductant transfer line modularization of easy damage in the urea denitration technology, its simple structure, control is convenient, can effectual management and control pipeline and pump package, the rational utilization space reduces the maintenance cost.
Description
Technical Field
The utility model relates to a chemical industry equipment production technical field, more specifically the reductant transportation module who relates to a be used for urea denitration process systems that says so.
Background
A whole set of rules and regulations can be circulated for the production, transportation, storage, use and management of toxic and harmful gas or liquid products in chemical products. There are two aspects in summary: firstly, technical measures for ensuring safety and secondly organization measures for ensuring safety.
The storage and safe use of the urea solution are the common concerns of ammonia enterprises and the surrounding people. In the prior art, a main control valve and a conveying pipeline of a urea solution are basically welded on site, the welding quantity is large due to the thin wall of the pipeline, the welding quantity is limited by site construction environment and boiler shutdown maintenance time, the welding quality, valve assembly and the like of the pipeline hardly meet the technical requirements of chemical engineering, once the pipeline is damaged and leaked, the time for organizing and maintaining and perfecting is long, and the operation of a denitration system is seriously delayed.
Therefore, the technical personnel in the field need to have high integration degree, good denitration workshop arrangement, reasonable space utilization and convenient centralized management and control; the on-site installation efficiency is improved, the blowing-out maintenance time is shortened, and the economic loss is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a simple structure, economy, easy manufacturing, installation, can improve the overall product quality, can effectively and reliably manage and control pipeline and pump package; improve the arrangement in denitration workshop, the reducing agent transportation module in rational utilization space.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a reductant transport module for a urea denitration process system includes:
the system comprises a base frame, a main pipeline, a branch pipeline, a valve, a pressure gauge and a pump set;
the input end and the output end of the main pipeline penetrate through the side wall of the base frame and extend to the outside of the base frame;
the branch pipelines are arranged in a plurality of numbers, and the plurality of branch pipelines are connected in parallel and are arranged between the input end and the output end of the main pipeline and communicated with each other;
the valve comprises a plurality of main pipe ball valves and branch ball valve check valves, and the main pipe ball valves are arranged on the main pipe and used for controlling the communication or the blocking of the main pipe; the branch ball valves are correspondingly arranged on the branch pipelines and are used for controlling the communication or the blockage of the branch pipelines;
the pressure gauge is arranged at the output end of the main pipeline;
the pump unit is installed on the branch pipeline, and the check valve is installed on the rear end branch pipeline of the pump unit along the flow direction of the urea solution.
Specifically, generally, one or more main pipe ball valves are installed at the input end of the main pipeline, so that the urea solution can be conveniently stopped in time when the end part of the branch pipeline is damaged, namely damaged and leaked, and the branch pipeline is conveniently replaced and maintained.
One or more branch road ball valves are respectively installed at the input end and the output end of the branch road pipeline, so that the urea solution can be conveniently stopped from being conveyed when the middle part of the branch road pipeline is damaged, namely damaged and leaked, and the branch road pipeline can be conveniently replaced and maintained.
The check valve prevents differential pressure back flow in the conduit.
The utility model modularizes the reducing agent transfer pipeline which is easy to be damaged in the urea denitration process, has simple structure and convenient control, adopts a plurality of branch pipelines to connect the main pipeline, is convenient for replacing other pipelines in time when a certain pipeline is damaged, and can effectively manage and control the pipelines and the pump set;
the utility model discloses inject the reductant transportation pipeline of easy damage in fixed area, improve arranging in denitration workshop, the rational utilization space reduces the maintenance cost.
Furthermore, the valve further comprises a blowoff valve, and the blowoff valve is arranged on the branch pipeline and communicated with the branch pipeline.
The blow-down valve is used for removing impurities or undissolved substances and the like in the solution.
Furthermore, the device also comprises a filter which is arranged on the branch pipeline and is positioned at the front end of the pump set along the flow direction of the urea solution.
Specifically, the blow-down valve is typically mounted on both sides of the filter.
Furthermore, the ports of the input end and the output end of the main pipeline are provided with main pipe flanges connected with a far-end urea solution pipeline.
Through foretell technical scheme, compare with prior art, the utility model discloses there is following advantage:
1. the pump set, part of main pipelines, branch pipelines, valves, the filter base frame I and the like are assembled in a modularized manner, so that the process assembly quality can be improved, and the pipelines and the pump set can be effectively and reliably managed and controlled;
2. the arrangement of a denitration workshop is improved, the space is reasonably utilized, and centralized management and control are facilitated;
3. after the module is in place on site, the module is connected only through the mating flange;
4. the quality and the quantity are guaranteed, and the construction period of installation or technical improvement of a denitration system is shortened;
5. the modularized arrangement is quicker, safer, more orderly and more beautiful to install on site.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a reducing agent transfer module for a urea denitration process system according to the present invention;
in the figure: the device comprises a base frame 1, a main pipeline 2, a main pipe flange 21, a branch pipeline 3, a valve 4, a main pipe ball valve 41, a branch ball valve 42, a check valve 43, a blow-off valve 44, a pressure gauge 5, a pump set 6 and a filter 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1: a reductant transport module for a urea denitration process system, comprising: the system comprises a base frame 1, a main pipeline 2, a branch pipeline 3, a valve 4, a pressure gauge 5 and a pump set 6;
the main pipeline 2 is positioned in the base frame 1 and is provided with an input end and an output end, and the input end and the output end both penetrate through the side wall of the base frame 2 and extend to the outside of the base frame 1;
the two branch pipelines 3 are connected in parallel, are arranged between the input end and the output end of the main pipeline 2 and are communicated;
in other embodiments, the branch duct 3 may be provided in plural;
the valves 4 are arranged on the main pipeline 2 and the two branch pipelines 3;
the specific valve comprises a plurality of main pipe ball valves 41 which are arranged on the main pipe 2 and used for controlling the communication or the blocking of the main pipe 2; and branch ball valves 42 and check valves 43, which are respectively installed on the plurality of branch pipes 3, for controlling communication or blocking of the branch pipes 3.
Specifically, the valve 4 further includes a blowoff valve 44, which is disposed on the branch pipeline and is communicated with the branch pipeline.
Generally, a main pipe ball valve 41 is respectively installed at the input end and the output end of the main pipeline 2, so that urea solution can be conveniently and timely stopped being conveyed when the end part of the branch pipeline 3 is damaged, namely damaged and leaked, and the branch pipeline 3 can be conveniently replaced and maintained.
A branch road ball valve 42 is respectively installed at the input end and the output end of the branch road pipeline 3, so that the urea solution can be conveniently stopped from being conveyed when the middle part of the branch road pipeline 3 is damaged, namely damaged and leaked, and the branch road pipeline 3 can be conveniently replaced and maintained.
In other embodiments, a plurality of main pipe ball valves 41 are respectively arranged at the input end and the output end of the main pipe 2, and a plurality of branch ball valves 42 are respectively arranged at the input end and the output end of the branch pipe 3;
the pressure gauge 5 is arranged at the output end of the main pipeline 2;
specifically, manometer 5 can detect and monitor the pressure on trunk line 2, can correspond the condition of judging branch road pipeline 3 according to the manometer data, including jam, leakage scheduling problem.
The pump unit 6 is arranged on the branch pipeline 3 and is matched and connected with the valve 4; the blow-off valve 44 is used to remove impurities or undissolved substances, etc. from the solution. A check valve 43 is located at the rear end of the pump unit 6 in the direction of flow of the urea solution, i.e. close to the outlet end of the by-pass conduit 3, the check valve 43 preventing the back flow of the differential pressure in the conduit.
The main pipeline 2, the branch pipeline 3 and the pump unit 6 are all fixed inside the base frame 1 through connecting pieces.
In the embodiment, the reducing agent transfer pipelines which are easy to damage in the urea denitration process are modularized, the structure is simple, the control is convenient, the multi-branch pipeline 3 is adopted to be connected with the main pipeline 2, so that other pipelines can be replaced in time when a certain pipeline is damaged, and the pipelines and the pump unit 6 can be effectively managed and controlled; the utility model discloses inject the reductant transportation pipeline of easy damage in fixed area, improve arranging in denitration workshop, the rational utilization space reduces the maintenance cost.
And the filter 7 is arranged on the branch pipeline 3, and the filter 7 is positioned at the front end of the pump set 6 along the flow direction of the urea solution.
Specifically, the blowoff valves 44 are installed at both sides of the filter 7, which facilitates cleaning of the filter 7 and prevents clogging of the pipe.
In this embodiment, the ports of the input end and the output end of the main pipe 2 are provided with a main pipe flange 21 connected with a remote urea solution pipeline.
In the embodiment, the pump unit 6, part of the main pipeline 2, the branch pipeline 3, the valve 4, the filter 7 and the base frame |1 and the like are modularly assembled, so that the process assembly quality can be improved, and the pipelines and the pump unit can be effectively and reliably managed and controlled; the arrangement of a denitration workshop is improved, the space is reasonably utilized, and centralized management and control are facilitated; after the module is in place on site, the module is connected only through the mating flange; the quality and the quantity are guaranteed, and the construction period of installation or technical improvement of a denitration system is shortened; the modularized arrangement is quicker, safer, more orderly and more beautiful to install on site.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A reductant transport module for a urea denitration process system, comprising:
the device comprises a base frame (1), a main pipeline (2), branch pipelines (3), a valve (4), a pressure gauge (5) and a pump set (6);
the input end and the output end of the main pipeline (2) penetrate through the side wall of the base frame (1) and extend to the outside of the base frame (1); the branch pipelines (3) are arranged in a plurality of numbers, and the branch pipelines (3) are connected in parallel, arranged between the input end and the output end of the main pipeline (2) and communicated with each other; the valve (4) comprises a plurality of main pipe ball valves (41), branch pipe ball valves (42) and check valves (43), and the main pipe ball valves (41) are mounted on the main pipe (2) and used for controlling the communication or the blocking of the main pipe (2); the branch ball valves (42) are correspondingly arranged on the branch pipelines (3) and used for controlling the communication or the blockage of the branch pipelines (3); the pressure gauge (5) is arranged at the output end of the main pipeline (2); the pump unit (6) is mounted on the branch pipe (3), and the check valve (43) is mounted on the branch pipe (3) at the rear end of the pump unit (6) in the flow direction of the urea solution.
2. A reductant transfer module for a urea denitration process system according to claim 1, wherein the valve (4) further comprises a blow-off valve (44), the blow-off valve (44) being provided on the branch conduit and communicating with the branch conduit (3).
3. A reductant transport module for a urea denitration process system according to claim 2, further comprising a filter (7), wherein the filter (7) is installed on the branch pipe (3) and is located at the front end of the pump set (6) in the flow direction of the urea solution.
4. A reductant transfer module for a urea denitration process system according to any one of claims 1-3, wherein the ports of the input end and the output end of the main pipe (2) have a main pipe flange (21) connecting the remote urea solution pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920856887.2U CN210303133U (en) | 2019-06-06 | 2019-06-06 | Reducing agent transfer module for urea denitration process system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920856887.2U CN210303133U (en) | 2019-06-06 | 2019-06-06 | Reducing agent transfer module for urea denitration process system |
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| Publication Number | Publication Date |
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| CN210303133U true CN210303133U (en) | 2020-04-14 |
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| CN201920856887.2U Active CN210303133U (en) | 2019-06-06 | 2019-06-06 | Reducing agent transfer module for urea denitration process system |
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- 2019-06-06 CN CN201920856887.2U patent/CN210303133U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Kaier Environmental Technology Co.,Ltd. Assignor: ZHEJIANG KAIER NEW MATERIALS Co.,Ltd. Contract record no.: X2023980042335 Denomination of utility model: A reducing agent transport module for urea denitrification process system Granted publication date: 20200414 License type: Common License Record date: 20230924 |
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| EE01 | Entry into force of recordation of patent licensing contract |