CN212431916U - Acid washing device of circulating gas heat exchanger - Google Patents
Acid washing device of circulating gas heat exchanger Download PDFInfo
- Publication number
- CN212431916U CN212431916U CN202021476975.9U CN202021476975U CN212431916U CN 212431916 U CN212431916 U CN 212431916U CN 202021476975 U CN202021476975 U CN 202021476975U CN 212431916 U CN212431916 U CN 212431916U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- gas heat
- circulating
- water
- cleaning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The utility model relates to the technical field of chemical equipment cleaning, and discloses a circulating gas heat exchanger pickling device, which comprises a cleaning tank, a circulating gas heat exchanger and a boundary area external circulating water system, wherein the cleaning tank, the circulating gas heat exchanger and the boundary area external circulating water system are connected through a pipeline; the cleaning tank is used for preparing an acid cleaning reagent, the circulating gas heat exchanger is used for cleaning dirt in the circulating gas heat exchanger by utilizing a circulating water system, and the circulating water system outside the battery limits provides circulating water for acid cleaning. Circulation gas heat exchanger pickling device can realize the online pickling of circulation gas heat exchanger under the condition that does not reduce production load, device do not stop, extension circulation gas heat exchanger operating cycle.
Description
Technical Field
The utility model relates to a chemical industry equipment washs technical field, concretely relates to circulating gas heat exchanger pickling device.
Background
In recent years, the UNIPOL polypropylene process (a comprehensive technology and service pack that combines product and catalyst know-how with leading gas phase process technology and technology transfer expertise, typically consisting of one or two gas phase fluidized bed reactors, uses one reactor for homopolymer and random copolymer production and a two-stage reactor for impact copolymer production, to add a major elastomer component to the growing copolymer chain, resulting in an unrivaled homogeneity of the product) has rapidly grown in the country where the heat of reaction in the reactor is exchanged primarily through a recycle gas heat exchanger, taking the heat away. Circulating water is used for cooling the circulating gas heat exchanger, and the heat exchange efficiency is reduced due to scaling caused by long-term use of the circulating gas heat exchanger, so that the production load is influenced.
The circulating gas heat exchanger in the prior art uses a circulating water heat exchanger, and because the circulating water quality standard is low, and the operation of the circulating gas heat exchanger is stable at 45-65 ℃, after the circulating gas heat exchanger generally operates for more than 8 months, the heat exchange efficiency of the circulating gas heat exchanger can be obviously reduced, and the production load is influenced; meanwhile, the pickling operation isolated by the circulating gas heat exchanger needs to be stopped, the system is complicated to stop, and the stopping time exceeds 24 hours, so that the economic benefit is seriously influenced.
Therefore, it is desirable to provide a new technical solution to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the low and long problem consuming time of UNIPOL polypropylene technology mesocycle gas heat exchanger heat exchange efficiency who exists of prior art, providing a cycle gas heat exchanger pickling installation, cycle gas heat exchanger pickling installation can realize the online pickling of cycle gas heat exchanger under the circumstances that does not reduce production load, device do not stop, extension cycle gas heat exchanger operating cycle.
In order to achieve the purpose, the utility model provides a circulating gas heat exchanger pickling device, which comprises a cleaning tank, a circulating gas heat exchanger and a boundary area external circulating water system, wherein the cleaning tank, the circulating gas heat exchanger and the boundary area external circulating water system are connected through a pipeline; the cleaning tank is used for preparing an acid cleaning reagent, the circulating gas heat exchanger is used for cleaning dirt in the circulating gas heat exchanger by utilizing a circulating water system, and the circulating water system outside the battery limits provides circulating water for acid cleaning.
Preferably, the cleaning tank comprises a cleaning pump for introducing the prepared pickling agent into the circulating gas heat exchanger.
Preferably, the cleaning pump is an acid-resistant pump.
Preferably, the circulating gas heat exchanger comprises a leaching guide pipe, and the leaching guide pipe is positioned at the bottom of the circulating gas heat exchanger and used for discharging the pickled sludge.
Preferably, the guiding and leaching pipe is provided with a guiding and leaching valve, and the mud dirt after the acid leaching is discharged through the guiding and leaching valve.
Preferably, the boundary outside water circulating system comprises a boundary outside water system and a boundary outside water returning system, the boundary outside water system is used for providing water, and the boundary outside water returning system is used for returning water after heat exchange.
Preferably, the boundary area outside water system is provided with a water inlet valve, and the water inlet valve is used for controlling the flow of outside water.
Preferably, the boundary region external water return system is provided with a water return valve, and the external water return flow is controlled through the water return valve.
Compared with the prior art, the utility model provides a circulating gas heat exchanger pickling device, which comprises a cleaning tank, a circulating gas heat exchanger and a boundary area external circulating water system, wherein the cleaning tank, the circulating gas heat exchanger and the boundary area external circulating water system are connected through pipelines; the cleaning tank is used for preparing an acid cleaning reagent, the circulating gas heat exchanger is used for cleaning dirt in the circulating gas heat exchanger by utilizing a circulating water system, and the circulating water system outside the battery limits provides circulating water for acid cleaning. The utility model provides a circulation gas heat exchanger pickling installation can realize the online pickling of circulation gas heat exchanger under the condition that does not reduce production load, device do not stop, extension circulation gas heat exchanger operating cycle.
Drawings
FIG. 1 is a schematic flow diagram of a pickling apparatus for a recycle gas heat exchanger according to the present invention.
Description of the reference numerals
1-a cleaning tank; 11-cleaning the pump; 2-circulating gas heat exchanger; 21-a drainage pipe; 211-a pilot shower valve; 3-a circulating water system outside the battery compartment; 31-boundary zone external water system; 311-water valve; 32-boundary zone external water return system; 321-a water return valve; 100-cycle gas heat exchanger device.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.
Further, terms of orientation or positional relationship indicated by "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are described based on the orientation or relative positional relationship shown in the drawings, are simply for convenience of description of the present application, and do not indicate that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1, the present invention provides a circulating gas heat exchanger apparatus 100, which includes a cleaning tank 1, a circulating gas heat exchanger 2 and a district external circulating water system 3, wherein the cleaning tank 1, the circulating gas heat exchanger 2 and the district external circulating water system 3 are connected by a pipeline; the cleaning tank 1 is used for configuring an acid washing reagent, the circulating gas heat exchanger 2 is used for washing dirt in the circulating gas heat exchanger by utilizing a circulating water system, and the circulating water system 3 outside the battery compartment is used for providing circulating water for acid washing.
The utility model provides a circulation gas heat exchanger pickling plant 100 can realize the online pickling of circulation gas heat exchanger under the condition that does not reduce production load, device do not stop, extension circulation gas heat exchanger operating cycle.
Specifically, the cleaning tank 1 includes a cleaning pump 11, and the cleaning pump 11 is used for introducing a prepared pickling agent into the circulating gas heat exchanger 2 to supply a pickling raw material.
The cleaning pump 11 is an acid-proof pump. The acid-proof pump adopts non-metallic materials as the flow passage components of the pump, and is prevented from being corroded by the acid washing reagent flowing through the cleaning pump.
The circulating gas heat exchanger 2 comprises a leaching guide pipe 21, and the leaching guide pipe 21 is positioned at the bottom of the circulating gas heat exchanger 2 and used for discharging the sludge after acid washing.
Further, the guiding and leaching pipe 21 is provided with a guiding and leaching valve 211, and the sludge after the pickling is discharged out of the circulating gas heat exchanger pickling device 100 through the guiding and leaching valve 211.
The boundary outside water circulating system 3 comprises a boundary outside water system 31 and a boundary outside water returning system 32, wherein the boundary outside water system 31 is used for providing water, and the boundary outside water returning system 32 is used for returning water after heat exchange.
The boundary region outside water system 31 is provided with a water inlet valve 311, and the outside water inlet flow is controlled by the water inlet valve 311. The boundary region outside water return system 32 is provided with a water return valve 321, and the outside water return flow is controlled through the water return valve 321. The utility model discloses an adjust boundary area external water system 31 with pressure differential between intaking and the return water between the boundary area external water return system 32 guarantees circulating gas heat exchanger pickling device 100 is in balanced state in work whole system.
The utility model provides a circulation gas heat exchanger pickling plant 100's work flow does:
firstly, injecting water into the cleaning tank 1, then adding concentrated sulfuric acid, and simultaneously adding a corrosion inhibitor to prepare a pickling reagent, then injecting the prepared pickling reagent into the circulating gas heat exchanger 2 through the cleaning pump 11, cleaning dirt in the circulating gas heat exchanger 2 by using a circulating water system, discharging the dirt through a spray guide valve 211 on a spray guide pipe 21, during the period, supplying water to the whole system by an outside-boundary water system 31 in an outside-boundary circulating water system 3, returning water after heat exchange of an outside-boundary water return system 32 to finish dissolving the dirt in the circulating gas heat exchanger 2, and stopping the operation of the circulating gas heat exchanger pickling device 100.
Compared with the prior art, the utility model provides a circulating gas heat exchanger pickling device, which comprises a cleaning tank, a circulating gas heat exchanger and a boundary area external circulating water system, wherein the cleaning tank, the circulating gas heat exchanger and the boundary area external circulating water system are connected through pipelines; the cleaning tank is used for preparing an acid cleaning reagent, the circulating gas heat exchanger is used for cleaning dirt in the circulating gas heat exchanger by utilizing a circulating water system, and the circulating water system outside the battery limits provides circulating water for acid cleaning. The utility model provides a circulation gas heat exchanger pickling installation can realize the online pickling of circulation gas heat exchanger under the condition that does not reduce production load, device do not stop, extension circulation gas heat exchanger operating cycle.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. In the technical idea scope of the present invention, it can be right to the technical solution of the present invention perform multiple simple modifications, including each technical feature combined in any other suitable manner, these simple modifications and combinations should be regarded as the disclosed content of the present invention, and all belong to the protection scope of the present invention.
Claims (8)
1. The pickling device for the circulating gas heat exchanger is characterized by comprising a cleaning tank (1), the circulating gas heat exchanger (2) and a boundary area external circulating water system (3), wherein the cleaning tank (1), the circulating gas heat exchanger (2) and the boundary area external circulating water system (3) are connected through a pipeline; the cleaning tank (1) is used for being configured with an acid cleaning reagent, the circulating gas heat exchanger (2) is used for cleaning dirt in the circulating water system, and the outside-battery-limit circulating water system (3) is used for providing circulating water for cleaning.
2. A cycle gas heat exchanger pickling device according to claim 1, wherein the cleaning tank (1) comprises a cleaning pump (11), the cleaning pump (11) being adapted to introduce the prepared pickling agent into the cycle gas heat exchanger (2).
3. The pickling device of a circulating gas heat exchanger according to claim 2, wherein the cleaning pump (11) is an acid-resistant pump.
4. The pickling device of the recycle gas heat exchanger according to claim 1, wherein the recycle gas heat exchanger (2) comprises a drain pipe (21), and the drain pipe (21) is located at the bottom of the recycle gas heat exchanger (2) and used for discharging the pickled sludge.
5. The pickling device of the circulating gas heat exchanger as claimed in claim 4, wherein the guiding and leaching pipe (21) is provided with a guiding and leaching valve (211), and the pickled sludge is discharged through the guiding and leaching valve (211).
6. The pickling device for the circulating gas heat exchanger as claimed in claim 1, wherein the outside-boundary circulating water system (3) comprises an outside-boundary water system (31) and an outside-boundary water return system (32), the outside-boundary water system (31) is used for supplying water, and the outside-boundary water return system (32) is used for returning water after heat exchange.
7. The pickling device of the circulating gas heat exchanger as claimed in claim 6, wherein the district external water system (31) is provided with a water inlet valve (311), and the flow of external water is controlled by the water inlet valve (311).
8. The pickling device of the recycle gas heat exchanger as claimed in claim 6, wherein the out-of-limit return water system (32) is provided with a return valve (321), and the flow rate of the outside return water is controlled through the return valve (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021476975.9U CN212431916U (en) | 2020-07-23 | 2020-07-23 | Acid washing device of circulating gas heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021476975.9U CN212431916U (en) | 2020-07-23 | 2020-07-23 | Acid washing device of circulating gas heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212431916U true CN212431916U (en) | 2021-01-29 |
Family
ID=74279370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021476975.9U Active CN212431916U (en) | 2020-07-23 | 2020-07-23 | Acid washing device of circulating gas heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212431916U (en) |
-
2020
- 2020-07-23 CN CN202021476975.9U patent/CN212431916U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104876833A (en) | Microreactor device for producing 2-hydroxyethylhydrazine and preparation process | |
| WO2021128726A1 (en) | System and method for treating n-(phosphonomethyl)iminodiacetic acid highly saline wastewater | |
| CN212431916U (en) | Acid washing device of circulating gas heat exchanger | |
| CN111417598A (en) | System and method for treating high-salinity high-organic wastewater and recycling energy | |
| CN107185476B (en) | Multi-stage, multi-functional injection reactor system and method of operating the same | |
| CN215288581U (en) | Complete equipment for producing cationic polymer monomer by continuous reaction | |
| CN108530316B (en) | Fixed bed heat recovery type ammoximation reaction system | |
| CN215403340U (en) | Anaerobic reactor of marsh gas inner loop | |
| CN203577463U (en) | Treatment system for treating waste sulfuric acid produced after treatment of furnace gas | |
| CN204933436U (en) | Two autoclave continuous nitrification reaction unit | |
| CN207361786U (en) | A kind of phosphoric acid,diluted recycles iodine device | |
| CN208632327U (en) | A kind of advanced oxidation processes treatment process device of the waste water containing sodium phenolate | |
| CN103183361B (en) | Process for preventing ammonium salt crystallization from clogging in medium-pressure sulfur-resistant conversion | |
| CN2892837Y (en) | High-concentration industrial waste water processing system | |
| CN105237357B (en) | A kind of hydrogenation reaction device | |
| CN106140044A (en) | A kind of liquid ammonia evaporating device for cyclohexanone oxamidinating reaction | |
| CN219898147U (en) | Lithium carbonate carbonization device system | |
| CN215908873U (en) | Outer drainage intercommunication system of tower pond circulating water | |
| CN211886859U (en) | Immersion type continuous production device for defluorination filter material | |
| CN217368282U (en) | Safe and efficient dilute sulfuric acid preparation system | |
| CN210736433U (en) | Skid-mounted integrated multistage deamination system | |
| CN217410715U (en) | Shell and tube hydrogenation ware | |
| CN219129075U (en) | Catalyst preparation pipeline | |
| CN103585816A (en) | Method and system for treating waste sulfuric acid produced after treatment of furnace gas | |
| CN201713409U (en) | Processing system for high-concentration industrial sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220922 Address after: 017318 Tuke Industrial Park, Wushen Banner, Ordos City, Inner Mongolia Autonomous Region Patentee after: CHINACOAL ERDOS ENERGY CHEMICAL CO.,LTD. Address before: 017320 Chemical Project Zone of Wushenqi Wushenzhao Town, Ordos City, Inner Mongolia Autonomous Region Patentee before: INNER MONGOLIA ZHONGMEI MENGDA NEW ENERGY CHEMICAL CO.,LTD. |
|
| TR01 | Transfer of patent right |