CN220090509U - Parallelly connected sled dress formula MVR evaporimeter structure - Google Patents
Parallelly connected sled dress formula MVR evaporimeter structure Download PDFInfo
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- CN220090509U CN220090509U CN202321263985.8U CN202321263985U CN220090509U CN 220090509 U CN220090509 U CN 220090509U CN 202321263985 U CN202321263985 U CN 202321263985U CN 220090509 U CN220090509 U CN 220090509U
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- 239000000463 material Substances 0.000 claims abstract description 62
- 238000000926 separation method Methods 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 9
- 238000004064 recycling Methods 0.000 claims abstract description 8
- 238000005406 washing Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
A parallel skid-mounted MVR evaporator structure comprising: the preheating system comprises a first preheater and a second preheater which are arranged in parallel, and the materials exchange heat with condensed water in the first preheater and the second preheater. The condensed water heat energy recycling system comprises a condensed water tank and a condensed water pump which are connected through a condensed pipeline. The first-effect separation system comprises a first-effect separator, a first-effect heater, a first-effect circulating pump, a first-effect feeding valve and a first-effect discharging valve which are connected through a material pipeline. The second-effect separation system comprises a second-effect separator, a second-effect heater, a second-effect circulating pump, a second-effect feeding valve, a second-effect discharging valve, a discharging pump and a sampling station which are connected through a material pipeline. The steam circulation system comprises a steam compressor and a scrubber which are connected through a steam pipeline; the separated steam sequentially enters the gas washing tower and the steam compressor after passing through the steam pipeline. According to the evaporator structure, the first-effect separation system and the second-effect separation system are connected in parallel, so that the recycling efficiency of steam heat energy is improved.
Description
Technical Field
The utility model relates to the technical field of industrial waste liquid treatment equipment, in particular to a parallel skid-mounted MVR evaporator structure.
Background
MVR evaporator (abbreviation of English Mechanical Vapor Recompression, also abbreviation of mechanical vapor recompression), MVR evaporator adopts clean energy "electric energy" to drive vapor compressor, compresses the vapor produced in the separator, converts mechanical energy into heat energy, raises the temperature and pressure of secondary vapor, fully utilizes latent heat of vapor to replace fresh vapor as heat energy, and introduces secondary vapor circulation into heater to heat material (waste water and waste liquid produced in industrial production or life), and utilizes forced circulation to raise evaporation concentration of material.
Because some materials (such as industrial waste liquid) have complex components, the environmental protection treatment process has strict indexes required to be achieved, and the conventional evaporator is used for treating the materials, so that the following defects exist:
1) The steam heat energy is not recycled, and the efficiency is low;
2) Complicated process, complicated operation, large occupied area, and non-compact and unattractive equipment;
3) On-site installation is required, and time and labor are wasted.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a parallel skid-mounted MVR evaporator structure, which overcomes the defects in the prior art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides a parallelly connected sled dress formula MVR evaporator structure, includes preheating system, cooling water circulation system, one effect piece-rate system, two effect piece-rate systems, steam circulation system and fresh steam generation system, further:
the preheating system comprises a first preheater and a second preheater which are arranged in parallel, wherein materials enter the first preheater and the second preheater through input material pipelines and then flow into a first-effect separation system and a second-effect separation system through output material pipelines;
the condensed water heat energy recycling system comprises a condensed water tank and a condensed water pump which are connected through a condensed pipeline, wherein the condensed water pump pumps condensed water in the condensed water tank into the first preheater and the second preheater;
the first-effect separation system comprises a first-effect separator, a first-effect heater, a first-effect circulating pump, a first-effect feeding valve and a first-effect discharging valve which are connected through a material pipeline; the material flowing through the first-effect feeding valve and the material in the first-effect separator flow into the first-effect heater through the first-effect circulating pump;
the secondary separation system comprises a secondary separator, a secondary heater, a secondary circulating pump, a secondary feeding valve, a secondary discharging valve and a discharging pump which are connected through a material pipeline; the materials flowing through the two-effect feed valve and the materials in the two-effect separator enter the two-effect heater through the two-effect circulating pump flow;
the steam circulation system comprises a steam compressor and a scrubber which are connected through a steam pipeline; the separated steam sequentially enters the gas washing tower and the steam compressor after passing through the steam pipeline, and compressed steam generated by the steam compressor respectively flows into the first-effect heater and the second-effect heater through the steam pipeline.
Further, the fresh steam generation system comprises a steam generator and a fresh steam pipeline, and the fresh steam pipeline is communicated with the steam pipeline through a fresh steam valve.
Further, the two-effect separation system further comprises a two-effect sampling station, and the two-effect sampling station is connected with the two-effect separator through a three-way valve.
Further, the one-effect discharge valve is arranged between the one-effect circulating pump and the one-effect heater.
Preferably, the first-effect feeding valve and the first-effect discharging valve are through valves.
Preferably, the one-effect discharge valve is directly connected with the two-effect feed valve.
Further, the parallel skid-mounted MVR evaporator structure further comprises four layers of steel structure frames, and a ladder stand is built between the four layers of steel structure frames.
Preferably, the steel structure frame is formed by welding and processing profile steel.
Compared with the prior art, the utility model has the beneficial effects that:
1) According to the parallel skid-mounted MVR evaporator structure, the first-effect separation system performs evaporation separation on materials, and the second-effect separation system performs evaporation separation on the materials, so that the first-effect separation system and the second-effect separation system form an efficient parallel relationship, and the recycling efficiency of steam heat energy is improved.
2) In the parallel skid-mounted MVR evaporator structure, the centrifugal vapor compressor is adopted, the parallel skid-mounted MVR evaporator structure is very suitable for working conditions of large flow and small temperature rise, the input power of the centrifugal compressor can be mostly converted into fluid power, the efficiency is high, and the fluid flow is stable in a high-efficiency area.
3) In the parallel skid-mounted MVR evaporator structure, by arranging the first-effect circulating pump and the second-effect circulating pump, the flow velocity of materials entering the first-effect heater and the second-effect heater is increased, so that turbulent flow is formed, the scaling possibility is reduced, and the long-term stable operation of the system is ensured.
4) The parallel skid-mounted MVR evaporator structure can improve the energy conversion rate, reduce the scaling risk, has compact scaling and high stability, is applied to different industries, and realizes the automatic control of stable feeding and discharging.
5) This parallelly connected sled dress formula MVR evaporator structure of case, all equipment are all installed on steel construction frame, sled dress formula integral erection, whole compacter, and furthest has reduced the pipeline of connecting in the equipment moreover for equipment cost reduces, and the structure is simpler, and dismouting transportation is more convenient and fast.
In order that the utility model may be more clearly understood, preferred embodiments of the utility model will be described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic illustration of the connection of the present utility model;
fig. 2 and 3 are perspective views of the present utility model from different perspectives.
The attached drawings are identified:
10-a first preheater, 11-a second preheater; 20-a condensate water tank and 21-a condensate water pump; 30-one-effect separators, 31-one-effect heaters, 32-one-effect circulating pumps, 33-one-effect feed valves and 34-one-effect discharge valves; a 40-double-effect separator, a 41-double-effect heater, a 42-double-effect circulating pump, a 43-double-effect feeding valve, a 44-discharging pump and a 45-double-effect sampling station; a 50-two vapor compressor and a 51-scrubber; 60-steam generator.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are primarily for distinguishing between different devices, elements, or components (the particular categories and configurations may be the same or different) and are not intended to indicate or imply relative importance or quantity of the devices, elements, or components indicated, but are not to be construed as indicating or implying relative importance.
Furthermore, unless explicitly stated or limited otherwise, the terms "mounted," "configured with," "engaged with/connected to," and the like, are to be construed broadly as meaning, for example, "connected to," whether fixedly connected to, detachably connected to, or integrally connected to; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two elements; the specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, the present utility model provides a parallel skid-mounted MVR evaporator structure, which comprises a preheating system, a condensed water heat energy recycling system, a first-effect separation system, a second-effect separation system, a steam circulation system and a fresh steam generation system.
The preheating system comprises a first preheater 10 and a second preheater 11 which are arranged in parallel, wherein materials enter the first preheater 10 and the second preheater 11 through input material pipelines and then flow into a first-effect separation system and a second-effect separation system through output material pipelines; the first preheater 10 and the second preheater 11 are one by one and mutually redundant, so that the online working time of the system is ensured.
The condensed water heat energy recycling system comprises a condensed water tank 20 and a condensed water pump 21 which are connected through a condensed pipeline, condensed water generated in the first-effect separation system and the second-effect separation system flows into the condensed water tank 20 through the condensed pipeline, and the condensed water pump 21 pumps the condensed water in the condensed water tank 20 into the first preheater 10 and the second preheater 11; after the heat exchange between the materials in the preheating system and the condensed water, preheating and heating up flow into the first-effect separation system and the second-effect separation system; under the heat exchange effect of the condensed water, the material completes the first temperature rise in the preheating system.
The first-effect separation system comprises a first-effect separator 30, a first-effect heater 31, a first-effect circulating pump 32, a first-effect feeding valve 33 and a first-effect discharging valve 34 which are connected through a material pipeline; after the material is preheated to a certain temperature by a preheating system, the material flows through an effective feed valve 33 and then enters an effective separator 30, when the liquid level in the effective separator 30 reaches a preset value, an effective circulating pump 32 is started, under the action of negative pressure, the material flowing through the effective feed valve 33 and the material in the effective separator 30 flow into an effective heater 31 through the effective circulating pump 32, in the effective heater 31, the material exchanges heat with secondary steam provided by a steam circulating system and heats, and the heated material flows into the effective separator 30 through a material pipeline for continuous circulation; the material completes the second heating up in the first separator 30 under the heat exchange effect of the secondary steam.
Further, the first-effect discharge valve 34 is disposed between the first-effect circulation pump 32 and the first-effect heater 31, the first-effect discharge valve 34 is a through valve, when the first-effect circulation pump 32 is opened, the first-effect discharge valve 34 is opened at a certain opening degree, a part of materials are evaporated and separated in the first-effect separation system, and a part of materials flow into the second-effect separation system through the first-effect discharge valve 34.
The secondary separation system comprises a secondary separator 40, a secondary heater 41, a secondary circulating pump 42, a secondary feeding valve 43, a secondary discharging valve (not shown), a discharging pump 44 and a secondary sampling station 45 which are connected through a material pipeline; the material flowing from the first-effect discharge valve 34 flows through the second-effect feed valve 43 and then enters the second-effect separator 40, when the liquid level in the second-effect separator 40 reaches a preset value, the second-effect circulating pump 42 is started, under the action of negative pressure, the material flowing through the second-effect feed valve 43 and the material in the second-effect separator 40 flow into the second-effect heater 41 through the second-effect circulating pump 42, in the second-effect heater 41, the material exchanges heat with the secondary steam provided by the steam circulating system and is heated, and the heated material flows into the second-effect separator 40 through the material pipeline for continuous circulation; the material completes the second temperature rise in the secondary separator 40 under the heat exchange effect of the secondary steam.
Further, after the material is evaporated and separated in the two-effect separation system for a period of time, the discharge pump 44 is turned on, the material in the two-effect separator 40 flows through the two-effect discharge valve and the discharge pump 44 and then flows into the two-effect sampling station 45, the concentration of the material is sampled and detected in the two-effect sampling station 45, if the detection index does not reach the standard, the material returns to the two-effect separator 40 through the through valve for continuous evaporation and separation, and if the detection index reaches the standard, the evaporated and concentrated material is discharged through the through valve.
The steam circulation system comprises a centrifugal steam compressor 50 and a scrubber tower 51 which are connected by a steam pipeline; the separated steam generated in the first-effect separator 30 and the second-effect separator 40 respectively enters the gas washing tower 51 after passing through a steam pipeline, the gas washing tower 51 filters and washes the separated steam, the washed separated steam enters the steam compressor 50, the steam compressor 50 compresses the separated steam to generate compressed steam, the compressed steam respectively flows into the first-effect heater 31 and the second-effect heater 41 through the steam pipeline, and the compressed steam exchanges heat with materials in the first-effect heater 31 and the second-effect heater 41 to heat the materials; the circulation process of steam in the steam circulation system is as follows: the first-effect heater 31 and the second-effect heater 41- > the separation steam- > the scrubber 51- > the steam compressor 50- > the compression steam- > the first-effect heater 31 and the second-effect heater 41.
The fresh steam generation system comprises a steam generator 60 and a fresh steam pipeline, wherein the fresh steam pipeline is communicated with the steam pipeline through a fresh steam valve; the fresh steam generation system is used as the supplement of the steam circulation system, and the working principle is as follows: in the initial stage of production, when the separation steam is not generated in the first-effect separator 30 and the second-effect separator 40, the fresh steam generated by the steam generator 60 is introduced into the steam pipeline, and in this stage, the fresh steam replaces the separation steam and sequentially passes through the scrubber 51 and the steam compressor 50, and the compressed steam is generated after the fresh steam is compressed by the steam compressor 50, so that the continuous supply of the compressed steam is ensured.
In this embodiment, the first-effect separation system performs evaporation separation on the material and the second-effect separation system performs evaporation separation on the material, so that the first-effect separation system and the second-effect separation system form a high-efficiency parallel relationship.
Further, the first-effect feed valve 33 and the first-effect discharge valve 34 are both through valves.
Further, the first-effect discharge valve 34 is directly connected with the second-effect feed valve 43 through a material pipeline.
Further, in order to make the assembly structure more compact pleasing to the eye, parallelly connected sled dress formula MVR evaporator structure of this case still includes four-layer steel structure frame altogether, builds between each layer steel structure frame and has had the cat ladder, and whole steel structure frame adopts shaped steel welding processing to form.
The first preheater 10 and the second preheater 11 are arranged at the side close to the electric cabinet and far away from the ladder stand;
the condensate water tank 20 is arranged on the first layer of steel structure frame and is positioned below the two layers of platforms;
a condensate pump 21 mounted on the first layer steel structure frame and close to one end of the condensate tank 20;
the first-effect separator 30 and the second-effect separator 40 are arranged on the third and the fourth layers of steel structure frames in parallel and penetrate through the whole frame up and down;
the first-effect heater 31 and the second-effect heater 41 are arranged on the second-layer steel structure frame in parallel, and are respectively symmetrical left and right along the center line of the steel structure;
the first-effect circulating pump 32 and the second-effect circulating pump 42 are arranged on the first-layer steel structure frame in parallel, are positioned below the heater, have the axial surfaces flush with the central surface of the separator, and are symmetrical left and right along the central line of the steel structure;
a discharge pump 44 mounted on the first layer of steel structure frame with its axial surface flush with the central surface of the secondary separator 40;
a vapor compressor 50 installed near the side of the two-effect heater 41;
the steam generator 60 is arranged on the first layer of steel structure frame and positioned between the condensate water tank 20 and the electric cabinet and close to the ladder side;
and the electric cabinet is arranged on the first layer of steel structure frame.
Preferably, in this embodiment, the surfaces of the vapor compressor 50, the first-effect separator 30, the second-effect separator 40, the first-effect heater 31 and the second-effect heater 41 are all wrapped with insulation cotton, and the insulation cotton is used for separation, so as to reduce the heat energy interference during operation and improve the system stability.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (8)
1. The utility model provides a parallelly connected sled dress formula MVR evaporator structure, includes preheating system, comdenstion water heat energy recycling system, one effect piece-rate system, two effect piece-rate systems, steam cycle system and fresh steam generation system, its characterized in that:
the preheating system comprises a first preheater and a second preheater which are arranged in parallel, wherein materials enter the first preheater and the second preheater through input material pipelines and then flow into a first-effect separation system and a second-effect separation system through output material pipelines;
the condensed water heat energy recycling system comprises a condensed water tank and a condensed water pump which are connected through a condensed pipeline, wherein the condensed water pump pumps condensed water in the condensed water tank into the first preheater and the second preheater;
the first-effect separation system comprises a first-effect separator, a first-effect heater, a first-effect circulating pump, a first-effect feeding valve and a first-effect discharging valve which are connected through a material pipeline; the material flowing through the first-effect feeding valve and the material in the first-effect separator flow into the first-effect heater through the first-effect circulating pump;
the secondary separation system comprises a secondary separator, a secondary heater, a secondary circulating pump, a secondary feeding valve, a secondary discharging valve and a discharging pump which are connected through a material pipeline; the materials flowing through the two-effect feed valve and the materials in the two-effect separator enter the two-effect heater through the two-effect circulating pump flow;
the steam circulation system comprises a steam compressor and a scrubber which are connected through a steam pipeline; the separated steam sequentially enters the gas washing tower and the steam compressor after passing through the steam pipeline, and compressed steam generated by the steam compressor respectively flows into the first-effect heater and the second-effect heater through the steam pipeline.
2. The parallel skid-mounted MVR evaporator arrangement of claim 1 wherein: the fresh steam generation system comprises a steam generator and a fresh steam pipeline, and the fresh steam pipeline is communicated with the steam pipeline through a fresh steam valve.
3. The parallel skid-mounted MVR evaporator arrangement of claim 2 wherein: the two-effect separation system further comprises a two-effect sampling station, and the two-effect sampling station is connected with the two-effect separator through a three-way valve.
4. A parallel skid-mounted MVR evaporator construction according to claim 3 wherein: the first-effect discharge valve is arranged between the first-effect circulating pump and the first-effect heater.
5. A parallel skid-mounted MVR evaporator construction according to claim 3 wherein: the first-effect feeding valve and the first-effect discharging valve are both through valves.
6. A parallel skid-mounted MVR evaporator construction according to claim 3 wherein: the first-effect discharge valve is directly connected with the second-effect feed valve.
7. A parallel skid-mounted MVR evaporator construction according to claim 3 wherein: the ladder stand is characterized by further comprising four layers of steel structure frames, and a ladder stand is built between the layers of steel structure frames.
8. The parallel skid-mounted MVR evaporator construction of claim 7 wherein: the steel structure frame is formed by welding and processing profile steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321263985.8U CN220090509U (en) | 2023-05-23 | 2023-05-23 | Parallelly connected sled dress formula MVR evaporimeter structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321263985.8U CN220090509U (en) | 2023-05-23 | 2023-05-23 | Parallelly connected sled dress formula MVR evaporimeter structure |
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| Publication Number | Publication Date |
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| CN220090509U true CN220090509U (en) | 2023-11-28 |
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| CN202321263985.8U Active CN220090509U (en) | 2023-05-23 | 2023-05-23 | Parallelly connected sled dress formula MVR evaporimeter structure |
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- 2023-05-23 CN CN202321263985.8U patent/CN220090509U/en active Active
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