CN220404880U - MVR energy-saving evaporation crystallizer - Google Patents
MVR energy-saving evaporation crystallizer Download PDFInfo
- Publication number
- CN220404880U CN220404880U CN202321707749.0U CN202321707749U CN220404880U CN 220404880 U CN220404880 U CN 220404880U CN 202321707749 U CN202321707749 U CN 202321707749U CN 220404880 U CN220404880 U CN 220404880U
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- Prior art keywords
- pipe
- outer tube
- tube
- crystallization
- gas injection
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- 230000008020 evaporation Effects 0.000 title abstract description 8
- 238000001704 evaporation Methods 0.000 title abstract description 8
- 238000002425 crystallisation Methods 0.000 claims abstract description 31
- 230000008025 crystallization Effects 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000002347 injection Methods 0.000 claims description 31
- 239000007924 injection Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses an MVR energy-saving evaporation crystallizer, which comprises a crystallization chamber, wherein a connecting pipe is arranged at the top of the crystallization chamber, and comprises: one end of the outer tube is welded on the crystallization chamber, the other end of the outer tube is connected with the heating chamber, and the outer surface of the connecting tube is connected with the outer tube; the inner tube is arranged in the outer tube, a space exists between the inner tube and the outer tube, a sealed cavity is formed between the inner tube and the outer tube, the outer tube is communicated with the cavity, support columns are fixed between the outer tube and the inner tube, and the support columns are distributed in a staggered mode; through the connecting pipe of design, can realize thermal-insulated effect through the structure of inner and outer tube, reduce heat conduction, also can reduce the temperature of outer tube simultaneously to reduce the risk that exposes in the air and exist because of the high temperature, and in use, can also realize the heat preservation to inner tube temperature through filling inert gas, further reduce the heat conduction between inner and outer tube, thereby effectively avoided the heat loss, promoted work efficiency.
Description
Technical Field
The utility model belongs to the technical field of evaporative crystallizers, and particularly relates to an MVR energy-saving evaporative crystallizer.
Background
The evaporation concentration crystallization of the wastewater containing the salt and the organic matters heats the wastewater containing the inorganic salt and the organic matters to a boiling state in a heat exchange mode, so that the supersaturation degree of the solution is achieved, the MVR evaporation concentration crystallizer realizes almost all regeneration and recycling of heat energy, and therefore the evaporation concentration crystallization is not a traditional high energy consumption process any more, and the high-efficiency energy-saving effect is achieved.
In the existing evaporation crystallizer, a heating chamber can transmit high-temperature liquid into the crystallizer in the processing, and in the transmission process, heat loss can be caused because a transmitted pipeline is of a single-layer structure, so that the processing efficiency is affected.
Disclosure of Invention
The utility model aims to provide an MVR energy-saving evaporative crystallizer, which aims to solve the problems that the whole heat insulation performance of a water inlet pipeline on the existing crystallizer provided in the background art is poor and heat energy loss is easy to occur in transmission.
In order to achieve the above purpose, the present utility model provides the following technical solutions: MVR energy-conserving evaporation crystallizer, including the crystallization room the top of crystallization room is provided with the connecting pipe, and this connecting pipe includes:
one end of the outer tube is welded on the crystallization chamber, the other end of the outer tube is connected with the heating chamber, and the outer surface of the connecting tube is connected with the outer tube;
the inner tube is arranged inside the outer tube, a space exists between the inner tube and the outer tube, a sealed cavity is formed, and the outer tube is communicated with the cavity.
Preferably, support columns are also fixed between the outer tube and the inner tube, and the support columns are distributed in a staggered mode.
Preferably, the device further comprises an air injection pipe, an end pipe is sleeved outside the air injection pipe, an air injection channel is formed in the end pipe towards the air injection pipe, a conical channel is formed in the end pipe away from the air injection pipe, one end of the conical channel penetrates through and extends to the outside of the end pipe, the other end of the conical channel is communicated with the air injection channel, and a floating ball is further placed in the conical channel.
Preferably, a limiting rod is further fixed in the gas injection channel, the floating ball is of a hollow structure, and the ball diameter of the floating ball is larger than the inner diameter of one end of the conical channel and smaller than the inner diameter of the other end of the conical channel.
Preferably, the bottom of the side edge of the crystallization chamber is also communicated with a circulating pipe, a raw water inlet pipe for entering liquid to be treated is arranged on the circulating pipe, an annular groove is formed in the end face of the raw water inlet pipe, and a sealing ring is embedded in the annular groove.
Preferably, the circulating pipe is connected with an axial flow pump at the bottom of the heating chamber, a compressor is further arranged outside the heating chamber, a feeding end of the compressor is communicated with the top of the crystallization chamber, and a discharging end of the compressor is connected with the heating chamber.
Preferably, a foam remover is further arranged on the inner side of the top of the crystallization chamber, and a crystal slurry discharge pipe is further communicated with the bottom of the crystallization chamber.
Compared with the prior art, the utility model has the beneficial effects that:
through the connecting pipe of design, can realize thermal-insulated effect through the structure of inside and outside pipe, reduce heat conduction, also can reduce the temperature of outer tube simultaneously to reduce and expose the danger that exists because of the high temperature in the air, and in use, can also realize the heat preservation to the inner tube temperature through filling inert gas, further reduce the heat conduction between the inside and outside pipe, thereby effectively avoided the heat to run off, promoted work efficiency, make power conversion maximize, reached energy-conserving purpose.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of a connecting tube of the present utility model;
FIG. 3 is a cross-sectional view of the connection of the gas injection tube and the end tube of the present utility model;
fig. 4 is a cross-sectional view of a raw water inlet pipe of the present utility model.
In the figure: 100. a crystallization chamber; 101. a circulation pipe; 101a, a raw water inlet pipe; 101b, a sealing ring; 102. an axial flow pump; 103. a compressor; 200. a heating chamber; 201. a connecting pipe; 201a, an outer tube; 201b, an inner tube; 201c, an air injection pipe; 201d, support columns; 202. an end pipe; 202a, a tapered channel; 202b, an air injection channel; 202c, a limiting rod; 203. and a floating ball.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the MVR energy-saving evaporative crystallizer comprises a crystallization chamber 100, wherein a connecting pipe 201 is arranged at the top of the crystallization chamber 100, and the connecting pipe 201 comprises:
an outer tube 201a having one end welded to the crystallization chamber 100 and the other end connected to a heating chamber 200, wherein in use, the heating chamber 200 heats the injected liquid and then is introduced into the crystallization chamber 100 through the outer tube 201a, and the outer surface of the connecting tube 201 is connected to the outer tube 201a;
the inner tube 201b is arranged inside the outer tube 201a, a space exists between the inner tube 201b and the outer tube 201a, a sealed cavity is formed, the outer tube 201a is communicated with the cavity, and before the air injection tube 201c is used, inert gas of external inert gas supply equipment is injected into the cavity between the outer tube 201a and the inner tube 201b, so that the purposes of heat preservation and heat insulation are achieved.
In this embodiment, preferably, support columns 201d are further fixed between the outer tube 201a and the inner tube 201b, the support columns 201d are distributed in a staggered manner, and the support connection between the outer tube 201a and the inner tube 201b is realized through the support columns 201 d.
In this embodiment, preferably, the air injection pipe 201c is further provided, the end pipe 202 connected to the external inert gas supply device is sleeved outside the air injection pipe 201c, the air injection channel 202b is formed inside the end pipe 202 in the direction towards the air injection pipe 201c, the tapered channel 202a is formed inside the end pipe away from the air injection pipe 201c, one end of the tapered channel 202a penetrates through and extends to the outside of the end pipe 202, the other end of the tapered channel is communicated with the air injection channel 202b, the floating ball 203 is further placed inside the tapered channel 202a, in air injection, the inert gas pushes the floating ball 203 in the direction towards the air injection channel 202b, at this time, the space of the air injection channel 202b is enlarged, so that the gas flows into the air injection pipe 201c, and finally is injected into the cavity.
In this embodiment, preferably, a stop lever 202c for limiting the floating ball 203 is fixed in the gas injection channel 202b, so as to avoid the floating ball 203 from plugging the port of the gas injection pipe 201c under the drive of inert gas, thereby realizing normal gas transmission; the floating ball 203 is of a hollow structure, the sphere diameter of the floating ball 203 is larger than the inner diameter of one end of the conical channel 202a and smaller than the inner diameter of the other end of the conical channel 202a, and after gas injection is stopped, the gas in the cavity can reversely push the floating ball 203, so that the floating ball 203 plugs one end of the conical channel 202a, and gas closure is achieved.
In this embodiment, preferably, the bottom of the side of the crystallization chamber 100 is further communicated with a circulation pipe 101, a raw water inlet pipe 101a for entering the liquid to be treated is provided on the circulation pipe 101, an annular groove is provided on the end surface of the raw water inlet pipe 101a, and a sealing ring 101b is embedded in the annular groove to realize the sealing in connection with an external pipeline.
In this embodiment, preferably, the bottom of the circulation pipe 101 and the bottom of the heating chamber 200 are connected with an axial flow pump 102, the axial flow pump 102 can convey the injected liquid into the heating chamber 200, after the liquid is heated by the heating chamber 200, the injected liquid is conveyed into the crystallization chamber 100 through a connecting pipe 201, a compressor 103 is further arranged outside the heating chamber 200, a feeding end of the compressor 103 is communicated with the top of the crystallization chamber 100, a discharging end of the compressor 103 is connected with the heating chamber 200, and high-temperature gas exhausted from the crystallization chamber 100 can be conveyed into the heating chamber 200 again, so that cyclic heating is realized, and an energy-saving effect is achieved.
In this embodiment, preferably, a demister is further disposed on the inner side of the top of the crystallization chamber 100, and a slurry discharge pipe is further connected to the bottom of the crystallization chamber 100.
Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
- MVR energy-saving evaporative crystallizer, including crystallization room (100) the top of crystallization room (100) is provided with connecting pipe (201), its characterized in that: the connection pipe (201) comprises:an outer tube (201 a), one end of which is welded on the crystallization chamber (100), and the other end of which is connected with the heating chamber (200), wherein the outer surface of the connecting tube (201) is connected with the outer tube (201 a);an inner tube (201 b) which is built in the outer tube (201 a), wherein a space exists between the inner tube (201 b) and the outer tube (201 a), a sealed cavity is formed, and the outer tube (201 a) is communicated with the cavity.
- 2. The MVR energy efficient evaporative crystallizer of claim 1, wherein: support columns (201 d) are also fixed between the outer tube (201 a) and the inner tube (201 b), and the support columns (201 d) are distributed in a staggered mode.
- 3. The MVR energy efficient evaporative crystallizer of claim 1, wherein: still include gas injection pipe (201 c), the outside cover of gas injection pipe (201 c) is equipped with end pipe (202), gas injection passageway (202 b) have been seted up towards the inside of gas injection pipe (201 c) direction to end pipe (202), and conical channel (202 a) have been seted up to the inside of keeping away from gas injection pipe (201 c) direction, and the outside of end pipe (202) is link up to the one end of this conical channel (202 a), and the other end and gas injection passageway (202 b) intercommunication conical channel (202 a)'s inside has still been placed floater (203).
- 4. The MVR energy efficient evaporative crystallizer of claim 3, wherein: the inside of gas injection passageway (202 b) is still fixed with gag lever post (202 c), floater (203) are hollow structure, the sphere diameter of floater (203) is greater than the one end internal diameter of toper passageway (202 a), is less than the other end internal diameter of toper passageway (202 a).
- 5. The MVR energy efficient evaporative crystallizer of claim 1, wherein: the crystallization device is characterized in that the bottom of the side edge of the crystallization chamber (100) is also communicated with a circulation pipe (101), a raw water inlet pipe (101 a) for entering liquid to be treated is arranged on the circulation pipe (101), an annular groove is formed in the end face of the raw water inlet pipe (101 a), and a sealing ring (101 b) is embedded in the annular groove.
- 6. The MVR energy efficient evaporative crystallizer of claim 5, wherein: the circulating pipe (101) is connected with an axial flow pump (102) at the bottom of the heating chamber (200), a compressor (103) is further arranged outside the heating chamber (200), a feeding end of the compressor (103) is communicated with the top of the crystallization chamber (100), and a discharging end of the compressor is connected with the heating chamber (200).
- 7. The MVR energy efficient evaporative crystallizer of claim 6, wherein: the inner side of the top of the crystallization chamber (100) is also provided with a foam remover, and the bottom of the crystallization chamber (100) is also communicated with a crystal slurry discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321707749.0U CN220404880U (en) | 2023-07-03 | 2023-07-03 | MVR energy-saving evaporation crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321707749.0U CN220404880U (en) | 2023-07-03 | 2023-07-03 | MVR energy-saving evaporation crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220404880U true CN220404880U (en) | 2024-01-30 |
Family
ID=89650560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321707749.0U Active CN220404880U (en) | 2023-07-03 | 2023-07-03 | MVR energy-saving evaporation crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220404880U (en) |
-
2023
- 2023-07-03 CN CN202321707749.0U patent/CN220404880U/en active Active
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