CN219194569U - Concentrated mother liquor evaporation treatment device - Google Patents
Concentrated mother liquor evaporation treatment device Download PDFInfo
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- CN219194569U CN219194569U CN202223610051.5U CN202223610051U CN219194569U CN 219194569 U CN219194569 U CN 219194569U CN 202223610051 U CN202223610051 U CN 202223610051U CN 219194569 U CN219194569 U CN 219194569U
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Abstract
The utility model discloses a concentrated mother liquor evaporation treatment device, which comprises: the jacket type evaporation kettle comprises a kettle body, a jacket arranged on the periphery of the kettle body, a first stirrer arranged in the kettle body, a concentrated mother liquor inlet and an exhaust outlet which are formed in the upper end of the kettle body, a liquid outlet which is arranged at the lower end of the kettle body, and a gate valve arranged at the liquid outlet, wherein the gate valve comprises a shell fixedly connected with the kettle body, a valve body for blocking the liquid outlet and a hand wheel which is arranged at the lower end of the shell, the hand wheel is connected with the valve body through a screw rod in the shell, and the jacket is provided with a steam inlet and a water outlet; the vacuum unit is connected with an exhaust port of the jacketed evaporation kettle; the filter press is provided with a liquid inlet, a liquid outlet and a slag discharging port, and the liquid inlet is connected with the gate valve through a filter pressing pump set; the air outlet of the air generator is connected with the liquid inlet of the filter press; the liquid inlet of the filter pressing liquid storage tank is connected with the liquid outlet of the filter press; and the salt mud storage tank is positioned below the slag discharging port of the filter press. By installing the gate valve at the liquid outlet of the kettle body, the kettle body can be prevented from being blocked.
Description
Technical Field
The utility model relates to the technical field of wastewater, in particular to a concentrated mother liquor evaporation treatment device.
Background
At present, evaporation concentration is widely applied in the wastewater treatment industry, particularly salt-containing wastewater is treated, the principle of evaporation is mainly utilized, the boiling point is reached under the negative pressure condition, water is further separated from the wastewater, the desalting effect is achieved, the MVR evaporator and the triple effect evaporator are commonly used at present, but the two evaporators treat the wastewater, namely, after the wastewater is evaporated to a certain concentration, the evaporation concentration cannot be carried out, the salt content is generally above 35%, and the calcium and magnesium content is above 1%.
At present, the evaporating mother liquor generally adopts the following two modes: (1) three-effect evaporation is carried out continuously; (2) And returning to a wastewater treatment system, mixing with other low-concentration wastewater, and then evaporating, namely 'wastewater-Fenton-regulating tank-evaporating concentration-cooling crystallization'.
The two modes have problems: under the high-salt condition, the evaporator is extremely easy to be blocked, and according to the conventional operation experience, when the common evaporator is generally adopted, the pipe is blocked basically once every 48 hours, and the operation is carried out for about 30 days, so that the shutdown maintenance is required, and the stable operation of the equipment and the productivity of the equipment are greatly influenced.
Disclosure of Invention
The utility model aims to provide a concentrated mother liquor evaporation treatment device which can perform evaporation treatment on concentrated mother liquor and is not easy to block a kettle body.
To achieve the purpose, the utility model adopts the following technical scheme:
provided is a concentrated mother liquor evaporation treatment device, comprising:
the jacket type evaporation kettle comprises a kettle body, a jacket wrapping the periphery of the kettle body, a first stirrer arranged in the kettle body, a concentrated mother liquor inlet and an exhaust port which are formed in the upper end of the kettle body, a liquid outlet positioned at the lower end of the kettle body and a gate valve arranged at the liquid outlet, wherein the gate valve comprises a shell fixedly connected with the kettle body, a valve body for blocking the liquid outlet and a hand wheel positioned at the lower end of the shell, the hand wheel is connected with the valve body through a screw rod in the shell, and the jacket is provided with a steam inlet and a water outlet;
the vacuum unit is connected with the exhaust port of the jacketed evaporation kettle;
the filter press is provided with a liquid inlet, a liquid outlet and a slag discharging port, and the liquid inlet is connected with the gate valve through a filter pressing pump set;
the air outlet of the air generator is connected with the liquid inlet of the filter press;
the liquid inlet of the filter pressing liquid storage tank is connected with the liquid outlet of the filter press;
and the salt mud storage tank is positioned below the slag discharging port of the filter press.
The scheme adopts a jacketed evaporation kettle, utilizes steam in a jacket to supply heat to the kettle body, and provides a heat source for evaporation of concentrated mother liquor; the kettle body is vacuumized through the vacuum unit, the temperature requirement of the concentrated mother liquor for evaporation and concentration is reduced, and meanwhile, the first stirrer in the kettle body is assisted to stir, so that further evaporation of the concentrated mother liquor is realized, evaporated waste liquid enters the filter press through the filter pressing pump set, aeration is carried out through compressed air, and salt mud after aeration is transported and buried through the ton barrel. Because the gate valve is arranged at the liquid outlet at the lower end of the kettle body, the liquid outlet can be prevented from being blocked by the gate valve.
As a preferred scheme of concentrated mother liquor evaporation treatment device, the casing includes the main casing of vertical setting and the joint flange that the slope set up, the upper end of main casing with the lower extreme fixed connection of cauldron body, the lead screw install in the main casing, just lead screw one end with the valve body is connected, the other end passes the main casing lower extreme with the hand wheel is connected, the hand wheel can drive the valve body rises to in the valve body in order to open the leakage fluid dram or drive the valve body descends in order to seal the leakage fluid dram, joint flange pass through the fluid-discharge tube with the feed liquor mouth of filter-pressing pump group is connected.
In this scheme, can drive the liquid outlet of valve body lift in order to shutoff cauldron body or open the liquid outlet of cauldron body through rotatory hand wheel, compare with adopting butterfly valve or other valves, can effectively prevent the liquid outlet jam.
As a preferable scheme of the concentrated mother liquor evaporation treatment device, the included angle between the joint flange and the vertical surface is 25-35 degrees.
As a preferable scheme of the concentrated mother liquor evaporation treatment device, the included angle between the joint flange and the vertical surface is 30 degrees.
As a preferable scheme of the concentrated mother liquor evaporation treatment device, the inner diameter of a liquid outlet at the lower end of the kettle body is 100mm.
By adopting the design with large caliber, the eye accumulation blocking can be further prevented.
As a preferred scheme of concentrated mother liquor evaporation treatment device, the inlet of pressure filter is connected with the main line, the liquid outlet of filter-pressing pump package with air generator's gas outlet is connected with first branch pipeline and second branch pipeline respectively, first branch pipeline with the second branch pipeline respectively with the main line is connected, valve and manometer are installed to the main line, first branch pipeline with the valve is installed respectively to the second branch pipeline.
As a preferred scheme of the concentrated mother liquor evaporation treatment device, the gate valve is provided with a joint flange which is obliquely arranged, the joint flange is connected with a liquid inlet of the filter pressing pump set through a connecting pipe, and a valve is arranged on the connecting pipe.
As a preferable scheme of the concentrated mother liquor evaporation treatment device, a liquid inlet of the filter pressing pump set is connected with a liquid outlet at the lower end of the kettle body through a liquid inlet pipe, and a valve is arranged on the liquid inlet pipe.
As a preferable scheme of the concentrated mother liquor evaporation treatment device, an air inlet and an air outlet of the vacuum unit are respectively connected with an air exhaust pipe and an exhaust pipe, and valves are arranged on the air exhaust pipe and the exhaust pipe.
As a preferable scheme of the concentrated mother liquor evaporation treatment device, the mother liquor inlet is connected with a mother liquor inlet pipe, and a valve is arranged on the mother liquor inlet pipe.
As a preferable scheme of the concentrated mother liquor evaporation treatment device, the steam inlet is connected with a steam conveying pipe, and a valve is arranged on the steam conveying pipe.
All valves in the scheme can be connected with a controller, and the automatic evaporation treatment of the concentrated mother liquor can be realized through the controller.
As a preferred scheme of concentrated mother liquor evaporation treatment device, the cauldron body includes the cauldron body and is located high temperature anticorrosive coating and the wearing layer of cauldron body inner wall, the wearing layer is located high temperature anticorrosive coating with between the cauldron body.
By additionally arranging the high-temperature anti-corrosion layer and the wear-resistant layer on the inner wall of the kettle body, the corrosion resistance of the equipment can be further improved, and the service life of the evaporation kettle is prolonged.
The utility model has the beneficial effects that:
1. the utility model adopts a jacketed evaporation kettle, and utilizes steam in the jacket to supply heat to the kettle body to provide a heat source for evaporation of concentrated mother liquor; the kettle body is vacuumized through the vacuum unit, the temperature requirement of the concentrated mother liquor for evaporation concentration is reduced, and meanwhile, the first stirrer in the kettle body is assisted to stir, so that the concentrated mother liquor is further concentrated, the evaporated waste liquid enters the filter press through the filter pressing pump set, aeration is performed through compressed air, and the salt mud after aeration is conveyed and buried through the ton barrel.
2. Because the gate valve is arranged at the liquid outlet at the lower end of the kettle body, the valve body of the gate valve can be lifted by rotating the hand wheel to realize the blocking and opening of the liquid outlet of the evaporation kettle, and impurities such as salt accumulation can be ejected away in the lifting process of the valve body, so that the liquid outlet can be effectively prevented from being blocked.
3. By additionally arranging the high-temperature anti-corrosion layer and the wear-resistant layer in the kettle body, the corrosion resistance of the equipment can be further improved, and the service life of the evaporation kettle is prolonged.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments of the present utility model will be briefly described below. It is evident that the drawings described below are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a schematic diagram of a concentrated mother liquor evaporation treatment device according to an embodiment of the present utility model.
Fig. 2 is an installation schematic diagram of a gate valve according to an embodiment of the present utility model.
In the figure:
1. a jacketed evaporation kettle; 11. a kettle body; 12. a jacket; 13. a first agitator; 14. a concentrated mother liquor inlet; 15. an exhaust port; 16. a liquid outlet; 17. a gate valve; 171. a housing; 172. a valve body; 173. a hand wheel; 174. a screw rod;
2. a vacuum unit;
3. a filter press;
4. a filter-press pump group;
5. an air generator;
6. a filter pressing liquid storage tank;
7. and a salt mud storage tank.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
In the description of the present utility model, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. 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.
As shown in fig. 1, the concentrated mother liquor evaporation treatment device of the embodiment comprises a jacketed evaporation kettle 1, a vacuum unit 2, a filter press 3, a filter press pump set 4, an air generator 5, a filter press liquid storage tank 6 and a salt mud storage tank 7.
The jacketed evaporation kettle 1 comprises a kettle body 11, a jacket 12 wrapping the periphery of the kettle body 11, a first stirrer 13 installed in the kettle body 11, a concentrated mother liquor inlet 14 and an exhaust port 15 arranged at the upper end of the kettle body 11, a liquid outlet 16 arranged at the lower end of the kettle body 11 and a gate valve 17 installed at the liquid outlet 16, as shown in fig. 2, the gate valve 17 comprises a shell 171 fixedly connected with the kettle body 11, a valve body 172 for blocking the liquid outlet 16 and a hand wheel 173 positioned at the lower end of the shell 171, wherein the hand wheel 173 is connected with the valve body 172 through a screw rod 174 in the shell 171, and the jacket 12 is provided with a steam inlet and a water outlet.
In this embodiment, the valve body 172 can be driven to rise to open the liquid outlet 16 by rotating the hand wheel 173, and impurities such as salt deposited on the bottom of the kettle body 11 can be pushed up during the rising of the valve body 172, thereby preventing the liquid outlet 16 from being blocked.
The casing 171 includes the main casing of vertical setting and the joint flange that the slope set up, the upper end of main casing with the lower extreme fixed connection of cauldron body 11, lead screw 174 install in the main casing, just lead screw 174 one end with valve body 172 is connected, the other end passes the main casing lower extreme with hand wheel 173 is connected, hand wheel 173 can drive valve body 172 rises to in the cauldron body 11 in order to open the leakage fluid dram 16 or drive valve body 172 descends in order to seal the leakage fluid dram 16, the joint flange pass through the fluid-discharge tube with the inlet of filter-pressing pump group 4 is connected.
Further, the inner diameter of the liquid outlet 16 at the lower end of the kettle body 11 is 100mm, and the included angle between the joint flange and the vertical surface is 25-35 degrees, preferably 30 degrees.
In this embodiment, the large-caliber liquid outlet 16 is adopted, and the gate valve 17 and the obliquely arranged joint flange are matched, so that salt crystallization can be further reduced, and the kettle body 11 can be prevented from being blocked.
In this embodiment, the vacuum unit 2 is connected to the exhaust port 15 of the jacketed evaporation kettle 1; the air inlet and the air outlet of the vacuum unit 2 are respectively connected with an exhaust pipe and an exhaust pipe, and valves are arranged on the exhaust pipe and the exhaust pipe.
Wherein, the concentrated mother liquor inlet 14 is connected with a mother liquor inlet pipe, and a valve is arranged on the mother liquor inlet pipe; the steam inlet is connected with a steam conveying pipe, and a valve is arranged on the steam conveying pipe.
The concentrated mother liquor enters the kettle body 11 through the concentrated mother liquor inlet 14, the kettle body 11 is heated by matching with steam in the jacket 12, further evaporation concentration is carried out under the stirring action of the first stirrer 13, and the vacuum unit 2 performs vacuum pumping treatment on the kettle body 11, so that negative pressure is formed in the kettle body 11, the temperature of further evaporation concentration of the concentrated mother liquor can be reduced, and the rapid evaporation concentration of the concentrated mother liquor is realized.
The vacuum unit 2 extracts the waste gas in the kettle body 11 and then discharges the waste gas to the tail gas treatment system for further treatment.
Specifically, the vacuum unit 2 in this embodiment adopts a high-efficiency water ring vacuum pump set.
Wherein, the feed liquor mouth of filter-pressing pump package 4 pass through the feed liquor pipe with the leakage fluid dram 16 of cauldron body 11 lower extreme is connected, installs the valve on the feed liquor pipe, and pressure filter 3 has feed liquor mouth, leakage fluid dram and arranges the sediment mouth, and this feed liquor mouth passes through filter-pressing pump package 4 and is connected with gate valve 17, and the gas outlet of air generator 5 is connected with the feed liquor mouth of pressure filter 3, and the leakage fluid dram of pressure filter 3 is connected with the feed liquor mouth of filter-pressing liquid storage tank 6, is equipped with the second agitator in the filter-pressing liquid storage tank 6.
The evaporated waste liquid enters a filter press 3 through a filter pressing pump set 4, compressed air conveyed by an air generator 5 is subjected to aeration treatment, and salt mud generated after aeration is temporarily stored in a salt mud storage tank 7 below a slag discharging port of the filter press 3 and conveyed to landfill treatment through a ton tank; the waste liquid generated in the filter pressing process is stored in a filter pressing liquid storage tank 6.
Further, the inlet of the filter press 3 is connected with a main pipeline, the liquid outlet of the filter press pump set 4 and the air outlet of the air generator 5 are respectively connected with a first branch pipeline and a second branch pipeline, the first branch pipeline and the second branch pipeline are respectively connected with the main pipeline, the main pipeline is provided with a valve and a pressure gauge, and the first branch pipeline and the second branch pipeline are respectively provided with a valve.
In this embodiment, the valves on each pipeline may be connected to the controller, and the controller may automatically control the flow, which is not described in detail.
Further, the kettle body 11 comprises a kettle body, a high-temperature anti-corrosion layer and a wear-resistant layer, wherein the high-temperature anti-corrosion layer and the wear-resistant layer are positioned on the inner wall of the kettle body, and the wear-resistant layer is positioned between the high-temperature anti-corrosion layer and the kettle body. The high-temperature anticorrosive layer is made of high-temperature organic silicon paint and has good high-temperature corrosion resistance. The high-temperature anti-corrosion layer and the wear-resistant layer can effectively prolong the service life of the evaporation kettle.
When the concentrated mother liquor evaporation treatment device of the embodiment operates, the vacuum unit 2 is firstly operated to enable the inside of the kettle body 11 to reach a negative pressure condition, then steam is introduced to heat and evaporate the kettle body 11, evaporated waste liquid enters the filter press 3 through the filter pressing pump set 4, compressed air is introduced to perform aeration, and aerated salt mud is transported and buried through the ton box.
It should be understood that the above description is only illustrative of the preferred embodiments of the present utility model and the technical principles employed. It will be apparent to those skilled in the art that various modifications, equivalents, variations, and the like can be made to the present utility model. However, such modifications are intended to fall within the scope of the present utility model without departing from the spirit of the present utility model. In addition, some terms used in the specification and claims of the present application are not limiting, but are merely for convenience of description.
Claims (10)
1. A concentrated mother liquor evaporation treatment device, characterized by comprising:
the jacket type evaporation kettle comprises a kettle body, a jacket wrapping the periphery of the kettle body, a first stirrer arranged in the kettle body, a concentrated mother liquor inlet and an exhaust port which are formed in the upper end of the kettle body, a liquid outlet positioned at the lower end of the kettle body and a gate valve arranged at the liquid outlet, wherein the gate valve comprises a shell fixedly connected with the kettle body, a valve body for blocking the liquid outlet and a hand wheel positioned at the lower end of the shell, the hand wheel is connected with the valve body through a screw rod in the shell, and the jacket is provided with a steam inlet and a water outlet;
the vacuum unit is connected with the exhaust port of the jacketed evaporation kettle;
the filter press is provided with a liquid inlet, a liquid outlet and a slag discharging port, and the liquid inlet is connected with the gate valve through a filter pressing pump set;
the air outlet of the air generator is connected with the liquid inlet of the filter press;
the liquid inlet of the filter pressing liquid storage tank is connected with the liquid outlet of the filter press;
and the salt mud storage tank is positioned below the slag discharging port of the filter press.
2. The concentrated mother liquor evaporation treatment device according to claim 1, wherein the housing comprises a main housing arranged vertically and a joint flange arranged obliquely, the upper end of the main housing is fixedly connected with the lower end of the kettle body, the screw rod is installed in the main housing, one end of the screw rod is connected with the valve body, the other end of the screw rod penetrates through the lower end of the main housing to be connected with the hand wheel, the hand wheel can drive the valve body to rise into the valve body to open the liquid outlet or drive the valve body to descend to seal the liquid outlet, and the joint flange is connected with the liquid inlet of the filter-press pump set through the liquid outlet pipe.
3. The concentrated mother liquor evaporation treatment device according to claim 2, wherein an angle between the joint flange and the vertical surface is 25 ° to 35 °.
4. A concentrated mother liquor evaporation treatment device according to claim 3, wherein the angle between the joint flange and the vertical surface is 30 °.
5. The concentrated mother liquor evaporation treatment device according to claim 1, wherein the liquid inlet of the filter press is connected with a main pipeline, the liquid outlet of the filter press pump unit and the air outlet of the air generator are respectively connected with a first branch pipeline and a second branch pipeline, the first branch pipeline and the second branch pipeline are respectively connected with the main pipeline, the main pipeline is provided with a valve and a pressure gauge, and the first branch pipeline and the second branch pipeline are respectively provided with a valve.
6. The concentrated mother liquor evaporation treatment device according to claim 3, wherein the inner diameter of the liquid outlet at the lower end of the tank body is 100mm.
7. The concentrated mother liquor evaporation treatment device according to claim 1, wherein the liquid inlet of the filter-press pump group is connected with the liquid outlet at the lower end of the kettle body through a liquid inlet pipe, and a valve is arranged on the liquid inlet pipe.
8. The concentrated mother liquor evaporation treatment device according to claim 1, wherein the air inlet and the air outlet of the vacuum unit are respectively connected with an air extraction pipe and an exhaust pipe, and valves are installed on the air extraction pipe and the exhaust pipe.
9. The concentrated mother liquor evaporation treatment device according to claim 1, wherein the mother liquor inlet is connected with a mother liquor inlet pipe, and a valve is installed on the mother liquor inlet pipe; the steam inlet is connected with a steam conveying pipe, and a valve is arranged on the steam conveying pipe.
10. The concentrated mother liquor evaporation treatment device according to any one of claims 1 to 9, wherein the kettle body comprises a kettle body, and a high temperature corrosion preventing layer and a wear resistant layer which are positioned on an inner wall of the kettle body, and the wear resistant layer is positioned between the high temperature corrosion preventing layer and the kettle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223610051.5U CN219194569U (en) | 2022-12-30 | 2022-12-30 | Concentrated mother liquor evaporation treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223610051.5U CN219194569U (en) | 2022-12-30 | 2022-12-30 | Concentrated mother liquor evaporation treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219194569U true CN219194569U (en) | 2023-06-16 |
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ID=86708500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223610051.5U Active CN219194569U (en) | 2022-12-30 | 2022-12-30 | Concentrated mother liquor evaporation treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219194569U (en) |
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2022
- 2022-12-30 CN CN202223610051.5U patent/CN219194569U/en active Active
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