CN212504021U - Potassium chloride evaporation waste heat recycling device - Google Patents
Potassium chloride evaporation waste heat recycling device Download PDFInfo
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- CN212504021U CN212504021U CN202021044730.9U CN202021044730U CN212504021U CN 212504021 U CN212504021 U CN 212504021U CN 202021044730 U CN202021044730 U CN 202021044730U CN 212504021 U CN212504021 U CN 212504021U
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model provides a potassium chloride evaporation waste heat recovery utilizes device relates to production facility technical field, a potassium chloride evaporation waste heat recovery utilizes device, include: the evaporator, steam recovery device, the hot-water cylinder, the vacuum pump, the hot-water pump, dissolve the cauldron, the evaporator is connected with steam recovery device and hot water collection tank through the pipeline respectively, and steam recovery device passes through the pipeline and is connected with the vacuum pump, and the hot-water pump is connected with hot water collection tank and dissolving the jar through the pipeline respectively. The device utilizes the steam recoverer to turn into the hot water with the secondary steam that the evaporimeter produced, mixes with the steam condensate water that the evaporimeter produced again and behind the increase in temperature, as the water of dissolving of raw materials potassium chloride, can effectively improve the utilization ratio of steam, reduces the energy waste, reduction in production cost improves economic benefits. The device has the advantages of convenient processing and manufacturing, simple operation, wide application range, convenient industrialization, automatic operation and the like, and has good popularization value.
Description
Technical Field
The utility model relates to a production facility technical field, concretely relates to potassium chloride evaporation waste heat recovery utilizes device.
Background
At present, the domestic production process of food-grade potassium chloride comprises the following steps: the industrial or agricultural raw material potassium chloride is dissolved into saline water with a certain concentration by heating water (the temperature is about 70-80 ℃), refined saline water is prepared by an alkali precipitation method or an ion exchange method, and the finished product potassium chloride is prepared by the working procedures of evaporation, crystallization, solid-liquid separation, drying and the like. And this kind of production technology can produce a large amount of secondary steam and steam condensate water in the evaporation process, and the secondary steam that produces condenses into water after the condenser cooling, and the heat that secondary steam carried gets into the cooling water and makes its temperature rise, need can cyclic utilization by cooling tower cooling back, and this leads to the waste heat in the secondary steam finally to discharge to the atmosphere through the cooling tower, not only causes the waste of the energy, also does not utilize environmental protection, still causes manufacturing cost to increase simultaneously. Therefore, the research on the utilization of the waste heat of the secondary steam in the potassium chloride evaporation process ensures that the heat in the secondary steam is fully, reasonably and stepwisely utilized, reduces the energy consumption and the manufacturing cost of products, improves the energy utilization rate and the economic benefit of enterprises, and has very wide popularization and application prospects and practical significance.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a potassium chloride evaporation waste heat recovery utilizes device, the device have the processing preparation convenience, application scope is wide, a great deal of advantages such as the industrialization of being convenient for and automation mechanized operation.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a potassium chloride evaporation waste heat recovery utilizes device, includes the evaporimeter, steam recovery device, hot water collection tank, the vacuum pump, the hot-water pump, dissolves the jar, the evaporimeter is connected with steam recovery device and hot water collection tank through the pipeline respectively, and steam recovery device passes through the pipeline and is connected with the vacuum pump, and the hot-water pump is connected with hot water collection tank and dissolving the jar through the pipeline respectively.
Further, the evaporimeter includes the evaporating pot, the circulating pump, the circulating pipe, a heat exchanger, the secondary steam pipe, the live steam advances the pipe, the steam condensate pipe, the inlet pipe, the discharging pipe, the evaporating pot and inlet pipe, the circulating pump, the discharging pipe, the heat exchanger passes through the circulating pipe and is connected, evaporating pot upper portion is equipped with the vacuum gauge, the middle part is equipped with the sight glass, the lower part is equipped with online thermometer one, evaporating pot upper cover secondary steam outlet passes through the secondary steam pipe and is connected with steam recovery device secondary steam inlet, the heat exchanger is the shell and tube heat exchanger, the circulation liquid walks the tube side, the shell side is walked to the heating steam, heat exchanger upper end steam inlet is connected with external live steam pipe, lower extreme steam condensate outlet passes through the steam condensate pipe and is connected with the hot water.
Furthermore, the steam recoverer consists of a steam recoverer body, a water distributor and a water distributor, wherein the steam recoverer body is a cylindrical container with an elliptical seal head at the upper end and a conical bottom at the lower end, a non-condensable gas outlet is arranged on the seal head at the upper end of the steam recoverer body and is connected with an external vacuum tube, a hot water outlet is arranged on the lower conical bottom and is connected with a hot water collecting tank through a hot water outlet pipeline to realize hot water recovery, the water distributor is a pipe section with an elbow at one end and a flange at one end, the water distributor penetrates through the wall of the steam recoverer body and is arranged on one side of the upper end of the steam recoverer body, the flange end is connected with an external cold water pipe, the elbow end is aligned with the inlet of the water distributor, the water distributor is in a round table shape and is formed by overlapping a plurality of round tables, each round table is rolled by a steel plate with a, fully mixed with the secondary steam, and has the functions of condensing the secondary steam and heating cold water.
Furthermore, the hot water collecting tank is a container with an upper end opening and a lower end provided with an oval seal head, an online thermometer II and a hot water outlet are arranged on the hot water collecting tank body, and the hot water outlet is connected with the inlet of the hot water pump through a connecting pipe.
Furthermore, the vacuum pump is a water ring vacuum pump, belongs to the former, and the vacuum pump import is connected with steam recovery device noncondensable gas outlet through the vacuum tube, and the vacuum pump exit linkage has noncondensable gas discharge pipe.
Furthermore, the hot water pump is a pipeline pump, belongs to the design equipment, and the hot water pump water inlet passes through the connecting pipe and is connected with hot water collection tank hot water outlet, and the delivery port passes through hot water connecting tube and is connected with dissolving tank water inlet.
Furthermore, the dissolving tank consists of a dissolving tank body and a water distribution device, the dissolving tank body is a cylindrical container with upper and lower elliptic end sockets, the upper end socket is provided with a feed inlet for potassium chloride to enter the dissolving tank, the lower end socket is provided with a hot water inlet which is connected with a hot water pump through a hot water connecting pipeline, one side of the upper end of the dissolving tank body is provided with a solution outlet which is connected with subsequent brine refining equipment through an external pipeline, the water distribution device consists of a pore plate and a water cap and is arranged in the dissolving tank body, dissolved water is uniformly distributed in the dissolving tank body, the potassium chloride to be dissolved enters the dissolving tank from the feed inlet at a certain flow rate, recovered hot water enters the dissolving tank body from the bottom of the dissolving tank at a certain flow rate, and the hot water continuously dissolves the potassium chloride in the rising process and flows out from the solution outlet after reaching a certain concentration and temperature.
(III) advantageous effects
The utility model provides a potassium chloride evaporation waste heat recovery utilizes device, the secondary steam who produces potassium chloride evaporation process is used for heating the cooling water, become the hot water (about 40 ℃ of temperature) that has the uniform temperature, the steam condensate water (about 90-100 ℃ of temperature) that will evaporate the process production again mixes the dissolving water who is used as potassium chloride dissolving process behind the raising the temperature with this part hot water, both practiced thrift the dissolving water, a large amount of steam has been practiced thrift again, energy resource consumption and manufacturing cost have been reduced, economic benefits and environmental protection benefit are showing. The device has the advantages of convenient processing and manufacturing, wide application range, convenient industrialization and automation operation, and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-evaporator, 101-evaporation tank, 102-circulating pump, 103-discharging pipe, 104-steam condensate pipe, 105-raw steam inlet pipe, 106-heat exchanger, 107-circulating pipe, 108-sight glass, 109-secondary steam pipe, 110-vacuum meter, 111-feeding pipe, 112-on-line thermometer I, 2-steam recoverer, 21-steam recoverer body, 22-water distributor, 23-cold water pipe, 24-water distributor, 25-vacuum pipe, 26-hot water outlet pipe, 3-hot water collecting tank, 31-on-line thermometer II, 4-vacuum pump, 41-noncondensable gas discharging pipe, 5-hot water pump, 51-hot water connecting pipe, 6-dissolving tank, 61-dissolving tank body, 62-water distribution device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
the utility model provides a potassium chloride evaporation waste heat recovery utilizes device, includes evaporimeter 1, steam recovery ware 2, hot water collection tank 3, vacuum pump 4, hot-water pump 5, dissolving tank 6, evaporimeter 1 is connected with steam recovery ware 2 and hot water collection tank 3 through the pipeline respectively, and steam recovery ware 2 is connected with vacuum pump 4 through the pipeline, and hot-water pump 5 is connected with hot water collection tank 3 and dissolving tank 6 through the pipeline respectively.
Wherein, the evaporator 1 comprises an evaporation tank 101, a circulating pump 102, a circulating pipe 107, a heat exchanger 106, a secondary steam pipe 109, a raw steam inlet pipe 105 and a steam condensate pipe 104, the device comprises a feeding pipe 111 and a discharging pipe 103, wherein an evaporation tank 101 is connected with the feeding pipe 111, a circulating pump 102, the discharging pipe 103 and a heat exchanger 106 through a circulating pipe 107, a vacuum meter 110 is arranged at the upper part of the evaporation tank 101, a viewing mirror 108 is arranged at the middle part of the evaporation tank, a first online thermometer 112 is arranged at the lower part of the evaporation tank 101, a secondary steam outlet of an upper end enclosure of the evaporation tank 101 is connected with a secondary steam inlet of a steam recoverer 2 through a secondary steam pipe 109, the heat exchanger 106 is a shell-and-tube heat exchanger, circulating liquid flows through a tube side, heating steam flows through a shell side, a steam inlet at the upper end of the heat exchanger 106 is connected with an external steam generation pipe 105, a steam condensate outlet.
The steam recoverer 2 consists of a steam recoverer body 21, a water distributor 24 and a water distributor 22, the steam recoverer body 21 is a cylindrical container with an elliptical head at the upper end and a conical bottom at the lower end, an incondensable gas outlet is arranged on the head at the upper end of the steam recoverer body 21 and is connected with an external vacuum tube 25, a hot water outlet is arranged on the lower conical bottom and is connected with a hot water collecting tank 3 through a hot water outlet pipeline 26 to realize the recovery of hot water, the water distributor 24 is a pipe section with an elbow at one end and a flange at one end, the water distributor 24 penetrates through the wall of the steam recoverer body 21 and is arranged on one side of the upper end of the steam recoverer body 21, the flange end is connected with an external cold water pipe 23, the elbow end is aligned with the inlet of the water distributor 22, the water distributor 22 is in a circular truncated cone shape and is formed by overlapping a plurality of, the purpose is to uniformly distribute cold water in the cylinder body, fully mix the cold water with secondary steam, and play a role in condensing the secondary steam and heating the cold water.
The hot water collecting tank 3 is a container with an upper end open and a lower end provided with an oval seal head, an online thermometer II 31 and a hot water outlet are arranged on the tank body of the hot water collecting tank 3, and the hot water outlet is connected with the inlet of the hot water pump 5 through a connecting pipe.
The hot water pump 5 is a pipeline pump, and belongs to the sizing equipment, 5 water inlets of the hot water pump pass through the connecting pipe and collect 3 hot water exit linkage in jar with hot water, and the delivery port passes through hot water connecting pipe 51 and is connected with 6 water inlets of dissolving tank.
The dissolving tank 6 consists of a dissolving tank body 61 and a water distribution device 62, the dissolving tank body 61 is a cylindrical container with elliptical seal heads at the upper part and the lower part, a feed inlet is arranged on the upper seal head for feeding the raw material potassium chloride into the dissolving tank 6, a hot water inlet is arranged on the lower seal head, is connected with a hot water pump 5 through a hot water connecting pipeline, one side of the upper end of the dissolving tank body 61 is provided with a solution outlet, the device is connected with subsequent brine refining equipment through an external pipeline, the water distribution device 62 consists of a pore plate and a water cap, is arranged inside the dissolving tank body 61, and uniformly distributes dissolved water in the device body, the potassium chloride to be dissolved enters the dissolving tank 6 from a feed inlet at a certain flow rate, the recovered hot water enters the dissolving tank body 61 from the bottom of the dissolving tank 6 at a certain flow rate, and the hot water continuously dissolves the potassium chloride in the rising process and flows out from a solution outlet after reaching a certain concentration and temperature.
Specifically, the utility model discloses device operation flow and step:
firstly, pumping refined salt water into a circulating pipe 107 of an evaporator through a feed pipe 111, starting a circulating pump 102 when the liquid level in an evaporating tank 101 reaches a specified liquid level, starting a control valve on a raw steam inlet pipe 105 and a control valve on a steam condensate pipe 104, enabling steam to enter a shell pass of a heat exchanger 106, enabling the steam to exchange heat with the continuously circulating salt water in the heat exchanger 106, heating the salt water, and enabling the salt water to enter the evaporator through the circulating pipe 107 under the thrust of the circulating pump 102; the steam is cooled and condensed into steam condensate, which enters the hot water collection tank 3 through the steam condensate pipe 104.
And secondly, when the value displayed by the online thermometer I112 is about 80 ℃, the cold water pipe 23 of the steam recoverer is started to be externally connected with a cold water pump (not shown) and the vacuum pump 4, and cold water enters the water distributor 22 through the water distributor 24 and is uniformly distributed in the device body. At this time, the secondary steam generated by the evaporator 1 enters the steam recovery device 2 through the secondary steam pipe 109, the secondary steam runs from bottom to top in the steam recovery device body 21, the cold water runs from top to bottom, the secondary steam and the cooling water are fully mixed and carry out heat exchange, the secondary steam is condensed into water, the cold water is heated into hot water, and the non-condensed gas in the secondary steam enters the vacuum pump 4 through the vacuum pipe 25 and is pumped out by the vacuum pump 4. Hot water enters the hot water collection tank 3 through the hot water outlet pipe 26, is mixed with steam condensate entering through the steam condensate pipe 104, and the temperature is further increased;
and thirdly, opening a water inlet and outlet control valve on the hot water connecting pipeline 51, starting the hot water pump 5, and pumping hot water into the dissolving tank 6. The hot water runs from bottom to top in the dissolving tank 6, and is mixed with the raw material potassium chloride which is added in advance, the raw material potassium chloride is dissolved into crude brine with certain concentration, and refined brine is prepared by an alkali precipitation method or an ion exchange method and is pumped into the circulating pipe 107 of the evaporator by the feeding pipe 111.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a potassium chloride evaporation waste heat recovery utilizes device, its characterized in that, includes evaporimeter (1), steam recovery ware (2), hot water collection tank (3), vacuum pump (4), hot-water pump (5), dissolving tank (6), evaporimeter (1) is connected with steam recovery ware (2) and hot water collection tank (3) through the pipeline respectively, steam recovery ware (2) are connected with vacuum pump (4) through the pipeline, hot-water pump (5) are connected with hot water collection tank (3) and dissolving tank (6) through pipeline respectively.
2. The potassium chloride evaporation waste heat recycling device according to claim 1, wherein the evaporator (1) comprises an evaporation tank (101), a circulating pump (102), a circulating pipe (107), a heat exchanger (106), a secondary steam pipe (109), a raw steam inlet pipe (105), a steam condensate pipe (104), a feed pipe (111) and a discharge pipe (103), the evaporation tank (101) is connected with the feed pipe (111), the circulating pump (102), the discharge pipe (103) and the heat exchanger (106) through the circulating pipe (107), a vacuum gauge (110) is arranged at the upper part of the evaporation tank (101), a viewing mirror (108) is arranged at the middle part of the evaporation tank, a first online thermometer (112) is arranged at the lower part of the evaporation tank (101), a secondary steam outlet at the upper end enclosure of the evaporation tank (101) is connected with a secondary steam inlet of the steam recoverer (2) through the secondary steam pipe (109), the circulating liquid passes through a tube pass, the heating steam passes through a shell pass, a steam inlet at the upper end of the heat exchanger (106) is connected with a raw steam inlet tube (105), a steam condensate outlet at the lower end of the heat exchanger is connected with a hot water collecting tank (3) through a steam condensate pipe (104), and the steam condensate is discharged into the hot water collecting tank (3) to realize the recovery of the steam condensate.
3. The potassium chloride evaporation waste heat recycling device according to claim 1, wherein the steam recoverer (2) is composed of a steam recoverer body (21), a water distributor (24) and a water distributor (22), the steam recoverer body (21) is a cylindrical container with an elliptical head at the upper end and a conical bottom at the lower end, an incondensable gas outlet is arranged on the head at the upper end of the steam recoverer body (21) and connected with an external vacuum pipe (25), a hot water outlet is arranged on the lower conical bottom and connected with a hot water collecting tank (3) through a hot water outlet pipeline (26) to realize hot water recycling, the water distributor (24) is a pipe section with an elbow at one end and a flange at one end, the water distributor (24) penetrates through the wall of the steam recoverer body (21) and is arranged on one side of the upper end of the steam recoverer body (21), and the flange end is connected with the external cold water pipe (23), the elbow end is aligned with the inlet of the water distributor (22), the water distributor (22) is in a circular truncated cone shape and is formed by overlapping a plurality of circular truncated cones, and each circular truncated cone is formed by rolling a steel plate with certain thickness and is arranged at the inner upper end of the steam recoverer body (21).
4. The potassium chloride evaporation waste heat recycling device according to claim 1, wherein the hot water collection tank (3) is a container with an upper end open and a lower end provided with an oval end socket, an online thermometer II (31) and a hot water outlet are arranged on the tank body of the hot water collection tank (3), and the hot water outlet is connected with the inlet of the hot water pump (5) through a connecting pipe.
5. The potassium chloride evaporation waste heat recycling device according to claim 1, wherein the vacuum pump (4) is a water ring vacuum pump, an inlet of the vacuum pump (4) is connected with a non-condensable gas outlet of the steam recoverer (2) through a vacuum pipe (25), and an outlet of the vacuum pump (4) is connected with a non-condensable gas discharge pipe (41).
6. The potassium chloride evaporation waste heat recycling device according to claim 1, wherein the hot water pump (5) is a pipeline pump, the water inlet of the hot water pump (5) is connected with the hot water outlet of the hot water collection tank (3) through a connecting pipe, and the water outlet is connected with the water inlet of the dissolving tank (6) through a hot water connecting pipeline (51).
7. The potassium chloride evaporation waste heat recycling device according to claim 1, wherein the dissolving tank (6) is composed of a dissolving tank body (61) and a water distribution device (62), the dissolving tank body (61) is a cylindrical container with upper and lower elliptical heads, the upper head is provided with a feed inlet for potassium chloride to enter the dissolving tank (6), the lower head is provided with a hot water inlet connected with a hot water pump (5) through a hot water connecting pipeline, one side of the upper end of the dissolving tank body (61) is provided with a solution outlet connected with a subsequent brine refining device through an external pipeline, the water distribution device (62) is composed of a pore plate and a water cap, the pore plate and the water cap are arranged inside the dissolving tank body (61), the dissolving water is uniformly distributed in the device body, the potassium chloride to be dissolved enters the dissolving tank (6) from the feed inlet at a certain flow rate, the recycled hot water enters the dissolving tank body (61) from the bottom of the dissolving tank (6) at a certain flow rate, the hot water continuously dissolves the potassium chloride in the rising process, and the potassium chloride flows out from the solution outlet after reaching certain concentration and temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021044730.9U CN212504021U (en) | 2020-06-09 | 2020-06-09 | Potassium chloride evaporation waste heat recycling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021044730.9U CN212504021U (en) | 2020-06-09 | 2020-06-09 | Potassium chloride evaporation waste heat recycling device |
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| CN212504021U true CN212504021U (en) | 2021-02-09 |
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| CN202021044730.9U Active CN212504021U (en) | 2020-06-09 | 2020-06-09 | Potassium chloride evaporation waste heat recycling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115798768A (en) * | 2023-01-04 | 2023-03-14 | 中国原子能科学研究院 | Radioactive waste liquid treatment method and system |
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2020
- 2020-06-09 CN CN202021044730.9U patent/CN212504021U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115798768A (en) * | 2023-01-04 | 2023-03-14 | 中国原子能科学研究院 | Radioactive waste liquid treatment method and system |
| CN115798768B (en) * | 2023-01-04 | 2024-03-22 | 中国原子能科学研究院 | Radioactive waste liquid treatment method and system |
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