CN216825877U - Energy-saving urea dissolving tank heat recovery utilizes device - Google Patents
Energy-saving urea dissolving tank heat recovery utilizes device Download PDFInfo
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- CN216825877U CN216825877U CN202220467321.2U CN202220467321U CN216825877U CN 216825877 U CN216825877 U CN 216825877U CN 202220467321 U CN202220467321 U CN 202220467321U CN 216825877 U CN216825877 U CN 216825877U
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Abstract
The utility model provides an energy-saving urea dissolving tank heat recycling device, which comprises a stirring component arranged on a dissolving tank, wherein the stirring component comprises a stirring shaft, a spiral heat exchange tube arranged on the stirring shaft, and a bracket which is arranged in the dissolving tank and is rotationally connected with the stirring shaft; the stirring shaft is provided with a first connecting hole, a first plug for plugging the first connecting hole is arranged on the stirring shaft, the first plug is connected with a motor, a first through hole communicated with the first connecting hole is formed in the side surface of the stirring shaft, a first rotating disc is arranged on the stirring shaft in a rotating and sealing mode, a first sealing cavity is formed in the first rotating disc, and the first through hole is communicated with the first sealing cavity; the first rotating disc is used for being installed on the dissolving tank. The utility model discloses in the in-service use, not only compromise the function of stirring, simultaneously, can realize the function that waste heat recovery was realized to heating, reaction after finishing during the reaction, can the effectual loss that reduces heat energy.
Description
Technical Field
The utility model relates to a heat recovery equipment technical field, concretely relates to energy-saving urea dissolving tank heat recovery utilizes device.
Background
Urea is generally produced in a urea reactor by chemical reaction of liquid ammonia and carbon dioxide gas, and pressure and temperature are required for production. In practical use, high-pressure steam is generally provided by a steam source machine, so that the pressure inside the reactor is increased; in the urea reactor, in order to increase the contact area between the liquid ammonia and the carbon dioxide gas and reduce the temperature gradient difference between the liquid ammonia, a stirring device is generally provided in the urea reactor, and the stirring device is generally composed of a driving motor and a stirring shaft.
After the reaction is finished, a large amount of heat still exists in the tank body, and the heat is directly dissipated in the air, so that energy loss is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-saving urea dissolving tank heat recovery utilizes device, its in the use of reality, not only compromise the function of stirring, simultaneously, can realize the reaction time heating, the function that realizes waste heat recovery after the reaction finishes, can the effectual loss that reduces heat energy.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
an energy-saving urea dissolving tank heat recycling device comprises a stirring assembly arranged on a dissolving tank, wherein the stirring assembly comprises a stirring shaft, a spiral heat exchange tube arranged on the stirring shaft, and a support arranged in the dissolving tank and rotationally connected with the stirring shaft;
the stirring shaft is provided with a first connecting hole, a first plug for plugging the first connecting hole is arranged on the stirring shaft, the first plug is connected with a motor, a first through hole communicated with the first connecting hole is formed in the side surface of the stirring shaft, a first rotating disc is arranged on the stirring shaft in a rotating and sealing mode, a first sealing cavity is formed in the first rotating disc, and the first through hole is communicated with the first sealing cavity; the first rotating disc is used for being arranged on the dissolving tank,
the lower end of the stirring shaft is provided with a second connecting hole, the stirring shaft is connected with a second plug, the second plug is rotatably connected with the support, a second through hole communicated with the second connecting hole is formed in the side face of the stirring shaft, a second rotary disc is rotatably and hermetically arranged on the stirring shaft, the second rotary disc is fixedly arranged on the support, a second sealed cavity is formed in the second rotary disc, the second through hole is communicated with the second sealed cavity, two ends of the spiral heat exchange tube are respectively communicated with the first connecting hole and the second connecting hole, the first rotary disc and the second rotary disc are communicated with each other through a main tube, a first air pump and a steam source machine are arranged on the main tube, three-way electromagnetic valves are arranged on the main tubes on one sides of an air inlet end and an air outlet end of the steam source machine, the three-way electromagnetic valves are connected through branch tubes, and a second air pump and a heat exchanger are arranged on the branch tubes.
Wherein, the first and second turntables are connected with the stirring shaft in a rotating and sealing way through rotating sealing rings.
Further optimize, connect through a plurality of connecting rods between spiral heat exchange tube and the (mixing) shaft.
Wherein, the second end cap passes through the bracket and then is connected with a stirring impeller.
Wherein the stirring shaft is connected with the dissolving tank through a bearing.
Further optimize, dissolving the jar and including inner shell and shell, form the heating region between inner shell and the shell, be provided with on the shell with the air inlet and the gas outlet of heating region intercommunication, air inlet and venthole are connected with steam source machine end and the inlet end of giving vent to anger respectively.
Preferably, the first end and the second end are connected with the stirring shaft through flange plates.
Wherein, the motor passes through support frame fixed mounting on the dissolving tank.
Further optimize, pass through the coupling joint between first end and the motor output shaft.
Wherein, the outside of the dissolving tank is provided with a heat insulation layer.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a steam source machine that sets up realizes the purpose of heat supply, first carousel and second carousel realize rotating sealing connection with the (mixing) shaft, simultaneously, spiral heat exchange tube and through first connecting hole and second connecting hole with first carousel and second carousel intercommunication, when motor drive (mixing) shaft rotates, spiral heat exchange tube can realize the purpose of stirring, simultaneously, high temperature steam carries out direct heating to the material when flowing through spiral heat exchange tube, because when the (mixing) shaft rotates, spiral heat exchange tube can improve the stirring effect when following the (mixing) shaft and rotate, also can improve the heating effect; the first rotating disc and the second rotating disc are in rotating connection with the stirring shaft, and the purposes of heat supply and stirring are achieved during reaction; after the reaction finishes, through control three solenoid valve, and then make spiral heat exchange tube and branch pipe intercommunication to under the effect of second air pump, send the inside heat of dissolving tank to heat exchanger department and carry out the heat transfer, and then realize the utilization of inside waste heat, the utility model discloses can realize stirring, heat supply and waste heat recovery's switching, can realize the recycle of waste heat.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the usage state of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 1 according to the present invention.
Fig. 4 is a partially enlarged view of the point B in fig. 1 according to the present invention.
Reference numerals:
1-a stirring shaft, 2-a spiral heat exchange tube, 3-a dissolving tank, 4-a bracket, 5-a first connecting hole, 6-a first plug, 7-a motor, 8-a first through hole, 9-a first rotating disc, 10-a first sealing cavity, 11-a second connecting hole, 12-a second plug, 13-a second through hole, 14-a second rotating disc, 15-a second sealing cavity, 16-a main tube, 17-a first air pump, 18-a steam source machine, 19-a three-way electromagnetic valve, 20-a branch tube, 21-a second air pump, 22-a heat exchanger, 23-a rotating sealing ring, 24-a connecting rod, 25-an inner shell, 26-an outer shell, 27-a heating region, 28-an air inlet, 29-an air outlet and 30-a flange plate, 31-stirring blade.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like are used in the orientation and positional relationship shown in the drawings for convenience in describing the embodiments of the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features through another feature not in direct contact. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present invention. Moreover, embodiments of the present invention may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example one
Referring to fig. 1-4, the embodiment discloses an energy-saving urea dissolving tank heat recycling device, which comprises a stirring assembly arranged on a dissolving tank 3, wherein the stirring assembly comprises a stirring shaft 1, a spiral heat exchange tube 2 arranged on the stirring shaft 1, and a support 4 arranged in the dissolving tank 3 and rotationally connected with the stirring shaft 1;
the stirring shaft is characterized in that a first connecting hole 5 is formed in the upper end of the stirring shaft 1, a first plug 6 used for plugging the first connecting hole 5 is arranged on the stirring shaft 1, the first plug 6 is connected with a motor 7, a first through hole 8 communicated with the first connecting hole 5 is formed in the side face of the stirring shaft 1, a first rotating disc 9 is arranged on the stirring shaft 1 in a rotating and sealing mode, a first sealing cavity 10 is formed in the first rotating disc 9, and the first through hole 8 is communicated with the first sealing cavity 10; the first rotating disc 9 is intended to be mounted on the dissolving tank 3,
the lower end of the stirring shaft 1 is provided with a second connecting hole 11, the stirring shaft 1 is connected with a second plug 12, the second plug 12 is rotatably connected with the bracket 4, the side surface of the stirring shaft 1 is provided with a second through hole 13 communicated with the second connecting hole 11, a second rotating disc 14 is arranged on the stirring shaft 1 in a rotating and sealing manner, the second rotating disc 14 is fixedly arranged on the bracket 4, the second rotary table 14 is internally provided with a second sealing cavity 15, the second through hole 13 is communicated with the second sealing cavity 15, two ends of the spiral heat exchange tube 2 are respectively communicated with the first connecting hole and the second connecting hole, the first rotary table and the second rotary table are communicated with each other through a main tube 16, the main tube 16 is provided with a first air pump 17 and a steam source machine 18, the main tubes positioned at one side of the air inlet end and the air outlet end of the steam source machine 18 are respectively provided with a three-way electromagnetic valve 19, the three-way electromagnetic valves 19 are connected with each other through a branch tube 20, and the branch tubes 20 are provided with a second air pump 21 and a heat exchanger 22.
The utility model discloses a purpose of heat supply is realized to the steam source machine 18 that sets up, first carousel 9 and second carousel 14 realize rotating sealing connection with (mixing) shaft 1, simultaneously, spiral heat exchange tube 2 communicates with first carousel 9 and second carousel 14 through first connecting hole 5 and second connecting hole 11, when motor 7 drives (mixing) shaft 1 to rotate, spiral heat exchange tube 2 can realize the purpose of stirring, simultaneously, high temperature steam directly heats the material when flowing through spiral heat exchange tube 2, because when (mixing) shaft 1 rotates, spiral heat exchange tube 2 can improve the stirring effect when following (mixing) shaft 1 and rotating, also can improve the heating effect; the first rotating disc 9 and the second rotating disc 14 are in rotating connection with the stirring shaft 1, and the purposes of heat supply and stirring are achieved during reaction; after the reaction finishes, through controlling three solenoid valve 19, and then make spiral heat exchange tube 2 and branch pipe 20 intercommunication to under the effect of second air pump 21, send the inside heat of dissolving tank 3 to heat exchanger 22 department and carry out the heat transfer, and then realize the utilization of inside waste heat, the utility model discloses can realize stirring, heat supply and waste heat recovery's switching, can realize the recycle of waste heat.
Wherein, the first and second turntables are in rotary sealing connection with the stirring shaft 1 through a rotary sealing ring 23; the rotation sealing ring 23 can realize the rotation sealing connection of the first rotating disc 9 and the second rotating disc 14 with the stirring shaft 1, and the condition that steam leaks when the stirring shaft 1 rotates is avoided.
Further optimization, the spiral heat exchange tube 2 is connected with the stirring shaft 1 through a plurality of connecting rods 24; the connecting rod 24 that sets up can make the spiral heat exchange tube 2 more firm with being connected between the (mixing) shaft 1, can also realize the purpose of stirring behind the (mixing) shaft 1 in the pivoted simultaneously.
Wherein, the stirring shaft 1 is connected with the dissolving tank 3 through a bearing.
Further preferably, in this embodiment, the dissolving tank 3 includes an inner shell 25 and an outer shell 26, a heating region 27 is formed between the inner shell 25 and the outer shell 26, the outer shell 26 is provided with an air inlet 28 and an air outlet 29 which are communicated with the heating region 27, and the air inlet 28 and the air outlet are respectively connected with an air outlet end and an air inlet end of the steam source machine 18.
Like this, in the in-service use, not only can use spiral heat exchange tube 2 to realize the heating of material, simultaneously, can heat inner shell 25 after will injecting steam into heating region 27, and then realize the purpose that inner shell 25 heated, like this, can use spiral heat exchange tube 2 to carry out the inside heating, inner shell 25 carries out the outside heating, improves heating efficiency, shortens the heat time.
Wherein, the first end and the second end are connected with the stirring shaft 1 through a flange plate 30.
Further optimize, motor 7 passes through support frame fixed mounting on dissolving tank 3.
When the motor is used, the first end is connected with the output shaft of the motor 7 through a coupler.
Further optimization, a heat insulation layer is arranged outside the dissolving tank 3; the heat insulating layer can play the purpose of thermal insulation, reduces thermal loss.
Example two
This embodiment is further optimized based on the first embodiment, in this embodiment, the second plug 12 is connected to a stirring blade 31 after passing through the support 4. The stirring efficiency can be further improved through the stirring vane 31 wheel.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.
Claims (10)
1. The utility model provides an energy-saving urea dissolving tank heat recovery utilizes device which characterized in that: the device comprises a stirring assembly arranged on a dissolving tank, wherein the stirring assembly comprises a stirring shaft, a spiral heat exchange pipe arranged on the stirring shaft, and a support arranged in the dissolving tank and rotationally connected with the stirring shaft;
the stirring shaft is provided with a first connecting hole, a first plug for plugging the first connecting hole is arranged on the stirring shaft, the first plug is connected with a motor, a first through hole communicated with the first connecting hole is formed in the side surface of the stirring shaft, a first rotating disc is arranged on the stirring shaft in a rotating and sealing mode, a first sealing cavity is formed in the first rotating disc, and the first through hole is communicated with the first sealing cavity; the first rotating disc is used for being arranged on the dissolving tank,
the lower end of the stirring shaft is provided with a second connecting hole, the stirring shaft is connected with a second plug, the second plug is rotatably connected with the support, a second through hole communicated with the second connecting hole is formed in the side face of the stirring shaft, a second rotary disc is rotatably and hermetically arranged on the stirring shaft, the second rotary disc is fixedly arranged on the support, a second sealed cavity is formed in the second rotary disc, the second through hole is communicated with the second sealed cavity, two ends of the spiral heat exchange tube are respectively communicated with the first connecting hole and the second connecting hole, the first rotary disc and the second rotary disc are communicated with each other through a main tube, a first air pump and a steam source machine are arranged on the main tube, three-way electromagnetic valves are arranged on the main tubes on one sides of an air inlet end and an air outlet end of the steam source machine, the three-way electromagnetic valves are connected through branch tubes, and a second air pump and a heat exchanger are arranged on the branch tubes.
2. The energy-saving urea dissolving tank heat recycling device according to claim 1, characterized in that: the first and second turntables are connected with the stirring shaft in a rotating and sealing way through rotating sealing rings.
3. The energy-saving urea dissolving tank heat recycling device according to claim 1, characterized in that: the spiral heat exchange tube is connected with the stirring shaft through a plurality of connecting rods.
4. The energy-saving urea dissolving tank heat recycling device according to claim 1, characterized in that: the second plug penetrates through the support and then is connected with a stirring impeller.
5. The energy-saving urea dissolving tank heat recycling device according to claim 1, characterized in that: the stirring shaft is connected with the dissolving tank through a bearing.
6. The energy-saving urea dissolving tank heat recycling device according to any one of claims 1 to 5, characterized in that: the dissolving tank comprises an inner shell and an outer shell, a heating area is formed between the inner shell and the outer shell, an air inlet and an air outlet which are communicated with the heating area are formed in the outer shell, and the air inlet and the air outlet are respectively connected with an air outlet end and an air inlet end of the steam source machine.
7. The energy-saving urea dissolving tank heat recycling device according to claim 1, characterized in that: the first end and the second end are connected with the stirring shaft through flange plates.
8. The energy-saving urea dissolving tank heat recycling device according to claim 1, characterized in that: the motor is fixedly arranged on the dissolving tank through a support frame.
9. The energy-saving urea dissolving tank heat recycling device of claim 1, which is characterized in that: the first end is connected with the output shaft of the motor through a coupler.
10. The energy-saving urea dissolving tank heat recycling device according to claim 1, characterized in that: the outside of the dissolving tank is provided with a heat insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220467321.2U CN216825877U (en) | 2022-03-04 | 2022-03-04 | Energy-saving urea dissolving tank heat recovery utilizes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220467321.2U CN216825877U (en) | 2022-03-04 | 2022-03-04 | Energy-saving urea dissolving tank heat recovery utilizes device |
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| Publication Number | Publication Date |
|---|---|
| CN216825877U true CN216825877U (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220467321.2U Active CN216825877U (en) | 2022-03-04 | 2022-03-04 | Energy-saving urea dissolving tank heat recovery utilizes device |
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| Country | Link |
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| CN (1) | CN216825877U (en) |
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- 2022-03-04 CN CN202220467321.2U patent/CN216825877U/en active Active
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