CN217818028U - Monoammonium phosphate drying tower heat exchange fan air inlet preheater - Google Patents
Monoammonium phosphate drying tower heat exchange fan air inlet preheater Download PDFInfo
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- CN217818028U CN217818028U CN202221326139.1U CN202221326139U CN217818028U CN 217818028 U CN217818028 U CN 217818028U CN 202221326139 U CN202221326139 U CN 202221326139U CN 217818028 U CN217818028 U CN 217818028U
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Abstract
An air inlet preheater of a heat exchange fan of a monoammonium phosphate drying tower comprises a heat exchanger (1), an air inlet bent pipe (2), an air outlet pipeline (3) and a condensed water circulation component, wherein the air inlet bent pipe (2) is communicated with an air inlet at one end of the heat exchanger (1), the air outlet pipeline (3) is communicated with an air outlet at the other end of the heat exchanger (1), the condensed water circulation component comprises a condensed water main pipe (4), a heat exchange water inlet pipe (5), a heat exchange water outlet pipe (6) and a circulation water return pipe (7), a three-way pipe head is arranged on the condensed water main pipe (4), and the inlet end of the heat exchange water inlet pipe (5) is communicated with a branch water outlet of the three-way pipe head of the condensed water main pipe (4); the advantages are that: the inlet air of the heat exchange fan of the drying tower is heated by utilizing the waste heat of the condensed water, so that the steam consumption of the subsequent drying heat exchanger is reduced, and the energy is saved and the consumption is reduced.
Description
Technical Field
The utility model relates to a pre-heater field, concretely relates to monoammonium phosphate drying tower heat transfer fan air intake pre-heater.
Background
At present, on a monoammonium phosphate production line, outdoor normal-temperature air is adopted as air inlet of a heat exchange fan of a drying tower, the heat exchange efficiency of a drying heat exchanger is low, particularly the temperature in winter is low, the steam consumption is greatly increased, and the energy waste is caused. In order to ensure that the yield reaches the standard, the steam pressure is improved, and the service life of the equipment is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a monoammonium phosphate drying tower heat transfer fan air intake preheater aiming at the above insufficiency.
The utility model comprises a heat exchanger, an air inlet bent pipe, an air outlet pipeline and a condensed water circulating component,
the air inlet bent pipe is communicated with an air inlet at one end of the heat exchanger, the air outlet pipeline is communicated with an air outlet at the other end of the heat exchanger,
the condensed water circulating component comprises a condensed water main pipe, a heat exchange water inlet pipe, a heat exchange water outlet pipe and a circulating water return pipe,
the condensed water main pipe is provided with a three-way pipe head, the inlet end of the heat exchange water inlet pipe is communicated with the branch water outlet of the three-way pipe head of the condensed water main pipe, the outlet end of the heat exchange water inlet pipe is communicated with the water inlet of the heat exchanger, the inlet end of the heat exchange water outlet pipe is communicated with the water outlet of the heat exchanger, the outlet end of the heat exchange water outlet pipe is provided with the three-way pipe head, one end of the three-way pipe head of the heat exchange water outlet pipe is connected with a drain pipe, the other end of the three-way pipe head of the heat exchange water outlet pipe is connected with a circulating water return pipe, the water outlet of the circulating water return pipe is communicated with the condensed water main pipe,
and valves are arranged on a pair of water outlets of the three-way pipe head of the condensation water main pipe, and valves are arranged on a pair of water outlets of the three-way pipe head of the heat exchange water outlet pipe.
The air inlet bent pipe is characterized by further comprising a rain-proof cap, wherein the inlet end of the air inlet bent pipe is provided with a pipe clamp, and the rain-proof cap is installed on the outer wall of the pipe clamp through a support.
The air outlet of the air outlet pipeline is communicated with the air inlet of the heat exchange fan.
The valve of the three-way pipe head of the condensate water main pipe is a ball valve.
The valve of the three-way pipe head of the heat exchange water outlet pipe is a ball valve.
The heat exchanger is a shell and tube heat exchanger.
The heat exchanger is a plate heat exchanger.
The air inlet bent pipe and the air outlet pipeline are both stainless steel pipelines.
The rain hat is made of stainless steel materials.
The utility model has the advantages that: the inlet air of the heat exchange fan of the drying tower is heated by utilizing the waste heat of the condensed water, so that the steam consumption of the subsequent drying heat exchanger is reduced, and the energy is saved and the consumption is reduced.
Description of the figures
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of the heat exchanger of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inside", "outside", etc. are used for indicating the orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention usually place when using, the present invention is only used for convenience of description and simplification of the description, but does not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and thus, the present invention should not be construed as being limited. Furthermore, the appearances of the terms "first," "second," and the like in the description of the present invention are not intended to be limiting but rather are to be construed as indicating or implying relative importance. In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in the attached drawings, the utility model comprises a heat exchanger 1, an air inlet bent pipe 2, an air outlet pipeline 3 and a condensed water circulating component,
the air inlet bent pipe 2 is communicated with an air inlet at one end of the heat exchanger 1, the air outlet pipeline 3 is communicated with an air outlet at the other end of the heat exchanger 1,
the condensed water circulating component comprises a condensed water main pipe 4, a heat exchange water inlet pipe 5, a heat exchange water outlet pipe 6 and a circulating water return pipe 7,
the condensed water main pipe 4 is provided with a three-way pipe head, the inlet end of the heat exchange water inlet pipe 5 is communicated with the branch water outlet of the three-way pipe head of the condensed water main pipe 4, the outlet end of the heat exchange water inlet pipe 5 is communicated with the water inlet of the heat exchanger 1, the inlet end of the heat exchange water outlet pipe 6 is communicated with the water outlet of the heat exchanger 1, the outlet end of the heat exchange water outlet pipe 6 is provided with the three-way pipe head, one end of the three-way pipe head of the heat exchange water outlet pipe 6 is connected with a water outlet pipe, the other end of the three-way pipe head of the heat exchange water outlet pipe 6 is connected with a circulating water return pipe 7, the water outlet of the circulating water return pipe 7 is communicated with the condensed water main pipe 4,
valves are arranged on a pair of water outlets of the three-way pipe head of the condensate water main pipe 4, and valves are arranged on a pair of water outlets of the three-way pipe head of the heat exchange water outlet pipe 6.
It also has rain hat 8, and the entrance point of air inlet return bend 2 is provided with the pipe clamp, and rain hat 8 passes through the support mounting on the pipe clamp outer wall.
The air outlet of the air outlet pipeline 3 is communicated with the air inlet of the heat exchange fan 10.
The valve of the three-way pipe head of the condensation water main pipe 4 is a ball valve.
The valve of the three-way pipe head of the heat exchange water outlet pipe 6 is a ball valve.
The heat exchanger 1 is a tube heat exchanger.
The heat exchanger 1 is a plate heat exchanger.
The air inlet bent pipe 2 and the air outlet pipeline 3 are both stainless steel pipelines.
The rain hat 8 is made of stainless steel material.
Example 1: condensed water of a concentration system on a monoammonium phosphate production line is conveyed through a condensed water header pipe 4, the temperature of the condensed water in the condensed water header pipe 4 is 85 ℃, and the condensed water in the condensed water header pipe 4 is conveyed into a heat exchanger 1 through a heat exchange water inlet pipe 5; the heat exchange fan 10 is started to suck outdoor air, the air is conveyed into the heat exchanger 1 through the air inlet bent pipe 2, heat in condensed water is transferred to the air in the heat exchanger 1, and the air is conveyed into the heat exchange fan 10 through the air outlet pipeline 3 after being preheated. The condensed water after heat exchange is discharged by a heat exchange water outlet pipe 6, and can also be conveyed back into a condensed water main pipe 4 by a circulating water return pipe 7.
Example 2: condensed water of a concentration system on a monoammonium phosphate production line is conveyed through a condensed water header pipe 4, the temperature of the condensed water in the condensed water header pipe 4 is 85 ℃, and the condensed water in the condensed water header pipe 4 is conveyed into a heat exchanger 1 through a heat exchange water inlet pipe 5; the heat exchange fan 10 starts, and with outdoor air suction, the air is sent to in the heat exchanger 1 by air inlet return bend 2, and the heat in the condensate water transmits the air in the heat exchanger 1, and the air is sent to in the heat exchange fan 10 by air-out pipeline 3 after preheating. The condensed water after heat exchange is discharged by a heat exchange water outlet pipe 6, and can also be conveyed back into a condensed water main pipe 4 by a circulating water return pipe 7. The rain-proof cap 8 can play a role in preventing rainwater from entering the air inlet bent pipe 2.
Example 3: condensed water of a concentration system on a monoammonium phosphate production line is conveyed through a condensed water header pipe 4, the temperature of the condensed water in the condensed water header pipe 4 is 85 ℃, and the condensed water in the condensed water header pipe 4 is conveyed into a heat exchanger 1 through a heat exchange water inlet pipe 5; the heat exchange fan 10 starts, and with outdoor air suction, the air is sent to in the heat exchanger 1 by air inlet return bend 2, and the heat in the condensate water transmits the air in the heat exchanger 1, and the air is sent to in the heat exchange fan 10 by air-out pipeline 3 after preheating. The condensed water after heat exchange is discharged by a heat exchange water outlet pipe 6, and can also be conveyed back into a condensed water main pipe 4 by a circulating water return pipe 7. The closing or opening of the valve controls whether the condensate is returned to the condensate header 4 or discharged directly.
Example 4: condensed water of a concentration system on a monoammonium phosphate production line is conveyed through a condensed water header pipe 4, the temperature of the condensed water in the condensed water header pipe 4 is 85 ℃, and the condensed water in the condensed water header pipe 4 is conveyed into a heat exchanger 1 through a heat exchange water inlet pipe 5; the heat exchange fan 10 starts, and with outdoor air suction, the air is sent to in the heat exchanger 1 by air inlet return bend 2, and the heat in the condensate water transmits the air in the heat exchanger 1, and the air is sent to in the heat exchange fan 10 by air-out pipeline 3 after preheating. The condensed water after heat exchange is discharged by a heat exchange water outlet pipe 6, and can also be conveyed back into a condensed water main pipe 4 by a circulating water return pipe 7. When the heat exchanger 1 is a tube type heat exchanger, air is conveyed in a heat transfer tube of the tube type heat exchanger, and condensed water flows in a shell of the tube type heat exchanger, so that heat in the condensed water is transferred to the air.
Example 5: condensed water of a concentration system on a monoammonium phosphate production line is conveyed through a condensed water header pipe 4, the temperature of the condensed water in the condensed water header pipe 4 is 85 ℃, and the condensed water in the condensed water header pipe 4 is conveyed into a heat exchanger 1 through a heat exchange water inlet pipe 5; the heat exchange fan 10 starts, and with outdoor air suction, the air is sent to in the heat exchanger 1 by air inlet return bend 2, and the heat in the condensate water transmits the air in the heat exchanger 1, and the air is sent to in the heat exchange fan 10 by air-out pipeline 3 after preheating. The condensed water after heat exchange is discharged by a heat exchange water outlet pipe 6, and can also be conveyed back into the condensed water main pipe 4 by a circulating water return pipe 7. When the heat exchanger 1 is a plate heat exchanger, air and condensate water are conducted in the heat transfer plates.
Claims (9)
1. An air inlet preheater of a heat exchange fan of a monoammonium phosphate drying tower is characterized by comprising a heat exchanger (1), an air inlet bent pipe (2), an air outlet pipeline (3) and a condensed water circulating component,
the air inlet bent pipe (2) is communicated with an air inlet at one end of the heat exchanger (1), the air outlet pipeline (3) is communicated with an air outlet at the other end of the heat exchanger (1),
the condensed water circulating component comprises a condensed water main pipe (4), a heat exchange water inlet pipe (5), a heat exchange water outlet pipe (6) and a circulating water return pipe (7),
a three-way pipe head is arranged on the condensate water main pipe (4), the inlet end of the heat exchange water inlet pipe (5) is communicated with the branch water outlet of the three-way pipe head of the condensate water main pipe (4), the outlet end of the heat exchange water inlet pipe (5) is communicated with the water inlet of the heat exchanger (1), the inlet end of the heat exchange water outlet pipe (6) is communicated with the water outlet of the heat exchanger (1), the outlet end of the heat exchange water outlet pipe (6) is provided with the three-way pipe head, one end of the three-way pipe head of the heat exchange water outlet pipe (6) is connected with a water outlet pipe, the other end of the three-way pipe head of the heat exchange water outlet pipe (6) is connected with a circulating water return pipe (7), the water outlet of the circulating water return pipe (7) is communicated with the condensate water main pipe (4),
valves are arranged on a pair of water outlets of the three-way pipe head of the condensate water main pipe (4), and valves are arranged on a pair of water outlets of the three-way pipe head of the heat exchange water outlet pipe (6).
2. The air inlet preheater of the heat exchange fan of the monoammonium phosphate drying tower as claimed in claim 1, characterized by further comprising a rain-proof cap (8), wherein the inlet end of the air inlet elbow (2) is provided with a pipe clamp, and the rain-proof cap (8) is arranged on the outer wall of the pipe clamp through a bracket.
3. The air inlet preheater of the heat exchange fan of the monoammonium phosphate drying tower as claimed in claim 1, wherein the air outlet of the air outlet pipeline (3) is communicated with the air inlet of the heat exchange fan (10).
4. The air inlet preheater of the heat exchange fan of the monoammonium phosphate drying tower as claimed in claim 1, wherein the valve of the three-way pipe head of the condensate water header pipe (4) is a ball valve.
5. The air inlet preheater of the heat exchange fan of the monoammonium phosphate drying tower as claimed in claim 1, wherein the valve of the three-way pipe head of the heat exchange water outlet pipe (6) is a ball valve.
6. The air inlet preheater of the heat exchange fan of the monoammonium phosphate drying tower as claimed in claim 1, wherein the heat exchanger (1) is a tubular heat exchanger.
7. The air inlet preheater of the heat exchange fan of the monoammonium phosphate drying tower as claimed in claim 1, wherein the heat exchanger (1) is a plate heat exchanger.
8. The air inlet preheater of the heat exchange fan of the monoammonium phosphate drying tower as claimed in claim 1, wherein the air inlet elbow (2) and the air outlet pipeline (3) are both stainless steel pipelines.
9. The air inlet preheater of the heat exchange fan of the monoammonium phosphate drying tower as claimed in claim 2, wherein the rain-proof cap (8) is made of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221326139.1U CN217818028U (en) | 2022-05-31 | 2022-05-31 | Monoammonium phosphate drying tower heat exchange fan air inlet preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221326139.1U CN217818028U (en) | 2022-05-31 | 2022-05-31 | Monoammonium phosphate drying tower heat exchange fan air inlet preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217818028U true CN217818028U (en) | 2022-11-15 |
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ID=83988609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221326139.1U Active CN217818028U (en) | 2022-05-31 | 2022-05-31 | Monoammonium phosphate drying tower heat exchange fan air inlet preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217818028U (en) |
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2022
- 2022-05-31 CN CN202221326139.1U patent/CN217818028U/en active Active
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