CN214407093U - Plate heat exchanger suitable for impurity-containing steam and drying system thereof - Google Patents
Plate heat exchanger suitable for impurity-containing steam and drying system thereof Download PDFInfo
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- CN214407093U CN214407093U CN202022576942.8U CN202022576942U CN214407093U CN 214407093 U CN214407093 U CN 214407093U CN 202022576942 U CN202022576942 U CN 202022576942U CN 214407093 U CN214407093 U CN 214407093U
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Abstract
The utility model relates to a plate heat exchanger and a drying system thereof suitable for vapor containing impurities, wherein the heat source of the heat exchanger is vapor containing impurities; the heat exchanger includes a main body; the main body comprises a shell, the shell is a square shell, a plurality of vertical plates are arranged in the square shell side by side, the vertical plates are fixedly connected with the shell, the interior of the shell is divided into a plurality of cavities, the cavities are alternately a heat source cavity and an air cavity, the front side and the rear side of the upper end of each heat source cavity are respectively provided with a hole, one is a heat source inlet, the other is a heat source outlet, the front end and the rear end of each air cavity are respectively provided with an opening, one is an air inlet, and the other is an air outlet; the heat exchanger also comprises a water collecting tank which is fixedly connected below the shell and is in sealing contact with the shell; the lower end of each heat source cavity is provided with an opening and is communicated with the water collecting tank through the opening. Reasonable in design, the design is ingenious, adopts above-mentioned plate heat exchanger can directly adopt the steam that contains impurity as the heat source.
Description
Technical Field
The utility model relates to a mummification technical field, concretely relates to plate heat exchanger suitable for contain impurity steam and mummification system thereof.
Background
Steam is often used as a heat source in a heat exchange process, but in a sludge drying system, the steam generated at the front end contains impurities, cannot be directly used as the heat source, often needs to be subjected to impurity removal, and is used as the heat source, 1) impurity removal is required, impurity removal equipment is inevitably required to be added, and the economic benefit is low; 2) in the process of removing impurities, heat loss and waste are inevitable.
Disclosure of Invention
In order to solve the problem, the utility model provides a plate heat exchanger and mummification system suitable for contain impurity steam.
The technical scheme of the utility model:
a plate heat exchanger suitable for vapor containing impurities, the heat source of the heat exchanger is vapor containing impurities; the heat exchanger includes a main body; the main body comprises a shell, the shell is a square shell, a plurality of vertical plates are arranged in the square shell side by side, the vertical plates are fixedly connected with the shell, the interior of the shell is divided into a plurality of cavities, the cavities are alternately a heat source cavity and an air cavity, the front side and the rear side of the upper end of each heat source cavity are respectively provided with a hole, one is a heat source inlet, the other is a heat source outlet, the front end and the rear end of each air cavity are respectively provided with an opening, one is an air inlet, and the other is an air outlet;
the heat exchanger also comprises a water collecting tank which is fixedly connected below the shell and is in sealing contact with the shell; the lower end of each heat source cavity is provided with an opening and is communicated with the water collecting tank through the opening.
The design has the water collecting tank, and when the steam containing impurities condenses in the heat source cavity, the impurities mixed with the condensed water fall into the water collecting tank and cannot be blocked in the heat source cavity.
A plurality of transverse plates are vertically arranged in each air cavity and fixedly connected with two adjacent vertical plates to divide the air cavity into a plurality of small air cavities; therefore, the air to be heated is distributed in the small air cavity, so that the heat exchange is uniform, and the heat exchange area is increased.
And an automatic cleaning device is arranged in each heat source cavity.
The automatic cleaning device comprises a cleaning main body, wherein the cleaning main body comprises a straight pipe with two sealed ends and a plurality of spray heads, the straight pipe is transversely arranged in a heat source cavity, an air cylinder is fixedly arranged on the shell, an air cylinder push rod penetrates through the shell to extend into the heat source cavity and is fixedly connected with the middle part of the straight pipe to drive the straight pipe to move up and down in the heat source cavity, and all the spray heads are sequentially arranged on the straight pipe and alternately face to the two side walls of the heat source cavity; the automatic cleaning device also comprises a telescopic metal hose, the metal hose is arranged in the heat source cavity, the upper end of the metal hose is connected with a water supply port arranged at the upper end of the heat source cavity, and the lower end of the metal hose is connected with a straight pipe.
Certainly, the steam containing impurities is condensed, so that partial impurities cannot be adsorbed on the inner wall of the heat source cavity, and the heat exchange effect of the heat exchanger is inevitably influenced in the past; and considering that the heat exchanger is a closed device and is very inconvenient to disassemble and clean, the automatic cleaning device is designed for cleaning the two side walls of the heat source cavity regularly to remove impurities on the two side walls of the heat source cavity.
An emptying/slag discharging port is arranged at one side of the bottom of the water collecting tank, and an electric control valve is arranged on the emptying/slag discharging port; draining and/or relieving pressure by the electric control valve.
And a liquid level switch and/or a pressure switch are/is installed in the water collecting tank, the liquid level switch and/or the pressure switch are/is connected with a control system and are/is connected with an electric control valve through the control system, and the control system is formed by connecting a PLC.
A drying system comprises a front-end device, wherein the front-end device generates steam containing impurities; the heat exchanger forming the drying system is the plate heat exchanger suitable for the impurity-containing steam; the front-end equipment is connected with the heat exchanger through a gas supply pipeline, and a Roots blower is installed on the gas supply pipeline to provide a heat source.
The utility model has the advantages of, reasonable in design thinks about ingeniously, adopts above-mentioned plate heat exchanger can directly adopt the steam that contains impurity as the heat source, and it further uses it to the mummification system, directly regards the steam that contains impurity that produces its front end as the heat source of heat exchanger, realizes the resource utilization of heat source.
Drawings
Fig. 1 is a perspective view of a heat exchanger.
Fig. 2 is a front view of the heat exchanger.
Fig. 3 is a schematic sectional view taken along the direction of fig. 2A-a.
Fig. 4 is a side view of a heat exchanger.
Fig. 5 is a schematic sectional view taken along the direction of fig. 4B-B.
In the figure, a main body 1, a shell 11, a heat source cavity 12, an air cavity 13, an automatic cleaning device 14, a cleaning main body 141, an air cylinder 142, a metal hose 143, a water collecting tank 2 and a emptying/slag discharging port 21.
Detailed Description
1-5, a drying system includes a front-end device that produces a vapor containing impurities; the front-end equipment is connected with the heat exchanger through a gas supply pipeline, and a Roots blower is installed on the gas supply pipeline to provide a heat source.
The heat exchanger is a plate heat exchanger suitable for steam containing impurities and comprises a main body 1 and a water collecting tank 2.
The main body 1 comprises a shell 11, the shell 11 is a square shell, a plurality of vertical plates are arranged in the square shell side by side and fixedly connected with the shell 11, the interior of the shell 11 is divided into a plurality of chambers, the chambers are alternately a heat source chamber 12 and an air chamber 13, the front side and the rear side of the upper end of each heat source chamber 12 are respectively provided with a hole, one is a heat source inlet, the other is a heat source outlet, the front end and the rear end of each air chamber 13 are respectively provided with an opening, the other is an air inlet, and the other is an air outlet; a plurality of transverse plates are vertically arranged in each air cavity 13 and fixedly connected with two adjacent vertical plates to divide the air cavity into a plurality of small air cavities; an automatic cleaning device 14 is arranged in each heat source cavity 12; the automatic cleaning device 14 comprises a cleaning main body 141, the cleaning main body 141 comprises a straight pipe with two sealed ends and a plurality of spray heads, the straight pipe is transversely arranged in the heat source cavity 12, an air cylinder 142 is fixedly arranged on the shell 11, a push rod of the air cylinder 142 penetrates through the shell 11 to extend into the heat source cavity 12 and is fixedly connected with the middle part of the straight pipe to drive the straight pipe to move up and down in the heat source cavity 12, and all the spray heads are sequentially arranged on the straight pipe and face to two side walls of the heat source cavity 12 alternately; the automatic cleaning device 14 further comprises a telescopic metal hose 143, the metal hose 143 is arranged in the heat source cavity 12, the upper end of the metal hose is connected with a water supply port arranged at the upper end of the heat source cavity 12, and the lower end of the metal hose is connected with a straight pipe.
The water collecting tank 2 is fixedly connected with the lower part of the shell 11 and is in sealed contact with the shell 11; the lower end of each heat source cavity 12 is opened and communicated with the water collecting tank 2 through the opening; an emptying/slag discharging port 21 is formed in one side of the bottom of the water collecting tank 2, and an electric control valve is mounted on the emptying/slag discharging port 21; draining and/or relieving pressure by the electric control valve; and a liquid level switch and/or a pressure switch are/is installed in the water collecting tank, the liquid level switch and/or the pressure switch are/is connected with a control system and are/is connected with an electric control valve through the control system, and the control system is formed by connecting a PLC.
Because of the limited character expression, there exists an infinite concrete structure objectively, for those skilled in the art, without departing from the principle of the present invention, a plurality of improvements, decorations or changes can be made, and the above technical features can be combined in a proper way; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.
Claims (6)
1. A plate heat exchanger suitable for vapor containing impurities, the heat source of the heat exchanger is vapor containing impurities; the heat exchanger includes a main body; the heat source device is characterized in that the main body comprises a shell, the shell is a square shell, a plurality of vertical plates are arranged in the square shell side by side and fixedly connected with the shell, the interior of the shell is divided into a plurality of cavities, the cavities are alternately a heat source cavity and an air cavity, holes are formed in the front side and the rear side of the upper end of each heat source cavity, one heat source inlet and one heat source outlet are formed in the front end and the rear end of each air cavity, and one air inlet and one air outlet are formed in the front end and the rear end of each air cavity;
the heat exchanger also comprises a water collecting tank which is fixedly connected below the shell and is in sealing contact with the shell; the lower end of each heat source cavity is provided with an opening and is communicated with the water collecting tank through the opening.
2. The plate heat exchanger of claim 1, wherein a plurality of transverse plates are vertically arranged in each air chamber, and the transverse plates are fixedly connected to two adjacent vertical plates to divide the air chamber into a plurality of small air chambers.
3. A plate heat exchanger adapted for impure steam according to claim 1, wherein an automatic cleaning device is installed in each heat source chamber;
the automatic cleaning device comprises a cleaning main body, wherein the cleaning main body comprises a straight pipe with two sealed ends and a plurality of spray heads, the straight pipe is transversely arranged in a heat source cavity, an air cylinder is fixedly arranged on the shell, an air cylinder push rod penetrates through the shell to extend into the heat source cavity and is fixedly connected with the middle part of the straight pipe to drive the straight pipe to move up and down in the heat source cavity, and all the spray heads are sequentially arranged on the straight pipe and alternately face to the two side walls of the heat source cavity; the automatic cleaning device also comprises a telescopic metal hose, the metal hose is arranged in the heat source cavity, the upper end of the metal hose is connected with a water supply port arranged at the upper end of the heat source cavity, and the lower end of the metal hose is connected with a straight pipe.
4. The plate heat exchanger applicable to impurity-containing steam as claimed in claim 1, wherein one side of the bottom of the water collecting tank is provided with a vent/slag discharge port, and an electric control valve is arranged on the vent/slag discharge port; draining and/or relieving pressure by the electric control valve.
5. The plate heat exchanger suitable for impurity-containing steam as claimed in claim 4, wherein a liquid level switch and/or a pressure switch are/is installed in the water collection tank, the liquid level switch and/or the pressure switch are/is connected with a control system, and are/is connected with an electric control valve through the control system, and the control system is formed by connecting a PLC.
6. A drying system comprises a front-end device, wherein the front-end device generates steam containing impurities; the drying system is characterized in that a heat exchanger forming the drying system is a plate heat exchanger suitable for vapor containing impurities as claimed in any one of claims 1 to 5; the front-end equipment is connected with the heat exchanger to provide a heat source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022576942.8U CN214407093U (en) | 2020-11-10 | 2020-11-10 | Plate heat exchanger suitable for impurity-containing steam and drying system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022576942.8U CN214407093U (en) | 2020-11-10 | 2020-11-10 | Plate heat exchanger suitable for impurity-containing steam and drying system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214407093U true CN214407093U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022576942.8U Active CN214407093U (en) | 2020-11-10 | 2020-11-10 | Plate heat exchanger suitable for impurity-containing steam and drying system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214407093U (en) |
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2020
- 2020-11-10 CN CN202022576942.8U patent/CN214407093U/en active Active
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