CN210103730U - Cooling structure for low-temperature belt type sludge drier - Google Patents
Cooling structure for low-temperature belt type sludge drier Download PDFInfo
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- CN210103730U CN210103730U CN201920586052.XU CN201920586052U CN210103730U CN 210103730 U CN210103730 U CN 210103730U CN 201920586052 U CN201920586052 U CN 201920586052U CN 210103730 U CN210103730 U CN 210103730U
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Abstract
The utility model discloses a cooling structure for a sludge low-temperature belt type drying machine, which comprises a cooling water inlet header pipe, a cooling water outlet header pipe, a plurality of cooling modules and a return pipe, wherein the return pipe and the cooling water outlet header pipe are in the same structure and are arranged in parallel; the flow direction of the cooling medium of the cooling water inlet main pipe is the same as that of the cooling medium of the return pipe, and the flow direction of the cooling medium of the return pipe is opposite to that of the cooling medium of the cooling water outlet main pipe. The flow strokes of the cooling media of the cooling modules no matter how far away from the head end of the cooling water inlet main pipe are the same, so that the water inlet pressure and the water outlet pressure of each cooling module are the same; the flow of the cooling medium of the cooling module behind is ensured, and the situation that the temperature of the heat pump unit cannot be reduced is avoided.
Description
Technical Field
The utility model relates to a mummification machine cooling system field especially relates to a cooling structure for mud low temperature belt mummification machine.
Background
The sludge belt type low-temperature dehumidifying and drying machine adopts a convection hot air drying mode to carry out dehydration drying reduction on wet sludge on a mesh belt, automatic temperature control is realized according to changes of sludge feeding amount, environment temperature and the like of equipment in the heating process, and a cooling system is required to be arranged to take away redundant heat released by a compressor during working; the sludge belt type low-temperature dehumidifying and drying machine is of a multi-module combined structure, each module is provided with a cooling system, and the cooling systems are connected with the same cooling water inlet main pipe and the same cooling water outlet main pipe.
Referring to fig. 1 and 2, wherein 1 is a cooling water outlet header pipe, 2 is a cooling water inlet header pipe, 3 is a cooling module, 4 is a cooling water inlet branch pipe, and 5 is a cooling water outlet branch pipe; fig. 1 and fig. 2 respectively show the flow routes of the cooling media of the cooling modules at different positions, and the flow stroke of the cooling medium of the cooling module close to the head end (i.e. the flow inlet end of the cooling medium) of the cooling water inlet main is obviously shorter than that of the cooling module far away from the head end of the cooling water inlet main, so that the water inlet and outlet pressure of the cooling module close to the head end of the cooling water inlet main is obviously higher than that of the cooling module far away from the head end of the cooling water inlet main; under the condition that the flow of the drying machine cooling medium is fixed, the flow of the cooling medium of the rear cooling module is less than that of the front cooling module, so that the temperature of the rear heat pump units cannot be reduced, and overtemperature alarm is frequent.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a cooling structure for mud low temperature belt drier can solve because of the different problem that leads to having the cooling module cooling effect not good of the business turn over water pressure difference of the cooling module of different positions.
The technical scheme of the utility model is realized like this:
a cooling structure for a sludge low-temperature belt type drying machine comprises a cooling water inlet main pipe, a cooling water outlet main pipe, a plurality of cooling modules and a return pipe, wherein the return pipe and the cooling water outlet main pipe are identical in structure and are arranged in parallel; the flow direction of the cooling medium of the cooling water inlet main pipe is the same as that of the cooling medium of the return pipe, and the flow direction of the cooling medium of the return pipe is opposite to that of the cooling medium of the cooling water outlet main pipe; the tail end of the return pipe is connected with the head end of the cooling water outlet main pipe; all cooling modules are respectively connected with the cooling water inlet main pipe through cooling water inlet branch pipes and connected with the return pipe through cooling water outlet branch pipes.
Furthermore, the distance between the positions of the cooling water inlet main pipe and the cooling water outlet branch pipes of the two cooling modules is equal to the distance between the positions of the return pipe and the cooling water outlet branch pipes of the two cooling modules.
Furthermore, the cooling water inlet branch pipes connected with all the cooling modules have the same specification, and the cooling water outlet branch pipes connected with the cooling modules have the same specification.
Furthermore, the cooling water inlet main pipe is connected with a water pump, the water pump is connected with a water tank, and the cooling water outlet main pipe is connected with the water tank.
Further, the water pump is one of a centrifugal pump, an axial flow pump and a mixed flow pump.
The utility model has the advantages that: the flow strokes of the cooling media of the cooling modules no matter how far away from the head end of the cooling water inlet main pipe are the same, so that the water inlet pressure and the water outlet pressure of each cooling module are the same; the flow of the cooling medium of the cooling module behind is ensured, and the situation that the temperature of the heat pump unit cannot be reduced is avoided.
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 a cooling structure of a conventional sludge low-temperature belt dryer;
FIG. 2 is a second schematic structural diagram of a cooling structure of a conventional sludge low-temperature belt dryer;
fig. 3 is one of the schematic diagrams of the cooling structure of the low-temperature belt type sludge drying machine of the present invention;
fig. 4 is a second schematic view of the cooling structure for the low-temperature belt type sludge drying machine of the present invention.
In the figure: 1. cooling the water outlet main pipe; 2. cooling the water inlet main pipe; 3. a cooling module; 4. cooling the water inlet branch pipe; 5. cooling the water outlet branch pipe; 6. a return pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 3 and 4, a cooling structure for a low-temperature belt type sludge drying machine is shown, and includes a cooling water inlet header pipe 2, a cooling water outlet header pipe 1, a plurality of cooling modules 3, and a return pipe 6, where the return pipe 6 is the same as and parallel to the cooling water outlet header pipe 1 in structure; the flow direction of the cooling medium of the cooling water inlet header pipe 2 is the same as that of the cooling medium of the return pipe 6, and the flow direction of the cooling medium of the return pipe 6 is opposite to that of the cooling medium of the cooling water outlet header pipe 1; the tail end of the return pipe 6 is connected with the head end of the cooling water outlet main pipe 1; all cooling modules 3 are respectively connected with the cooling water inlet main pipe 2 through cooling water inlet branch pipes 4 and connected with the return pipe 6 through cooling water outlet branch pipes 5. The cooling water inlet branch pipes 4 of the two cooling modules 3 are connected with the distance between the positions of the cooling water inlet main pipe 2, and the distance between the positions of the return pipe 6 is equal to the distance between the positions of the cooling water outlet branch pipes 4 of the two cooling modules 3. The cooling water inlet branch pipes 4 connected with all the cooling modules 3 have the same specification, and the cooling water outlet branch pipes 5 connected with the cooling modules have the same specification. The cooling water inlet manifold 2 is connected with a water pump (not shown), the water pump is connected with a water tank (not shown), and the cooling water outlet manifold 1 is connected with the water tank.
The lengths of the cooling water inlet main pipe 2, the return pipe 6 and the cooling water outlet main pipe 1 are the same.
The water pump is one of a centrifugal pump, an axial flow pump or a mixed flow pump.
The cooling module is composed of a cooling pipeline, and different working modules on the sludge low-temperature belt type drying machine are respectively cooled by the cooling modules.
The working principle is as follows: the head end and the tail end of the pipeline are defined according to the flowing direction of the cooling medium, the connecting position of the cooling water inlet branch pipe 4 on one cooling module 3 is closer to the head end of the cooling water inlet main pipe 2, and the connecting position of the cooling water outlet branch pipe 5 on the cooling module 3 is closer to the tail end of the return pipe 6; the flow strokes of the cooling medium of the cooling modules 3 at all positions are equal to the sum of the lengths of the cooling water inlet manifold 2 and the cooling water outlet manifold 1.
The flow strokes of the cooling media of the cooling modules 3 no matter how far away from the head end of the cooling water inlet main pipe 2 are the same, so that the water inlet pressure and the water outlet pressure of each cooling module 3 are the same; the flow of the cooling medium of the cooling module 3 behind is ensured, and the situation that the temperature of the heat pump unit cannot be reduced is avoided.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a cooling structure for mud low temperature belt drier, includes cooling inlet manifold, cooling outlet manifold and a plurality of cooling module, its characterized in that: the return pipe and the cooling water outlet main pipe are identical in structure and are arranged in parallel; the flow direction of the cooling medium of the cooling water inlet main pipe is the same as that of the cooling medium of the return pipe, and the flow direction of the cooling medium of the return pipe is opposite to that of the cooling medium of the cooling water outlet main pipe; the tail end of the return pipe is connected with the head end of the cooling water outlet main pipe; all cooling modules are respectively connected with the cooling water inlet main pipe through cooling water inlet branch pipes and connected with the return pipe through cooling water outlet branch pipes.
2. The cooling structure for the low-temperature belt type sludge drying machine according to claim 1, is characterized in that: the cooling water inlet branch pipes of the two cooling modules are connected with the distance between the positions of the cooling water inlet main pipe, and the distance is equal to the distance between the positions of the return pipes, wherein the cooling water outlet branch pipes of the two cooling modules are connected with the return pipes.
3. The cooling structure for the low-temperature belt type sludge drying machine according to claim 2, is characterized in that: the cooling water inlet branch pipes connected with all the cooling modules have the same specification, and the cooling water outlet branch pipes connected with the cooling modules have the same specification.
4. The cooling structure for the low-temperature belt type sludge drying machine according to claim 1, is characterized in that: the cooling water inlet main pipe is connected with a water pump, the water pump is connected with a water tank, and the cooling water outlet main pipe is connected with the water tank.
5. The cooling structure for the low-temperature belt type sludge drying machine according to claim 4, is characterized in that: the water pump is one of a centrifugal pump, an axial flow pump or a mixed flow pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586052.XU CN210103730U (en) | 2019-04-26 | 2019-04-26 | Cooling structure for low-temperature belt type sludge drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586052.XU CN210103730U (en) | 2019-04-26 | 2019-04-26 | Cooling structure for low-temperature belt type sludge drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210103730U true CN210103730U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920586052.XU Active CN210103730U (en) | 2019-04-26 | 2019-04-26 | Cooling structure for low-temperature belt type sludge drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210103730U (en) |
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2019
- 2019-04-26 CN CN201920586052.XU patent/CN210103730U/en active Active
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