CN212205676U - Nitriding furnace cooling system - Google Patents
Nitriding furnace cooling system Download PDFInfo
- Publication number
- CN212205676U CN212205676U CN202020907839.4U CN202020907839U CN212205676U CN 212205676 U CN212205676 U CN 212205676U CN 202020907839 U CN202020907839 U CN 202020907839U CN 212205676 U CN212205676 U CN 212205676U
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- China
- Prior art keywords
- water
- heat exchange
- water inlet
- spiral
- exchange plate
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 238000005121 nitriding Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 120
- 238000012546 transfer Methods 0.000 claims description 19
- 239000000498 cooling water Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a nitriding furnace cooling system, which comprises a water supply system and N-grade heat exchange plates which are sequentially arranged from bottom to top, wherein N is more than or equal to 1, a spiral water channel is arranged in each heat exchange plate, the water supply system comprises a main water inlet pipe, a main water drainage pipe and an electric water separator, the water inlet of the electric water separator is communicated with the water outlet of the spiral water channel, two water outlets of the electric water separator are respectively communicated with the water inlet and the main water drainage pipe of the spiral water channel in the next-grade heat exchange plate, the water inlet of the secondary spiral water channel is provided with a three-way valve, three interfaces of the three-way valve are respectively communicated with the water inlet of the secondary spiral water channel, the water outlet of the higher-grade electric water separator and the main water inlet pipe, the spiral water channel water inlet in the first-grade heat exchange plate is directly communicated with the main water inlet, the temperature reduction speed in the furnace body is ensured to be consistent.
Description
Technical Field
The utility model relates to a machining equipment technical field specifically is a nitriding furnace cooling system.
Background
The nitriding furnace has the characteristics of low treatment temperature, short time and small workpiece deformation, and has the following properties: high fatigue limit and good wear resistance.
After the nitriding furnace carries out the nitriding treatment, need with the work piece along with furnace body synchronous cooling, in the cooling process, mostly adopt the water cooling circulation mode, carry out the heat exchange, and the circulating water gets into from the bottom, and the back is discharged from the top, and the cooling water can absorb more heat when nitriding furnace bottom, but along with the rising of temperature, its when nitriding furnace top, the absorbed heat is limited, causes furnace body bottom temperature to cool off earlier than the top, causes the cooling rate inconsistent in the furnace body, influences the nitriding quality of inside work piece.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a nitriding furnace cooling system, adopt hierarchical heat transfer, and the inside heat transfer medium that lets in and can adjust the temperature of every grade of heat transfer, guarantee that the inside cooling rate of furnace body is unanimous, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nitriding furnace cooling system, includes water supply system and the N level heat transfer board that from bottom to top arranges in proper order, N is greater than or equal to 1, the inside spiral water course that sets up of heat transfer board, water supply system includes the main pipe of intaking, the main pipe of drainage and electronic water knockout drum, the water inlet of electronic water knockout drum and the delivery port of spiral water course intercommunication, two delivery ports of electronic water knockout drum communicate respectively with the water inlet of the inside spiral water course of next stage heat transfer board and the main pipe of drainage, and secondary spiral water course water inlet department sets up the three-way valve, three interfaces of three-way valve communicate respectively the water inlet of secondary spiral water course, the delivery port of higher level electronic water knockout drum and the main pipe of intaking, and the inside spiral water course water inlet of first stage heat transfer board directly communicates with the main pipe of intaking, and the inside.
As a preferred technical scheme of the utility model, a pressure pump is connected in series in the water inlet main pipe, and a pressure reducing valve is respectively connected in series between the water inlet of each stage of spiral water channel and the water inlet main pipe;
through setting up the force (forcing) pump, guarantee that spiral water course homoenergetic at different levels obtains coolant, and through setting up the relief pressure valve, guarantee that each helical pipeline's the pressure of intaking is invariable.
As a preferred technical scheme of the utility model, two water outlets of the electric water separator are respectively connected in series with one-way valves which flow outwards;
the stable water flow direction of the electric water separator is ensured, and the problem of heat exchange medium backflow is avoided.
As a preferred technical scheme of the utility model, the heat exchange plate is cylindrical, the inner wall of the heat exchange plate is a ring-shaped array arrangement grid plate, and the grid plate is vertically and fixedly connected with the inner wall of the heat exchange plate;
through set up grid tray in heat transfer board inside, increase heat transfer area promotes heat exchange efficiency.
As a preferred technical scheme of the utility model, the water inlet of the spiral water channel is arranged at the lower end of the heat exchange plate, and the water outlet of the spiral water channel is arranged at the upper end of the heat exchange plate;
the heat exchange medium flows in from the bottom and is discharged from the high position, so that the heat exchange medium can perform sufficient heat exchange with the heat exchange plate.
Compared with the prior art, the beneficial effects of the utility model are that: this nitriding furnace cooling system arranges multistage mutually independent heat transfer board along vertical direction, and set up independent spiral water course in the heat transfer board, the drainage of last one-level spiral water course can regard as the intaking of next stage spiral water course, next stage spiral water course can directly follow the water intaking main pipe water intaking simultaneously, and two kinds of intake proportions are adjustable, thereby adjust the radiating efficiency of each heat transfer board, realize the cooling regulation and control of different regions in the furnace body, can realize the inside synchronous cooling in each region of furnace body, also can realize the inside components of a whole that can function independently cooling in each region of furnace body, be fit for the use of multiple nitriding process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the spiral water channel connection of the present invention;
fig. 3 is a schematic view of the water supply system of the present invention.
In the figure: 1 heat exchange plate, 101 grid plate, 102 spiral water channel, 2 water supply system, 201 water inlet main pipe, 202 water discharge main pipe, 203 pressure pump, 204 electric water separator, 205 three-way valve, 206 pressure reducing valve and 207 one-way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a nitriding furnace cooling system comprises a water supply system 2 and N-level heat exchange plates 1 which are sequentially arranged from bottom to top, wherein N is more than or equal to 1, a spiral water channel 102 is arranged in each heat exchange plate 1, the water supply system 2 comprises a water inlet main pipe 201, a water discharge main pipe 202 and an electric water separator 204, a water inlet of the electric water separator 204 is communicated with a water outlet of the spiral water channel 102, two water outlets of the electric water separator 204 are respectively communicated with a water inlet of the spiral water channel 102 and the water discharge main pipe 202 in the next-level heat exchange plate 1, a water inlet of a secondary spiral water channel 102 is provided with a three-way valve, three interfaces of the three-way valve are, the water outlet of the upper-level electric water separator 204 and the water inlet main pipe 201 are connected, the water inlet of the spiral water channel 102 inside the first-level heat exchange plate 1 is directly communicated with the water inlet main pipe 201, and the water outlet of the spiral water channel 102 inside the Nth-level heat exchange plate 1 is directly communicated with the water drainage main pipe 202.
The inside of the water inlet main pipe 201 is connected with a booster pump 203 in series, and a pressure reducing valve 206 is connected between the water inlet of each stage of spiral water channel 102 and the water inlet main pipe 201 in series respectively;
by arranging the booster pump 203, each stage of the spiral water channel 102 can be ensured to obtain cooling medium, and by arranging the pressure reducing valve 206, the water inlet pressure of each spiral pipeline 102 is ensured to be constant.
Two water outlets of the electric water separator 204 are respectively connected in series with a one-way valve 207 which flows out outwards;
the stable water flow direction of the electric water separator 204 is ensured, and the problem of heat exchange medium backflow is avoided.
The heat exchange plate 1 is cylindrical, grid plates 101 are arranged on the inner wall of the heat exchange plate 1 in an annular array, and the grid plates 101 are vertically and fixedly connected with the inner wall of the heat exchange plate 1;
through set up grid 101 in heat transfer board 1 inside, increase heat transfer area promotes heat exchange efficiency.
A water inlet of the spiral water channel 102 is arranged at the lower end of the heat exchange plate 1, and a water outlet of the spiral water channel 102 is arranged at the upper end of the heat exchange plate 1;
the heat exchange medium flows in from the bottom and is discharged from the high position, so that the heat exchange medium can perform sufficient heat exchange with the heat exchange plate 1.
When in use: the main pipe 201 that will intake communicates with external water source, through the effect of force (forcing) pump 203, with the cooling water pressurization entering main pipe 201 that intakes, transport to heat transfer board 1 at different levels, enter into spiral water channel 102 after decompression valve 206 decompression steady voltage, combine the temperature measurement subassembly that different heat transfer boards 1 correspond the configuration in the furnace body, the temperature of real time monitoring corresponding position, thereby regulate and control electronic water knockout drum 204, change the water-out proportion of two delivery ports, change by the last one-level cooling water who flows to next stage spiral water channel 102, adjust the cooling water initial temperature of next stage spiral water channel 102 water inlet department promptly, thereby change this level of heat transfer board 1's radiating efficiency, realize this heat transfer board 1 corresponds the inside adjustment of cooling rate of furnace body.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a nitriding furnace cooling system, includes water supply system (2) and N level heat transfer board (1) that from bottom to top arranged in proper order, N is greater than or equal to 1, its characterized in that: the heat exchange plate (1) is internally provided with a spiral water channel (102), the water supply system (2) comprises a water inlet main pipe (201), a water discharge main pipe (202) and an electric water separator (204), the water inlet of the electric water separator (204) is communicated with the water outlet of the spiral water channel (102), two water outlets of the electric water separator (204) are respectively communicated with a water inlet of the spiral water channel (102) in the next stage of heat exchange plate (1) and a main water drainage pipe (202), a three-way valve is arranged at a water inlet of the secondary spiral water channel (102), three interfaces of the three-way valve are respectively communicated with a water inlet of the secondary spiral water channel (102), a water outlet of the upper-level electric water separator (204) and a water inlet main pipe (201), a water inlet of the spiral water channel (102) in the first-level heat exchange plate (1) is directly communicated with the water inlet main pipe (201), and a water outlet of the spiral water channel (102) in the Nth-level heat exchange plate (1) is directly communicated with the water drainage main pipe (202).
2. The nitriding furnace cooling system according to claim 1, wherein: the water inlet main pipe (201) is internally connected with a booster pump (203) in series, and a pressure reducing valve (206) is respectively connected between the water inlet of each stage of spiral water channel (102) and the water inlet main pipe (201) in series.
3. The nitriding furnace cooling system according to claim 1, wherein: two water outlets of the electric water separator (204) are respectively connected in series with a one-way valve (207) which flows out outwards.
4. The nitriding furnace cooling system according to claim 1, wherein: the heat exchange plate (1) is cylindrical, grid plates (101) are arranged on the inner wall of the heat exchange plate (1) in an annular array mode, and the grid plates (101) are vertically and fixedly connected with the inner wall of the heat exchange plate (1).
5. The nitriding furnace cooling system according to claim 1, wherein: the water inlet of the spiral water channel (102) is arranged at the lower end of the heat exchange plate (1), and the water outlet of the spiral water channel (102) is arranged at the upper end of the heat exchange plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020907839.4U CN212205676U (en) | 2020-05-26 | 2020-05-26 | Nitriding furnace cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020907839.4U CN212205676U (en) | 2020-05-26 | 2020-05-26 | Nitriding furnace cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212205676U true CN212205676U (en) | 2020-12-22 |
Family
ID=73813347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020907839.4U Expired - Fee Related CN212205676U (en) | 2020-05-26 | 2020-05-26 | Nitriding furnace cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212205676U (en) |
-
2020
- 2020-05-26 CN CN202020907839.4U patent/CN212205676U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |