CN210314400U

CN210314400U - Cooling circulation system of non-oxidation furnace

Info

Publication number: CN210314400U
Application number: CN201921084487.0U
Authority: CN
Inventors: 宋修玉; 张永清; 贺迷秋
Original assignee: Guangzhou Shengxu Auto Parts Co ltd
Current assignee: Guangzhou Shengxu Auto Parts Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-14
Anticipated expiration: 2029-07-11

Abstract

The utility model belongs to the technical field of the cooling arrangement technique and specifically relates to no oxidation furnace cooling circulation system, it includes no oxidation furnace body, preheating cabinet and cooling water circulation equipment, the preheating cabinet includes box and division board, the utility model discloses a will advance hot water injection division board that heat up after the heat exchange in, the hot water in the division board preheats the steel pipe with division board contact to retrieve the heat of hot water, reduce hot water cooling's time, improve the efficiency of cooling water circulation, and preheat the steel pipe, can reduce the time of heating, improve the efficiency of thermal treatment, reduction in production cost; the steel pipe is put into from the top of box and is placed the intracavity to neatly arrange, on the steel pipe after preheating and accomplishing falls the deflector through rectangle through-hole, and fall into loading attachment through the deflector and carry out the material loading, arrange the steel pipe in order when preheating, the material loading of being convenient for.

Description

Cooling circulation system of non-oxidation furnace

Technical Field

The utility model belongs to the technical field of cooling arrangement technique and specifically relates to no oxidation furnace cooling circulation system.

Background

The non-oxidation heating furnace is provided with a heating furnace which is provided with an inert protective atmosphere in a furnace cavity and can ensure that a blank or a forging piece is not oxidized in the heating process, the non-oxidation heating furnace can be used for the heat treatment of a stainless steel pipe, the stainless steel pipe is heated to a certain temperature and is kept warm for a period of time, then the stainless steel pipe is slowly cooled, namely annealed, the degradation temperature of the steel is a heat treatment method that the steel is heated to the temperature of phase change or partial phase change, and the steel is slowly cooled after the heat preservation, so as to eliminate the structural defects, improve the mechanical property of the steel, reduce the residual stress, reduce the hardness, improve the shaping and the toughness, improve the cutting processability, and ensure the normal operation of the non-oxidation furnace, the non-oxidation furnace needs to be cooled by circulating cooling water, but the existing cooling circulation system directly and mostly directly cools hot water after heat, causing a large amount of heat loss and increasing the production cost.

Disclosure of Invention

To the deficiency of the prior art, the utility model provides a no oxidation furnace cooling circulation system which recovers the waste heat and reduces the heat loss.

The technical scheme of the utility model is that: the cooling circulation system of the non-oxidation furnace is characterized in that: it includes non-oxidation furnace body, preheating cabinet and cooling water circulating equipment, the preheating cabinet includes box and division board, the box is "concave" style of calligraphy, the box is the vertical a plurality of division boards that are provided with in inside sunken cavity, the division board separates into a plurality of chambeies of placing in with the box, the aluminum plate that is provided with the cavity in the division board, the left bottom of division board is provided with first water inlet, first water inlet is connected with the first delivery port that sets up on non-oxidation furnace body bottom right side through first connecting pipe, the bottom on division board right side is provided with the drain pipe, the top of drain pipe is provided with the second delivery port, the second delivery port is connected through the end of intaking of second connecting pipe and cooling water circulating equipment.

Furthermore, a rectangular through hole is formed in the bottom of the box body and in a position corresponding to the placing cavity, the width of the rectangular hole is 1-3cm larger than the diameter of the steel pipe, the rectangular through hole is limited to only one steel pipe to pass through, a baffle capable of being taken out from the side edge of the box body is arranged at the position of the rectangular through hole, a rubber pad is arranged on the top surface of the baffle, a guide plate is arranged on one side of the rectangular through hole in an inclined mode, the guide plate is detachably mounted at the bottom of the box body through a support, and a feeding device is arranged below the.

Further, the first connecting pipe is a heat preservation pipe.

Furthermore, the side of division board and the inner wall contact of box is provided with high temperature resistant thermal-insulated cotton, the periphery coating of division board has the one deck elastic coating, prevents with the steel pipe striking.

Furthermore, water pumps are arranged on the first connecting pipe, the second connecting pipe and the water discharging pipe.

Further, the cooling water circulation apparatus includes: cooling trough, cooling pump, circulative cooling tower and delivery pump, the cooling trough comprises hot-water tank and cold water tank, the height in cold water tank is higher than the hot-water tank, the second connecting pipe is connected with the end of intaking in hot-water tank, the play water end in hot-water tank is connected with the end of intaking of cooling pump through hot-water line, the play water end of cooling pump is connected with the end of intaking of circulative cooling tower through the pipeline, the play water end of circulative cooling tower is connected with the end of intaking in cold water tank through the heat preservation pipeline, the play water end of cold water tank is connected with the end of intaking of delivery pump through the pipeline, the play water end of delivery pump is connected with the second water inlet through the pipeline.

Furthermore, the water inlet end of the hot water tank is also connected with a water inlet pipe, and the water inlet pipe is connected with municipal water.

Furthermore, the hot water pipeline is provided with an opening connected with a dosing pipe, and the dosing pipe is connected with a dosing device.

The utility model discloses a theory of operation: cooling water in the cold water tank is conveyed to the non-oxidation furnace body through a conveying pump to cool the non-oxidation furnace body, the cooling water absorbs heat and is heated to form hot water, the hot water is conveyed into the partition plate through the first connecting pipe, enters from the bottom of the partition plate, then rises to the top and flows back into the hot water tank through the second connecting pipe, the hot water in the partition plate preheats the steel pipe in contact with the partition plate, the preheated steel pipe enters the non-oxidation furnace body through the feeding device to be subjected to heat treatment, the hot water flowing back to the hot water tank enters the circulating cooling tower through the cooling pump to be cooled, and the cooled water enters the cold water tank through the heat insulation pipeline, so that the whole cooling water circulation is completed; the cooling water is required to be regularly added with chemicals to remove impurities during circulation, so that scaling and bacterium breeding are prevented.

The utility model has the advantages that: the utility model discloses a to advance hot water injection division board that heat up after the heat exchange in, the hot water in the division board preheats the steel pipe with the division board contact, the rectangle through-hole of the steel pipe accessible bottom half after preheating falls into loading attachment to get into the non-oxidation furnace body through loading attachment and carry out heat treatment, thereby retrieve the heat of hot water, reduce the hot water cooling time, improve the efficiency of cooling water circulation, and preheat the steel pipe, can reduce the time of heating, improve the efficiency of heat treatment, reduce manufacturing cost; the steel pipe is put into from the top of box and is placed the intracavity to neatly arrange, the steel pipe after preheating the completion falls on the deflector through the rectangle through-hole that sets up at the bottom half, and falls into loading attachment through the deflector and carries out the material loading, arranges the steel pipe in order when preheating, the material loading of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the preheat chamber;

FIG. 3 is a right side view of the preheating chamber

Fig. 4 is a flow chart of a water circulating apparatus.

In the figure, 1, an oxidation-free furnace body; 2. a preheating box; 3. cooling water circulation equipment; 4. a placement chamber; 5. a first water inlet; 6. a first connecting pipe; 7. a second water outlet; 8. a drain pipe; 9. a second connecting pipe; 10. a baffle plate; 11. a guide plate; 12. a water pump; 13. a steel pipe; 201. a box body; 202. a partition plate; 301. a cooling water tank; 302. a cooling pump; 303. a circulating cooling tower; 304. a delivery pump; 3011. a hot water tank; 3012. a cold water tank.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1-4, the cooling circulation system of the non-oxidation furnace is characterized in that: it includes non-oxidation furnace body 1, preheating cabinet 2 and cooling water circulating equipment 3, preheating cabinet 2 includes box 201 and division board 202, box 201 is "concave" style of calligraphy, box 201 is the vertical five division boards 202 that are provided with in the inside sunken cavity of cavity, division board 202 separates into four in with box 201 and places chamber 4, division board 202 is the aluminum plate that is provided with the cavity in, division board 202's left bottom is provided with first water inlet 5, first water inlet 5 is connected at the first delivery port on non-oxidation furnace body 1 bottom right side through first connecting pipe 6 and setting, the bottom on division board 202 right side is provided with drain pipe 8, drain pipe 8's top is provided with second delivery port 7, second delivery port 7 is connected through the intake end of second connecting pipe 9 with cooling water circulating equipment 3.

The bottom of box 201 is provided with the rectangle through-hole on the corresponding position in chamber 4 with placing, the width in rectangle hole is 2cm more than the diameter of steel pipe 13, and it only passes through to be limited to a steel pipe 13, rectangle through-hole department is provided with the baffle 10 that can follow the side of box 201 and take out, the top surface of baffle 10 is provided with the rubber pad, the lopsidedness of rectangle through-hole is provided with deflector 11, deflector 11 passes through the detachable bottom of installing at box 201 of support, deflector 11's below is provided with loading attachment.

The first connecting pipe 6 is a heat preservation pipe.

The side of the partition plate 202 contacting the inner wall of the box 201 is provided with high temperature resistant heat insulation cotton, and the periphery of the partition plate 202 is coated with a layer of elastic coating to prevent collision with the steel pipe 13.

And the first connecting pipe 6, the second connecting pipe 9 and the water discharging pipe 8 are all provided with a water pump 12.

The cooling water circulation device 3 includes: the cooling water tank 301 comprises a hot water tank 3011 and a cold water tank 3012, the cold water tank 3012 is higher than the hot water tank 3011, the second connecting pipe 9 is connected with the water inlet end of the hot water tank 3011, the water outlet end of the hot water tank 3011 is connected with the water inlet end of the cooling pump 302 through a hot water pipe, the water outlet end of the cooling pump 302 is connected with the water inlet end of the circulating cooling tower 303 through a pipeline, the water outlet end of the circulating cooling tower 303 is connected with the water inlet end of the cold water tank 3012 through a heat insulation pipe, the water outlet end of the cold water tank 3012 is connected with the water inlet end of the conveying pump 304 through a pipeline, and the water outlet end of the conveying pump 304 is connected with the second water inlet through a pipeline.

The water inlet end of the hot water tank 3011 is also connected with a water inlet pipe, and the water inlet pipe is connected with municipal water.

The hot water pipeline is provided with a hole to be connected with a dosing pipe, and the dosing pipe is connected with a dosing device.

The non-oxidation furnace body in the embodiment adopts a non-oxidation gas type forging heating furnace disclosed in Chinese patent, application number: 201720927931.5.

the circulating water cooling equipment in this embodiment is 85TPH cooling water equipment manufactured by environmental protection gmbh of the wu-seiko (suzhou).

The feeding device in the embodiment adopts a pipe blanking translation mechanism disclosed in the Chinese patent, and the application number is as follows: 201820971349.3.

the heat preservation pipe in the embodiment adopts a pvc heat preservation pipe produced by Bao Wen energy-saving science and technology limited of Dongguan city.

The elastic coating in the embodiment adopts a high-temperature resistant RVA modified resin coating produced by Shenzhen Jitian chemical industry Limited, and the coating has good wear resistance.

The dosing device in the embodiment is a circulating cooling water dosing device produced by Weifang Zhongcheng environmental protection equipment Limited company.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. The cooling circulation system of the non-oxidation furnace is characterized in that: the device comprises a non-oxidation furnace body (1), a preheating box (2) and cooling water circulation equipment (3), wherein the preheating box (2) comprises a box body (201) and partition plates (202), the box body (201) is concave, a plurality of partition plates (202) are vertically arranged in an inwards-sunken cavity of the box body (201), the partition plates (202) divide the box body (201) into a plurality of placing cavities (4), the partition plates (202) are aluminum plates with cavities arranged inside, a first water inlet (5) is arranged at the left bottom of each partition plate (202), the first water inlet (5) is connected with a first water outlet arranged on the right side of the bottom of the non-oxidation furnace body (1) through a first connecting pipe (6), a water drainage pipe (8) is arranged at the bottom on the right side of each partition plate (202), a second water outlet (7) is arranged above each water drainage pipe (8), and the second water outlet (7) is connected with the water inlet end of the cooling water circulating equipment (3) through a second connecting pipe (9).

2. The cooling circulation system of the non-oxidation furnace according to claim 1, wherein: the steel pipe box is characterized in that a rectangular through hole is formed in the position, corresponding to the placement cavity (4), of the bottom of the box body (201), the width of the rectangular through hole is 1-3cm larger than the diameter of the steel pipe (13), a baffle (10) which can be drawn out from the side edge of the box body (201) is arranged at the position of the rectangular through hole, a rubber pad is arranged on the top surface of the baffle (10), a guide plate (11) is arranged on one side of the rectangular through hole in a tilted mode, the guide plate (11) is detachably mounted at the bottom of the box body (201) through a support, and a feeding device is arranged below the guide plate (.

3. The cooling circulation system of the non-oxidation furnace according to claim 2, wherein: the first connecting pipe (6) is a heat preservation pipe.

4. The cooling circulation system of the non-oxidation furnace according to claim 3, wherein: the side of the partition plate (202) contacting with the inner wall of the box body (201) is provided with high-temperature-resistant heat-insulating cotton, and the periphery of the partition plate (202) is coated with a layer of elastic coating.

5. The cooling circulation system of the non-oxidation furnace according to claim 4, wherein: and the first connecting pipe (6), the second connecting pipe (9) and the drain pipe (8) are all provided with a water pump (12).

6. The cooling circulation system of the non-oxidation furnace according to claim 5, wherein: the cooling water circulation device (3) includes: the cooling water tank (301), the cooling pump (302), the circulating cooling tower (303) and the delivery pump (304), the cooling water tank (301) comprises a hot water tank (3011) and a cold water tank (3012), the height of cold water tank (3012) is higher than that of hot water tank (3011), second connecting pipe (9) is connected with the end of intaking of hot water tank (3011), the end of exhalant of hot water tank (3011) is connected with the end of intaking of cooling pump (302) through hot water pipeline, the end of exhalant of cooling pump (302) is connected with the end of intaking of circulating cooling tower (303) through the pipeline, the end of exhalant of circulating cooling tower (303) is connected with the end of intaking of cold water tank (3012) through the heat preservation pipeline, the end of exhalant of cold water tank (3012) is connected with the end of intaking of delivery pump (304) through the pipeline, the end of exhalant of delivery pump (304) is connected with the second water inlet through the pipeline.

7. The cooling circulation system of the non-oxidation furnace according to claim 6, wherein: the water inlet end of the hot water tank (3011) is also connected with a water inlet pipe.

8. The cooling circulation system of the non-oxidation furnace according to claim 7, wherein: the hot water pipeline is provided with a hole to be connected with a dosing pipe, and the dosing pipe is connected with a dosing device.