CN216919342U - Heating furnace - Google Patents
Heating furnace Download PDFInfo
- Publication number
- CN216919342U CN216919342U CN202220594694.6U CN202220594694U CN216919342U CN 216919342 U CN216919342 U CN 216919342U CN 202220594694 U CN202220594694 U CN 202220594694U CN 216919342 U CN216919342 U CN 216919342U
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- China
- Prior art keywords
- furnace body
- communicated
- pipe
- gas
- heating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 43
- 238000011084 recovery Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 68
- 238000010791 quenching Methods 0.000 abstract description 16
- 230000000171 quenching effect Effects 0.000 abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 15
- 229910052799 carbon Inorganic materials 0.000 abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 abstract description 14
- 239000001301 oxygen Substances 0.000 abstract description 14
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Furnace Details (AREA)
Abstract
The utility model discloses a heating furnace, which belongs to the technical field of quenching equipment and comprises: furnace body, combustible gas case and gas recovery unit. A heating cavity is formed in the furnace body, and a feeding hole and a discharging hole are formed at two ends of the heating cavity respectively; the combustible gas box is filled with combustible gas which can be burnt in contact with oxygen, the exhaust end of the combustible gas box is provided with a communicating pipe, the communicating pipe is provided with a valve, and one end of the communicating pipe penetrates through the furnace body and is communicated with the heating cavity; the gas recovery device comprises an exhaust pipe, a gas pump, a condenser and a recovery box, wherein the exhaust end of the exhaust pipe is respectively communicated with the side walls of the feed port and the discharge port, the other end of the exhaust pipe is communicated with the gas suction port of the gas pump, the gas outlet of the gas pump is communicated with the input end of the condenser, and the output end of the condenser is communicated with the interior of the recovery box; the utility model can avoid the occurrence of carbon burning phenomenon and avoid the reduction of the carbon content on the surface of the part caused by the oxidation of carbon on the surface of the part.
Description
Technical Field
The utility model relates to the technical field of quenching equipment, in particular to a heating furnace.
Background
The quenching heating furnace is a furnace for heating a workpiece before quenching, the workpiece is placed in the furnace and heated to a quenching temperature above a critical point and is kept for a period of time, then the workpiece is rapidly taken out of the furnace and is put into a quenching liquid for quenching, and therefore the machining equipment with an unbalanced structure mainly comprising martensite is obtained.
Publication No. CN214830497U provides a quenching furnace for steel ball production, which solves the problems that the cooling speed of each part is not uniform and the cooled steel ball is inconvenient to clamp out from a cooling box because the bottom of the steel ball is not contacted with cooling water or cooling liquid; most quenching furnaces are similar to the quenching furnaces in the prior art, workpieces are placed through a feeding hole, and the workpieces are discharged through a discharging pipe, but the temperature in the quenching furnace is high, and carbon on the surface of a part can be oxidized by oxygen in the air, so that the carbon content on the surface of the part is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical defects and provide a heating furnace, which solves the technical problem that the carbon content on the surface of a part is reduced because the carbon on the surface of the part is easily oxidized in the heating furnace in the prior art.
In order to achieve the above technical object, a technical solution of the present invention provides a heating furnace, including:
the furnace body, the furnace body forms a heating chamber inside, heating chamber both ends form a feed inlet and a discharge gate separately;
the combustible gas box is filled with combustible gas capable of being combusted in contact with oxygen, the exhaust end of the combustible gas box is provided with a communicating pipe, the communicating pipe is provided with a valve, and one end of the communicating pipe penetrates through the furnace body and is communicated with the heating cavity;
the gas recovery device comprises an exhaust pipe, a gas pump, a condenser and a recovery box, wherein the exhaust end of the exhaust pipe is communicated with the side walls of the feed inlet and the discharge outlet respectively, the other end of the exhaust pipe is communicated with the suction port of the gas pump, the gas outlet of the gas pump is communicated with the input end of the condenser, and the output end of the condenser is communicated with the inside of the recovery box.
As a further improvement of the utility model, the furnace body comprises an outer box and an inner box, the inner box is embedded in the inner wall of the outer box, and a heat insulation plate is arranged between the outer box and the inner box.
As a further improvement of the utility model, the exhaust pipe consists of a three-way pipe and a connecting pipe, wherein both ends of the three-way pipe penetrate through the furnace body and are respectively communicated with the feed inlet and the discharge outlet of the heating cavity, the other end of the three-way pipe is communicated with one end of the connecting pipe, and the other end of the connecting pipe is connected with the air suction port of the air pump.
As a further improvement of the utility model, alcohol vapor is preferably used as the combustible gas.
As a further improvement of the utility model, protective screens are arranged at the pipe openings of the exhaust pipe and the communicating pipe which are connected with the furnace body.
As a further improvement of the utility model, the exhaust tube and the communicating tube are both fixedly arranged on the inner box, and sealing gaskets are arranged at the joints of the exhaust tube and the communicating tube with the outer box.
As a further improvement of the utility model, a controller is arranged on one side of the condenser, and the valve, the gas pump and the condenser are electrically connected with the controller.
As a further improvement of the utility model, a furnace cover is arranged at the feed inlet of the furnace body in a covering manner.
As a further improvement of the utility model, a sealing plate for plugging the discharge hole is movably inserted at one side of the discharge hole of the furnace body, and one end of the sealing plate protrudes out of the furnace body and is provided with a handle.
As a further improvement of the utility model, the positions corresponding to the sealing plates in the furnace body are all provided with sealing gaskets.
Compared with the prior art, the utility model has the beneficial effects that: through the furnace body and the combustible gas box, the combustible gas in the combustible gas box can enter the heating cavity through the communicating pipe, and the combustible gas is in contact combustion with oxygen in the air at the feed inlet and the discharge outlet of the furnace body so as to remove the oxygen in the furnace body, prevent the carbon on the surface of the part from being oxidized to reduce the carbon content on the surface of the part and avoid the occurrence of carbon burning;
through the gas recovery device who sets up for after the quenching, gas pump accessible exhaust tube will not burn to the end combustible gas take out to the condenser in furnace body feed inlet and discharge gate department, utilize the condenser to turn into liquid with steam, and collect through the collection of collection box and recycle, avoid not burning to the end combustible gas stream to the external world and cause the waste or cause harm.
Drawings
FIG. 1 is a schematic overall perspective view of an embodiment of a furnace according to the present invention;
FIG. 2 is a schematic view of an overall front cross-sectional structure of an embodiment of the furnace of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is an enlarged schematic view of B in fig. 2.
In the figure: 1. a furnace body; 11. an outer box; 12. an inner box; 13. a furnace cover; 14. a sealing plate; 2. a combustible gas tank; 21. a communicating pipe; 22. a valve; 3. a gas recovery device; 31. an air exhaust pipe; 311. a three-way pipe; 312. a connecting pipe; 313. a protective net; 314. a sealing gasket; 32. a gas pump; 33. a condenser; 331. a controller; 34. and (6) a recycling bin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.
As shown in fig. 1, the present invention provides a heating furnace comprising: furnace body 1, combustible gas case 2 and gas recovery unit 3.
A heating cavity is formed in the furnace body 1, and a feeding hole and a discharging hole are formed at two ends of the heating cavity respectively.
The combustible gas that can contact the burning with oxygen is filled to combustible gas case 2 intussuseption, and combustible gas case 2's exhaust end is equipped with a communicating pipe 21, is equipped with valve 22 on the communicating pipe 21, and the one end of communicating pipe 21 passes furnace body 1 and with the heating chamber intercommunication.
The gas recovery device 3 comprises an air suction pipe 31, a gas pump 32, a condenser 33 and a recovery box 34, wherein the air suction end of the air suction pipe 31 is respectively communicated with the side walls of the feeding hole and the discharging hole, the other end of the air suction pipe is communicated with an air suction port of the gas pump 32, the air outlet of the gas pump 32 is communicated with the input end of the condenser 33, and the output end of the condenser 33 is communicated with the inside of the recovery box 34.
In the device, a combustible gas box 2 is communicated with a heater through a communicating pipe 21, the communicating pipe 21 can be opened by using a valve 22, and combustible gas in the combustible gas box 2 enters a heating cavity through the communicating pipe 21, so that the combustible gas can be in contact with oxygen in the air at a feed inlet and a discharge outlet of a furnace body 1 for combustion, and the oxygen in the air is prevented from oxidizing carbon on the surface of a part; after quenching, the gas pump 32 can pump out combustible gas into the condenser 33 at the feed inlet and the discharge outlet of the furnace body 1 through the extraction pipe 31, convert steam into liquid by using the condenser 33, and collect and recycle the liquid through the recovery box 34.
As shown in fig. 1 and 2, the gas extraction pipe 31 is composed of a three-way pipe 311 and a connecting pipe 312, two ends of the three-way pipe 311 penetrate through the furnace body 1 and are respectively communicated with the feed inlet and the discharge outlet of the heating cavity, the other end of the three-way pipe 311 is communicated with one end of the connecting pipe 312, the other end of the connecting pipe 312 is connected to the gas suction port of the gas pump 32, and through the three-way pipe 311 and the connecting pipe 312, the gas suction port of the gas pump 32 is communicated with the feed inlet and the discharge outlet of the heating cavity through the connecting pipe 312 and the three-way pipe 311, so that the gas pump 32 can respectively suck combustible gas at the feed inlet and the discharge outlet of the heating cavity;
the combustible gas preferably adopts alcohol steam, and the alcohol steam is adopted to realize the contact combustion with oxygen in the air at the feed inlet and the discharge outlet of the furnace body 1.
As shown in fig. 2, the furnace body 1 comprises an outer box 11 and an inner box 12, the inner box 12 is embedded in the inner wall of the outer box 11, a heat insulation board is arranged between the outer box 11 and the inner box 12, and the outer box 11 and the inner box 12 are insulated and heat-preserved through the heat insulation board, so that the heat insulation performance of the heating furnace is ensured;
a controller 331 is disposed at one side of the condenser 33, and the valve 22, the gas pump 32 and the condenser 33 are electrically connected to the controller 331, so that the valve 22, the gas pump 32 or the condenser 33 can be opened or closed by the controller 331;
a furnace cover 13 is arranged at the feed inlet of the furnace body 1 in a covering manner, so that the arranged furnace cover 13 is used for sealing the feed inlet of the furnace body 1;
a sealing plate 14 for plugging the discharge hole is movably inserted into one side of the discharge hole of the furnace body 1, one end of the sealing plate 14 protrudes out of the furnace body 1 and is provided with a handle, when the sealing plate 14 is inserted into the furnace body 1, the sealing plate 14 can seal the discharge hole of the furnace body 1 to keep the inside of the furnace body 1 sealed, when the discharge is needed, the sealing plate 14 is drawn out, and parts can be discharged through the discharge hole;
the inside of furnace body 1 all is equipped with sealed the pad with the position department that closing plate 14 corresponds, through the sealed pad that sets up to improve the compactness of closing plate 14 and the junction of furnace body 1.
As shown in fig. 3 and 4, protective nets 313 are respectively arranged at the pipe openings of the extraction pipe 31 and the communicating pipe 21 connected with the furnace body 1, and the protective nets 313 are respectively arranged at the pipe openings of the extraction pipe 31 and the communicating pipe 21 connected with the furnace body 1, so that the protective nets 313 can prevent quenched parts from colliding with the extraction pipe 31 and the communicating pipe 21, the extraction pipe 31 and the communicating pipe 21 are prevented from being damaged, and foreign matters can be prevented from entering the extraction pipe 31 and the communicating pipe 21, so as to prevent the extraction pipe 31 and the communicating pipe 21 from being blocked;
the exhaust tube 31 and the communicating tube 21 are both fixedly arranged on the inner box 12, the connection part of the exhaust tube 31 and the communicating tube 21 with the outer box 11 is provided with a sealing washer 314, the exhaust tube 31 and the communicating tube 21 are both fixedly arranged on the inner box 12, the connection part of the exhaust tube 31 and the communicating tube 21 with the outer box 11 is provided with the sealing washer 314, the exhaust tube 31 and the communicating tube 21 are both fixedly arranged on the inner box 12, the installation stability of the exhaust tube 31 and the communicating tube 21 is improved, and the sealing washer 314 is arranged to ensure the installation tightness of the exhaust tube 31 and the communicating tube 21.
The working principle is as follows: before the use, a worker needs to check whether the combustible gas tank 2 is filled with enough alcohol steam or not, then a workpiece needing quenching is placed into the furnace body 1 through the feed inlet to be quenched, in the quenching process, the valve 22 is opened, the alcohol steam in the combustible gas tank 2 enters the furnace body 1 through the communicating pipe 21 and contacts and burns with oxygen in the furnace body 1 and oxygen in air at the feed inlet and the discharge outlet of the furnace body 1, so that the oxygen in the air is prevented from oxidizing carbon on the surfaces of parts, after the treatment, the valve 22 is closed, meanwhile, the gas pump 32 is used for pumping out the alcohol steam which is not completely combusted at the feed inlet and the discharge outlet of the furnace body 1 through the connecting pipe 312 and the three-way pipe 311, and the alcohol steam is cooled and recovered into the recovery tank 34 through the condenser 33 for recycling.
According to the utility model, by the furnace body 1 and the combustible gas box 2, the combustible gas in the combustible gas box 2 can enter the heating cavity through the communicating pipe 21, and the combustible gas is in contact with oxygen in the air at the feed inlet and the discharge outlet of the furnace body 1 for combustion so as to remove the oxygen in the furnace body 1, prevent carbon on the surface of a part from being oxidized to reduce the carbon content on the surface of the part, and avoid the occurrence of carbon burning;
according to the utility model, through the arranged gas recovery device 3, after quenching, the gas pump 32 can pump unburned combustible gas out of the feed inlet and the discharge outlet of the furnace body 1 to the condenser 33 through the exhaust pipe 31, steam is converted into liquid by the condenser 33, and the liquid is collected and reused by the recovery tank 34, so that waste or harm caused by the unburned combustible gas flowing to the outside are avoided.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A heating furnace is characterized in that: the method comprises the following steps:
the furnace body is internally provided with a heating cavity, and a feeding hole and a discharging hole are formed at two ends of the heating cavity respectively;
the heating chamber is communicated with the heating chamber, and the heating chamber is communicated with the heating chamber through the furnace body;
the gas recovery device comprises an exhaust pipe, a gas pump, a condenser and a recovery box, wherein the exhaust end of the exhaust pipe is communicated with the side walls of the feed inlet and the discharge outlet respectively, the other end of the exhaust pipe is communicated with the suction port of the gas pump, the gas outlet of the gas pump is communicated with the input end of the condenser, and the output end of the condenser is communicated with the inside of the recovery box.
2. The heating furnace according to claim 1, wherein the furnace body comprises an outer box and an inner box, the inner box is embedded in the inner wall of the outer box, and a heat insulation board is arranged between the outer box and the inner box.
3. The heating furnace according to claim 1, wherein the air exhaust pipe comprises a three-way pipe and a connecting pipe, both ends of the three-way pipe penetrate through the furnace body and are respectively communicated with the feed inlet and the discharge outlet of the heating cavity, the other end of the three-way pipe is communicated with one end of the connecting pipe, and the other end of the connecting pipe is connected to an air suction port of the air pump.
4. The heater according to claim 1, wherein said combustible gas is preferably alcohol vapor.
5. The heating furnace according to claim 1, wherein protective screens are arranged at the pipe openings of the air exhaust pipe and the communicating pipe connected with the furnace body.
6. The heating furnace according to claim 2, wherein the exhaust tube and the communicating tube are both fixedly arranged on the inner box, and sealing gaskets are arranged at the joints of the exhaust tube and the communicating tube with the outer box.
7. The heating furnace according to claim 1, wherein a controller is provided at one side of the condenser, and the valve, the gas pump and the condenser are electrically connected to the controller.
8. The heating furnace according to claim 1, wherein the furnace body has a lid covering the inlet.
9. The heating furnace according to claim 1, wherein a sealing plate for sealing the outlet is movably inserted into one side of the outlet of the furnace body, and one end of the sealing plate protrudes out of the furnace body and is provided with a handle.
10. The heating furnace according to claim 9, wherein a sealing gasket is provided in a position corresponding to the sealing plate in the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220594694.6U CN216919342U (en) | 2022-03-16 | 2022-03-16 | Heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220594694.6U CN216919342U (en) | 2022-03-16 | 2022-03-16 | Heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216919342U true CN216919342U (en) | 2022-07-08 |
Family
ID=82226553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220594694.6U Expired - Fee Related CN216919342U (en) | 2022-03-16 | 2022-03-16 | Heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216919342U (en) |
-
2022
- 2022-03-16 CN CN202220594694.6U patent/CN216919342U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220708 |