CN110470146A - A kind of catalyst roaster tail gas waste heat recovery device - Google Patents
A kind of catalyst roaster tail gas waste heat recovery device Download PDFInfo
- Publication number
- CN110470146A CN110470146A CN201910702180.0A CN201910702180A CN110470146A CN 110470146 A CN110470146 A CN 110470146A CN 201910702180 A CN201910702180 A CN 201910702180A CN 110470146 A CN110470146 A CN 110470146A
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- Prior art keywords
- water
- cabinet
- pipe
- solenoid valve
- tail gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- 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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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cookers (AREA)
Abstract
The invention discloses a kind of catalyst roaster tail gas waste heat recovery devices, including pedestal, the top right side of pedestal is provided with cabinet, the inner cavity of cabinet is connected with thermally conductive cylinder, the left bottom of cabinet is provided with outlet pipe, air inlet pipe and water injection pipe are provided at the top of cabinet, third solenoid valve is provided on water injection pipe, the first water level sensor is provided on the right side of the intracavity bottom of cabinet, the second water level sensor is provided on the right side of the inner cavity top of cabinet, water inlet pipe is provided at the top of the right side wall of cabinet, the top left side of pedestal is provided with water pump, the output end of water pump is communicated with drinking-water pipe by conduit, the output end of drinking-water pipe is communicated with drainpipe, the first solenoid valve and second solenoid valve are provided on drainpipe, the bottom of cabinet is provided with temperature detect switch (TDS) and escape pipe, the bottom right of pedestal is provided with aspiration pump, structure of the invention design is closed Reason, convenient for the recycling to waste heat in tail gas, reduces the waste of heat resources and the heat affecting to environment.
Description
Technical field
The present invention relates to catalyst roasting apparatus technical fields, and in particular to a kind of catalyst roaster tail gas waste heat time
It receives and utilizes device.
Background technique
Catalyst is a kind of change reaction rate but does not change the substance for reacting total standard Gibbs free energy, this effect
Referred to as catalytic action, be related to catalyst reaction be known as be catalyzed reaction, waste heat refer to released in production process can be sharp
Thermal energy is primarily referred to as the high-temperature tail gas that production and processing generates, catalyst is in industry in catalyst roaster process
In largely using promote its produce and process industry obtain good development.
At present catalyst is being carried out to generate a large amount of tail gas, and these tails in process of manufacture using roaster
In gas contain very high heat, these heats directly with exhaust emissions into air environment when, not only these heats are formed
Waste also can generate heat affecting to environment, for this purpose, it is proposed that a kind of catalyst roaster tail gas waste heat recovery device.
Summary of the invention
It is an object of the invention to overcome the above-mentioned problems in the prior art, a kind of catalyst roaster tail gas is provided
Waste heat recovery device reduces the waste of heat resources and the hot shadow to environment convenient for the recycling to waste heat in tail gas
It rings.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions:
The bottom left and right sides of a kind of catalyst roaster tail gas waste heat recovery device, including pedestal, the pedestal is symmetrical
It is connected with support socle, the top right side of the pedestal is provided with cabinet, is connected with heat-conducting cylinder at the lumen centers of the cabinet
Body, the inner cavity of the thermally conductive cylinder are equidistantly connected with gear air bound plate, and the inner cavity of the thermally conductive cylinder is separated by gear air bound plate
There is tail gas to reserve room, offers ventilative through hole at the top of the gear air bound plate；
The left side wall bottom of the cabinet is provided with outlet pipe, and air inlet pipe and water injection pipe are provided at the top of the cabinet, described
Air inlet pipe is located at the right side of water injection pipe, and the output end of air inlet pipe is connected with the inner cavity top of thermally conductive cylinder, the water injection pipe
Output end and the input terminal of the outlet pipe be connected with the inner cavity of cabinet, and the water inlet end of water injection pipe passes through conduit and outer
Portion's delivery equipment is connected, and is provided with third solenoid valve on the water injection pipe, and the is provided on the right side of the intracavity bottom of the cabinet
One water level sensor, the inner cavity top right side of the cabinet are provided with the second water level sensor, the right side wall top of the cabinet
It being provided with water inlet pipe, and the output end of water inlet pipe protrudes into the inner cavity upper end of cabinet, the top left side of the pedestal is provided with water pump,
The input terminal of the water pump is connected by conduit with outlet pipe, and the output end of the water pump is communicated with drinking-water pipe by conduit,
The output end of the drinking-water pipe is communicated with drainpipe, and the left side output end of the drainpipe is connected with water inlet pipe, and drainpipe
Right side output end be connected by conduit with extraneous thermal water source's storage pool, the first solenoid valve and the are provided on the drainpipe
Two solenoid valves, and the first solenoid valve and second solenoid valve are located at the left and right sides of drinking-water pipe output end, the bottom of the cabinet
Portion is provided with temperature detect switch (TDS) and escape pipe, and the temperature detect switch (TDS) is located at the left side of escape pipe, and the top induction end of temperature detect switch (TDS)
The intracavity bottom of thermally conductive cylinder is protruded into, the bottom left of the pedestal offers the evacuation matched with temperature detect switch (TDS) and escape pipe
Through-hole is provided with flow control valve on the escape pipe, and the bottom right of the pedestal is provided with aspiration pump, and aspiration pump is defeated
Enter end to be connected by conduit with escape pipe；
The right side wall of the cabinet is provided with control box body, and the inner cavity left side wall of the control box body is provided with processing chip, institute
Stating processing chip, electrically output connects with the first solenoid valve, second solenoid valve, third solenoid valve and aspiration pump respectively, the processing
Electrically input connects chip with the first water level sensor, the second water level sensor and temperature detect switch (TDS) respectively.
Preferably, above-mentioned to be used in catalyst roaster tail gas waste heat recovery device, the bottom of the support socle
It is provided with rubber pad, is acted on by the bradyseism of rubber pad, protective effect can be carried out to support ground.
Preferably, above-mentioned to be used in catalyst roaster tail gas waste heat recovery device, the side wall inner cavity of the cabinet
Filled with aerogel blanket, aerogel blanket has excellent thermal insulation function, reduces and absorbs the heat at the water source of heat in cabinet
Amount is scattered and disappeared.
Preferably, above-mentioned to be used in catalyst roaster tail gas waste heat recovery device, the drinking-water pipe and drainpipe
Outer wall be socketed with muff, heat preservation protection is carried out to drinking-water pipe and drainpipe by muff, reduces water source in drinking-water pipe
With in drainpipe convey when water source in heat scatter and disappear.
Preferably, above-mentioned in catalyst roaster tail gas waste heat recovery device, it the gear air bound plate and breathes freely
The quantity of through-hole is three groups, and the dislocation arrangement from top to bottom on three groups of gear air bound plates respectively of ventilative through hole described in three groups increases
The tail gas that tail gas is distributed from top to bottom in thermally conductive cylinder reserves the time retained in room, improves the absorption to waste heat in tail gas.
Compared with prior art, beneficial effects of the present invention are as follows:
Structure of the invention design is reasonable, and first: by the cooperation of air inlet pipe, escape pipe and aspiration pump, passing through flow control valve tune
Tail gas flow velocity is saved, tail gas is made slowly to flow into and export from top to bottom in thermally conductive cylinder, by gear air bound plate and in gear air bound
The ventilative through hole being dislocatedly distributed on plate improves tail gas residence time in thermally conductive cylinder, better convenient for the heat in tail gas
It is transmitted into heat absorption water source；
Second: heat absorption water source being stored by cabinet, and passes through water pump, drinking-water pipe, water inlet pipe, the first solenoid valve and second solenoid valve
Cooperation, make absorb heat water source circulated in cabinet, convenient for heat absorption the more uniform heat in tail gas in water source inhale
It receives, consequently facilitating the recycling to waste heat in tail gas, reduces the waste of heat resources and the heat affecting to environment.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is using state structure diagram of the invention；
Fig. 2 is control system functional block diagram of the invention；
In attached drawing, parts list represented by the reference numerals are as follows:
1- pedestal, 2- support socle, 3- evacuation through-hole, 4- temperature detect switch (TDS), 5- escape pipe, 6- flow control valve, 7- cabinet, 8- are led
Hot cylinder, 9- keep off air bound plate, and 10- tail gas reserves room, 11- ventilative through hole, 12- outlet pipe, 13- air inlet pipe, 14- water injection pipe, 15-
Third solenoid valve, the first water level sensor of 16-, 17- processing chip, the second water level sensor of 18-, 19- water inlet pipe, 20- water pump,
21- drinking-water pipe, 22- drainpipe, the first solenoid valve of 23-, 24- second solenoid valve, 25- aspiration pump, 26- control box body.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-2, a kind of catalyst roaster tail gas waste heat recovery device, including pedestal 1, pedestal 1
Bottom at left and right sides of be symmetrically connected with support socle 2, the bottom of support socle 2 is provided with rubber pad, passes through the slow of rubber pad
Shake effect can carry out protective effect to support ground, and the top right side of pedestal 1 is provided with cabinet 7, the side wall inner cavity of cabinet 7
Filled with aerogel blanket, aerogel blanket has excellent thermal insulation function, reduces and absorbs the heat at the water source of heat in cabinet 7
Amount is scattered and disappeared, and thermally conductive cylinder 8 is connected at the lumen centers of cabinet 7, and the inner cavity of thermally conductive cylinder 8 is equidistantly connected with gear air bound plate
9, the inner cavity of thermally conductive cylinder 8 has tail gas to reserve room 10 by the gear separation of air bound plate 9, and the top of gear air bound plate 9 offers ventilative logical
Hole 11, the quantity for keeping off air bound plate 9 and ventilative through hole 11 is three groups, and three groups of ventilative through holes 11 are respectively on three groups of gear air bound plates 9
Dislocation arrangement from top to bottom increases the tail gas that tail gas is distributed from top to bottom in thermally conductive cylinder 8 and reserves the time retained in room 10,
The absorption to waste heat in tail gas is improved, the left side wall bottom of cabinet 7 is provided with outlet pipe 12, and the top of cabinet 7 is provided with air inlet
Pipe 13 and water injection pipe 14, air inlet pipe 13 are located at the right side of water injection pipe 14, and the inner cavity of the output end of air inlet pipe 13 and thermally conductive cylinder 8
Top is connected, and the output end of water injection pipe 14 and the input terminal of outlet pipe 12 are connected with the inner cavity of cabinet 7, and water injection pipe 14
Water inlet end be connected by conduit with external delivery equipment, third solenoid valve 15, the inner cavity of cabinet 7 are provided on water injection pipe 14
Bottom right is provided with the first water level sensor 16, is provided with the second water level sensor 18, cabinet on the right side of the inner cavity top of cabinet 7
It is provided with water inlet pipe 19 at the top of 7 right side wall, and the output end of water inlet pipe 19 protrudes into the inner cavity upper end of cabinet 7, the top of pedestal 1
Left side is provided with water pump 20, and the input terminal of water pump 20 is connected by conduit with outlet pipe 12, and the output end of water pump 20 is by leading
Pipe is communicated with drinking-water pipe 21, and the output end of drinking-water pipe 21 is communicated with drainpipe 22, the left side output end and water inlet pipe of drainpipe 22
19 are connected, and the right side output end of drainpipe 22 is connected by conduit with extraneous thermal water source's storage pool, drinking-water pipe 21 and row
The outer wall of water pipe 22 is socketed with muff, carries out heat preservation protection to drinking-water pipe 21 and drainpipe 22 by muff, reduces water
When source conveys in drinking-water pipe 21 and drainpipe 22 in water source heat scatter and disappear, 23 He of the first solenoid valve is provided on drainpipe 22
Second solenoid valve 24, and the first solenoid valve 23 and second solenoid valve 24 are located at the left and right sides of 21 output end of drinking-water pipe, case
The bottom of body 7 is provided with temperature detect switch (TDS) 4 and escape pipe 5, and temperature detect switch (TDS) 4 is located at the left side of escape pipe 5, and the top of temperature detect switch (TDS) 4
Portion's induction end protrudes into the intracavity bottom of thermally conductive cylinder 8, and the bottom left of pedestal 1 offers and temperature detect switch (TDS) 4 and the matching of escape pipe 5
The evacuation through-hole 3 of conjunction is provided with flow control valve 6 on escape pipe 5, and the bottom right of pedestal 1 is provided with aspiration pump 25, and is evacuated
The input terminal of pump 25 is connected by conduit with escape pipe 5, and the right side wall of cabinet 7 is provided with control box body 26, controls box body 26
Inner cavity left side wall be provided with processing chip 17, processing chip 17 respectively with the first solenoid valve 23, second solenoid valve 24, third electricity
Magnet valve 15 and the electrically output connection of aspiration pump 25, processing chip 17 respectively with the first water level sensor 16, the second water level sensor
18 and the electrically input connection of temperature detect switch (TDS) 4.
One concrete application of the present embodiment are as follows: structure of the invention design is reasonable, by opening third solenoid valve 15, by outer
Boundary's delivery equipment fills heat absorption water source into cabinet 7 by water injection pipe 14, closes third solenoid valve 15 and second solenoid valve 24, beats
The first solenoid valve 23 is opened, water pump 20 and aspiration pump 25 are started, it is by water pump 20 that the heat absorption water source in cabinet 7 is defeated by outlet pipe 12
It is sent in drinking-water pipe 21, is transported in drainpipe 22 by the water source that will absorb heat of drinking-water pipe 21, will be absorbed heat water source by drainpipe 22
It is transported in water inlet pipe 19, heat absorption water source is returned in cabinet 7 by water inlet pipe 19, recycles heat absorption water source in cabinet 7
Flowing absorbs convenient for the heat absorption more uniform heat in tail gas in water source, makes to produce in thermally conductive cylinder 8 by aspiration pump 25
Raw negative pressure, is conveyed tail gas into thermally conductive cylinder 8 by air inlet pipe 13, is adjusted tail gas flow velocity by flow control valve 6, is made tail gas
It slowly flows into from air inlet pipe 13 in thermally conductive cylinder 8 and is exported from escape pipe 5 from top to bottom, by gear air bound plate 9 and kept off
The ventilative through hole 11 being dislocatedly distributed on air bound plate 9 improves tail gas when the tail gas in thermally conductive cylinder 8 is reserved and stopped in room 10
Between, it preferably transmits into heat absorption water source convenient for the heat in tail gas, is incuded in thermally conductive cylinder 8 by temperature detect switch (TDS) 4 to outlet
The temperature of the tail gas conveyed at pipe 5, when temperature exceeds the room temperature temperature value that temperature detect switch (TDS) 4 is set, temperature detect switch (TDS) 4 conveys signal
Into processing chip 17, processing chip 17 can be programmed control, control aspiration pump 25 by processing chip 17 and stop working,
The first solenoid valve 23 is controlled by processing chip 17 simultaneously and closes and open second solenoid valve 24, it will be in cabinet 7 by water pump 20
The water source for absorbing heat is transported in extraneous thermal water source's storage pool from the discharge of drainpipe 22 to be stored, convenient for thermal water resource
Use, when water level value of the water level in cabinet 7 lower than the setting of the first water level sensor 16, the first water level sensor 16 will letter
It number is transported in processing chip 17, controlling second solenoid valve 24 by crossing processing chip 17 closes, and opens the first solenoid valve 23
With third solenoid valve 15, so that water injection pipe 14 is connected with extraneous delivery equipment, heat absorption water source is refilled into cabinet 7, works as case
When water level in body 7 is higher than the water level value of the second water level sensor 18 setting, the second water level sensor 18 conveys signal everywhere
It manages in chip 17, processing chip 17 controls third solenoid valve 15 and closes, and controls aspiration pump 25 and open work, continues the water source that absorbs heat
Absorption to waste heat in tail gas, consequently facilitating the recycling to waste heat in tail gas, reduces the waste of heat resources and to environment
Heat affecting.
Electric appliance model in above table is only two kinds of the Scheme Choice that the present embodiment can be used, other to meet this reality
The electric elements of a requirement are applied, and aspiration pump, the first solenoid valve, second solenoid valve, third solenoid valve and water pump are equal
It is provided with the control switch to match with it, and aspiration pump, the first solenoid valve, second solenoid valve, third solenoid valve and water pump point
The control switch and extraneous power supply that Tong Guo do not match are electrically connected, and the installation site of control switch can be according to actual use
It is selected.
The first water level sensor, the second water level sensor, temperature detect switch (TDS) and processing chip in above-described embodiment are ability
Mature technology field known to field technique personnel only carries out it using not being changed to its structure and function.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (5)
1. a kind of catalyst roaster tail gas waste heat recovery device, including pedestal (1), it is characterised in that: the pedestal (1)
Bottom at left and right sides of be symmetrically connected with support socle (2), the top right side of the pedestal (1) is provided with cabinet (7), the case
It is connected at the lumen centers of body (7) thermally conductive cylinder (8), the inner cavity of the thermally conductive cylinder (8) is equidistantly connected with gear air bound plate
(9), the inner cavity of the thermally conductive cylinder (8) is separated by gear air bound plate (9) has tail gas to reserve room (10), the gear air bound plate (9)
Top offer ventilative through hole (11)；
The left side wall bottom of the cabinet (7) is provided with outlet pipe (12), is provided with air inlet pipe (13) at the top of the cabinet (7)
With water injection pipe (14), the air inlet pipe (13) is located at the right side of water injection pipe (14), and the output end and heat-conducting cylinder of air inlet pipe (13)
The inner cavity top of body (8) is connected, and the input terminal of the output end of the water injection pipe (14) and the outlet pipe (12) is and cabinet
(7) inner cavity is connected, and the water inlet end of water injection pipe (14) is connected by conduit with external delivery equipment, the water injection pipe
(14) it is provided on third solenoid valve (15), is provided with the first water level sensor (16) on the right side of the intracavity bottom of the cabinet (7),
It is provided with the second water level sensor (18) on the right side of the inner cavity top of the cabinet (7), setting at the top of the right side wall of the cabinet (7)
Have water inlet pipe (19), and the output end of water inlet pipe (19) protrudes into the inner cavity upper end of cabinet (7), the top left side of the pedestal (1)
It is provided with water pump (20), the input terminal of the water pump (20) is connected by conduit with outlet pipe (12), the water pump (20)
Output end is communicated with drinking-water pipe (21) by conduit, and the output end of the drinking-water pipe (21) is communicated with drainpipe (22), the row
The left side output end of water pipe (22) is connected with water inlet pipe (19), and the right side output end of drainpipe (22) passes through conduit and the external world
Thermal water source's storage pool is connected, and the first solenoid valve (23) and second solenoid valve (24), and are provided on the drainpipe (22)
One solenoid valve (23) and second solenoid valve (24) are located at the left and right sides of drinking-water pipe (21) output end, the cabinet (7)
Bottom is provided with temperature detect switch (TDS) (4) and escape pipe (5), and the temperature detect switch (TDS) (4) is located at the left side of escape pipe (5), and temperature control is opened
The top induction end for closing (4) protrudes into the intracavity bottom of thermally conductive cylinder (8), and the bottom left of the pedestal (1) offers and temperature control
Switch (4) and the evacuation through-hole (3) that matches of escape pipe (5) are provided with flow control valve (6) on the escape pipe (5), described
The bottom right of pedestal (1) is provided with aspiration pump (25), and the input terminal of aspiration pump (25) is connected by conduit with escape pipe (5)
It is logical；
The right side wall of the cabinet (7) is provided with control box body (26), and the inner cavity left side wall of control box body (26) is provided with
Handle chip (17), the processing chip (17) respectively with the first solenoid valve (23), second solenoid valve (24), third solenoid valve
(15) with aspiration pump (25) electrically output connection, the processing chip (17) respectively with the first water level sensor (16), the second water
Level sensor (18) and temperature detect switch (TDS) (4) electrically input connection.
2. a kind of catalyst roaster tail gas waste heat recovery device according to claim 1, it is characterised in that: described
The bottom of support socle (2) is provided with rubber pad.
3. a kind of catalyst roaster tail gas waste heat recovery device according to claim 1, it is characterised in that: described
The side wall lumen loading of cabinet (7) has aerogel blanket.
4. a kind of catalyst roaster tail gas waste heat recovery device according to claim 1, it is characterised in that: described
The outer wall of drinking-water pipe (21) and drainpipe (22) is socketed with muff.
5. a kind of catalyst roaster tail gas waste heat recovery device according to claim 1, it is characterised in that: described
The quantity for keeping off air bound plate (9) and ventilative through hole (11) is three groups, and ventilative through hole described in three groups (11) is respectively in three groups of gear air bounds
Dislocation arrangement from top to bottom on plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910702180.0A CN110470146A (en) | 2019-07-31 | 2019-07-31 | A kind of catalyst roaster tail gas waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910702180.0A CN110470146A (en) | 2019-07-31 | 2019-07-31 | A kind of catalyst roaster tail gas waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110470146A true CN110470146A (en) | 2019-11-19 |
Family
ID=68508439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910702180.0A Pending CN110470146A (en) | 2019-07-31 | 2019-07-31 | A kind of catalyst roaster tail gas waste heat recovery device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110470146A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597379A (en) * | 2022-12-16 | 2023-01-13 | 河北炫坤耐火材料科技发展有限公司（Cn） | Intelligent temperature control device for baking silica bricks |
-
2019
- 2019-07-31 CN CN201910702180.0A patent/CN110470146A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597379A (en) * | 2022-12-16 | 2023-01-13 | 河北炫坤耐火材料科技发展有限公司（Cn） | Intelligent temperature control device for baking silica bricks |
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Application publication date: 20191119 |
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| WD01 | Invention patent application deemed withdrawn after publication |