CN213543284U - High-efficient device that utilizes of waste heat of coal - Google Patents
High-efficient device that utilizes of waste heat of coal Download PDFInfo
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- CN213543284U CN213543284U CN202022355887.XU CN202022355887U CN213543284U CN 213543284 U CN213543284 U CN 213543284U CN 202022355887 U CN202022355887 U CN 202022355887U CN 213543284 U CN213543284 U CN 213543284U
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Abstract
A coal waste heat high-efficiency utilization device comprises a voltage-stabilized power supply, an electric valve, a heat absorption tank, a prompt circuit, a wireless receiving circuit and a wireless transmitting circuit; the heat absorption tank comprises a tank body and a coil pipe, and the coil pipe is arranged in the tank body; the discharge pipe of the first set of electric valves is connected with the feed inlet at the upper end of the tank body, and the feed inlet of the second set of electric valves is connected with the discharge outlet at the lower end of the tank body; the lower end of the tank body is provided with supporting legs; one end of the outer side of the coil pipe is connected with tap water, and the other end of the outer side of the coil pipe is connected with a hot water inlet pipe in a water using area; the stabilized voltage supply, the prompting circuit and the wireless receiving circuit are arranged in the element box and electrically connected with the electric valve. Waste heat in the cinder can effectively be absorbed through the internal coil pipe of jar in this novel application, for the user provides hot water etc. and can conveniently control through wireless non-mode of being close, has brought the convenience for the user from this, and can the effective utilization resource. Based on the above, so this novel application prospect that has.
Description
Technical Field
The utility model relates to a coal waste heat utilization equipment technical field, especially a high-efficient utilization device of waste heat of coal.
Background
In places where coal combustion is needed, such as chemical industry, power plants, cement plants, steel plants and the like, a large amount of burned coal slag is discharged. At present, the coal cinder is usually treated as garbage, the coal cinder still has larger heat when actually discharged, especially in the area where coal is burnt, the coal is burnt insufficiently, so the waste heat in the coal cinder is larger, the coal cinder with the waste heat is directly discharged, and resources are undoubtedly not utilized effectively. Based on the above, it is especially necessary to provide a device capable of effectively utilizing the waste heat of the coal after combustion.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art, do not have the waste heat in the coal after the equipment can effectively utilize the burning, can not make the drawback that the resource obtained effective utilization, this is real novel to provide and can effectively absorb waste heat in the cinder through jar internal coil pipe in using, for the user provides hot water etc. and can conveniently control through wireless non-mode of being close, has brought the convenience for the user from this, and can effectively utilize the waste heat high efficiency utilization device of a coal of resource.
The utility model provides a technical scheme that its technical problem adopted is:
the device for efficiently utilizing the waste heat of the coal comprises a voltage-stabilized power supply and electric valves, and is characterized in that the electric valves are provided with two sets, a heat absorption tank, a prompt circuit, a wireless receiving circuit and a wireless transmitting circuit; the heat absorption tank comprises a tank body and a coil pipe, the coil pipe is arranged in the tank body, and the head end and the tail end of the coil pipe are respectively positioned at the outer side end of the tank body; the upper end and the lower end of the tank body are respectively provided with a feeding hole and a discharging hole, a discharging pipe of the first set of electric valves is connected with the feeding hole at the upper end of the tank body, a feeding bin is arranged at the upper end of the feeding pipe of the first set of electric valves, and the feeding hole of the second set of electric valves is connected with the discharging hole at the lower end of the tank body; the lower end of the tank body is provided with supporting legs; one end of the outer side of the coil pipe is connected with tap water, and the other end of the outer side of the coil pipe is connected with a hot water inlet pipe in a water using area; the stabilized voltage supply, the prompting circuit and the wireless receiving circuit are arranged in the element box; the power output end of the stabilized voltage supply is electrically connected with the power input ends of the wireless receiving circuit and the prompting circuit respectively; and the four power output ends of the wireless receiving circuit are respectively and electrically connected with the positive and negative and positive power input ends of the two sets of electric valves.
Furthermore, a vibration motor is arranged on the outer side of the tank body.
Further, the voltage-stabilized power supply is an alternating current to direct current switching power supply module.
Further, the prompting circuit comprises a power switch, a temperature probe, a buzzer and a relay, wherein the temperature probe is arranged on the outer side of the tank body, the temperature probe is positioned in the tank body, one end of the power switch is electrically connected with one end of the temperature probe, the other end of the temperature probe is electrically connected with the positive power input end of the relay, the normally open contact end of the relay is electrically connected with the positive power input end of the buzzer, the negative power input end of the relay is electrically connected with the negative power input end of the buzzer, and the other end of the power switch is connected with the control power input end of the relay.
Further, the wireless receiving circuit comprises a wireless receiving circuit module, a resistor, an NPN triode and a relay, wherein the wireless receiving circuit module, the resistor, the NPN triode and the relay are connected through a circuit board in a wiring mode; the positive power supply input end of the wireless receiving circuit module is connected with the positive power supply input ends of the four relays, four output ends of the wireless receiving circuit module are respectively connected with one ends of the four resistors, and the other ends of the four resistors are respectively connected with bases of the four NPN triodes; the collector electrodes of the four NPN triodes are respectively connected with the negative power input ends of the four relays, and the negative power input end of the wireless receiving circuit module is connected with the negative control power input end of the four relays and the emitting electrodes of the four NPN triodes.
The utility model has the advantages that: during this novel use, the user can open jar electric valve of body upper end at far position remote control, then directly put into jar internally through grab bucket, electric conveyor belt etc. in workshop with the cinder of burning back, heats the cold water of coil pipe inner loop, provides hot water etc. for the user. After the heat release of the coal cinder is finished, a user opens the electric valve at the lower end of the tank body in a remote control mode, and then the waste cinder after the heat release in the tank body falls out of the tank body and enters a transfer trolley or a conveying belt. Through the circulation, this is novel just can carry out effective utilization to waste heat in the regional burning back cinder of production, for the user provides hot water etc. and can conveniently control through wireless non-mode of being close, has brought the convenience for the user, can effectively utilize the resource. Based on the above, so this novel application prospect that has.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the present invention;
fig. 2 is a circuit diagram of the present invention.
Detailed Description
As shown in fig. 1 and 2, the device for efficiently utilizing the waste heat of coal comprises a voltage-stabilized power supply 1, two sets of electric valves 21 (finished products of electric lump coal discharge valves), a heat absorption tank 3, a prompt circuit 4, a wireless receiving circuit 5 and a wireless transmitting circuit 6; the heat absorption tank 3 comprises a hollow tank body 31 and a coil 32, wherein the upper end and the lower end of the hollow tank body are of a closed structure, the outer side of the serpentine coil 32 is welded in the tank body 31, the height of the coil 32 is 10cm lower than the height of the tank body 31, and the head end and the tail end of the coil 32 are respectively positioned at the upper part and the lower part of the outer end of the right side of the tank body 31 (the contact parts of the outer side of the coil 32 and the upper part and the; the middle parts of the upper end and the lower end of the tank body 31 are respectively welded with a feed inlet 33 and a discharge outlet 34 which are communicated with the inside of the tank body, a discharge pipe of the first set of electric valves 21 is connected with the feed inlet 33 at the upper end of the tank body through a pipeline, a conical feed bin 8 is arranged at the upper end of the feed inlet of the first set of electric valves 21 (the upper end of the feed bin 8 is of an open structure, the outer diameter of the upper end is larger than that of the lower end), and the feed inlet of the second set of electric valves 21 is connected with the discharge outlet at the lower end of the tank body 31 (; four supporting legs 35 are annularly distributed and welded at the lower ends of the left side and the right side of the tank body 31; the outer side of the upper end of the coil pipe 32 is connected with a tap water pipe through a pipeline and a pipeline joint, and the outer side of the lower end of the coil pipe 32 is connected with a hot water inlet pipe of a water using area through a pipeline and a pipeline joint; the stabilized voltage power supply 1, the prompt circuit 4 and the wireless receiving circuit 5 are arranged on a circuit board in the element box 7, the element box 7 is arranged in an electric control box which is arranged at a distance from the tank body, and a wireless transmitting circuit 6 is carried by a user. A vibration motor 9 is installed on the outer side of the front end of the tank body 31 through a screw nut, and a heat insulation layer is wrapped on the outer side end of the tank body 31.
As shown in fig. 1 and 2, the regulated power supply a1 is a finished product of a 220V/12V/100W ac-to-dc switching power supply module, and has two power input terminals 1 and 2 pins, two power output terminals 3 and 4 pins, 5 and 4 pins (sharing a negative electrode), an output power of 3KW, 3 and 4 pins outputting a dc5V power, and 5 and 4 pins outputting a dc 48V power. The prompting circuit comprises a power switch S (41), a temperature probe W, a buzzer B and a relay K4, wherein the temperature probe W is installed on the upper side of the outer left end of the tank body 31 through a screw nut, a temperature sensing head of the temperature probe W is located on the left portion of the inner side of the tank body 31, the power switch S, the relay K4 and the buzzer B are installed in an element box, one end of the power switch S is connected with one end of the temperature probe W through a lead, the other end of the temperature probe W is connected with the anode power input end of the relay K4, the normally open contact end of the relay K4 is connected with the anode power input end of the buzzer B, the cathode power input end of the relay K4 is connected with the cathode power input end of the sounder B, and the other end of the. The wireless transmitting circuit A3 is a finished product of a wireless transmitting circuit module of model ZYO300-1, the wireless transmitting circuit A3 is installed in a plastic box, the wireless transmitting circuit A3 is provided with a battery special for a 12V wireless transmitting circuit, four transmitting keys S1, S2, S3 and S4 of the wireless transmitting circuit are positioned outside four openings at the upper end of the plastic box and are used for pressing the four keys S1, S2, S3 and S4 respectively, and the wireless transmitting circuit module A3 can send four different wireless signals respectively. The wireless receiving circuit comprises a wireless receiving circuit module A2 of model ZYO300-1, resistors R, R1, R2 and R3, NPN triodes Q, Q1, Q2 and Q3, relays K, K1, K2 and K3 which are connected through circuit board wiring; a pin 1 of a positive power supply input end of a wireless receiving circuit module A2 is connected with positive power supply input ends of four relays K, K1, K2 and K3, four output ends 4, 5, 6 and 7 (pins 2 are suspended) of the wireless receiving circuit module A2 are respectively connected with one ends of four resistors R, R1, R2 and R3, and the other ends of the four resistors R, R1, R2 and R3 are respectively connected with bases of four NPN triodes Q, Q1, Q2 and Q3; collectors of four NPN triodes Q, Q1, Q2 and Q3 are respectively connected with negative power input ends of four relays K, K1, K2 and K3, a pin 3 of the negative power input end of the wireless receiving circuit module A2 is connected with negative control power input ends of the four relays K, K1, K2 and K3, and emitters of the four NPN triodes Q, Q1, Q2 and Q3 are connected.
Referring to fig. 1, pins 1 and 2 of a power input end of a regulated power supply a1 and two poles of an alternating current 220V power supply are respectively connected through leads, pins 3 and 4 of a power output end of a regulated power supply a1, pins 1 and 3 of a power input end of a wireless receiving circuit module a2, the other end of a power switch S at the power input end of a prompt circuit, and a power input end of a negative electrode of a relay K4 are respectively connected through leads. The power output end 5 and the pin 4 of the regulated power supply A1 are respectively connected with the positive control power input end and the negative control power input end of the relays K, K1, K2 and K3 through leads. Four normally open contact ends of four paths of power output ends of the wireless receiving circuit, namely four relays K, K1, K2 and K3, and positive and negative and positive power input ends of two sets of electric valves M, M1 are respectively connected through leads.
As shown in fig. 1 and 2, the present invention is preferably installed in a workshop room having a dust processor so that dust generated during work can be effectively removed. After the 220V alternating current power supply enters the pins 1 and 2 of the regulated power supply A1, the pins 3 and 4 of the regulated power supply A1 can output stable 5V direct current power supply to enter the wireless receiving circuit module A2 and the power supply input ends of the prompting circuit, and then the circuit is electrified to be in a working state. Pins 5 and 4 of the regulated power supply A1 output stable 48V power to two control power input terminals of four relays K, K1, K2 and K3. This is novel, the user can open jar electric valve 21 of body 31 upper end in the remote control of far position (the electric valve 21 is closed after the feeding finishes), then the grab bucket in workshop, the cinder after will burning (cinder briquette footpath can not be too big after the burning, can not block up electric valve) such as electric conveyor belt directly puts into jar body 31 through feeding storehouse 8 in, the cold water to coil pipe 32 inner loop heats, for the user provides hot water (after the user opens the hot water valve that uses water region, the running water will get into coil pipe 32 upper end in by the heating, hot water flows from coil pipe 32 lower extreme after the concurrent heating, the hot water valve who opens through the user flows, use such as confession user's hand washing or cleaning equipment. After the heat release of the coal cinder is finished, a user opens the electric valve 21 at the lower end of the tank body in a remote control mode (the electric valve 21 is closed after the material discharge is finished), and then the waste cinder after the heat release in the tank body 31 falls out of the electric valve 21 at the lower end of the tank body 31 and opened by the valve core and enters a transfer trolley or a conveying belt. Through the circulation, the novel waste heat in the coal cinder after the combustion in the production area can be effectively utilized. In this is novel, because jar body outside has vibrating motor 9, advance useless cinder and emit useless cinder and all open the work switch who is located electric control box outside vibrating motor 9, like this, because the vibration effect of vibrating motor 9 (operating voltage 380V, power 2KW), just can effectively make jar body 31 vibration, useless cinder gets into or discharges jar body 31 outside (need advance, close vibrating motor 9's switch when arranging the cinder).
Fig. 1 and 2 show, this novel jar is internal to add behind the cinder of burning, the user opens switch S (operating handle is located outside the trompil of component box front end), then, the anodal temperature switch S that gets into of 5V power (also be temperature detect switch, temperature switch S is the adjustable temperature switch of formula that rises of liquid, adjustment handle is located the jar body externally, internal contact is open structure in usual, internal contact is closed when the temperature-sensing head temperature is higher than the settlement temperature), when the cinder has higher heat in the jar body 31 (for example be higher than 70 ℃), two inside contacts of temperature detect switch W are opened a way, relay K4 can not be electrified so, alarm B also can not electrified phonation. When the temperature of 31 coal cinder in the tank body is low (for example, lower than 70 ℃) after heat release, two contacts in the temperature control switch W are closed, so that the 12V power supply anode enters the relay K4 anode power supply input end through the temperature control switch W, the relay K4 is electrified to attract the control power supply input end and the normally open contact end to be closed, and the buzzer B is electrified to send out a large prompt sound to prompt a user that the coal cinder has no heat; the next batch of waste coal slag can be replaced.
As shown in fig. 1 and 2, when a user needs to open the valve core of the electric valve at the upper end of the tank, the user presses the first key S1 of the portable wireless transmitting circuit a1, so that the wireless transmitting circuit a1 transmits a first wireless closing signal, 4 pins of the wireless receiving circuit module a2 can output a high level after receiving the first wireless closing signal, the high level is reduced in voltage and limited in current by the resistor R and enters the base of the NPN triode Q, the NPN triode Q is connected with the collector to output a low level and enters the negative power input end of the relay K, and then the relay K is powered to attract the control power input end and the normally open output end of the relay K to be closed. Because two control power supply input ends of the relay K are connected with 5 and 4 pins of the voltage-stabilized power supply A2, and the positive and negative pole power supply input ends of the motor reducing mechanism of the electric valve M are connected with two normally-open contact ends of the relay K, the motor reducing mechanism of the electric valve M can be electrified to work the valve core to be slowly opened at the moment. After the electric valve M is opened, a user presses the key S1 once again, the wireless transmitting circuit A1 then transmits a first path of wireless open-circuit signal, the wireless receiving circuit module A2 receives the first path of wireless open-circuit signal and then 4 pins of the wireless receiving circuit module A can stop outputting high level, and then the relay K is not electrified and is not attracted any more, and the motor reducing mechanism of the electric valve M is not electrified and drives the valve core to rotate any more. After the waste residues completely enter the tank body 31, a user presses a second key S2 of the portable wireless transmitting circuit A1, then, the wireless transmitting circuit A1 transmits a second path of wireless closing signals, 5 feet of the wireless receiving circuit module A2 can output high level after receiving the second path of wireless closing signals, the high level is subjected to voltage reduction and current limiting through the resistor R1 and enters the base electrode of the NPN triode Q1, the NPN triode Q1 is conducted with the collector electrode to output low level and enters the negative power input end of the relay K1, and then the relay K1 is electrified to attract the control power input end and the normally open output end of the relay K1 to be closed. Because two control power supply input ends of the relay K1 are connected with 5 and 4 pins of the regulated power supply A2, and the negative and positive pole power supply input ends of the motor speed reducing mechanism of the electric valve M are connected with two normally open contact ends of the relay K1, the motor speed reducing mechanism of the electric valve M can be slowly closed by an electric working valve core at the moment. After the electric valve M1 is closed, the user presses the key S2 again, the wireless transmitting circuit a2 then transmits the second wireless open-circuit signal, and the wireless receiving circuit module a2 receives the second wireless open-circuit signal and then 5 feet thereof stop outputting high level, so that the relay K1 is de-energized and no longer pulls in, and the motor reducing mechanism of the electric valve M is de-energized and no longer drives the valve core to rotate.
As shown in fig. 1 and 2, when a user needs to open a valve core of an electric valve at the lower end of a tank body to discharge waste residues in the tank body 31, the user presses a third key S3 of a portable wireless transmitting circuit a1, so that the wireless transmitting circuit a1 transmits a third wireless closing signal, a pin 6 of a wireless receiving circuit module a2 outputs a high level after receiving the third wireless closing signal, the high level is reduced in voltage and limited in current by a resistor R2 and enters a base of an NPN triode Q2, the NPN triode Q2 is conducted with a collector to output a low level and enters a negative power input end of a relay K2, and then the relay K2 is electrified to attract a control power input end and a normally open output end of the relay K2 to be. Because two control power supply input ends of the relay 2 are connected with the 5 and 4 pins of the regulated power supply A2, and the positive and negative pole power supply input ends of the motor reducing mechanism of the electric valve M1 are connected with the two normally open contact ends of the relay K2, the motor reducing mechanism of the electric valve M2 can be slowly opened by electrifying the working valve core at the moment. After the electric valve M1 is opened, the user presses the key S3 again, the wireless transmitting circuit a1 then transmits a third wireless open-circuit signal, and after the wireless receiving circuit module a2 receives the third wireless open-circuit signal, its 6 feet will stop outputting high level, and then the relay K2 loses power and no longer attracts, and the electric valve M1 loses power and its motor reducing mechanism no longer drives the valve core to rotate. After the waste residues are completely discharged out of the tank body 31, a user presses a fourth key S4 of the portable wireless transmitting circuit A1, then, the wireless transmitting circuit A1 transmits a fourth wireless closing signal, a pin 7 of the wireless receiving circuit module A2 outputs a high level after receiving the fourth wireless closing signal, the high level is subjected to voltage reduction and current limiting through a resistor R3 and enters a base electrode of an NPN triode Q3, the NPN triode Q3 is conducted with a collector and outputs a low level to enter a negative power input end of a relay K3, and then the relay K3 is electrified to attract a control power input end and a normally open output end of the relay K3 to be closed. Because two control power supply input ends of the relay K3 are connected with the 5 and 4 pins of the regulated power supply A2, and the negative and positive pole power supply input ends of the motor speed reducing mechanism of the electric valve M1 are connected with the two normally open contact ends of the relay K3, the motor speed reducing mechanism of the electric valve M1 can be slowly closed by the electric working valve core at the moment. After the electric valve M1 is closed, the user presses the key S4 again, the wireless transmitting circuit a2 then sends out the fourth wireless open-circuit signal, the wireless receiving circuit module a2 stops outputting the high level after receiving the fourth wireless open-circuit signal by its 7 feet, and then the relay K3 loses power and no longer attracts, and the electric valve M1 loses power and its motor reducing mechanism no longer drives the valve core to rotate. Through the aforesaid, during this novel use, the user can open the electric valve of jar body upper end at far position remote control (reduce the influence that the dust brought the user), then through the grab bucket in workshop, this is directly put into jar body 31 with the cinder after burning such as electric conveyor belt, heat coil 32 inner loop's cold water, for user provides hot water etc. when the cinder is exothermic and finishes, the electric valve of jar body lower extreme is opened in the user remote control, then, the waste residue falls out from jar body and gets into on transportation dolly or the conveyer belt in jar body 31 after interior heat release. The novel coal cinder residual heat utilization device can effectively utilize residual heat in the burnt coal cinder in a production area, provides hot water for a user and the like, brings convenience to the user, and can effectively utilize resources. The resistances of the resistors R, R1, R2 and R3 are 1K; the model numbers of the NPN triode Q, Q1, the Q2 and the Q3 are 9013; relays K, K1, K, K3, K4 are DC relays of type DC 5V; the buzzer B is an active continuous audible alarm finished product (model BJ-1) with working voltage of direct current of 5V; the electric valve M, M1 is a finished product (model Q941F-16P) of an electric valve with working voltage of direct current of 48V and with a motor reducing mechanism driving a valve core to rotate, when the electric valve M, M1 works, the motor reducing mechanism driving the valve core to rotate in one direction and open in the other direction, a limit switch is arranged inside the electric valve M, M1, the valve core is closed in place and opened in place respectively, the motor reducing mechanism stops working, and the electric valve works again only by inputting a power supply in the opposite direction.
Having shown and described the fundamental principles and essential features of the invention, and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, the embodiments do not include only one independent technical solution, and such description is only for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims (5)
1. The device for efficiently utilizing the waste heat of the coal comprises a voltage-stabilized power supply and electric valves, and is characterized in that the electric valves are provided with two sets, a heat absorption tank, a prompt circuit, a wireless receiving circuit and a wireless transmitting circuit; the heat absorption tank comprises a tank body and a coil pipe, the coil pipe is arranged in the tank body, and the head end and the tail end of the coil pipe are respectively positioned at the outer side end of the tank body; the upper end and the lower end of the tank body are respectively provided with a feeding hole and a discharging hole, a discharging pipe of the first set of electric valves is connected with the feeding hole at the upper end of the tank body, a feeding bin is arranged at the upper end of the feeding pipe of the first set of electric valves, and the feeding hole of the second set of electric valves is connected with the discharging hole at the lower end of the tank body; the lower end of the tank body is provided with supporting legs; one end of the outer side of the coil pipe is connected with tap water, and the other end of the outer side of the coil pipe is connected with a hot water inlet pipe in a water using area; the stabilized voltage supply, the prompting circuit and the wireless receiving circuit are arranged in the element box; the power output end of the stabilized voltage supply is electrically connected with the power input ends of the wireless receiving circuit and the prompting circuit respectively; and the four power output ends of the wireless receiving circuit are respectively and electrically connected with the positive and negative and positive power input ends of the two sets of electric valves.
2. The device for utilizing the waste heat of the coal with high efficiency as claimed in claim 1, wherein a vibration motor is arranged outside the tank body.
3. The device for utilizing the waste heat of the coal efficiently as claimed in claim 1, wherein the regulated power supply is an AC-DC switching power supply module.
4. The device for utilizing the waste heat of the coal efficiently as claimed in claim 1, wherein the prompting circuit comprises a power switch, a temperature probe, a buzzer and a relay, the temperature probe is mounted on the outer side of the tank body, a temperature sensing head of the temperature probe is located in the tank body, one end of the power switch is electrically connected with one end of the temperature probe, the other end of the temperature probe is electrically connected with a positive power input end of the relay, a normally open contact end of the relay is electrically connected with a positive power input end of the buzzer, a negative power input end of the relay is electrically connected with a negative power input end of the buzzer, and the other end of the power switch is connected with a control power.
5. The device for efficiently utilizing the waste heat of the coal as claimed in claim 1, wherein the wireless receiving circuit comprises a wireless receiving circuit module, a resistor, an NPN triode and a relay, which are connected through a circuit board; the positive power supply input end of the wireless receiving circuit module is connected with the positive power supply input ends of the four relays, four output ends of the wireless receiving circuit module are respectively connected with one ends of the four resistors, and the other ends of the four resistors are respectively connected with bases of the four NPN triodes; the collector electrodes of the four NPN triodes are respectively connected with the negative power input ends of the four relays, and the negative power input end of the wireless receiving circuit module is connected with the negative control power input end of the four relays and the emitting electrodes of the four NPN triodes.
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| CN202022355887.XU CN213543284U (en) | 2020-10-21 | 2020-10-21 | High-efficient device that utilizes of waste heat of coal |
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| CN202022355887.XU CN213543284U (en) | 2020-10-21 | 2020-10-21 | High-efficient device that utilizes of waste heat of coal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566613A (en) * | 2021-07-27 | 2021-10-29 | 海南中庆智和企业管理合伙企业(有限合伙) | Waste heat integrated recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566613A (en) * | 2021-07-27 | 2021-10-29 | 海南中庆智和企业管理合伙企业(有限合伙) | Waste heat integrated recovery device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |