CN212152460U - High-efficient electric heater of electrolysis trough extrinsic cycle and heating system thereof - Google Patents
High-efficient electric heater of electrolysis trough extrinsic cycle and heating system thereof Download PDFInfo
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- CN212152460U CN212152460U CN202020586151.0U CN202020586151U CN212152460U CN 212152460 U CN212152460 U CN 212152460U CN 202020586151 U CN202020586151 U CN 202020586151U CN 212152460 U CN212152460 U CN 212152460U
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Abstract
The invention relates to the technical field of a hot water medium electric heater and a heating system thereof used in cooperation with electrolytic bath heating in the hydrometallurgy industry, and discloses an electrolytic bath external circulation high-efficiency electric heater and a heating system thereof. The electric heater and the heating system thereof comprise a first hot water tank and a second hot water tank which are arranged on an equipment support, and a variable frequency water pump and an electrolytic cell group which are arranged on the right outer side of the equipment support, wherein the first hot water tank, the second hot water tank, the variable frequency water pump and the electrolytic cell group are connected into a complete external circulation heating system for water heating-electrolytic cell group heat exchange. The raw water and the backwater after the heat exchange of the electrolytic cell group are firstly heated in the first hot water tank for the first time and then enter the second hot water tank for the second time, so that the rapid temperature rise of the electric heater and the basically constant water outlet temperature are ensured, and the electric heating pipe is convenient to install and replace. The electric heater and the heating system thereof have the characteristics of continuous and compact structure, simple equipment, easy operation and high heating efficiency.
Description
The technical field is as follows:
the utility model relates to a supporting hot water medium electric heater and heating system technical field that use of electrolysis trough heating in hydrometallurgy trade, concretely relates to high-efficient electric heater of electrolysis trough extrinsic cycle and heating system thereof.
Background art:
in the hydrometallurgical production process, the electrolyte solution in the electrolytic cell needs a certain electrolysis temperature in the electrolysis process, the electrolysis temperature is a parameter which must be controlled, so that the heat exchange of the electrolyte solution in the electrolytic cell is needed, the common electrolyte heat exchange process is realized by a heat exchanger or a heat exchange device in the electrolytic cell, a heat exchange medium mainly comprises hot water or steam, for example, a hot water medium is used, raw water must be heated and kept at a certain temperature firstly to be used as the heat medium to carry out heat exchange and heating on the electrolyte material, the heating of the raw water must be carried out in a heater firstly, and an electric heater is a common heating method.
At present, in actual production, an electric heating pipe is arranged in an electric heating container of a conventional electric heater, raw water is heated by electrifying, and heated hot water enters a heat exchanger or an electrolytic bath through external circulation to discharge a heat exchange device to heat electrolyte materials. However, such an electric heater has several disadvantages: firstly, only one heating container is used, the raw water in the heating container has more quantity, and the required temperature is not easy to reach in a short time; secondly, the returned water after heat exchange directly enters the electric heating container, so that the temperature of the hot water in the heater is reduced, and the temperature of the discharged water cannot be ensured to meet the required requirement; thirdly, the structure of the existing electric heater is composed of an upper cover and a barrel body, an electric heating pipe is arranged on the inner bottom surface of the upper cover, the upper cover needs to be opened when the electric heating pipe is installed, damaged and replaced, and the defects of troublesome installation and replacement, time and labor waste and inconvenient maintenance are overcome.
The invention content is as follows:
the utility model aims at providing an electric heater and electrolysis trough extrinsic cycle heating system that heat up fast and ensure that leaving water temperature is invariable basically to electric heating pipe has the installation and changes the convenience.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model comprises a first hot water tank and a second hot water tank which are arranged on an equipment bracket, and a variable frequency water pump and an electrolytic cell group which are arranged at the right outer side of the equipment bracket, wherein the first hot water tank, the second hot water tank, the variable frequency water pump and the electrolytic cell group are connected into a complete external circulation heating system for water heating-electrolytic cell group heat exchange;
the first hot water tank is vertically arranged right above the second hot water tank and is communicated with the second hot water tank, a variable frequency water pump and an electrolytic cell group are connected between the first hot water tank and the second hot water tank, the first hot water tank and the second hot water tank are identical in structure, the first hot water tank comprises a first hot water tank shell, 1-5 electric heating modules identical in structure, a 1# thermometer, a 1# manhole, a 1# liquid level meter and a 1# exhaust pipe valve, and the second hot water tank comprises a second hot water tank shell, a plurality of electric heating modules identical in structure, a 2# thermometer, a 2# manhole, a 2# liquid level meter and a 2# exhaust pipe valve;
the electrolytic cell group consists of 1-10 electrolytic cells, the electrolytic cell group consists of 3 electrolytic cells, one side of the electrolytic cell group is provided with a hot water inlet main pipe before heat exchange, the hot water inlet main pipe before heat exchange corresponds to each electrolytic cell and is distributed with a hot water inlet branch pipe before heat exchange, the hot water inlet branch pipe is communicated with a water inlet pipe of a heat exchanger (not shown) in the electrolytic cell, a water return pipe of the heat exchanger is communicated with a backwater branch pipe after heat exchange, the backwater branch pipe is communicated with a backwater main pipe after heat exchange on the other side of the electrolytic cell group, the backwater main pipe after heat exchange is communicated with a total backwater recycling outlet pipe, and the total backwater recycling outlet pipe is communicated with a backwater pipe opening of the first hot water tank.
Since the first and second hot water tanks have the same structure, the second hot water tank is specifically described as follows:
the second hot water tank shell is of a square or rectangular structure, a plurality of electric heating pipe through holes which are parallel and consistent in height are arranged at one third of the lower end of the front side of the second hot water tank shell, one end of each electric heating pipe through hole is communicated with the inside of the second hot water tank shell, the other end of each electric heating pipe through hole extends out of the outside of the second hot water tank shell and extends by 30-50mm, and an electric heating pipe connecting flange is arranged at the tail end of the outside of each electric heating pipe through hole and is fixedly connected with a tail end fixing flange of each electric heating pipe;
the electric heating module of the second hot water tank takes a No. 5 electric heating module as an example, and comprises an electric heating pipe and an electric heating pipe tail end fixing flange which is connected with the electric heating pipe in a welding way, the No. 5 electric heating module is horizontally arranged at one third of the lower end of the front side of the second hot water tank, the front end of the electric heating pipe penetrates through an electric heating pipe through hole pipe and is arranged in the second hot water tank, and the electric heating pipe tail end fixing flange is arranged outside the second hot water tank and is fixedly connected with an electric heating pipe connecting flange; the 2# thermometer is arranged at the position close to the bottom of the right side of the second hot water tank, the 2# manhole is arranged at the center of the upper end face of the second hot water tank, and a 2# manhole cover plate is arranged at the upper end of the 2# manhole; the 2# liquid level meter is arranged at the left side and the right side of the second hot water tank; the No. 2 exhaust pipe valve is arranged at the left rear side position of the upper end face of the second hot water tank;
the first hot water tank is communicated with the second hot water tank, and the communication comprises the communication of the lower-end water outlet of the first hot water tank and the upper-end water inlet of the second hot water tank and the communication of the lower-end water outlet of the second hot water tank and the upper-end return water of the first hot water tank; the lower end water outlet of the first hot water tank is communicated with the upper end water inlet of the second hot water tank in sequence through a No. 1 water outlet pipe orifice at the bottom of the first hot water tank, a No. 1 water outlet pipe orifice control valve, a No. 1 connecting flange at the upper part of the second hot water tank, a No. 2 metering valve and a water inlet pipe orifice, the lower end water outlet of the second hot water tank is communicated with the upper end water return of the first hot water tank in sequence through a No. 2 water outlet pipe orifice and a No. 2 connecting flange at the bottom of the second hot water tank, a variable frequency water pump inlet pipe control valve, a No. 1 metering valve, a variable frequency water pump inlet pipe, a variable frequency water pump and a variable frequency water pump outlet pipe control valve, the variable frequency water pump outlet pipe control valve is connected with a hot water inlet main pipe before heat exchange of the electrolytic cell bank, a hot water inlet branch pipe before heat exchange of the electrolytic bank, a water return pipe, The 3# connecting flange and the water return pipe opening at the upper part of the first hot water tank are sequentially connected, and the continuous equivalent circulating water quantity of the first hot water tank and the second hot water tank is realized by controlling a 1# metering valve and a 2# metering valve;
the upper part of the first hot water tank is also provided with a raw water inlet pipe valve, and the raw water inlet pipe valve is connected with a water return pipe port; the bottom end of the No. 1 liquid level meter of the first hot water tank is communicated with the inside of the bottom end of the right side of the first hot water tank, and the top height of the No. 1 liquid level meter is equal to the height of the upper end face of the first hot water tank; the bottom end of the 2# liquid level meter of the second hot water tank is communicated with the inside of the bottom end of the left side of the second hot water tank, and the top height of the 2# liquid level meter is equal to the height of the upper end face of the first hot water tank.
When the device is used, raw water firstly enters a first hot water tank and further enters a second hot water tank through a raw water inlet pipe valve, after the raw water is controlled by a liquid level meter to reach a proper amount, the raw water inlet pipe valve is closed, an electric heating module is opened for heating, after the temperature reaches a required temperature, a variable frequency water pump and a heat exchanger external circulation system in an electrolytic cell group are opened for heat exchange, return water after heat exchange of the electrolytic cell group enters the first hot water tank for primary circulation heating and then enters the second hot water tank for secondary circulation heating, the water in the second hot water tank is rapidly heated and discharged, the rapid heating of the electric heater and the temperature of the discharged water are ensured to be basically constant, the process is continuously operated, and the continuously equivalent circulating water amount of the first hot water tank and the second hot water tank is controlled by a 1# metering valve and a 2# metering.
When the electric heating pipes are installed and replaced, only the fixing bolts of the end fixing flanges of each electric heating pipe are needed to be opened, the damaged electric heating pipe can be pulled out from the front side face of the hot water tank shell, and a new electric heating pipe is fixed through the electric heating pipe perforated pipes, so that the maintenance and the operation are convenient and simple.
Because above-mentioned technical scheme's application, the utility model has the advantages of it is following and positive effect:
the utility model provides a high-efficient electric heater of electrolysis trough extrinsic cycle and heating system thereof, the return water after raw water and the heat exchange of electrolysis trough group is at first after once heating in first hot-water tank, carries out the secondary heating in getting into second hot-water tank 2, ensures that electric heater rapid heating up and leaving water temperature are invariable basically to electric heating pipe has the installation and changes the convenience. The electric heater and the heating system thereof have the characteristics of continuous and compact structure, simple equipment, easy operation and high heating efficiency, and are suitable for being matched with a hot water medium electric heater and a heating system thereof used for heating an electrolytic bath in the hydrometallurgy industry.
Description of the drawings:
the technical scheme of the utility model is further explained by combining the attached drawings as follows:
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic sectional view A-A of the second hot water tank 2 of FIG. 1;
in the attached drawings 1-2:
1-equipment support.
2-a second hot water tank; 21-4# electric heating module; 22-5# electric heating module; 221-an electric heating tube; 222-fixing a flange at the tail end of the electric heating pipe; 23-6# electric heating module; 24-2# thermometer; 25-water inlet pipe mouth; 26-2# metering valve; 27-1# attachment flange; 28-2# manhole; 281-2# manhole cover plate; 29-2# exhaust pipe valve; 210-2# level gauge; 211-2# water outlet pipe orifice; 212-2# connecting flange; 213-a second hot water tank housing; 214-an electrically heated tube through-hole tube; 215-electric heating tube through hole tube end flange.
3-a first hot water tank; 31-1# electric heating module; 32-2# electric heating module; 33-3# electric heating module; 34-1# water outlet pipe orifice; a 35-1# water outlet pipe orifice control valve; 36-1# thermometer; 37-1# level gauge; 38-a return water pipe port; 39-3# connecting flange; 310-raw water inlet pipe valve; 311-1# manhole; 312-1# exhaust pipe valve.
4-variable frequency water pump; 41-inlet pipe control valve of variable frequency water pump; 42-1# metering valve; 43-variable frequency water pump inlet pipe; 44-outlet pipe control valve of variable frequency water pump; 45-outlet pipeline of variable frequency water pump.
5-electrolytic cell group; 51-1# electrolytic cell; 511-cell cover plate; 52-2# electrolytic cell; no. 53-3 electrolytic cell; 54-a water return main pipe after heat exchange; 541-1 # backwater branch pipe after heat exchange; 542-branch pipe of No. 2 backwater after heat exchange; 543-heat exchange and then 3# backwater branch pipe; 55-a hot water inlet main pipe before heat exchange; 551-1 # hot water inlet branch pipe before heat exchange; 552-hot water inlet branch pipe No. 2 before heat exchange; 553-3 # hot water inlet branch pipe before heat exchange; 56-total return water recycling outlet pipe control valve; 57-total return water recycling outlet pipe.
The specific implementation mode is as follows:
in order to make the technical solutions, creation features, achievement objectives and functions of the present invention easy to understand, the following detailed description of the present invention is provided in conjunction with the accompanying drawings.
The utility model discloses an install first hot-water tank 3 and second hot-water tank 2 on equipment support 1 to and arrange in the variable frequency water pump 4 and the electrolysis trough group 5 of equipment support 1 outside on the right side and constitute, first hot-water tank 3, second hot-water tank 2, variable frequency water pump 4 and electrolysis trough group 5 link into the extrinsic cycle heating system of a complete water heating-electrolysis trough group heat transfer.
The first hot water tank 3 is vertically arranged right above the second hot water tank 2 and is communicated with the second hot water tank 2, a variable frequency water pump 4 and a heat exchanger 5 are connected between the first hot water tank 3 and the second hot water tank 2, the first hot water tank 3 and the second hot water tank 2 are identical in structure, the first hot water tank 3 comprises a first hot water tank shell, 3 electric heating modules with the same structure are a 1# electric heating module 31, a 2# electric heating module 32, a 3# electric heating module 33, a 1# thermometer 36, a 1# 311, a 1# liquid level meter 37 and a 1# exhaust pipe valve 312 respectively, the second hot water tank 2 comprises a second hot water tank shell 213, and 3 electric heating modules with the same structure are a 4# electric heating module 21, a 5# electric heating module 22, a 6# electric heating module 23, a 2# thermometer 24, a 2# manhole 28, a 2# exhaust manhole gauge 210 and a 2# exhaust manhole 29 respectively.
The electrolytic cell group 5 consists of a 1# electrolytic cell 51, a 2# electrolytic cell 52 and a 3# electrolytic cell 53, each electrolytic cell is provided with an electrolytic cell cover plate 511, one side of the electrolytic cell group 5 is provided with a hot water inlet main pipe 55 before heat exchange, the hot water inlet main pipe 55 before heat exchange is respectively corresponding to the 1# electrolytic cell 51, the 2# electrolytic cell 52 and the 3# electrolytic cell 53 and is provided with a 1# hot water inlet branch pipe 551 before heat exchange, a 2# hot water inlet branch pipe 552 before heat exchange and a 3# hot water inlet branch pipe 553 before heat exchange, the 1# hot water inlet branch pipe 551 before heat exchange, the 2# hot water inlet branch pipe 552 before heat exchange and the 3# hot water inlet branch pipe 553 before heat exchange are respectively communicated with a heat exchanger (not shown) water inlet pipe in the electrolytic cell 5, the heat exchanger pipes are respectively communicated with a 1# return water branch pipe 541 after heat exchange, a 2# return water branch pipe 542 after heat exchange and a 3# return water branch pipe 543 after heat exchange, the heat-exchanged 1# backwater branch pipe 541, the heat-exchanged 2# backwater branch pipe 542 and the heat-exchanged 3# backwater branch pipe 543 are communicated with a heat-exchanged backwater main pipe 54 on the other side of the electrolytic cell group 5, the heat-exchanged backwater main pipe 54 is communicated with a total backwater recycling outlet pipe 57, the total backwater recycling outlet pipe 57 is communicated with a backwater pipe opening 38 of the first hot water tank 3, and a total backwater recycling outlet pipe control valve 56 is arranged on the total backwater recycling outlet pipe 57.
The first hot water tank 3 and the second hot water tank 2 have the same structure, and the second hot water tank 2 is specifically described as an example below:
the second hot water tank shell 213 is of a square or rectangular structure, 3 electric heating pipe through-hole pipes 214 which are parallel and consistent in height are arranged at one third of the lower end of the front side of the second hot water tank shell 213, one end of each electric heating pipe through-hole pipe 214 is communicated with the inside of the second hot water tank shell 213, the other end of each electric heating pipe through-hole pipe 214 extends out of the second hot water tank shell 213 and extends by 30-50mm, and an electric heating pipe connecting flange 215 is arranged at the tail end of the outside of each electric heating pipe through-hole pipe 214 and is fixedly connected with an electric heating pipe tail end fixing flange 222;
the electric heating module of the second hot water tank 2 is exemplified by a # 5 electric heating module 22, which comprises an electric heating pipe 221 and an electric heating pipe end fixing flange 222 welded with the electric heating pipe 221, the # 5 electric heating module 22 is horizontally installed at one third of the lower end of the front side of the second hot water tank 2, the front end of the electric heating pipe 221 passes through an electric heating pipe through-hole pipe 214 and is arranged in the second hot water tank 2, and the electric heating pipe end fixing flange 222 is arranged outside the second hot water tank 2 and is fixedly connected with an electric heating pipe connecting flange 215;
the 2# thermometer 24 is arranged at the right side of the second hot water tank 2 close to the bottom; the 2# manhole 28 is arranged at the center of the upper end face of the second hot water tank 2, and a 2# manhole cover plate 281 is arranged at the upper end of the 2# manhole 28; the 2# liquid level meter 210 is arranged at both the left side and the right side of the second hot water tank 2; the No. 2 exhaust pipe valve 29 is arranged at the left rear position of the upper end face of the second hot water tank 2;
the first hot water tank 3 is communicated with the second hot water tank 2, the communication comprises that the lower end water outlet of the first hot water tank 3 is communicated with the upper end water inlet of the second hot water tank 2 and the lower end water outlet of the second hot water tank 2 is communicated with the upper end water return of the first hot water tank 3, the lower end water outlet of the first hot water tank 3 is communicated with the upper end water inlet of the second hot water tank 2 sequentially through a No. 1 water outlet pipe 34 and a No. 1 water outlet pipe control valve 35 at the bottom of the first hot water tank 3, a No. 1 connecting flange 27, a No. 2 metering valve 26 and a water inlet pipe 25 at the upper part of the second hot water tank 2, the lower end water outlet of the second hot water tank 2 is communicated with the upper end water return of the first hot water tank 3 sequentially through a No. 2 water outlet pipe 211 and a No. 2 connecting flange 212 at the bottom of the second hot water tank, a variable frequency water pump control valve 41, a No. 1 metering valve, The variable frequency water pump 4 and the variable frequency water pump outlet pipe control valve 44 are sequentially connected, the variable frequency water pump outlet pipe control valve 44 is sequentially connected with a hot water inlet main pipe 55 before heat exchange, a hot water inlet branch pipe 551 before heat exchange, a hot water inlet branch pipe 2 before heat exchange 552, a hot water inlet branch pipe 3 before heat exchange 553, a backwater branch pipe 1 after heat exchange 541, a backwater branch pipe 2 after heat exchange 542, a backwater branch pipe 3 after heat exchange 543, a backwater main pipe 54 after heat exchange, a backwater recycling outlet pipe 57, a 3# connecting flange 39 on the upper portion of the first hot water tank 3 and a backwater pipe port 38, and the continuous equivalent circulating water amount of the first hot water tank 3 and the second hot water tank 2 is controlled by a metering valve 42 # and a metering valve 26 # 2.
The upper part of the first hot water tank 3 is also provided with a raw water inlet pipe valve 310, and the raw water inlet pipe valve 310 is communicated with the water return pipe port 38;
the bottom end of the No. 1 liquid level meter 37 of the first hot water tank 3 is communicated with the inside of the bottom end of the right side of the first hot water tank 3, and the top height of the No. 1 liquid level meter 37 is equal to the height of the upper end face of the first hot water tank 3; the bottom end of the 2# liquid level meter 210 of the second hot water tank 2 is communicated with the inside of the bottom end of the left side of the second hot water tank 2, and the top height of the 2# liquid level meter 210 is equal to the height of the upper end face of the first hot water tank 3.
When in use, raw water firstly enters the first hot water tank 3 and further enters the second hot water tank 2 through the raw water inlet pipe valve 310, after the raw water is controlled by the No. 1 liquid level meter 37 of the first hot water tank 3 and the No. 2 liquid level meter 210 of the second hot water tank 2 respectively to reach proper quantities, the raw water inlet pipe valve 310 is closed, the electric heating module is opened for heating, when the temperature reaches the required temperature, the variable frequency water pump 4 and the heat exchanger external circulation system in the electrolytic cell group 5 are started for heat exchange, the return water after the heat exchange of the electrolytic cell group 5 enters the first hot water tank 3 through the return water pipe port 38 for primary circulation heating and then enters the second hot water tank 2 for secondary circulation heating, the water in the second hot water tank 2 is rapidly heated and discharged, the process is continuously operated, and the continuous equal amount of circulating water of the first hot water tank 3 and the second hot water tank 2 is controlled by a metering valve No. 1 and a metering valve No. 2.
When the electric heating pipe is installed and replaced, taking the electric heating pipe 221 as an example, only the fixing bolt of the fixing flange 222 at the tail end of the electric heating pipe 221 needs to be opened, and the damaged electric heating pipe 221 can be drawn out from the front side surface of the second water heating box shell 213, and the new electric heating pipe 221 is fixed through the perforated pipe 214, so that the maintenance operation is convenient and simple.
The above-mentioned embodiments are only intended to illustrate the technical solutions of the present invention, not to limit the technical solutions, and are the main features, advantages and specific examples of the present invention, and it should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments, and the present invention can also have various changes and modifications without departing from the spirit and scope of the technical solutions of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An electrolytic bath external circulation high-efficiency electric heater and a heating system thereof comprise a first hot water tank (3) and a second hot water tank (2) which are arranged on an equipment support (1), and a variable frequency water pump (4) and an electrolytic bath group (5) which are arranged on the right outer side of the equipment support (1), wherein the first hot water tank (3), the second hot water tank (2), the variable frequency water pump (4) and the electrolytic bath group (5) are connected into a complete external circulation heating system for heat exchange of a water heating-electrolytic bath group; the electric heating water heater is characterized in that the first hot water tank (3) is vertically arranged right above the second hot water tank (2) and is communicated with the second hot water tank (2), a variable frequency water pump (4) and an electrolytic cell group (5) are connected between the first hot water tank (3) and the second hot water tank (2), the first hot water tank (3) and the second hot water tank (2) are identical in structure, the first hot water tank (3) comprises a first hot water tank shell, 3 electric heating modules identical in structure are respectively a 1# electric heating module (31), a 2# electric heating module (32) and a 3# electric heating module (33), a 1# thermometer (36), a 1# manhole (311), a 1# liquid level meter (37) and a 1# exhaust pipe valve (312), the second hot water tank (2) comprises a second hot water tank shell (213), and 3 electric heating modules identical in structure are respectively a 4# electric heating module (21), a 5# electric heating module (22) and a 6# electric heating module (23), 2# thermometer (24), 2# manhole (28), 2# level gauge (210), 2# exhaust pipe valve (29).
2. The electrolytic bath external circulation high-efficiency electric heater and the heating system thereof as claimed in claim 1, wherein: the electrolytic cell group (5) consists of a 1# electrolytic cell (51), a 2# electrolytic cell (52) and a 3# electrolytic cell (53), wherein each electrolytic cell is provided with an electrolytic cell cover plate (511), one side of the electrolytic cell group (5) is provided with a hot water inlet main pipe (55) before heat exchange, the hot water inlet main pipe (55) before heat exchange is respectively corresponding to the 1# electrolytic cell (51), the 2# electrolytic cell (52) and the 3# electrolytic cell (53) and is provided with a 1# hot water inlet branch pipe (551) before heat exchange, a 2# hot water inlet branch pipe (552) before heat exchange and a 3# hot water inlet branch pipe (553) before heat exchange, the 1# hot water inlet branch pipe (551) before heat exchange, the 2# hot water inlet branch pipe (552) before heat exchange and the 3# hot water inlet branch pipe (552) before heat exchange are respectively communicated with a heat exchanger water inlet pipe in the electrolytic cell group (5), and the heat exchanger pipes are respectively corresponding to the 1# water return branch pipes (541, 553) and 553) after heat exchange, The 2# backwater branch pipe (542) after heat exchange is communicated with the 3# backwater branch pipe (543) after heat exchange, the 1# backwater branch pipe (541) after heat exchange, the 2# backwater branch pipe (542) after heat exchange and the 3# backwater branch pipe (543) after heat exchange are communicated with a backwater main pipe (54) after heat exchange on the other side of the electrolytic cell group (5), the backwater main pipe (54) after heat exchange is communicated with a total backwater recycling outlet pipe (57), the total backwater recycling outlet pipe (57) is communicated with a backwater pipe opening (38) of the first hot water tank (3), and the total backwater recycling outlet pipe (57) is provided with a total backwater recycling outlet pipe control valve (56).
3. The electrolytic bath external circulation high-efficiency electric heater and the heating system thereof as claimed in claim 1, wherein: the second hot water tank shell (213) is of a square or rectangular structure, 3 electric heating pipe through holes (214) which are parallel and consistent in height are formed in one third of the lower end of the front side of the second hot water tank shell, one end of each electric heating pipe through hole (214) is communicated with the inside of the second hot water tank shell (213), the other end of each electric heating pipe through hole (214) extends out of the outside of the second hot water tank shell (213) and is extended by 30-50mm, and an electric heating pipe connecting flange (215) is arranged at the tail end of the outside of each electric heating pipe through hole (214) and is fixedly connected with a tail end fixing flange (222) of each electric heating pipe.
4. The electrolytic bath external circulation high-efficiency electric heater and the heating system thereof as claimed in claim 1, wherein: the No. 5 electric heating module (22) of the second hot water tank (2) comprises an electric heating pipe (221) and an electric heating pipe end fixing flange (222) welded with the electric heating pipe (221), the No. 5 electric heating module (22) is horizontally installed at one third of the lower end of the front side of the second hot water tank (2), the front end of the electric heating pipe (221) penetrates through an electric heating pipe through hole pipe (214) to be arranged in the second hot water tank (2), and the electric heating pipe end fixing flange (222) is arranged outside the second hot water tank (2) and is fixedly connected with an electric heating pipe connecting flange (215).
5. The electrolytic bath external circulation high-efficiency electric heater and the heating system thereof as claimed in claim 1, wherein: the 2# thermometer (24) is arranged at the position close to the bottom of the right side of the second hot water tank (2); the No. 2 manhole (28) is arranged at the center of the upper end face of the second hot water tank (2), and a No. 2 manhole cover plate (281) is arranged at the upper end of the No. 2 manhole (28); the 2# liquid level meter (210) is arranged at the left side and the right side of the second hot water tank (2); the No. 2 exhaust pipe valve (29) is arranged at the left rear position of the upper end face of the second hot water tank (2).
6. The electrolytic bath external circulation high-efficiency electric heater and the heating system thereof as claimed in claim 1, wherein: the water heater is characterized in that the first hot water tank (3) is communicated with the second hot water tank (2), the communication comprises that the lower end water outlet of the first hot water tank (3) is communicated with the upper end water inlet of the second hot water tank (2) and the lower end water outlet of the second hot water tank (2) is communicated with the upper end water return of the first hot water tank (3), the lower end water outlet of the first hot water tank (3) is communicated with the upper end water inlet of the second hot water tank (2) in a water inlet mode, and is sequentially connected with a No. 1 water outlet pipe orifice (34) at the bottom of the first hot water tank (3), a No. 1 water outlet pipe orifice control valve (35), a No. 1 connecting flange (27), a No. 2 metering valve (26) and a water inlet pipe orifice (25) at the upper part of the second hot water tank (2), the lower end water outlet of the second hot water tank (2) is communicated with the upper end water return of the first hot water tank (3) in a water return mode, and is sequentially communicated with, The 2# connecting flange (212) is sequentially connected with a variable-frequency water pump inlet pipe control valve (41), a 1# metering valve (42), a variable-frequency water pump inlet pipe (43), a variable-frequency water pump (4) and a variable-frequency water pump outlet pipe control valve (44), the variable-frequency water pump outlet pipe control valve (44) is sequentially connected with a heat-exchange front hot water inlet main pipe (55), a heat-exchange front 1# hot water inlet branch pipe (551), a heat-exchange front 2# hot water inlet branch pipe (552), a heat-exchange front 3# hot water inlet branch pipe (553), a heat-exchange rear 1# backwater branch pipe (541), a heat-exchange rear 2# backwater branch pipe (542), a heat-exchange rear 3# backwater branch pipe (543), a heat-exchange rear backwater main pipe (54), a total backwater recycling outlet pipe (57), a 3# connecting flange (39) at the upper part of the first hot water tank (3), and the continuous equal circulating water amount of the first hot water tank (3) and the second hot water tank (2) is controlled by the No. 1 metering valve (42) and the No. 2 metering valve (26) in an equal amount.
7. The electrolytic bath external circulation high-efficiency electric heater and the heating system thereof as claimed in claim 1, wherein: the upper part of the first hot water tank (3) is also provided with a raw water inlet pipe valve (310), and the raw water inlet pipe valve (310) is communicated with the water return pipe opening (38).
8. The electrolytic bath external circulation high-efficiency electric heater and the heating system thereof as claimed in claim 1, wherein: the bottom end of the 1# liquid level meter (37) is communicated with the inside of the bottom end of the right side of the first hot water tank (3), and the top height of the 1# liquid level meter (37) is equal to the height of the upper end face of the first hot water tank (3).
9. The electrolytic bath external circulation high-efficiency electric heater and the heating system thereof as claimed in claim 1 or 5, wherein: the bottom end of the 2# liquid level meter (210) is communicated with the inside of the bottom end of the left side of the second hot water tank (2), and the top height of the 2# liquid level meter (210) is equal to the height of the upper end face of the first hot water tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020586151.0U CN212152460U (en) | 2020-04-07 | 2020-04-07 | High-efficient electric heater of electrolysis trough extrinsic cycle and heating system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020586151.0U CN212152460U (en) | 2020-04-07 | 2020-04-07 | High-efficient electric heater of electrolysis trough extrinsic cycle and heating system thereof |
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| CN212152460U true CN212152460U (en) | 2020-12-15 |
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| CN202020586151.0U Expired - Fee Related CN212152460U (en) | 2020-04-07 | 2020-04-07 | High-efficient electric heater of electrolysis trough extrinsic cycle and heating system thereof |
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| Country | Link |
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| CN (1) | CN212152460U (en) |
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| 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: 20201215 |