CN219200127U - Parallel combined type heating network heater - Google Patents
Parallel combined type heating network heater Download PDFInfo
- Publication number
- CN219200127U CN219200127U CN202223466911.2U CN202223466911U CN219200127U CN 219200127 U CN219200127 U CN 219200127U CN 202223466911 U CN202223466911 U CN 202223466911U CN 219200127 U CN219200127 U CN 219200127U
- Authority
- CN
- China
- Prior art keywords
- tube
- main pipe
- shutoff valve
- pipe
- tube bundle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a parallel combined type heating network heater which structurally comprises a shell side steam consumption cavity, a water return main pipe, a shutoff valve, at least two pipe bundle assemblies and a water supply main pipe, wherein the shell side steam consumption cavity is sequentially connected with the at least two pipe bundle assemblies in parallel from top to bottom, one end of each pipe bundle assembly is provided with the shutoff valve I, the other end of each pipe bundle assembly is provided with the shutoff valve II, the shutoff valve I is communicated with the water return main pipe, the shutoff valve II is communicated with the water supply main pipe, one side of the water return main pipe is provided with a circulating water inlet, and one side of the water supply main pipe is provided with a circulating water outlet. The heater realizes the integration of heat exchange tube bundles, random switching and isolation of maintenance and random switching of high and low loads, integrates multiple functions, can completely replace the traditional heat supply network heater, and is more beneficial to the safe operation and maintenance of various systems.
Description
Technical Field
The utility model relates to the field of heating network heaters, in particular to a parallel combined heating network heater.
Background
With the increase of chemical industry and thermal power plants thereof, the heat supply network heater plays a non-negligible role in the field of the industry. With the continuous progress of economic development and production technology, the variety and technical structural characteristics of the heat supply network heater are also innovated, and the heat supply network heater is an indispensable medium-sized device in the first-station heating; however, the conventional heat supply network heater has some drawbacks in the operation process and the maintenance process.
First, the equipment bundles are singulated. Conventional grid heaters typically have only one set of larger circular tube bundles.
Secondly, the maintenance is inconvenient. If the tube bundle leaks, the heat network heater needs to be integrally cut off to carry out maintenance, and the equipment cannot be maintained or isolated on line.
Third, the high and low load stage operation cannot be considered. The design of the heat supply network heater generally considers 3 stages, namely an initial operation stage, a middle operation stage and a high-load operation stage, and the initial heating stage is in a low-load stage, so that the required load has a large load difference from a normal design, and the high-load and low-load combination cannot be realized during the operation of equipment.
Fourth, the processing cycle is long and the cost is high. The traditional heat supply network heater is provided with a group of tube bundles, the diameter of a tube distribution area is larger, the diameter of a tube plate is large, the thickness is super-thick, the processing is difficult, the cost is high, and the beam penetration is difficult;
disclosure of Invention
The utility model aims to provide a parallel combined type heating network heater, which effectively solves the problems of single property, difficult maintenance, high processing difficulty, high cost, difficult high-low load interconversion and the like of the traditional heating network heater, realizes integration of a heat exchange tube bundle, random switching and isolation of maintenance and random high-low load conversion, integrates multiple functions, can completely replace the traditional heating network heater, and is more beneficial to safe operation and maintenance of various systems.
The technical scheme adopted for solving the technical problems is as follows: the parallel combined type heat supply network heater structurally comprises a shell side steam consumption cavity, a backwater main pipe, a shut-off valve, at least two tube bundle assemblies and a water supply main pipe, wherein the shell side steam consumption cavity is sequentially connected with the at least two tube bundle assemblies in parallel from top to bottom, one end of each tube bundle assembly is provided with the shut-off valve I, the other end of each tube bundle assembly is provided with the shut-off valve II, the shut-off valve I is communicated with the backwater main pipe, the shut-off valve II is communicated with the water supply main pipe, one side of the backwater main pipe is provided with a circulating water inlet, and one side of the water supply main pipe is provided with a circulating water outlet.
Further, the tube bundle assembly comprises a tube box and a plurality of tube bundles, the tube bundles are transversely arranged, two ends of each tube bundle are respectively connected with the corresponding tube boxes, one tube box is connected with the shutoff valve, and the other tube box is connected with the shutoff valve II.
Further, the tube bundle is of a straight tube type which facilitates replacement of a single extraction tube.
Further, the upper end of the shell side steam consumption cavity is provided with a steam inlet, the lower end of the shell side steam consumption cavity is provided with a drain outlet, and a wash-resistant plate is arranged below the steam inlet of the inner cavity of the shell side steam consumption cavity.
Further, each tube bundle assembly is provided with an independent tube box structure.
The utility model has the beneficial effects that:
the parallel combined type heat supply network heater adopts a plurality of tube bundle components with parallel connection structures, random cutting and conversion can be realized among the tube bundles through front and back shutoff valves, and operation without interference and mutual influence among the tube bundle components can be realized.
The device can realize the staged switching operation of high and low loads, the initial heating operation, the rated operation and the load increasing operation, and can adjust the opening of the front valve and the rear valve in an over-adjusting manner, thereby adjusting the heat loads in different heating periods. The on-line isolation can be realized, when a certain group of tube bundles leak, a single leakage tube bundle group can be cut off through the cut-off valve, and other tube bundle components can normally operate, so that the on-line isolation function is realized.
The tube bundle combination can be increased or decreased randomly along with the load design, so that the load design flexibility is realized; the multiple groups of tube bundles are in parallel operation, so that the circulating water can realize large-flow operation, and the device is simple in structure and convenient to process and install.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
in the figure:
a water return main pipe 1, a shut-off valve 2, a pipe box 3, a pipe bundle 4, a steam inlet 5, a flushing plate 6, a shut-off valve 7, a water supply main pipe 8, a pipe box 9, a pipe bundle 10, a pipe box 11, a pipe bundle 12, a shell side steam consumption cavity 13 and a drain port 14.
Detailed Description
The parallel combined type heat supply network heater of the present utility model will be described in detail with reference to the accompanying drawings.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the parallel combined type heating network heater comprises a shell side steam consumption cavity 13, a water return main pipe 1, a shut-off valve, at least two tube bundle assemblies and a water supply main pipe, wherein the shell side steam consumption cavity is sequentially and parallelly provided with the at least two tube bundle assemblies from top to bottom, one end of each tube bundle assembly is provided with a shut-off valve I2, the other end of each tube bundle assembly is provided with a shut-off valve II 7, the shut-off valve I2 is communicated with the water return main pipe 1, the shut-off valve II 7 is communicated with the water supply main pipe 8, one side of the water return main pipe 1 is provided with a circulating water inlet, and one side of the water supply main pipe 8 is provided with a circulating water outlet. The tube bundle components are not interfered with each other and are not affected by each other, the tube bundle components are of a parallel connection structure, random cutting conversion is realized between the tube bundles through front and back shutoff valves, and the tube bundle components can reach the condition that the tube bundle groups are not interfered with each other and are not affected by each other.
As shown in fig. 1, the shell-side steam consumption cavity 13 is sequentially provided with three tube bundle assemblies from top to bottom, and the three tube bundle assemblies are respectively connected with the water supply main pipe and the water return main pipe in parallel through shut-off valves at two ends. The first tube bundle assembly comprises a first tube box 3 and a first tube bundle 4, wherein the first tube bundle is a plurality of straight tube bundles which are transversely arranged, and two ends of the first tube bundle 4 are respectively connected with the first tube box 3 through flanges. The second tube bundle assembly comprises a second tube box 9 and a second tube bundle 10, wherein the second tube bundle is a plurality of straight tube bundles which are transversely arranged, and two ends of the second tube bundle are respectively connected with the second tube box through flanges. The third tube bundle assembly comprises a third tube box 11 and a third tube bundle 12, wherein the third tube bundle is a plurality of straight tube bundles which are transversely arranged, and two ends of the third tube bundle are respectively connected with the third tube box through flanges.
The tube bundle assembly comprises a tube box and a plurality of tube bundles, wherein the tube bundles are transversely arranged, two ends of each tube bundle are respectively connected with the corresponding tube boxes, one tube box is connected with the shutoff valve, and the other tube box is connected with the shutoff valve II.
The tube bundle is of a straight tube type, and the straight tube type tube bundle can facilitate replacement of a single suction tube.
The upper end of the shell side steam consumption cavity is provided with a steam inlet 5, the lower end of the shell side steam consumption cavity is provided with a drain port 14, and a wash-out plate 6 is arranged below the steam inlet of the inner cavity of the shell side steam consumption cavity 13. The backwater main pipe 1 and the water supply main pipe 8 are respectively arranged at the front and the rear of the pipe box, so that the purpose of being connected with the pipeline into a whole and reducing the number of external connection pipelines is realized.
Each tube bundle component is respectively provided with an independent tube box structure, so that the water inlet at the circulating water side achieves the purpose of parallel connection, and the switching separation is carried out through the isolation doors at the front end and the rear end of the tube box.
When the equipment operates, backwater enters from a backwater main pipe, is respectively dispersed into each pipe box or a single pipe box according to the condition of operation load, and then steam is introduced from an upper steam inlet to realize the switching operation of high and low loads. When the heat exchange tubes in the single tube bundle leak, the heat exchange tubes can be isolated by the isolation valve in front of the leakage tube box, and the operation of other tube bundle groups is not affected. When equipment stops operating after the heating period, the heat exchange pipes can be replaced and maintained by disassembling the front flange and the rear flange of the pipe box, and the small-diameter and small-length heat exchange pipes have the functions of convenience in disassembly and simplicity in replacement.
The parallel combined type heat supply network heater adopts a plurality of tube bundle components with parallel connection structures, random cutting and conversion can be realized among the tube bundles through front and back shutoff valves, and operation without interference and mutual influence among the tube bundle components can be realized. The device can realize the staged switching operation of high and low loads, the initial heating operation, the rated operation and the load increasing operation, and can adjust the opening of the front valve and the rear valve in an over-adjusting manner, thereby adjusting the heat loads in different heating periods. The on-line isolation can be realized, when a certain group of tube bundles leak, a single leakage tube bundle group can be cut off through the cut-off valve, and other tube bundle components can normally operate, so that the on-line isolation function is realized. The tube bundle combination can be increased or decreased randomly along with the load design, so that the load design flexibility is realized; the multiple groups of tube bundles are in parallel operation, so that the circulating water can be operated at a large flow rate; simple structure, processing, simple to operate.
The foregoing is provided by way of illustration of the principles of the present utility model, and is not intended to be limited to the specific constructions and applications illustrated herein, but rather to all modifications and equivalents which may be utilized as fall within the scope of the utility model as defined in the claims.
The technical features are known to those skilled in the art except the technical features described in the specification.
Claims (5)
1. The parallel combined type heat supply network heater comprises a shell side steam consumption cavity and is characterized by further comprising a water return main pipe, a shutoff valve, at least two pipe bundle assemblies and a water supply main pipe, wherein the shell side steam consumption cavity is sequentially connected with the at least two pipe bundle assemblies in parallel from top to bottom, one end of each pipe bundle assembly is provided with the shutoff valve I, the other end of each pipe bundle assembly is provided with the shutoff valve II, the shutoff valve I is communicated with the water return main pipe, the shutoff valve II is communicated with the water supply main pipe, one side of the water return main pipe is provided with a circulating water inlet, and one side of the water supply main pipe is provided with a circulating water outlet.
2. The parallel combined heat supply network heater according to claim 1, wherein the tube bundle assembly comprises a tube box and a plurality of tube bundles, the tube bundles are transversely arranged, two ends of each tube bundle are respectively connected with a corresponding tube box, one tube box is connected with a shut-off valve, and the other tube box is connected with a second shut-off valve.
3. The parallel combined heat grid heater according to claim 1, wherein the tube bundle is of straight tube type for facilitating replacement of a single extraction tube.
4. The parallel combined heat supply network heater according to claim 1, wherein the upper end of the shell side steam consumption cavity is provided with a steam inlet, the lower end is provided with a drain port, and a wash-resistant plate is arranged below the steam inlet of the inner cavity of the shell side steam consumption cavity.
5. The parallel combined heat grid heater according to claim 1, wherein each tube bundle assembly is provided with a separate tube box structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223466911.2U CN219200127U (en) | 2022-12-15 | 2022-12-15 | Parallel combined type heating network heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223466911.2U CN219200127U (en) | 2022-12-15 | 2022-12-15 | Parallel combined type heating network heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219200127U true CN219200127U (en) | 2023-06-16 |
Family
ID=86718530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223466911.2U Active CN219200127U (en) | 2022-12-15 | 2022-12-15 | Parallel combined type heating network heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219200127U (en) |
-
2022
- 2022-12-15 CN CN202223466911.2U patent/CN219200127U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106178558B (en) | Liquid ammonia evaporator | |
| CN110080834B (en) | Low-pressure cylinder optimization system for ultra-low load operation of coal burner unit | |
| CN113175362B (en) | Bus pipe connection system for realizing zero output of low-pressure cylinder and operation method | |
| CN219200127U (en) | Parallel combined type heating network heater | |
| CN210320252U (en) | Heat allocation heating system between high-temperature pipe network and low-temperature pipe network | |
| CN113175367B (en) | Master control system for improving peak regulation capacity and flexibility of unit and operation method | |
| CN114046186A (en) | High-flexibility high-thermoelectric-ratio composite thermal mass bypass heating system | |
| CN204730234U (en) | Steam type airheater | |
| CN214275750U (en) | Two main pipe segmentation main steam pipe-line system of msw incineration power generation | |
| CN204026645U (en) | A kind of anti-leak economizer | |
| CN113175368B (en) | Boiler steam turbine interconnection system based on main pipe system transformation and operation method | |
| CN214035809U (en) | Steam pipeline system of multi-shaft gas and steam combined cycle unit | |
| CN214198844U (en) | Annular pipe network heating system | |
| CN212204711U (en) | Heat supply system for improving total heat supply capacity of heat source | |
| CN210237532U (en) | Riser feed pipe and balance system | |
| CN202132702U (en) | Thermal recovery pressure reduction device | |
| CN214499186U (en) | Thermodynamic system for FCB function of unit | |
| CN216716342U (en) | Standardized water mixing unit special for water mixing direct supply system | |
| CN217270362U (en) | Pipeline design of steam turbine waste heat power generation system | |
| CN219965083U (en) | Inside rivers vortex breaker of pipeline | |
| CN219036603U (en) | Nuclear power plant double-row low-addition single-drainage-tank multi-drainage-pump drainage system | |
| CN104154516B (en) | A kind of steam generator | |
| CN213238547U (en) | Heat exchanger utilizing steam waste heat | |
| CN220287551U (en) | Heating system for municipal administration main pipe network backwater and multi-energy coupling utilization | |
| CN219390695U (en) | Blowdown system of plate heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |