Heat supply pressurization regulation and control framework based on building units and heat supply system

Abstract

The utility model discloses a heat supply pressurization regulation and control framework based on building units and a heat supply system. The heat supply pressurization regulation and control framework comprises a pumping main path structure; the valve control branch structure is respectively communicated and connected with the pumping main path structure and the heat supply terminal; the lifting pump body structure is arranged on the valve control branch structure in a communicating mode, and a preset height interval is kept between the lifting pump body structure and the pumping main path structure; the pressurizing assembly structure is provided with a controllable on-off input end and a controllable on-off output end, and the controllable on-off input end and the controllable on-off output end of the pressurizing assembly structure are connected to the heat supply conveying upstream side, corresponding to the lifting pump body structure, of the valve control branch structure. The technical problem that in the prior art, when flow is increased for a branch with the high heat supply requirement, water lifting pressure loss is reduced, water cannot reach a lifting pump according to the preset flow, and the overall energy efficiency is affected is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat supply distribution technical field, specifically, relate to a kind of heat supply pressurization regulation and control framework and heat supply system based on building unit. BACKGROUND

[0002] At present, central heating system as an important part of modern social infrastructure, provides basic guarantee for residential life, industrial production and public service, significantly improves the quality of life in cold season.

[0003] Traditional heat supply system generally uses "area apportionment", that is, through the area proportion of heat supply terminal to allocate heat, which excessively relies on artificial inspection or regional total table data, and it is difficult to accurately obtain the actual heat demand of heat supply terminal. At the same time, the current building unit heating is usually based on pumping main road and two groups of vertical valve control branch to realize water lifting and transportation, and part of the middle and high-rise buildings need to set lifting pump corresponding to the branch to ensure the pressure required by water lifting. However, when the heat is distributed according to the heat demand, the flow and speed of the branch with relatively high heat demand are increased synchronously, which reduces the water lifting pressure of the corresponding branch, thus easily leading to that the transported water cannot reach the next stage of lifting pump according to the predetermined flow, and further causing the phenomenon of "near-end overheating and far-end overcooling" of terminal user, which seriously reduces the overall energy efficiency of heat supply system. SUMMARY

[0004] Therefore, the utility model provides a kind of heat supply pressurization regulation and control framework and heat supply system based on building unit to solve the technical problem that in prior art, when the flow of branch with high heat demand is increased, the water lifting pressure loss is reduced, which affects the overall energy efficiency when the lifting pump cannot be reached according to the predetermined flow.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A kind of heat supply pressurization regulation and control framework based on building unit, comprising:

[0007] Pumping main road structure;

[0008] Valve control branch structure, which is connected between the pumping main road structure and the heat supply terminal;

[0009] Lifting pump body structure, which is connected to the valve control branch structure, and the lifting pump body structure and the pumping main road structure are arranged with a predetermined height interval;

[0010] The pressure boosting assembly structure has controllable on-off input end and controllable on-off output end, and the controllable on-off input end and controllable on-off output end of the pressure boosting assembly structure are connected to the valve control branch structure corresponding to the heat supply delivery upstream side of the booster pump body structure.

[0011] Based on the above technical solutions, the utility model makes further description as follows:

[0012] As a further scheme of the utility model,

[0013] The pumping main path structure comprises a variable frequency pump body and a delivery main pipeline.

[0014] The delivery main pipeline and the variable frequency pump body are connected and arranged in series.

[0015] As a further scheme of the utility model,

[0016] The valve control branch structure comprises a delivery branch pipeline and a flow control valve.

[0017] One end of the delivery branch pipeline and the delivery main pipeline are connected and arranged in series, and the delivery branch pipeline and the heat supply terminal are connected and arranged in series.

[0018] The flow control valve is connected and arranged in series in the delivery branch pipeline.

[0019] As a further scheme of the utility model,

[0020] The pressure boosting assembly structure comprises a branch switch valve.

[0021] The branch switch valve is connected and arranged in series in the delivery branch pipeline, and is located between the controllable on-off input end and controllable on-off output end of the pressure boosting assembly structure.

[0022] As a further scheme of the utility model,

[0023] The pressure boosting assembly structure further comprises a pressure boosting sub-pipeline assembly and a pressure boosting pump body.

[0024] The input end and output end of the pressure boosting pump body are connected and arranged in series to the delivery branch pipeline through the pressure boosting sub-pipeline assembly, and the output end of the pressure boosting pump body is connected and arranged with a second pressure boosting switch valve.

[0025] As a further scheme of the utility model,

[0026] The pressure boosting sub-pipeline assembly comprises a first pressure boosting sub-pipeline and a second pressure boosting sub-pipeline.

[0027] The first pressurizing branch pipe is connected to the input end of the pressurizing pump body and the delivery branch pipe; and the second pressurizing branch pipe is connected to the output end of the pressurizing pump body and the delivery branch pipe.

[0028] The branch switch valve is arranged between the first pressurizing branch pipe and the second pressurizing branch pipe.

[0029] The second pressurizing switch valve is arranged in the second pressurizing branch pipe.

[0030] As a further scheme of the utility model,

[0031] The pressurizing assembly structure further comprises a first pressurizing switch valve.

[0032] The first pressurizing switch valve is arranged in the first pressurizing branch pipe.

[0033] As a further scheme of the utility model,

[0034] The valve control branch structure is provided with two groups, each of which comprises a delivery branch pipe and a flow control valve.

[0035] The two groups of flow control valves are arranged in the two groups of delivery branch pipes one by one.

[0036] As a further scheme of the utility model,

[0037] The branch switch valve, the first pressurizing branch pipe and the first pressurizing switch valve are provided with two groups, one end of the two groups of first pressurizing branch pipes is connected to the two groups of delivery branch pipes one by one, and the other end of the two groups of first pressurizing branch pipes is connected to the input end of the pressurizing pump body; the two groups of branch switch valves are arranged in the two groups of delivery branch pipes one by one, and the two groups of branch switch valves are arranged downstream of the two groups of first pressurizing branch pipes.

[0038] The two groups of first pressurizing switch valves are arranged in the two groups of first pressurizing branch pipes one by one.

[0039] The second pressurizing branch pipes and the second pressurizing switch valves are provided with two groups; one end of the two groups of second pressurizing branch pipes is connected to the output end of the pressurizing pump body, and the other end of the two groups of second pressurizing branch pipes is connected to the two groups of conveying branch pipes one by one; the other end of the two groups of second pressurizing branch pipes is located downstream of the two groups of branch switch valves one by one; the two groups of second pressurizing switch valves are connected to the two groups of second pressurizing branch pipes one by one.

[0040] A heat supply system comprising the heat supply pressurization regulation architecture based on a building unit.

[0041] The utility model has the advantages of:

[0042] The architecture and system can effectively complete the heat supply distribution function of the building unit by cooperating the pumping main path structure with the valve control branch path structure, and can simultaneously increase the pressure when increasing the flow of the branch path with high heat supply demand in the valve control branch path structure by using the pressurization assembly structure, so that the overall energy efficiency in the heat supply distribution process is effectively ensured, and the functional practicability of the heat supply terminal pressurization regulation architecture is improved. BRIEF DESCRIPTION OF DRAWINGS

[0043] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings needed in the embodiments or the prior art description will be briefly introduced below, and the structures, proportions, sizes, etc. shown in the description are only used to cooperate with the content disclosed in the description, so that those skilled in the art can understand and read. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0044] Figure 1 The overall structure schematic diagram of the heat supply pressurization regulation architecture based on a building unit is provided.

[0045] In the drawings, the component list represented by each reference numeral is as follows:

[0046] Pumping main path structure 1: variable frequency pump body 11, conveying main pipe 12;

[0047] Valve control branch path structure 2: conveying branch pipe 21, flow regulation valve 22;

[0048] Lifting pump body structure 3;

[0049] Pressurization assembly structure 4: branch switch valve 41, first pressurizing branch pipe 42, first pressurizing switch valve 43, pressurizing pump body 44, second pressurizing branch pipe 45, second pressurizing switch valve 46;

[0050] Heat supply terminal 5. DETAILED DESCRIPTION

[0051] The following will be described by specific embodiments to illustrate the embodiments of the present application, those skilled in the art can easily understand the other advantages and effects of the present application from the content disclosed in the specification. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0052] The terms such as "up", "down", "left", "right", "middle" and the like mentioned in the specification are only for the convenience of clear description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship without substantial change of the technical content is also regarded as the scope of the present application.

[0053] As shown in Figure 1 The embodiment of the present application provides a heat supply and pressure regulation architecture based on building unit and a heat supply system comprising the heat supply and pressure regulation architecture, wherein the heat supply and pressure regulation architecture comprises a pumping main path structure 1, a valve control branch path structure 2, a lifting pump body structure 3 and a pressure increasing component structure 4, so as to effectively complete the building unit heat supply distribution function by cooperation of the pumping main path structure 1 and the valve control branch path structure 2, and simultaneously increase the lifting pressure when increasing the flow corresponding to the branch path with high heat supply demand in the valve control branch path structure 2 by using the pressure increasing component structure 4, so as to effectively ensure the overall energy efficiency in the heat supply distribution process, and improve the functional practicability of the heat supply terminal pressure regulation architecture. The specific settings are as follows:

[0054] Please refer to Figure 1 The pumping main path structure 1 comprises a variable frequency pump body 11 and a conveying main pipeline 12, and the conveying main pipeline 12 is connected with the variable frequency pump body 11.

[0055] The valve control branch structure 2 is provided with two groups, each of which includes a delivery branch pipeline 21 and a flow control valve 22; wherein one end of each of the two groups of delivery branch pipelines 21 is connected to the delivery main pipeline 12, and each of the two groups of delivery branch pipelines 21 is connected to a plurality of groups of heating terminal 5; each of the two groups of flow control valves 22 is correspondingly connected to each of the two groups of delivery branch pipelines 21; to realize the effective completion of the heating valve control distribution function based on the delivery main pipeline 12 corresponding to the two groups of delivery branch pipelines 21, and at the same time, the flow controllable distribution of the two groups of delivery branch pipelines 21 can be realized by using the two groups of flow control valves 22, and in addition, the flow expansion distribution of the two groups of delivery branch pipelines 21 can be further realized by increasing the flow corresponding to the delivery main pipeline 12 by the variable frequency pump body 11.

[0056] The lifting pump body structure 3 is provided with two groups, each of which is correspondingly connected to the other end of each of the two groups of delivery branch pipelines 21, to further lift the delivery water body based on the building unit pipeline by the two groups of lifting pump body structures 3, and to ensure the overall heating energy efficiency.

[0057] The booster assembly structure 4 includes a branch switch valve 41, a first booster branch 42, a first booster switch valve 43, a booster pump body 44, a second booster branch 45, and a second booster switch valve 46; wherein the branch switch valve 41, the first booster branch 42, and the first booster switch valve 43 are provided with two groups; one end of each of the two groups of first booster branches 42 is correspondingly connected to each of the two groups of delivery branch pipelines 21, and the other end of each of the two groups of first booster branches 42 is connected to the input end of the booster pump body 44; each of the two groups of branch switch valves 41 is correspondingly connected to each of the two groups of delivery branch pipelines 21, and each of the two groups of branch switch valves 41 is located downstream of each of the two groups of first booster branches 42; each of the two groups of first booster switch valves 43 is correspondingly connected to each of the two groups of first booster branches 42; to realize the delivery end pressure boosting function by switching the water body flowing through the first booster branch 42 to the booster pump body 44 when one of the two groups of delivery branch pipelines 21 is high in heating demand, and by using the booster pump body 44 to effectively realize the delivery end pressure boosting function.

[0058] The second pressurizing branch pipes 45 and the second pressurizing switch valves 46 are both provided with two groups; one end of the two groups of the second pressurizing branch pipes 45 is respectively connected to the output end of the pressurizing pump body 44, and the other end of the two groups of the second pressurizing branch pipes 45 is respectively and correspondingly connected to the two groups of the conveying branch pipes 21, and the other end of the two groups of the second pressurizing branch pipes 45 is respectively and correspondingly located at the downstream of the two groups of the branch switch valves 41; the two groups of the second pressurizing switch valves 46 are respectively and correspondingly connected to the two groups of the second pressurizing branch pipes 45; so that the water body pressurized by the pressurizing pump body 44 can flow back to one group of the conveying branch pipes 21 and reach the lifting pump body structure 3.

[0059] Although the present application has been described in detail with general description and specific embodiments above, some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the present application, all belong to the scope of protection required by the present application.

Claims

1. A heating pressurization and control architecture based on building units, characterized in that, include: Pumping main road structure; The valve-controlled branch structure is connected to the pumping main structure and the heating terminal respectively. The pump body structure is connected to the valve-controlled branch structure, and the pump body structure and the main pumping line structure are kept at a predetermined height distance. The booster assembly structure has a controllable on / off input end and a controllable on / off output end, and the controllable on / off input end and the controllable on / off output end of the booster assembly structure are respectively connected to the upstream side of the valve-controlled branch structure corresponding to the heat supply and delivery of the booster pump body structure.

2. The heating pressurization and control architecture based on building units according to claim 1, characterized in that, The pumping main pipeline structure includes a variable frequency pump body and a main conveying pipeline; The main conveying pipeline is connected and assembled with the variable frequency pump body.

3. The heating pressurization and control architecture based on building units according to claim 2, characterized in that, The valve-controlled branch structure includes a delivery branch pipeline and a flow control valve; One end of the delivery branch pipeline is connected to the main delivery pipeline, and the delivery branch pipeline is connected to the heating terminal. The flow control valve is correspondingly connected and installed in the delivery branch pipeline.

4. The heating pressurization and control architecture based on building units according to claim 3, characterized in that, The booster assembly structure includes a branch switch valve; The branch switch valve is correspondingly connected to the conveying branch pipeline, and the branch switch valve is located between the controllable on / off input end and the controllable on / off output end of the pressurization assembly structure.

5. The heating pressurization and control architecture based on building units according to claim 4, characterized in that, The booster assembly structure also includes a booster manifold assembly and a booster pump body; The input and output ends of the booster pump body are respectively connected to the delivery branch pipeline via the booster branch assembly, and the output end of the booster pump body is equipped with a second booster switch valve.

6. The heating pressurization and control architecture based on building units according to claim 5, characterized in that, The booster manifold assembly includes a first booster manifold and a second booster manifold; The first booster branch pipe is connected to the delivery branch pipe and the input end of the booster pump body respectively, and the second booster branch pipe is connected to the output end of the booster pump body and the delivery branch pipe respectively. The branch switch valve is located between the first booster branch pipe and the second booster branch pipe; The second booster switch valve is correspondingly connected and installed on the second booster branch pipe.

7. The heating pressurization and control architecture based on building units according to claim 6, characterized in that, The booster assembly structure also includes a first booster switching valve; The first booster switch valve is correspondingly connected and installed on the first booster branch pipe.

8. The heating pressurization and control architecture based on building units according to claim 7, characterized in that, The valve-controlled branch structure is provided in two sets. Each set of the valve-controlled branch structure includes a delivery branch pipeline and a flow control valve. One end of each of the two sets of delivery branch pipelines is connected to the main delivery pipeline, and each of the two sets of delivery branch pipelines is connected to the heating terminal. The two sets of flow control valves are respectively connected and installed in the two sets of delivery branch pipelines.

9. The heating pressurization and control architecture based on building units according to claim 8, characterized in that, The branch switch valve, the first booster pipe, and the first booster switch valve are all provided in two sets. One end of each set of the first booster pipes is connected to one of the two sets of the delivery branch pipes, and the other end of each set of the first booster pipes is connected to the input end of the booster pump body. The two sets of branch switch valves are connected to one of the two sets of the delivery branch pipes, and the two sets of branch switch valves are located downstream of each of the two sets of the first booster pipes. The two sets of the first booster switch valves are respectively connected to the two sets of the first booster branch pipes; The second booster branch pipe and the second booster switch valve are each provided in two sets; one end of each set of the second booster branch pipes is connected to the output end of the booster pump body, and the other end of each set of the second booster branch pipes is connected to each of the two sets of the delivery branch pipes in a one-to-one correspondence; the other end of each set of the second booster branch pipes is located downstream of each of the two sets of the branch switch valves in a one-to-one correspondence; the two sets of the second booster switch valves are respectively connected and installed on each of the two sets of the second booster branch pipes in a one-to-one correspondence.

10. A heating system, characterized in that, Including the building unit-based heating pressurization control architecture as described in any one of claims 1-9.

Images