CN206545923U - Waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde - Google Patents
Waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde Download PDFInfo
- Publication number
- CN206545923U CN206545923U CN201720169214.0U CN201720169214U CN206545923U CN 206545923 U CN206545923 U CN 206545923U CN 201720169214 U CN201720169214 U CN 201720169214U CN 206545923 U CN206545923 U CN 206545923U
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- China
- Prior art keywords
- steam
- hot water
- waste heat
- tox
- comprehensive utilization
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model belongs to waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde, and the waste heat of hot water cyclesystem, by steam raising plant by converting heat into steam, supplies methanol distillation column and metaformaldehyde in the main production using polyformaldehyde（Hereinafter referred to as TOX）The reboiler of concentration tower, residual steam feeding steam pipe system or other users.By reclaiming the waste heat for generating steam in process of producing polyformaldehyde, then on the spot, conversion is used the utility model, can reduce production consumption, improve the utilization rate of the energy, it is small with cost of investment, maintenance cost is low, it is simple to operate the characteristics of, considerable economic benefit can be brought for enterprise.
Description
Technical field
The utility model belongs to residual heat integrative and utilizes field, residual heat integrative in more particularly to a kind of process of producing polyformaldehyde
Utilize system.
Background technology
It is hot water cyclesystem flow chart, the hot water temperature come out from hot-water cylinder in existing polyformaldehyde production as shown in Figure 1：
92 DEG C, flow 1050m3/h, after being pressurizeed through hot water circulating pump, hot water, to 80 DEG C, is divided by the circulating water cooling of hot water cooler
Not Jin Ru TOX reactor heads condenser, TOX condensers and other waste heat apparatus be again heated to 92 DEG C and return to hot-water cylinder and followed
Ring.
As can be seen that the heat in hot water cyclesystem is taken away by hot water cooler, it is necessary to consume from above-mentioned flow
Waste heat in substantial amounts of recirculated water, system is not also comprehensively utilized.
Meanwhile, need to consume substantial amounts of steam, therefore reduction steam consumption in process of producing polyformaldehyde, as polyformaldehyde
Manufacturing enterprise's energy-saving and emission-reduction, reduce the important means of production cost.
The content of the invention
The purpose of the present invention, which is that to overcome, circulates water consumption greatly in polyformaldehyde running, waste heat does not make full use of
Defect, and propose waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde, can be cost-effective for enterprise, reduction is steamed
Vapour is consumed, and mitigates environmental protection pressure.
The technical scheme that the utility model is used is：The described hot water come out from hot-water cylinder is followed by pipeline with hot water
Ring pump intake be connected, hot water circuit pump discharge is connected with hot water cooler and manual valve inlet respectively, hot water cooler outlet and
Regulating valve is connected, and hand-operated valve outlet line is connected to after regulating valve valve, is condensed respectively with TOX reactor heads after two bursts of hot water mixing
Device, TOX condensers, other waste heat apparatus entrances are connected, and go out TOX reactor heads condenser, TOX condensers, other waste heats dress
The hot water put is connected with steam raising plant hot water inlet, and steam raising plant hot water outlet enters the top of hot-water cylinder, steam
The steam part that generating means is produced is connected with methanol distillation column reboiler and TOX concentration tower reboiler entrances, remainder
Steam enters other steam user, and the lime set come out from methanol distillation column reboiler and TOX concentration tower reboilers is solidifying into steam
Liquid pipe net.
Under normal operating conditions, the hand-operated valve standard-sized sheet of hot water cooler by-pass line, the regulation of hot water cooler outlet
Valve is fully closed, by adjusting the spatial load forecasting hot water circulating pump outlet temperature of steam raising plant at 80 DEG C, if steam raising plant
Temperature still can drop at full capacity, considers further that the stable hot water temperature of regulating valve for opening hot water cooler outlet.
In a preferred embodiment of the present utility model, hot water cooler outlet line is provided with regulating valve, Ke Yi
In the case of operating mode fluctuation of service, stablize hot water circulating pump outlet temperature by regulating valve.
In a preferred embodiment of the present utility model, in order to reclaim the waste heat of hot-water heating system, enter at the top of hot-water cylinder
Mouth pipeline sets steam raising plant.
In a preferred embodiment of the present utility model, in order to expand the scope of application of system, steam raising plant production
Raw steam is connected with other steam user, and described other steam user can be in 0.1-0.8Mpa using steam pressure
User.
The beneficial effects of the invention are as follows：After adopting the above technical scheme, hot water in polyformaldehyde production can be reclaimed effectively
The waste heat of the circulatory system, converts it into steam, and supply needs the user heated to use, maintenance cost small with cost of investment
Low, simple to operate the features such as, the consumption of recirculated water and steam can be reduced for enterprise, production cost is saved, being brought to enterprise can
The economic benefit of sight.
Brief description of the drawings
Fig. 1 is hot water cyclesystem flow chart in existing polyformaldehyde production；
Fig. 2 is the utility model structural representation.
Brief description of the drawings：1 it is hot-water cylinder, 2 be hot water circulating pump, 3 be hot water cooler, 4 be regulating valve, 5 is hand-operated valve, 6
For TOX reactor heads condenser, 7 be TOX condensers, 8 be other waste heat apparatus, 9 be steam raising plant, 10 be methanol return
Receipts tower reboiler, 11 are TOX concentration tower reboilers.
Embodiment
Detailed, perfect description is carried out to embodiment of the present utility model below in conjunction with accompanying drawing, so that the utility model
Advantages and features can be easier to be readily appreciated by one skilled in the art, so as to make more clear to protection domain of the present utility model
Chu clearly defines.
Waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde as shown in Figure 2, including described come out from hot-water cylinder 1
Hot water by pipeline enter hot water circulating pump 2, hot water circulating pump 2 export respectively with hot water cooler 3 and the entrance phase of hand-operated valve 5
Even, the outlet of hot water cooler 3 is connected with regulating valve 4, and the by-pass line of hot water cooler 3 is provided with hand-operated valve 5, and hand-operated valve 5 goes out
Mouthful pipeline is connected to after the valve of regulating valve 4, after two bursts of hot water mixing, respectively enter TOX reactor heads condenser 6, TOX condensers 7,
It is connected after the heating of other waste heat apparatus 8 with the hot water inlet of steam raising plant 9, the hot water outlet of steam raising plant 9 enters hot water
The top of tank 1, a steam part and methanol distillation column reboiler 10 and TOX concentration tower reboilers that steam raising plant 9 is produced
11 entrances are connected, and remainder steam enters other steam user, from methanol distillation column reboiler 10 and TOX concentration tower reboilers
11 lime set out enters steam condensate pipe network.
Specific embodiment of the utility model：By taking the practical application of certain enterprise as an example, the hot water temperature come out from hot-water cylinder
Degree：80 DEG C, flow 1050m3/h, after being forced into 0.7Mpa through hot water circulating pump, hot water all passes through the bypass of hot water cooler
Pipeline, regulating valve is fully closed, bypasses hand-operated valve standard-sized sheet, and hot water respectively enters TOX with 690m3/h, 210m3/h, 150m3/h flow
Reactor head condenser, TOX condensers and other waste heat apparatus are heated to 92 DEG C, enter back into steam raising plant and are cooled to 80
DEG C coming back to hot-water cylinder is circulated.So, the heat that steam raising plant is obtained is 52.92 × 106KJ, sends out through steam
Generating apparatus can produce 0.4Mpa, and 152 DEG C of steam 9.21t/h, methanol distillation column reboiler and TOX concentration tower reboilers are normal
In the case of be respectively necessary for 1.4 t/h, 6.1 t/h, remaining 1.71 t/h enters other steam user.
Under normal operating conditions, the hand-operated valve standard-sized sheet of hot water cooler by-pass line, the regulation of hot water cooler outlet
Valve is fully closed, by adjusting the spatial load forecasting hot water circulating pump outlet temperature of steam raising plant at 80 DEG C, if steam raising plant
Temperature still can drop at full capacity, considers further that the stable hot water temperature of regulating valve for opening hot water cooler outlet, so can be with
Recovery heat as much as possible, it is ensured that system can play the economic benefit of maximum.
It is emphasized that：Embodiment of the present utility model is the foregoing is only, this practicality is not limited to new
The scope of the claims of type, any modifications, equivalent substitutions and improvements that every utilization the utility model specification and accompanying drawing content are made,
Other correlative technology fields are directly or indirectly used in, are similarly included in scope of patent protection of the present utility model.
Claims (6)
1. waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde, it is characterised in that：Including from hot-water cylinder（1）Heat out
Water passes through pipeline and hot water circulating pump（2）Entrance is connected, hot water circulating pump（2）Outlet respectively with hot water cooler（3）With it is manual
Valve（5）Entrance is connected, hot water cooler（3）Outlet and regulating valve（4）It is connected, hand-operated valve（5）Outlet line is connected to regulating valve（4）
After valve, after the mixing of two strands of hot water respectively with TOX reactor head condensers（6）, TOX condensers（7）, other waste heat apparatus（8）
Entrance is connected, and goes out TOX reactor head condensers（6）, TOX condensers（7）, other waste heat apparatus（8）Hot water and steam send out
Generating apparatus（9）Entrance is connected, steam raising plant（9）Hot water outlet and hot-water cylinder（1）Top inlet is connected, steam raising plant
(9) a steam part and the methanol distillation column reboiler produced（10）With TOX concentration tower reboilers（11）Entrance is connected, remainder
Steam is divided to be connected with other steam user, from methanol distillation column reboiler（10）With TOX concentration tower reboilers（11）Out solidifying
Liquid enters steam condensate pipe network.
2. waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde according to claim 1, it is characterised in that：It is described
Hot water cooler（3）Outlet line is provided with regulating valve（4）.
3. waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde according to claim 1, it is characterised in that：It is described
Hot water cooler（3）It is provided with bypass, by-pass line and is connected with hand-operated valve（5）, hand-operated valve（5）Outlet line is connected to regulation
Valve（4）After valve.
4. waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde according to claim 1, it is characterised in that：It is described
Hot-water cylinder（1）Top inlet pipeline is connected with steam raising plant（9）, by TOX reactor head condensers（6）, TOX condensation
Device（7）, other waste heat apparatus（8）The hot water and steam raising plant of outlet（9）Hot water inlet is connected.
5. waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde according to claim 1, it is characterised in that：It is described
Steam raising plant（9）The steam of generation and methanol distillation column reboiler（10）With TOX concentration tower reboilers（11）Entrance phase
Even, outlet lime set enters steam condensate pipe network.
6. waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde according to claim 1, it is characterised in that：It is described
Steam raising plant（9）The steam of generation is connected with other steam user, and described other steam user can be using steaming
Steam pressure 0.1-0.8Mpa user or be directly entered steam pipe system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720169214.0U CN206545923U (en) | 2017-02-24 | 2017-02-24 | Waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720169214.0U CN206545923U (en) | 2017-02-24 | 2017-02-24 | Waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206545923U true CN206545923U (en) | 2017-10-10 |
Family
ID=59995043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720169214.0U Withdrawn - After Issue CN206545923U (en) | 2017-02-24 | 2017-02-24 | Waste heat comprehensive utilization system in a kind of process of producing polyformaldehyde |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206545923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678764A (en) * | 2017-02-24 | 2017-05-17 | 查都（上海）科技有限公司 | Comprehensive waste heat utilization system in polyformaldehyde production process |
-
2017
- 2017-02-24 CN CN201720169214.0U patent/CN206545923U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678764A (en) * | 2017-02-24 | 2017-05-17 | 查都（上海）科技有限公司 | Comprehensive waste heat utilization system in polyformaldehyde production process |
| CN106678764B (en) * | 2017-02-24 | 2022-09-09 | 查都(海南)科技有限公司 | Waste heat comprehensive utilization system in polyformaldehyde production process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 570000 No. a5002-323, A1 area, Fuxing City, 32 Binhai Avenue, Longhua District, Haikou City, Hainan Province Patentee after: Chadu (Hainan) Technology Co.,Ltd. Address before: Part 541, 5A / F, building B, 155 Fute West 1st Road, Shanghai pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Patentee before: CHADU (SHANGHAI) TECHNOLOGY Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171010 Effective date of abandoning: 20220909 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171010 Effective date of abandoning: 20220909 |